82 results on '"Mainbourg S"'
Search Results
2. Twice- or Once-Daily Dosing of Direct Oral Anticoagulants, a systematic review and meta-analysis
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Mainbourg, S., Cucherat, M., Provencher, S., Bertoletti, L., Nony, P., Gueyffier, F., Mismetti, P., Grange, C., Durieu, I., Kilo, R., Laporte, S., Grenet, G., and Lega, J.-C.
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- 2021
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3. Dosage de la tryptase : un guide d'utilisation pour le clinicien
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Lobbes, H., Reynaud, Q., Mainbourg, S., Lega, J.C., Durieu, I., and Durupt, S.
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- 2020
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4. L'acéruléoplasminémie héréditaire, une pathologie à ne pas méconnaître
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Lobbes, H., Reynaud, Q., Mainbourg, S., Lega, J-C., Durieu, I., and Durupt, S.
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- 2020
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5. Existe t’il un effet synergique anti-cancéreux entre le denosumab et les inhibiteurs de checkpoint immunitaire (ICI) ? Une étude rétrospective de 268 patients métastatiques osseux traités par ICI
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Mabrut, E., primary, Mainbourg, S., additional, Peron, J., additional, Maillet, D., additional, Dalle, S., additional, Souquet, P.J., additional, Confavreux, C., additional, and Massy, E., additional
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- 2023
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6. POS0180 ACR20 RESPONSE AS SURROGATE OF ACR70 RESPONSE IN RHEUMATOID ARTHRITIS: A TRIAL-LEVEL ANALYSIS FROM A SYSTEMATIC REVIEW OF RANDOMIZED TRIALS
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Ah Koon, A., primary, Confavreux, C., additional, Grenet, G., additional, Mainbourg, S., additional, Larbre, J. P., additional, Coury, F., additional, Lega, J. C., additional, and Massy, E., additional
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- 2023
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7. Effets cliniquement pertinents du mépolizumab et du benralizumab dans l’asthme associé à une EGPA
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Desaintjean, C., primary, Nasser, M., additional, Ahmad, K., additional, Traclet, J., additional, Turquier, S., additional, Glérant, J.C., additional, Mainbourg, S., additional, Hot, A., additional, Devouassoux, G., additional, and Cottin, V., additional
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- 2023
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8. La réponse ACR20 comme critère de substitution de la réponse ACR70 dans la polyarthrite rhumatoïde : analyse par métarégression
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Ah-Koon, A., primary, Confavreux, C., additional, Grenet, G., additional, Mainbourg, S., additional, Larbre, J.P., additional, Coury, F., additional, Lega, J.C., additional, and Massy, E., additional
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- 2022
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9. P064 Iron deficiency in cystic fibrosis: a prospective study in a modern adult cohort
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Lobbes, H., primary, Durupt, S., additional, Pereira, B., additional, Mainbourg, S., additional, Nove-Josserand, R., additional, Durieu, I., additional, and Reynaud, Q., additional
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- 2022
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10. Impact of the COVID-19 pandemic on maternal mental health during pregnancy: The CONCEPTION study – Phase I
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Berard, A., primary, Lacasse, A., additional, Gomez, Y.-H., additional, Gorgui, J., additional, Côté, S., additional, King, S., additional, Tchuente, V., additional, Muanda, F., additional, Lumu, Y., additional, Boucoiran, I., additional, Nuyt, A.-M., additional, Quach, C., additional, Ferreira, E., additional, Kaul, P., additional, Winquist, B., additional, O’Donnell, K., additional, Eltonsy, S., additional, Château, D., additional, Zhao, J.-P., additional, Hanley, G., additional, Oberlander, T., additional, Kassai, B., additional, Mainbourg, S., additional, Bernatsky, S., additional, Vinet, É., additional, Brodeur-Doucet, A., additional, Demers, J., additional, Richebé, P., additional, Zaphiratos, V., additional, Wang, C., additional, and Wang, X., additional
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- 2022
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11. Valeur pronostique de la TEP-TDM au diagnostic et lors du suivi au cours de l’artérite à cellules géantes
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Billet, A.C., primary, Durand-Bailloud, B., additional, Liozon, E., additional, De Boysson, H., additional, Pérard, L., additional, Daumas, A., additional, Durel, C.A., additional, Bienvenu, B., additional, Humbert, S., additional, Bachmeyer, C., additional, Mainbourg, S., additional, Sené, T., additional, Alberini, J.L., additional, Bonnotte, B., additional, and Samson, M., additional
- Published
- 2021
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12. Hyperferritinémies extrêmes : un nombre limité de causes et un mauvais pronostic
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Fauter, M., primary, Mainbourg, S., additional, El Jammal, T., additional, Zaepfel, S., additional, Henry, T., additional, Gerfaud-Valentin, M., additional, Sève, P., additional, and Jamilloux, Y., additional
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- 2021
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13. Efficacité des infiltrations intra-articulaires de plasma riche en plaquettes comparé au placebo dans la gonarthrose : revue systématique de la littérature et méta-analyse
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Debionne, T., Auroux, M., Mainbourg, S., and Chapurlat, R.
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- 2023
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14. Impact of the COVID-19 Pandemic on Maternal Mental Health During Pregnancy: The CONCEPTION Study – Phase I
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Tim F. Oberlander, Hanley G, Gomez Y, King S, Kaul P, Mainbourg S, Richebé P, Lumu Ym, Winquist B, O'Donnell Kj, Xiangxiang Wang, J. Zhao, Demers J, Evelyne Vinet, Zaphiratos, Tchuente, Anaïs Lacasse, Stéphanie Côté, Sasha Bernatsky, Anne Monique Nuyt, Eltonsy S, Boucoiran I, Caroline Quach, Chongjian Wang, Kassai B, Jessica Gorgui, Muanda F, Brodeur-Doucet A, Chateau D, Ema Ferreira, and Anick Bérard
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Pregnancy ,business.industry ,Prenatal care ,medicine.disease ,Mental health ,Psychiatry and Mental health ,Health care ,Cohort ,medicine ,Anxiety ,medicine.symptom ,business ,Depression (differential diagnoses) ,Perinatal Depression ,Demography - Abstract
Introduction Mental health regional differences during pregnancy through the COVID-19 pandemic is understudied. Objectives We aimed to quantify the impact of the COVID-19 pandemic on maternal mental health during pregnancy. Methods A cohort study with a web-based recruitment strategy and electronic data collection was initiated in 06/2020. Although Canadian women, >18 years were primarily targeted, pregnant women worldwide were eligible. The current analysis includes data on women enrolled 06/2020-11/2020. Self-reported data included mental health measures (Edinburgh Perinatal Depression Scale (EPDS), Generalized Anxiety Disorders (GAD-7)), stress. We compared maternal mental health stratifying on country/continents of residence, and identified determinants of mental health using multivariable regression models. Results Of 2,109 pregnant women recruited, 1,932 were from Canada, 48 the United States (US), 73 Europe, 35 Africa, and 21 Asia/Oceania. Mean depressive symptom scores were lower in Canada (EPDS 8.2, SD 5.2) compared to the US (EPDS 10.5, SD 4.8) and Europe (EPDS 10.4, SD 6.5) (p Conclusions In this first international study on the impact of the COVID-19 pandemic, CONCEPTION has shown significant country/continent-specific variations in depressive symptoms during pregnancy, whereas severe anxiety was similar regardless of place of residence. Strategies are needed to reduce COVID-19’s mental health burden in pregnancy. Disclosure No significant relationships.
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- 2021
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15. Effets indésirables des inhibiteurs de checkpoint dans le mélanome : un marqueur d’efficacité ?
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Euvrard, R., primary, Robert, M., additional, Dalle, S., additional, Mainbourg, S., additional, Grenet, G., additional, Durieu, I., additional, Cucherat, M., additional, and Lega, J.C., additional
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- 2021
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16. Cryoglobulinémie à IgA : prévalence et signification clinique
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Lekieffre, M., primary, Mainbourg, S., additional, Dumortier, J., additional, Hot, A., additional, Sève, P., additional, Durieu, I., additional, Zoulim, F., additional, Miossec, P., additional, Perard, L., additional, Kollop-Sarda, M.N., additional, and Lega, J.C., additional
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- 2020
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17. Maintien de la rémission dans l’artérite à cellules géantes : comparaison indirecte des agents épargnant la corticothérapie par une revue systématique et une méta-analyse en réseau
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Mainbourg, S., primary, Tabary, A., additional, Cucherat, M., additional, Gueyffier, F., additional, Grenet, G., additional, Durieu, I., additional, Samson, M., additional, and Lega, J.C., additional
- Published
- 2020
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18. Classification des populations humaines dans les essais cliniques randomisés : une revue systématique
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Galland, L., primary, Gombault, C., additional, Khalaf, G., additional, Koudri, M., additional, Grenet, G., additional, Cucherat, M., additional, Kassai, B., additional, Cathébras, P., additional, Duret, L., additional, Lemaitre, J.F., additional, Mainbourg, S., additional, and Lega, J.C., additional
- Published
- 2020
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19. FRI0460 SAFETY OF BIOLOGICAL AGENTS IN JUVENILE IDIOPATHIC ARTHRITIS: A META-ANALYSIS OF OBSERVATIONAL STUDIES
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Cabrera, N., primary, Avila, G., additional, Belot, A., additional, Larbre, J. P., additional, Cattivelli, G., additional, Paredes, E., additional, Kassai, B., additional, Euvrard, R., additional, Grenet, G., additional, Berard, A., additional, Mainbourg, S., additional, and Lega, J. C., additional
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- 2020
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20. ACR20 RESPONSE AS SURROGATE OF ACR70 RESPONSE IN RHEUMATOID ARTHRITIS: A TRIALLEVEL ANALYSIS FROM A SYSTEMATIC REVIEW OF RANDOMIZED TRIALS.
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Ah Koon, A., Confavreux, C., Grenet, G., Mainbourg, S., Larbre, J. P., Coury, F., Lega, J. C., and Massy, E.
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- 2023
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21. Trends in medications for autoimmune disorders during pregnancy and factors for their discontinuation: a population-based study.
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Mainbourg S, Sheehy O, Gorgui J, Vinet E, and Bérard A
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- Humans, Female, Adult, Pregnancy Complications, Quebec, Cohort Studies, Medication Adherence, Maternal Age, Autoimmune Diseases drug therapy, Immunosuppressive Agents therapeutic use, Immunologic Factors therapeutic use, Biological Products therapeutic use
- Abstract
Objectives: The medications used for autoimmune diseases have significantly evolved in recent years, but there is limited knowledge about how treatment practices changed during pregnancy. This study aimed to describe the temporal trends of immunosuppressants, immunomodulators and biologics use during pregnancy among women with autoimmune diseases, compare their use before, during, and after pregnancy, and identify factors predicting the discontinuation of these medications during pregnancy., Methods: Using data from the Quebec Pregnancy Cohort (1998-2015), which included women under the RAMQ prescription drug plan for at least 12 months before and after pregnancy, the analysis focused on those with at least one International Classification of Diseases Ninth or Tenth Revision code in the year before pregnancy for inflammatory bowel disease, rheumatoid arthritis, spondylarthropathies, connective tissue diseases, systemic lupus erythematosus, or vasculitis. Exposure to immunosuppressants, immunomodulators and biologics were evaluated before and during the pregnancy. Discontinuation during pregnancy was defined as having no prescriptions filled during pregnancy or overlapping with the first day of gestation (1DG), given that at least one prescription was filled in the year prior to pregnancy. Generalized estimating equations were applied to estimate adjusted odds ratios (aOR) for predicting medication discontinuation during pregnancy., Results: Among 441,570 pregnant women, 3,285 had autoimmune diseases. From 1998 to 2014, the use of immunomodulators increased from 3.7% to 11.9%, immunosuppressants from 4.1% to 13.7%, and biologics from 0% to 15.6%. During pregnancy, compared to before, there was a significant decrease in exposure to immunomodulators (8.6% to 5.4%), immunosuppressants (14.2% to 8.7%), and biologics (5.1% to 4.7%). Factors influencing discontinuation varied by medication type; for immunosuppressants, prior biologics use (aOR = 2.12, 95%CI 1.16-3.85) and the year of pregnancy (aOR = 0.93, 95%CI 0.89-0.98) were key factors, while for biologics, it was only the year of pregnancy (aOR = 0.68, 95%CI 0.54-0.86)., Conclusions: The use of immunomodulators, immunosuppressants, and biologics has increased over time. However, exposure during pregnancy decreased, with recent years showing a lower rate of discontinuation. Understanding the factors influencing medication discontinuation during pregnancy can improve management strategies for women with autoimmune diseases., Competing Interests: Declarations Consent for publication Not applicable. Ethics approval and consent to participate The study was approved by the Sainte-Justine’s Hospital Ethics Committee. The Quebec “Commission d’accès à l’information” authorized database linkages. All data were fully anonymized before we accessed them, and the Ethics Committee of CHU Sainte-Justine as well as the ‘Commission d’accès à l’information’ waived the requirement for informed consent. All methods were performed in accordance with the relevant guidelines and regulations (Declaration of Helsinki). Competing interests The authors declare no competing interests., (© 2024. The Author(s).)
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- 2024
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22. Retraction notice to 'Deaths induced by compassionate use of hydroxychloroquine during the first COVID-19 wave: an estimate' [Biomedicine & Pharmacotherapy, Volume 171 (2024) 116055].
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Pradelle A, Mainbourg S, Provencher S, Massy E, Grenet G, and Lega JC
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- 2024
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23. Prognostic value of 18 FDG-PET at diagnosis and follow-up in giant cell arteritis: An observational restrospective study.
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Billet AC, Thibault T, Liozon É, De Boysson H, Perard L, Espitia O, Daumas A, De Pinho QG, Durel CA, Hot A, Bienvenu B, Humbert S, Bachmeyer C, Mainbourg S, Sené T, Devilliers H, Bailloud BD, Greigert H, Cochet A, Bonnotte B, Alberini JL, and Samson M
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- Humans, Female, Male, Retrospective Studies, Aged, Prognosis, Middle Aged, Aged, 80 and over, Follow-Up Studies, France, ROC Curve, Predictive Value of Tests, Area Under Curve, Giant Cell Arteritis diagnostic imaging, Fluorodeoxyglucose F18, Positron Emission Tomography Computed Tomography, Radiopharmaceuticals, Recurrence
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Objectives: To evaluate the ability of
18 FDG PET/CT, at diagnosis of giant cell arteritis (GCA) and during follow-up, to predict occurrence of relapse in large-vessel GCA (LV-GCA)., Methods: We conducted a retrospective study using the French Study Group for Large-Vessel Vasculitis (GEFA) network. Data from patients with LV-GCA diagnosed by PET/CT and who had PET/CT in the following year were collected. For each PET/CT, PET vascular activity score (PETVAS) and total vascular score (TVS) were assessed, and their ability to predict the occurrence of subsequent relapse was assessed., Results: A total of 65 LV-GCA patients were included, of whom 55 had undergone a follow-up PET/CT 3 to 12 months after the diagnosis of GCA. Patients for whom the second PET/CT (PET2) was performed during active GCA were excluded. PETVAS and TVS decreased between PET1 and PET2 in all patients (p < 0.001). There was no correlation between vascular activity scores in PET2 and time to prednisone taper. For relapse prediction, at PET1, the AUC of the TVS and PETVAS were respectively 51.9 and 41.9 at 6 months, 55.3 and 49.7 at 1 year, 55 and 55.7 at 2 years. For PET2, the AUC were respectively 46.1 and 46.7 at 6 months, 52.1 and 48.9 at 1 year, 58.4 and 52.3 at 2 years., Conclusion: PET vascular activity scores at diagnosis and at follow-up PET/CT performed outside a period of GCA activity do not display high performance to predict the occurrence of subsequent relapse in LV-GCA patients., Competing Interests: Disclosures Maxime Samson: Argenx (consulting), Boerhinger Ingelheim (consulting), Chugai (consulting), CSL Vifor (consulting), Fresenius Kabi (consulting), GSK (consulting), Novartis (consulting and research grant), (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)- Published
- 2024
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24. A revisited version of the disputatio for pharmacological training: An educational study.
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Carton L, Bordy R, Totoson P, Laforgue EJ, Pelerin JM, Portier-Feunteun T, Mainbourg S, Deplanque D, Zimmer L, Laporte S, Bordet R, Grenet G, and Legeay S
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- Humans, Surveys and Questionnaires, Male, Female, Adult, France, Pharmacology education
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Objective: The disputatio is a pedagogical method existing since the Middle-Ages where students had to debate about a question asked by a "master", exercising their thinking and oratory skills. To move away from traditional vertical teaching methods, the disputatio has been revived by pharmacologists. Thus, for almost three successive years, several groups of young French pharmacologists and therapists confronted their ideas concerning a medical question at a therapeutic impasse. The aim here is to describe the initial feedback received from participants., Methods: An anonymous questionnaire was sent by email in May 2023 to the participants of the different disputationes of 2019, 2022 and 2023. Participants were asked about different aspects of their feelings before, during and after the disputatio, using the 5-point Likert scale. They were also asked to describe the event in 2 to 5 words. Finally, participants could leave their comments in a free-field and were asked to give an overall satisfaction score out of 10., Results: Out of the 39 participants, 27 (69.2%) answered the questionnaire. Although 50% of respondents reported a feeling of anxiety before participating, most enjoyed the expert talks as well as working with people they did not know. Besides, over 66% reported having underestimated the skills they could share with colleagues from different backgrounds. Over 55% of respondents reported progress in methodology, and over 83% in pharmacology and/or therapeutics. Participants reported an overall satisfaction score of 8.6/10, and the main terms used to describe the event were "sharing", "enriching" and "meeting"., Conclusion: The disputatio is an innovative training program whose pedagogical and human values were underlined by most of the participants. Beyond pharmacology and therapeutics, the principle of disputatio could be extended to other disciplines, spanning the centuries., (Copyright © 2023 Société française de pharmacologie et de thérapeutique. Published by Elsevier Masson SAS. All rights reserved.)
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- 2024
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25. Association between immune-related adverse events and prognosis in patients treated with immune checkpoint inhibitors in melanoma: A surrogacy analysis.
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Euvrard R, Robert M, Mainbourg S, Dalle S, and Lega JC
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- Humans, Middle Aged, Nivolumab adverse effects, Ipilimumab adverse effects, Immune Checkpoint Inhibitors adverse effects, Prognosis, Retrospective Studies, Melanoma drug therapy
- Abstract
Background: Immune checkpoint inhibitors (ICI) represent a breakthrough in oncology in terms of prognosis and safety. They now constitute a cornerstone in the management of metastatic melanoma. However, a new kind of adverse event called immune-related adverse events (irAE) has emerged. These irAE could be conceptually considered as an indicator of the antitumoral immune response, but the association between irAE and prognosis is still a matter of debate., Objective: The purpose of this study was to investigate the association between the overall survival (OS) and the prevalence of irAE in melanoma., Methods: MEDLINE/PubMed, WebofScience, ClinicalTrials, and WHOTrials databases were searched to identify phase 3 randomized controlled trials (RCT) assessing ICI in melanoma and published up to April 2021. A weighted regression was performed to estimate this association according to standard method of surrogacy analysis., Results: A total of 14 RCT including 7646 patients (median age: 59.3 years) with melanoma were included. All types of ICI were represented (ipilimumab, tremelimumab, pembrolizumab, nivolumab, atezolizumab, as well as ipilimumab and nivolumab combination). irAE were frequent but rarely fatal. The combination of ICI caused more irAE than anti-PD1 (or PDL1) and anti-CTLA4 monotherapies. No relationship was found between the occurrence of irAE and OS (beta coefficient 0.078, R
2 3%, p = 0.52), nor between cutaneous irAE and OS (beta coefficient 0.080, R2 6%, p = 0.33)., Conclusion: Although limited by the heterogeneity of ICI included in the regression and the low number of included RCT, the present study suggests an absence of association between irAE and prognosis in melanoma., (© 2023 The Authors. Fundamental & Clinical Pharmacology published by John Wiley & Sons Ltd on behalf of Société Française de Pharmacologie et de Thérapeutique.)- Published
- 2024
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26. Mepolizumab and benralizumab in patients with severe asthma and a history of eosinophilic granulomatosis with polyangiitis.
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Desaintjean C, Ahmad K, Traclet J, Gerfaud-Valentin M, Durel CA, Glerant JC, Hot A, Lestelle F, Mainbourg S, Nasser M, Seve P, Turquier S, Devouassoux G, and Cottin V
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Introduction: Asthma associated with eosinophilic granulomatosis with polyangiitis (EGPA) is often severe and corticosteroid-dependent, leading to significant morbidity. Mepolizumab and benralizumab are humanized monoclonal antibodies targeting interleukin 5 (IL-5) and its receptor, respectively. They have been shown to be effective in steroid-sparing in patients with severe eosinophilic asthma., Objective: Our aim was to evaluate the efficacy and safety of mepolizumab and benralizumab prescribed for severe asthma in patients with EGPA under "real-world" conditions., Methods: This was a retrospective analysis of patients with EGPA and persistent asthma who received either mepolizumab 100 or 300 mg administered every 4 weeks, or benralizumab 30 mg administered every 4 weeks for the initial 3 injections and followed by an injection every 8 weeks thereafter, whilst combined with oral glucocorticoids. The follow-up every 6 ± 3 months included an assessment of clinical manifestations, pulmonary function tests and eosinophil cell count. The primary outcome was the proportion of patients at 12 months receiving a daily oral dose of prednisone or equivalent of 4 mg or less with a BVAS of 0., Results: Twenty-six patients were included. After 12 months of treatment with mepolizumab or benralizumab, 32% of patients met the primary outcome and were receiving less than 4 mg of prednisone per day with a BVAS of 0. The median dose of prednisone was 10 mg per day at baseline, 9 mg at 6 months, and 5 mg at 12 months ( p ≤ 0.01). At 12 months, 23% of patients were weaned off corticosteroids, while an increase or no change in dose was observed in 27% of patients. The median eosinophil count was significantly reduced from 365 cells/mm
3 to 55 cells/mm3 at 6 months and 70 cells/mm3 at 12 months, respectively. No significant change was observed in FEV1. After 12 months of treatment, 14% of patients had had an average of 1 exacerbation of asthma, compared with 52% of patients before baseline. The tolerability profile was favorable., Conclusion: In this real-world study in patients with severe asthma and a history of EGPA asthma, mepolizumab and benralizumab had a significant steroid-sparing effect and reduced asthma exacerbation, but no significant effect on lung function., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Desaintjean, Ahmad, Traclet, Gerfaud-Valentin, Durel, Glerant, Hot, Lestelle, Mainbourg, Nasser, Seve, Turquier, Devouassoux and Cottin.)- Published
- 2024
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27. Deaths induced by compassionate use of hydroxychloroquine during the first COVID-19 wave: an estimate.
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Pradelle A, Mainbourg S, Provencher S, Massy E, Grenet G, and Lega JC
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- Humans, Compassionate Use Trials, COVID-19 mortality, COVID-19 epidemiology, SARS-CoV-2, Hydroxychloroquine therapeutic use, Hydroxychloroquine adverse effects, COVID-19 Drug Treatment, Hospital Mortality
- Abstract
Background: During the first wave of COVID-19, hydroxychloroquine (HCQ) was used off-label despite the absence of evidence documenting its clinical benefits. Since then, a meta-analysis of randomised trials showed that HCQ use was associated with an 11% increase in the mortality rate. We aimed to estimate the number of HCQ-related deaths worldwide., Methods and Findings: We estimated the worldwide in-hospital mortality attributable to HCQ use by combining the mortality rate, HCQ exposure, number of hospitalised patients, and the increased relative risk of death with HCQ. The mortality rate in hospitalised patients for each country was calculated using pooled prevalence estimated by a meta-analysis of published cohorts. The HCQ exposure was estimated using median and extreme estimates from the same systematic review. The number of hospitalised patients during the first wave was extracted from dedicated databases. The systematic review included 44 cohort studies (Belgium: k = 1, France: k = 2, Italy: k = 12, Spain: k = 6, Turkey: k = 3, USA: k = 20). HCQ prescription rates varied greatly from one country to another (range 16-84%). Overall, using median estimates of HCQ use in each country, we estimated that 16,990 HCQ-related in-hospital deaths (range 6267-19256) occurred in the countries with available data. The median number of HCQ-related deaths in Belgium, Turkey, France, Italy, Spain, and the USA was 240 (range not estimable), 95 (range 92-128), 199 (range not estimable), 1822 (range 1170-2063), 1895 (range 1475-2094) and 12739 (3244- 15570), respectively., Conclusions: Although our estimates are limited by their imprecision, these findings illustrate the hazard of drug repurposing with low-level evidence., Competing Interests: Declaration of Competing Interest No author declared conflict of interest., (Copyright © 2024. Published by Elsevier Masson SAS.)
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- 2024
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28. Treatment strategy for acquired pure red cell aplasia: a systematic review and meta-analysis.
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Lobbes H, Lega JC, Le Guenno G, Ruivard M, and Mainbourg S
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- Humans, Adrenal Cortex Hormones therapeutic use, Cyclophosphamide, Retrospective Studies, Cyclosporine, Red-Cell Aplasia, Pure drug therapy, Red-Cell Aplasia, Pure etiology
- Abstract
The treatment of autoimmune acquired pure red cell aplasia (aPRCA) is challenging. Guidelines are based on expert recommendations in the absence of controlled trials. We assessed the efficacy of the main treatment strategy through a systematic review and meta-analysis using MEDLINE, EMBASE, and the Cochrane Library up to September 2022. The overall response rate (ORR) was pooled using random-effects models. In total, 24 observational studies (19 retrospective, median follow-up of 48 months) encompassing 753 patients (49% male) were included. Primary aPRCA represented 57% of the cases. The risk of bias was moderate to high using the ROBINS-I tool. Substantial heterogeneity (I2 > 50%) was retrieved. Corticosteroids as monotherapy as first-line treatment (186 patients, 13 studies) provided an ORR of 47% (95% confidence interval [CI], 34-60). Cyclosporine A was the most frequently used immunosuppressant agent (384 patients, 18 studies), providing an ORR of 74% (95% CI, 66-82) with a similar ORR in first- (73%) and second-line (76%) treatment and when cyclosporin was used as monotherapy (83%) or with corticosteroids (77%). A total of 112 patients (10 studies) received cyclophosphamide, with an ORR of 49% (95% CI, 35-64), which was higher when cyclophosphamide was combined with corticosteroids (48%) and used in second-line treatment (58%) than in monotherapy (31%), and in first-line treatment (44%). Sirolimus use was reported only after cyclosporine A failure and provided an ORR of 87% (95% CI, 68-100; 64 patients, 3 studies). Substantial uncertainty remains regarding the best treatment strategy in the absence of high-quality evidence. This study was registered on the PROPERO database as #CRD42022360452., (© 2023 by The American Society of Hematology. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0), permitting only noncommercial, nonderivative use with attribution. All other rights reserved.)
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- 2023
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29. [Does aspirin have a place in primary cardiovascular prevention by the polypill ? Simulation study on a realistic virtual population].
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Fall M, Grenet G, Le HH, Kassaï B, Lega JC, Boussageon R, Mainbourg S, Marchant I, Gafsi J, Dieye AM, and Gueyffier F
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- Male, Humans, Female, Adult, Middle Aged, Aged, Aspirin therapeutic use, Hemorrhage, Platelet Aggregation Inhibitors therapeutic use, Cardiovascular Diseases epidemiology, Cardiovascular Diseases prevention & control, Myocardial Infarction drug therapy, Stroke prevention & control, Diabetes Mellitus drug therapy, Hypertension drug therapy, Hypertension epidemiology
- Abstract
Background: The polypill strategy could become widely accepted in cardiovascular prevention due to reduced costs and its simplicity, which promote compliance. Aspirin is often included as a component of the polypill for primary prevention, but three powerful recent trials failed to show any favorable net benefit even in high-risk subgroups. Our objective is to estimate the net benefit associated with aspirin in primary cardiovascular prevention., Methods: We simulated the impact of different polypill compositions combining pravastatin, ramipril, hydrochlorothiazide, with or without aspirin, on a realistic French virtual population between 35 and 65 years old. We assessed how this impact on myocardial infarction and stroke varied according to gender, diabetes, and arterial hypertension. We identified the subgroup of individuals whose specific benefit from aspirin was greater than twice the risk of serious bleeding it induced., Results: The absolute benefit associated with aspirin was reduced by co-prescriptions. No subgroup of women benefited from aspirin, and the subgroup of women with a clear net benefit represented 128 women out of 529,421. Men at high risk of cardiovascular death, or with diabetes and hypertension, had a benefit from aspirin exceeding the risk of bleeding induced, but this risk represented more than half of the benefit. No subgroup analyzed did show a benefit greater than twice the risk of bleeding. The proportion of men whose expected benefit from aspirin was greater than twice the risk of bleeding represented 3% of all men. An optimal polypill strategy in primary prevention between the ages of 35 and 65, combining three drugs but not aspirin, can hope to save two out of three strokes and more than one out of two myocardial infarctions. It would prevent a major cardiovascular accident every 16 to 193 individuals treated according to the subgroups considered., Conclusion: Until proven otherwise, aspirin has only a limited place in individuals between 35 and 65 years without a cardiovascular history. We showed how simulating therapeutic strategies on a realistic virtual population could be used for best applying available evidence., (Copyright © 2023 Société française de pharmacologie et de thérapeutique. Published by Elsevier Masson SAS. All rights reserved.)
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- 2023
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30. Population designations in biomedical research: Limitations and perspectives.
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Gombault C, Grenet G, Segurel L, Duret L, Gueyffier F, Cathébras P, Pontier D, Mainbourg S, Sanchez-Mazas A, and Lega JC
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- Humans, Geography, Biomedical Research, Population Groups
- Abstract
In biomedical research, population differences are of central interest. Variations in the frequency and severity of diseases and in treatment effects among human subpopulation groups are common in many medical conditions. Unfortunately, the practices in terms of subpopulation labeling do not exhibit the level of rigor one would expect in biomedical research, especially when studying multifactorial diseases such as cancer or atherosclerosis. The reporting of population differences in clinical research is characterized by large disparities in practices, and fraught with methodological issues and inconsistencies. The actual designations such as "Black" or "Asian" refer to broad and heterogeneous groups, with a great discrepancy among countries. Moreover, the use of obsolete concepts such as "Caucasian" is unfortunate and imprecise. The use of adequate labeling to reflect the scientific hypothesis needs to be promoted. Furthermore, the use of "race/ethnicity" as a unique cause of human heterogeneity may distract from investigating other factors related to a medical condition, particularly if this label is employed as a proxy for cultural habits, diet, or environmental exposure. In addition, the wide range of opinions among researchers does not facilitate the attempts made for resolving this heterogeneity in labeling. "Race," "ethnicity," "ancestry," "geographical origin," and other similar concepts are saturated with meanings. Even if the feasibility of a global consensus on labeling seems difficult, geneticists, sociologists, anthropologists, and ethicists should help develop policies and practices for the biomedical field., (© 2022 The Authors. HLA: Immune Response Genetics published by John Wiley & Sons Ltd.)
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- 2023
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31. Indirect Comparison of Glucocorticoid-Sparing Agents for Remission Maintenance in Giant Cell Arteritis: A Network Meta-analysis.
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Mainbourg S, Tabary A, Cucherat M, Gueyffier F, Lobbes H, Aussedat M, Grenet G, Durieu I, Samson M, and Lega JC
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- Adalimumab, Etanercept, Glucocorticoids therapeutic use, Humans, Infliximab, Network Meta-Analysis, Randomized Controlled Trials as Topic, Giant Cell Arteritis drug therapy, Methotrexate therapeutic use
- Abstract
Objective: To compare and rank the effect of glucocorticoid-sparing agents in giant cell arteritis (GCA), for which several drugs have been evaluated but with a benefit-risk balance that remains uncertain., Methods: The MEDLINE and Clinical Trials databases were searched up to November 2021; all randomized controlled trials investigating glucocorticoids in GCA were included. The glucocorticoid regimen was dichotomized into short (≤6 months) or prolonged (>6 months) use. Risk of relapse and safety were estimated using network meta-analysis with frequentist random effects models., Results: Of the 96 records screened, 8 trials were included (572 patients). The trials compared glucocorticoids and a sparing agent: tocilizumab (2 trials), oral methotrexate (3 trials), infliximab (1 trial), etanercept (1 trial), and adalimumab (1 trial). The pooled prevalence of GCA relapse was 52.6% (95% CI, 38.1 to 66.9). The risk of relapse was significantly lower with tocilizumab compared with methotrexate (relative risk [RR], 0.41; 95% CI, 0.17 to 0.97) and prolonged (RR, 0.41; 95% CI, 0.20 to 0.83) and short (RR, 0.32; 95% CI, 0.16 to 0.66) glucocorticoid use. The risk of relapse was not significantly different with methotrexate compared with short (RR, 0.79; 95% CI, 0.48 to 1.31) and prolonged (RR, 0.95; 95% CI, 0.31 to 2.89) glucocorticoid use. The frequency of serious adverse events and serious infection was comparable between the different drugs. The certainty of the evidence was low to very low., Conclusion: This meta-analysis suggests that tocilizumab may be superior to other sparing agents to prevent GCA relapse, but with a low to very low certainty of evidence, and that safety is comparable to the other drugs., Registration: The protocol of the meta-analysis is registered in the international prospective register of systematic reviews PROSPERO (https://www.crd.york.ac.uk/prospero/; registration CRD42020112387)., (Copyright © 2022 Mayo Foundation for Medical Education and Research. Published by Elsevier Inc. All rights reserved.)
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- 2022
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32. Serological response to SARS-CoV-2 vaccination in patients with inflammatory rheumatic disease treated with disease modifying anti-rheumatic drugs: A cohort study and a meta-analysis.
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Auroux M, Laurent B, Coste B, Massy E, Mercier A, Durieu I, Confavreux CB, Lega JC, Mainbourg S, and Coury F
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- Abatacept therapeutic use, Adult, Aged, COVID-19 Vaccines, Cohort Studies, Humans, Immunoglobulin G, Leflunomide therapeutic use, Methotrexate therapeutic use, Observational Studies as Topic, Pandemics, Rituximab therapeutic use, SARS-CoV-2, Seroepidemiologic Studies, Serotonin Agents therapeutic use, Spike Glycoprotein, Coronavirus therapeutic use, Vaccination, Antirheumatic Agents therapeutic use, COVID-19 prevention & control, Rheumatic Diseases drug therapy
- Abstract
Introduction: Vaccination is considered as a cornerstone of the management of COVID-19 pandemic. However, while vaccines provide a robust protection in immunocompetent individuals, the immunogenicity in patients with inflammatory rheumatic diseases (IRD) is not well established., Methods: A monocentric observational study evaluated the immunogenicity of a two-dose regimen vaccine in adult patients with IRD (n=123) treated with targeted or biological therapies. Serum IgG antibody levels against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike proteins were measured after the second vaccination. In addition, a search for observational studies performed in IRD under biologic or targeted therapies up to September 31, 2021 (PROSPERO registration number: CRD42021259410) was undertaken in publication databases, preprint servers, and grey literature sources. Studies that reported sample size, study date, location, and seroprevalence estimate were included. A meta-analysis was conducted to identify demographic differences in the prevalence of SARS-CoV-2 antibodies., Results: Of 123 patients (median age 66 IQR 57-75), 69.9% have seroconverted after vaccination. Seroconverted patients were older than non-seroconverted ones in our cohort. Rituximab was associated with a significantly low antibody response. Besides, we identified 20 seroprevalence studies in addition to our cohort including 4423 participants in 11 countries. Meta-analysis confirmed a negative impact of rituximab on seroconversion rate and suggested a less substantial effect of abatacept, leflunomide and methotrexate., Conclusion: Rituximab impairs serological response to SARS-CoV-2 vaccines in patients with IRD. This work suggests also a negative impact of abatacept, methotrexate or leflunomide especially when associated to biological therapy., (Copyright © 2022 Société française de rhumatologie. Published by Elsevier Masson SAS. All rights reserved.)
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- 2022
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33. Réponse sérologique après vaccination contre le coronavirus chez les patients atteints de rhumatisme inflammatoire chronique traités par DMARDs : étude de cohorte et revue systématique avec méta-analyse.
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Auroux M, Laurent B, Coste B, Massy E, Mercier A, Durieu I, Confavreux CB, Lega JC, Mainbourg S, and Coury F
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- 2022
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34. The Impact of COVID-19 on Maternal Mental Health during Pregnancy: A Comparison between Canada and China within the CONCEPTION Cohort.
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Pagès N, Gorgui J, Wang C, Wang X, Zhao JP, Tchuente V, Lacasse A, Côté S, King S, Muanda F, Mufike Y, Boucoiran I, Nuyt AM, Quach C, Ferreira E, Kaul P, Winquist B, O'Donnell KJ, Eltonsy S, Chateau D, Hanley G, Oberlander T, Kassai B, Mainbourg S, Bernatsky S, Vinet É, Brodeur-Doucet A, Demers J, Richebé P, Zaphiratos V, and Bérard A
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- Adolescent, Anxiety epidemiology, Canada epidemiology, Communicable Disease Control, Depression epidemiology, Female, Humans, Mental Health, Pandemics, Pregnancy, SARS-CoV-2, COVID-19 epidemiology
- Abstract
The effect of the COVID-19 pandemic on maternal mental health has been described in Canada and China but no study has compared the two countries using the same standardized and validated instruments. In this study, we aimed to evaluate and compare the impact of COVID-19 public health policies on maternal mental health between Canada and China, as we hypothesize that geographical factors and different COVID-19 policies are likely to influence maternal mental health. Pregnant persons >18 years old were recruited in Canada and China using a web-based strategy. All participants recruited between 26 June 2020 and 16 February 2021 were analyzed. Self-reported data included sociodemographic variables, COVID-19 experience and maternal mental health assessments (Edinburgh Perinatal Depression Scale (EPDS), Generalized Anxiety Disorders (GAD-7) scale, stress and satisfaction with life). Analyses were stratified by recruitment cohort, namely: Canada 1 (26 June 2020-10 October 2020), Canada 2 and China (11 October 2020-16 February 2021). Overall, 2423 participants were recruited, with 1804 participants within Canada 1, 135 within Canada 2 and 484 in China. The mean EDPS scores were 8.1 (SD, 5.1) in Canada 1, 8.1 (SD, 5.2) in Canada 2 and 7.7 (SD, 4.9) in China ( p -value Canada 2/China: p = 0.005). The mean GAD-7 scores were 2.6 (SD, 2.9) in China, 4.3 (SD, 3.8) in Canada 1 ( p < 0.001) and 5.8 (SD, 5.2) in Canada 2 ( p < 0.001). When adjusting for stress and anxiety, being part of the Chinese cohort significantly increased the chances of having maternal depression by over threefold (adjusted OR 3.20, 95%CI 1.77-5.78). Canadian and Chinese participants reported depressive scores nearly double those of other crises and non-pandemic periods. Lockdowns and reopening periods have an important impact on levels of depression and anxiety among pregnant persons.
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- 2022
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35. Extreme Hyperferritinemia: Causes and Prognosis.
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Fauter M, Mainbourg S, El Jammal T, Guerber A, Zaepfel S, Henry T, Gerfaud-Valentin M, Sève P, and Jamilloux Y
- Abstract
The significance of extreme hyperferritinemia and its association with certain diagnoses and prognoses are not well characterized. We performed a retrospective analysis of adult patients with at least one total serum ferritin (TSF) measurement ≥ 5000 µg/L over 2 years, in three university hospitals. Conditions associated with hyperferritinemia were collected, and patients were classified into 10 etiological groups. Intensive care unit (ICU) transfer and mortality rates were recorded. A total of 495 patients were identified, of which 56% had a TSF level between 5000 and 10,000 µg/L. There were multiple underlying causes in 81% of the patients. The most common causes were infections (38%), hemophagocytic lymphohistiocytosis (HLH, 18%), and acute hepatitis (14%). For TSF levels > 10,000 µg/L, there were no solid cancer or hematological malignancy without another cause of hyperferritinemia. Isolated iron-overload syndromes never exceeded TSF levels > 15,000 µg/L. Extreme hyperferritinemia (TSF levels > 25,000 µg/L) was associated with only four causes: HLH, infections, acute hepatitis and cytokine release syndromes. A total of 32% of patients were transferred to an ICU, and 28% died. Both ICU transfer rate and mortality were statistically associated with ferritin levels. An optimized threshold of 13,405 μg/L was the best predictor for the diagnosis of HLH, with a sensitivity of 76.4% and a specificity of 79.3%. Hyperferritinemia reflects a variety of conditions, but only four causes are associated with extreme hyperferritinemia, in which HLH and acute hepatitis are the most common. Extreme hyperferritinemia has a poor prognosis with increased mortality.
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- 2022
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36. Cryoglobulinemia in systemic lupus erythematosus: a retrospective study of 213 patients.
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Roubertou Y, Mainbourg S, Hot A, Fouque D, Confavreux C, Chapurlat R, Debarbieux S, Jullien D, Sève P, Juillard L, Kolopp-Sarda MN, and Lega JC
- Subjects
- Female, Humans, Prevalence, Recurrence, Retrospective Studies, Cryoglobulinemia, Lupus Erythematosus, Systemic complications
- Abstract
Objectives: The clinical value of cryoglobulinemia (CG) in systemic lupus erythematosus (SLE) is largely unknown. The aim of this retrospective study was to describe the characteristics of CG in SLE, its impact on SLE phenotype, and the features associated with cryoglobulinemic vasculitis (CryoVas) in SLE patients., Methods: This retrospective study conducted in a French university hospital reviewed the data from 213 SLE patients having been screened for CG between January 2013 and December 2017. SLE patients positive for CG were compared to SLE patients without CG. Patients were classified as CryoVas using the criteria of De Vita et al. RESULTS: Of the 213 SLE patients included (mean age 29.2 years, female sex 85%), 142 (66%) had at least one positive CG in their history, 67% of them having a persistent CG at follow-up. CG was type III in 114 (80%) cases and type II in 27 (19%) cases. The mean concentration of the cryoprecipitate was 40mg/L (range 0-228). Patients with CG had significantly more C4 consumption. Among patients with CG, 21 (15%) developed a CryoVas. The clinical manifestations of patients with CryoVas were mainly cutaneous (purpura, ulcers, digital ischemia) and articular, without any death at follow-up. Severe manifestations of CG included glomerulonephritis in 1/21 (5%) patients and central nervous system involvement in 4/21 (19%) patients. A response to first-line treatments was observed in 12/13 (92%) patients, but relapses were observed for 3 of them., Conclusion: CG is frequent in SLE, but mostly asymptomatic. CryoVas features involve mostly joints, skin, and general symptoms. CryoVas in SLE appears to be a specific condition, with a low prevalence of neuropathy, membranoproliferative glomerulonephritis, and severe manifestations., (© 2022. The Author(s).)
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- 2022
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37. A New Pathogenic Missense Variant in a Consanguineous North-African Family Responsible for a Highly Variable Aceruloplasminemia Phenotype: A Case-Report.
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Lobbes H, Reynaud Q, Mainbourg S, Savy-Stortz C, Ropert M, Bardou-Jacquet E, and Durupt S
- Abstract
Aceruloplasminemia is a rare autosomal recessive inherited disorder. Mutations in the ceruloplasmin gene cause depressed ferroxidase activity leading to iron accumulation. The clinical phenotype is highly variable: anemia, retinopathy, diabetes mellitus, psychiatric disorders, and neurological symptoms including parkinsonian disorders and dementia are the main features of this disease. Characterized by high serum ferritin with low transferrin saturation, aceruloplasminemia uniquely combines brain, liver and systemic iron overload. We report here four new cases of aceruloplasminemia in a consanguineous North-African family. Genetic sequencing revealed a homozygous missense variant c.656T>A in exon 4 of the ceruloplasmin gene, which had been described previously as of "unknown significance" in the dbSNP database and never associated with ACP in the HGMD database. Ferroxidase activity was strongly depressed. Clinical manifestations varied among cases. The proband exhibited mild microcytic anemia, diabetes mellitus, psychosis and parkinsonism, whereas the other cases were asymptomatic or mildly anemic, although high serum ferritin and brain iron deposition were documented in all of them. Therapeutic management was complex. The proband started deferoxamine treatment when already symptomatic and he rapidly declined. In the asymptomatic cases, the treatment was associated with poor tolerance and was discontinued due to anemia requiring red blood cell transfusion. Our series illustrates the need for new therapeutic approaches to aceruloplasminemia., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Lobbes, Reynaud, Mainbourg, Savy-Stortz, Ropert, Bardou-Jacquet and Durupt.)
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- 2022
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38. The COVID-19 Pandemic Impacted Maternal Mental Health Differently Depending on Pregnancy Status and Trimester of Gestation.
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Bérard A, Gorgui J, Tchuente V, Lacasse A, Gomez YH, Côté S, King S, Muanda F, Mufike Y, Boucoiran I, Nuyt AM, Quach C, Ferreira E, Kaul P, Winquist B, O'Donnell KJ, Eltonsy S, Chateau D, Zhao JP, Hanley G, Oberlander T, Kassai B, Mainbourg S, Bernatsky S, Vinet É, Brodeur-Doucet A, Demers J, Richebé P, and Zaphiratos V
- Subjects
- Child, Female, Humans, Infant, Newborn, Mental Health, Pandemics, Pregnancy, SARS-CoV-2, COVID-19 epidemiology, Premature Birth
- Abstract
Introduction: We aimed to measure the impact of the COVID-19 pandemic on maternal mental health, stratifying on pregnancy status, trimester of gestation, and pandemic period/wave. Methods: Pregnant persons and persons who delivered in Canada during the pandemic, >18 years, were recruited, and data were collected using a web-based strategy. The current analysis includes data on persons enrolled between 06/2020−08/2021. Maternal sociodemographic indicators, mental health measures (Edinburgh Perinatal Depression Scale (EPDS), Generalized Anxiety Disorders (GAD-7), stress) were self-reported. Maternal mental health in pregnant women (stratified by trimester, and pandemic period/wave at recruitment) was compared with the mental health of women who had delivered; determinants of severe depression were identified with multivariate logistic regression models. Results: 2574 persons were pregnant and 626 had already delivered at recruitment. Participants who had delivered had significantly higher mean depressive symptom scores compared to those pregnant at recruitment (9.1 (SD, 5.7) vs. 8.4 (SD, 5.3), p = 0.009). Maternal anxiety (aOR 1.51; 95%CI 1.44−1.59) and stress (aOR 1.35; 95%CI 1.24−1.48) were the most significant predictors of severe maternal depression (EDPS ˃ 13) in pregnancy. Conclusion: The COVID-19 pandemic had a significant impact on maternal depression during pregnancy and in the post-partum period. Given that gestational depression/anxiety/stress has been associated with preterm birth and childhood cognitive problems, it is essential to continue following women/children, and develop strategies to reduce COVID-19′s longer-term impact.
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- 2022
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39. Iron Deficiency in Cystic Fibrosis: A Cross-Sectional Single-Centre Study in a Referral Adult Centre.
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Lobbes H, Durupt S, Mainbourg S, Pereira B, Nove-Josserand R, Durieu I, and Reynaud Q
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- Adult, Cross-Sectional Studies, Female, Humans, Iron, Male, Prospective Studies, Referral and Consultation, Cystic Fibrosis complications, Cystic Fibrosis epidemiology, Iron Deficiencies
- Abstract
Iron deficiency (ID) diagnosis in cystic fibrosis (CF) is challenging because of frequent systemic inflammation. We aimed to determine the prevalence and risk factors of ID in adult patients with CF. We conducted a single-centre prospective study in a referral centre. ID was defined by transferrin saturation ≤16% or ferritin ≤20 (women) or 30 (men) μg/L, or ≤100 μg/L in the case of systemic inflammation. Apparent exacerbation was an exclusion criterion. We included 165 patients (78 women), mean age—31.1 ± 8.9 years. ID prevalence was 44.2%. ID was significantly associated with female gender (58.9% vs. 38%), lower age (29.4 ± 8.5 vs. 32.5 ± 9.1), lower body mass index (20.5 ± 2.2 vs. 21.3 ± 2.5), and Pseudomonas aeruginosa colonization (70.8% vs. 55.1%). Diabetes mellitus, antiacid drug use and low pulmonary function were more frequent in patients with ID with no statistical significance. The use of CFTR correctors was not associated with ID. In the multivariate analysis, ID was associated with female gender (OR 2.64, CI95% 1.31−5.31), age < 30 years (OR 2.30, CI95% 1.16−4.56), and P. aeruginosa (OR 2.09, CI95% 1.04−4.19).
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- 2022
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40. Epidemiology of major relapse in giant cell arteritis: A study-level meta-analysis.
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Aussedat M, Lobbes H, Samson M, Euvrard R, Lega JC, and Mainbourg S
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- Glucocorticoids, Humans, Prospective Studies, Recurrence, Retrospective Studies, Giant Cell Arteritis diagnosis, Giant Cell Arteritis drug therapy, Giant Cell Arteritis epidemiology
- Abstract
Objective: The relapse rate of giant cell arteritis (GCA) is around 48%. Major relapse of GCA is defined by the European League Against Rheumatism as severe ischemic or aortic (stenosis, aneurysm, or aortic dissection) disease of GCA. The objective of the present study was to determine the prevalence and incidence, as well as the spectrum of major relapse in GCA using published data., Methods: The MEDLINE and Cochrane databases were searched up to March 2020. Studies that included patients with newly diagnosed or relapsed GCA receiving glucocorticoids (GC) alone and/or GC-sparing therapy, detailing the number of relapsing patients and the characteristics of relapses were included. The prevalence and incidence of major relapse were pooled using a random-effects model., Results: Twenty-six studies (including eight randomised controlled trials) involving 2754 patients with GCA were included. The prevalence and incidence of major relapse in this population was 3.3% (95%CI [1.7;5.6]; I
2 = 86%) and 14.5/100 patient-years (95%CI [5.2;27.2]; I2 = 90%). The clinical manifestations were jaw claudication (44.3%), ophthalmological involvement (32.7%), peripheral limb ischemia (12.5%), aortic (7.7%), and neurological involvements (4.8%). In the meta-regression analysis, the duration of follow-up was negatively associated with the incidence of major relapse (Beta = -0.015, 95%CI [-0.026; -0.0042]; p = 0.0063). The incidence of major relapse was significantly higher in prospective studies (55.2/100 person-years, 95%CI [15.3;114.3] than in retrospective studies (4.1/100 patient-years, 95%CI[1.1;8.4]; pinteraction = 0.000.2)., Conclusion: This study found that there was heterogeneity among studies, and this is partially related to study design. Jaw claudication was frequent and increases the prevalence and incidence of relapses major., (Copyright © 2021 Elsevier B.V. All rights reserved.)- Published
- 2022
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41. Risk Factors for Venous Thromboembolism in Severe COVID-19: A Study-Level Meta-Analysis of 21 Studies.
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Lobbes H, Mainbourg S, Mai V, Douplat M, Provencher S, and Lega JC
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- Hospitalization, Humans, Observational Studies as Topic, Risk Factors, SARS-CoV-2, COVID-19, Venous Thromboembolism epidemiology
- Abstract
Venous thromboembolism (VTE) in patients with COVID-19 in intensive care units (ICU) is frequent, but risk factors (RF) remain unidentified. In this meta-analysis (CRD42020188764) we searched for observational studies from ICUs reporting the association between VTE and RF in Medline/Embase up to 15 April 2021. Reviewers independently extracted data in duplicate and assessed the certainty of the evidence using the GRADE approach. Analyses were conducted using the random-effects model and produced a non-adjusted odds ratio (OR). We analysed 83 RF from 21 studies (5296 patients). We found moderate-certainty evidence for an association between VTE and the D-dimer peak (OR 5.83, 95%CI 3.18-10.70), and length of hospitalization (OR 7.09, 95%CI 3.41-14.73) and intubation (OR 2.61, 95%CI 1.94-3.51). We identified low-certainty evidence for an association between VTE and CRP (OR 1.83, 95% CI 1.32-2.53), D-dimer (OR 4.58, 95% CI 2.52-8.50), troponin T (OR 8.64, 95% CI 3.25-22.97), and the requirement for inotropic drugs (OR 1.67, 95% CI 1.15-2.43). Traditional VTE RF (i.e., history of cancer, previous VTE events, obesity) were not found to be associated to VTE in COVID-19. Anticoagulation was not associated with a decreased VTE risk. VTE RF in severe COVID-19 correspond to individual illness severity, and inflammatory and coagulation parameters.
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- 2021
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42. Significant Major Bleeding in Hospitalized Patients with COVID-19 Receiving Thromboprophylaxis.
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Mai V, Mainbourg S, Tan BK, Lega JC, and Provencher S
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- Anticoagulants adverse effects, Hemorrhage chemically induced, Humans, SARS-CoV-2, COVID-19, Venous Thromboembolism epidemiology, Venous Thromboembolism prevention & control
- Abstract
Competing Interests: V.M., S.M., B.K.T., and J.-C.L. have no conflict of interest. S.P. is clinician-scientist of the Fonds de Recherche en Santé du Québec and has received research grants from Actelion Pharmaceuticals, AstraZeneca, and Resverlogix outside of the submitted work.
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- 2021
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43. Arterial and venous thromboembolism in COVID-19: a study-level meta-analysis.
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Tan BK, Mainbourg S, Friggeri A, Bertoletti L, Douplat M, Dargaud Y, Grange C, Lobbes H, Provencher S, and Lega JC
- Subjects
- COVID-19 diagnosis, COVID-19 therapy, Critical Care, Hospitalization, Humans, Prevalence, Thromboembolism diagnosis, Thromboembolism prevention & control, COVID-19 complications, Thromboembolism epidemiology
- Abstract
Background: The prevalence of venous thromboembolic event (VTE) and arterial thromboembolic event (ATE) thromboembolic events in patients with COVID-19 remains largely unknown., Methods: In this meta-analysis, we systematically searched for observational studies describing the prevalence of VTE and ATE in COVID-19 up to 30 September 2020., Results: We analysed findings from 102 studies (64 503 patients). The frequency of COVID-19-related VTE was 14.7% (95% CI 12.1% to 17.6%, I
2 =94%; 56 studies; 16 507 patients). The overall prevalence rates of pulmonary embolism (PE) and leg deep vein thrombosis were 7.8% (95% CI 6.2% to 9.4%, I2 =94%; 66 studies; 23 117 patients) and 11.2% (95% CI 8.4% to 14.3%, I2 =95%; 48 studies; 13 824 patients), respectively. Few were isolated subsegmental PE. The VTE prevalence was significantly higher in intensive care unit (ICU) (23.2%, 95% CI 17.5% to 29.6%, I2 =92%, vs 9.0%, 95% CI 6.9% to 11.4%, I2 =95%; pinteraction <0.0001) and in series systematically screening patients compared with series testing symptomatic patients (25.2% vs 12.7%, pinteraction =0.04). The frequency rates of overall ATE, acute coronary syndrome, stroke and other ATE were 3.9% (95% CI 2.0% to to 3.0%, I2 =96%; 16 studies; 7939 patients), 1.6% (95% CI 1.0% to 2.2%, I2 =93%; 27 studies; 40 597 patients) and 0.9% (95% CI 0.5% to 1.5%, I2 =84%; 17 studies; 20 139 patients), respectively. Metaregression and subgroup analyses failed to explain heterogeneity of overall ATE. High heterogeneity limited the value of estimates., Conclusions: Patients admitted in the ICU for severe COVID-19 had a high risk of VTE. Conversely, further studies are needed to determine the specific effects of COVID-19 on the risk of ATE or VTE in less severe forms of the disease., Competing Interests: Competing interests: LB reports grants and personal fees from Sanofi; grants, personal fees and non-financial support from Leo-Pharma; personal fees and non-financial support from Aspen; grants, personal fees and non-financial support from BMS/Bfizer; grants, personal fees and non-financial support from Bayer during the conduct of the study. CG has received grants from Bayer and BMS/Pfizer. YD has received grants/research support from Bayer, Baxter, Baxalta, Novo Nordisk, CSL Behring, LFB, Pfizer, LeoPharma, Octapharma and Stago; and an educational grant from Takeda and honoraria from Bayer, Baxter, Novo Nordisk, CSL Behring, Sobi and Octapharma. SP reports grants from Actelion, AstraZeneca and Resverlogix outside the submitted work., (© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ.)- Published
- 2021
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44. Venous thromboembolism in COVID-19 compared to non-COVID-19 cohorts: A systematic review with meta-analysis.
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Mai V, Tan BK, Mainbourg S, Potus F, Cucherat M, Lega JC, and Provencher S
- Subjects
- Adolescent, Adult, Aged, Aged, 80 and over, COVID-19 diagnosis, COVID-19 therapy, Child, Child, Preschool, Female, Humans, Infant, Intensive Care Units, Male, Middle Aged, Patient Admission, Prognosis, Pulmonary Embolism diagnosis, Risk Assessment, Risk Factors, Venous Thromboembolism diagnosis, Venous Thrombosis diagnosis, Young Adult, COVID-19 epidemiology, Pulmonary Embolism epidemiology, Venous Thromboembolism epidemiology, Venous Thrombosis epidemiology
- Abstract
Background: Many studies confirmed an association between COVID-19 and venous thromboembolism (VTE). Whether the risk of VTE significantly differed between COVID-19 cohorts and non-COVID-19 cohorts with similar disease severity remains unknown., Objectives: The aim of this systematic review with meta-analysis was to compare the rate of VTE between COVID-19 and non-COVID-19 cohorts with similar disease severity., Methods: A systematic literature search (MEDLINE, Embase and Google Scholar) was conducted from January 1, 2020 to March 31, 2021 to identify studies reporting VTE in COVID-19. Relative risks (RR) were estimated for the effect measure with 95% confidence intervals., Results: Seven studies (41,768 patients) evaluated VTE in COVID-19 cohorts compared to non-COVID-19 cohorts. The overall risk of VTE (RR 1.18; 95%CI 0.79-1.77; p = 0.42; I
2 = 54%), pulmonary embolism (RR 1.25; 95%CI 0.77-2.03; p = 0.36; I2 = 52%) and deep venous thrombosis (RR 0.92; 95%CI 0.52-1.65; p = 0.78; I2 = 0%) did not significantly differ between COVID-19 and non-COVID-19 cohorts. However, subgroup analyses suggested an increased risk of VTE amongst CODID-19 versus non COVID-19 cohorts when only patients hospitalized within the intensive care unit (ICU) were considered (RR 3.10; 95%CI 1.54-6.23), which was not observed in cohorts of predominantly non-ICU patients (RR 0.95; 95%CI 0.81-1.11) (Pinteraction = 0.001)., Conclusion: There was no signal for a difference in VTE in COVID-19 cohorts compared to non-COVID-19 cohorts, except for the subgroup of patients hospitalized in the ICU. These results should be viewed as exploratory and further studies are needed to confirm these results., (Copyright © 2021 Elsevier Inc. All rights reserved.)- Published
- 2021
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45. Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality.
- Author
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Kilo R, Laporte S, Arab R, Mainbourg S, Provencher S, Grenet G, Bertoletti L, Villeneuve L, Cucherat M, and Lega JC
- Subjects
- Atrial Fibrillation drug therapy, Atrial Fibrillation mortality, Cause of Death, Fibrinolytic Agents adverse effects, Hemorrhage drug therapy, Hemorrhage mortality, Humans, Randomized Controlled Trials as Topic statistics & numerical data, Regression Analysis, Risk Assessment, Stroke drug therapy, Stroke mortality, Survival Analysis, Treatment Outcome, Venous Thromboembolism mortality, Venous Thromboembolism prevention & control, Drug-Related Side Effects and Adverse Reactions mortality, Fibrinolytic Agents therapeutic use
- Abstract
This study aimed to explore the validity of the use of the net clinical benefit (NCB), i.e. the sum of major bleeding and thrombotic events, as a potential surrogate for all-cause mortality in clinical trials assessing antithrombotics. Published randomized controlled trials testing anticoagulants in the prevention or treatment of venous thromboembolism (VTE) and non-valvular atrial fibrillation (NVAF) were systematically reviewed. The validity of NCB as a surrogate endpoint was estimated by calculating the strength of correlation of determination (R
2 ) and its 95% confidence interval (CI) between the relative risks of NCB and all-cause mortality. Amongst the 125 trials retrieved, the highest R2 trial values were estimated for NVAF (R2 trial = 0.41, 95% CI [0.03; 0.48]), and acute VTE (R2 trial = 0.30, 95% CI [0.04; 0.84]). Conversely, the NCB did not correlate with all-cause mortality in prevention studies with medical (R2 trial = 0.12, 95% CI [0.00; 0.36]), surgical (R2 trial = 0.05, 95% CI [0.00; 0.23]), and cancer patients (R2 trial = 0.006, 95% CI [0.00; 1.00]). A weak correlation between NCB and all cause-mortality was found in NVAF and acute VTE, whereas no correlation was observed in clinical situations where the mortality rate was low. Consequently, NCB should not be considered a surrogate outcome for all cause-mortality in anticoagulation trials., (© 2021. The Author(s).)- Published
- 2021
- Full Text
- View/download PDF
46. DPP-4 Inhibitors and Respiratory Infection: A Systematic Review and Meta-analysis of the Cardiovascular Outcomes Trials.
- Author
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Grenet G, Mekhaldi S, Mainbourg S, Auffret M, Cornu C, Cracowski JL, Gueyffier F, Lega JC, and Cucherat M
- Subjects
- Humans, Hypoglycemic Agents adverse effects, Incretins, Diabetes Mellitus, Type 2 drug therapy, Dipeptidyl-Peptidase IV Inhibitors adverse effects
- Published
- 2021
- Full Text
- View/download PDF
47. Prevention of venous thromboembolism in nephrotic syndrome: the quest towards precision medicine.
- Author
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Lobbes H, Mainbourg S, and Lega JC
- Published
- 2020
- Full Text
- View/download PDF
48. Recurrent superficial vein thrombosis revealing relapsing polychondritis associated with myelodysplastic syndrome.
- Author
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Tabary A, Lega JC, Mainbourg S, and Lobbes H
- Subjects
- Aged, 80 and over, Forearm blood supply, Humans, Male, Polychondritis, Relapsing physiopathology, Ear Auricle, Ear Diseases physiopathology, Myelodysplastic Syndromes diagnosis, Polychondritis, Relapsing diagnosis, Venous Thrombosis physiopathology
- Published
- 2020
- Full Text
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49. The benefit-risk balance for biological agents in juvenile idiopathic arthritis: a meta-analysis of randomized clinical trials.
- Author
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Cabrera N, Avila-Pedretti G, Belot A, Larbre JP, Mainbourg S, Duquesne A, Janiaud P, Kassai B, Cucherat M, and Lega JC
- Subjects
- Abatacept therapeutic use, Adalimumab therapeutic use, Arthritis, Juvenile immunology, Child, Etanercept therapeutic use, Female, Humans, Male, Randomized Controlled Trials as Topic, Regression Analysis, Risk Assessment, Treatment Outcome, Antibodies, Monoclonal, Humanized therapeutic use, Antirheumatic Agents therapeutic use, Arthritis, Juvenile drug therapy, Biological Factors therapeutic use
- Abstract
Objective: To assess the net benefit of biological agents (BA) used in JIA., Methods: We systematically searched databases up to March 2019 for randomized controlled trials (RCT) performed in JIA disease. Separate random-effects meta-analyses were conducted for efficacy (ACR paediatric score 30%, ACRpedi30) and serious adverse events for safety. In order to standardize the baseline risk, we performed a meta-analysis of baseline risk in the control group (for both efficacy and safety meta-analysis). The net benefit was determined as the risk difference of efficacy subtracted by the risk difference of safety., Results: We included 19 trials: 11 parallel RCTs (754 patients) and 8 withdrawal RCTs (704 patients). The net benefit ranged from 2.4% (adalimumab) to 17.6% (etanercept), and from 2.4% (etanercept) to 36.7%, (abatacept) in parallel and withdrawal trials assessing non-systemic JIA, respectively. In the systemic JIA category, the net benefit ranged from 22.8% (rilonacept) to 70.3% (canakinumab), and from 32.3% (canakinumab) to 58.2% (tocilizumab) in parallel and withdrawal trials, respectively., Conclusion: The results suggest that a greater number of patients experienced therapeutic success without serious adverse events in the systemic onset JIA category compared with the BAs for non-systemic JIA categories. Baseline risk, design of trial and JIA categories impact the measure of net benefit of BAs in JIA patients., (© The Author(s) 2020. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
- Published
- 2020
- Full Text
- View/download PDF
50. Analysis of incidence of thrombotic complications in the presence of competing risks.
- Author
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Mainbourg S, Cucherat M, and Lega JC
- Subjects
- Betacoronavirus, COVID-19, Humans, Incidence, SARS-CoV-2, Coronavirus Infections, Critical Illness, Intensive Care Units, Pandemics, Pneumonia, Viral
- Published
- 2020
- Full Text
- View/download PDF
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