33 results on '"Riegel L"'
Search Results
2. Female sex workers and police violence during the Covid-19 health crisis in 2020–2021: results from the EPIC multi-country community-based research program in Argentina
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Aristegui, I., Castro Avila, J., Villes, V., Delabre, R. M., Orellano, G., Aguilera, M., Romero, M., Riegel, L., Kretzer, L., Cardozo, N., Radusky, P. D., and Rojas Castro, D.
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- 2022
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3. Benefits and challenges of a community-based programme for women living with HIV in Mali.
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Perray, M., Traore, D., Riegel, L., Rojas Castro, D., Spire, B., Mora, M., Yattassaye, A., and Préau, M.
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HIV-positive persons ,SOCIAL support ,RESEARCH methodology ,SOCIAL networks ,SELF-management (Psychology) ,INTERVIEWING ,SELF-disclosure ,SELF-efficacy ,RANDOMIZED controlled trials ,COMMUNITY-based social services ,RESEARCH funding ,THEMATIC analysis ,ENDOWMENTS ,STATISTICAL sampling ,WOMEN'S health ,DISEASE management - Abstract
Gundo-So is a community-based programme developed by and for women living with HIV (WLHIV) in Mali through the ARCAD-Santé-PLUS association. It provides support, co-constructed with WLHIV, to develop strategies on whether or not to disclose their status. The aim of the ANRS-12373 research is to evaluate the impact of this programme in the short and medium term. As part of this research, semi-structured interviews were conducted with participants (14). These interviews were analysed thematically. Three themes are presented here: positive feedback from the programme, which enabled them to be listened to and supported them both psychologically and financially. The impact of the programme on the participants' social network is also described, in terms of the links made with peers met during the programme. Finally, a new perspective on issues such as disease management, which improved through the contribution of knowledge, and also through the development of psychosocial resources. The programme enabled participants to acquire psychosocial skills, the ability to effectively self-manage their condition, and strategies on whether or not to disclose their HIV status. Participants' empowerment and social support in relation to the disease were developed through the programme, particularly through the links created with other women living with HIV. [ABSTRACT FROM AUTHOR]
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- 2023
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4. Understanding how peer relationships influence peerdelivered HIV prevention interventions among Ugandan female sex workers: a case study from HIV self-testing
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Eubanks, A., Mimi, M., Dembélé Keita, B, Anoma, C., Dah, T.T.E., Mensah, E., Maradan, G., Bourrelly, M., Mora, M., Riegel, L., Rojas Castro, D., Yaya, I., Spire, B., Laurent, C., Sagaon-Teyssier, L., Sciences Economiques et Sociales de la Santé & Traitement de l'Information Médicale (SESSTIM - U1252 INSERM - Aix Marseille Univ - UMR 259 IRD), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM), ARCAD-SIDA [Bamako, Mali], Espace Confiance [Abidjan, Côte d’Ivoire], Centre Muraz [Bobo-Dioulasso, Burkina Faso], Espoir Vie Togo [Lomé, Togo], Observatoire régional de la santé Provence-Alpes-Côte d'Azur [Marseille] (ORS PACA), Coalition PLUS [Pantin, France], Recherches Translationnelles sur le VIH et les maladies infectieuses endémiques et émergentes (TransVIHMI), Institut de Recherche pour le Développement (IRD)-Université de Yaoundé I-Université Cheikh Anta Diop [Dakar, Sénégal] (UCAD)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Recherches Translationnelles sur le VIH et les maladies infectieuses endémiques er émergentes (TransVIHMI), and Malbec, Odile
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[SDV] Life Sciences [q-bio] ,[SDV]Life Sciences [q-bio] - Abstract
International audience; Background: Access to PrEP for men who have sex with men (MSM) is a public health priority. PrEP rollout for MSM in West Africa is confronted by unknowns concerning the feasibility in this context, due to the highly vulnerable nature of MSM (stigma, precarity, high-risk sex). We aimed to estimate the attrition rate and identify the factors associated with loss to follow-up (LTFU) in a cohort of MSM on PrEP in West Africa.Methods: Since 2017, CohMSM-PrEP has offered a comprehensive prevention package for MSM in Mali, Cote d’Ivoire, Burkina Faso, and Togo. Quarterly follow-up includes PrEP (daily or event-driven) and socio-behavioral data collection. Participants from a previous MSM cohort and new participants were enrolled. LTFU was defined as not attending the last two scheduled follow-up visits. The Kaplan-Meier technique and log-rank test were used to estimate time to LTFU and to test for significance between groups. The Cox proportional hazards regression model was used to determine predictors of LTFU and adjusted by confounders.Results: 585 participants were recruited from November 2017-January 2020. The median follow-up time was 15.6 months. During this period, 119 participants were LTFU (20%). The median follow-up time for LTFU participants was 3 months. The attrition rate was 1.8/100 person-years. Newly enrolled participants left the cohort at a higher rate than former CohMSM participants (p-value
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- 2021
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5. Pourquoi participer à un programme communautaire sur le partage du statut sérologique VIH ? Enquête qualitative et quantitative auprès de FVVIH dans le cadre du programme malien Gundo-So
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Perray, M., Riegel, L., Traore, D., Rojas Castro, D., Spire, B., Mora, M., Préau, M., and Yattassaye, A.
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- 2020
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6. Reaching a different population of MSM in West Africa with the integration of PrEP into a comprehensive prevention package (CohMSM-PrEP ANRS 12369-Expertise France)
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Eubanks, A., Keita, B. D., Anoma, C., Dah, T. T. E., Mensah, E., Maradan, G., Bourrelly, M., Mora, M., Riegel, L., Castro, D. R., Yaya, Issifou, Spire, B., Laurent, Christian, Sagaon Teyssier, Luis, and CohMSM-PrEP Study Group
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behavior ,West Africa ,virus diseases ,HIV ,MSM ,community-based research ,PrEP - Abstract
Background: In West Africa, few HIV services target men who have sex with men (MSM). In 2015, the interventional cohort CohMSM started offering a community-based prevention package for MSM. Participants expressed interest in pre-exposure prophylaxis (PrEP) and their eligibility was demonstrated. In 2017, PrEP was added to services already offered as part of a new program, CohMSM-PrEP, which recruited CohMSM participants and new participants. We aimed to determine whether the introduction of PrEP as an additional prevention tool influenced the type of participant signing up for CohMSM-PrEP. Methods: CohMSM-PrEP recruited HIV-negative MSM in community-based clinics in Mali, Cote d'Ivoire, Burkina Faso, and Togo. Quarterly follow-up included free clinical examinations, PrEP, HIV/sexually transmitted infection screening, peer education, condoms, and lubricants. Sociobehavioral data were collected every 3 months using face-to-face questionnaires. Our outcome was participant type: new participants vs CohMSM participants. Logistic regression was performed to identify the factors associated with being a new participant. Results: Of the 524 MSM included in CohMSM-PrEP, 41% were new participants. After adjustment, multivariate analysis showed they were more socioeconomically disadvantaged with financial insecurity, social isolation-including isolation within the MSM community-and riskier sexual practices. Conclusion: The introduction of PrEP as an additional prevention tool and the use of peer-based outreach services over time influenced the type of participant signing up for a community-based HIV prevention cohort in West Africa. Adding these elements to existing interventions in Sub-Saharan Africa could be the key to reaching MSM marginalized from HIV prevention and care programs.
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- 2020
7. PEDOPHILIA, PEJORATION, AND PREJUDICE: INQUIRY BY INSINUATION, ARGUMENT BY ACCUSATION.
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David, Riegel L.
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PEDOPHILIA , *ETYMOLOGY , *CHILD sexual abuse , *INTERGENERATIONAL relations , *SEXUAL psychology - Abstract
Examines issues related to the negative image of pedophilia. Etymology of pedophilia; Views on child sexual abuse; Overview of studies on consensual age-variant boyhood sex; Reason for the prevalence of the victimological model of consensual age-variant boyhood sex.
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- 2005
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8. Loss to follow-up among MSM on PrEP in West Africa (CohMSM-PrEP ANRS12369-Expertise France)
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Eubanks, A., Mimi, M., Keita, B. Dembele, Anoma, C., Dah, T. T. E., Mensah, E., Maradan, G., Bourrelly, M., Mora, M., Riegel, L., Castro, D. Rojas, Yaya, I., Spire, B., Laurent, C., and Luis Sagaon-Teyssier
9. Visuelle Organisationsmittel — eine Alternative und Ergänzung zur EDV
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Riegel, L., primary
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- 1981
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10. Connaissance, attitudes et pratique (CAP) des professionnels de santé vis-à-vis de l'infection à l'hépatite B en Thaïlande en 2015.
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Bureau, M. and Riegel, L.
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Copyright of Médecine et Santé Tropicales is the property of John Libbey Eurotext Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2016
11. Metabolic Engineering of Glycofusion Bispecific Antibodies for α-Dystroglycanopathies.
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Zhong X, Yan GG, Chaturvedi A, Li X, Gao Y, Girgenrath M, Corcoran CJ, Diblasio-Smith L, LaVallie ER, de Rham T, Zhou J, Abel M, Riegel L, Lim SKH, Bloom L, Lin L, and D'Antona AM
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Background: α-dystroglycanopathies are congenital muscular dystrophies in which genetic mutations cause the decrease or absence of a unique and complex O-linked glycan called matriglycan. This hypoglycosylation of O-linked matriglycan on the α-dystroglycan (α-DG) protein subunit abolishes or reduces the protein binding to extracellular ligands such as laminins in skeletal muscles, leading to compromised survival of muscle cells after contraction. Methods: Surrogate molecular linkers reconnecting laminin-211 and the dystroglycan β-subunit through bispecific antibodies can be engineered to improve muscle function in the α-dystroglycanopathies. This study reports the metabolic engineering of a novel glycofusion bispecific (GBi) antibody that fuses the mucin-like domain of the α-DG to the light chain of an anti-β-DG subunit antibody. Results: Transient HEK production with the co-transfection of LARGE1, the glycoenzyme responsible for the matriglycan modification, produced the GBi antibody only with a light matriglycan modification and a weak laminin-211 binding activity. However, when a sugar feed mixture of uridine, galactose, and manganese ion (Mn
2+ ) was added to the culture medium, the GBi antibody produced exhibited a dramatically enhanced matriglycan modification and a much stronger laminin-binding activity. Conclusions: Further investigation has revealed that Mn2+ in the sugar feeds played a critical role in increasing the matriglycan modification of the GBi antibody, key for the function of the resulting bispecific antibody.- Published
- 2024
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12. Factors associated with ART interruption during the COVID-19 crisis in Burundi (the EPIC community-based research program).
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Niyongabo A, Villes V, Diagne R, Castro Avila J, Mutima JM, Gakima D, Nimbona P, Niyoncuti E, Rwamuco E, Manirakiza M, Riegel L, Lorente N, Delabre RM, and Rojas Castro D
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- Humans, Burundi epidemiology, Female, Male, Adult, Middle Aged, SARS-CoV-2 isolation & purification, Surveys and Questionnaires, Anti-HIV Agents therapeutic use, Anti-HIV Agents administration & dosage, Young Adult, COVID-19 epidemiology, COVID-19 prevention & control, HIV Infections epidemiology
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With a national prevalence of 0.9%, Burundi is close to achieving UNAIDS' 2025 targets. Despite this, different types of crises periodically disrupt its HIV health services. The community-based program EPIC measured the impact of the COVID-19 health crisis on people living with HIV (PLHIV) in Burundi in 2021. Specifically, it assessed ART interruption and associated factors since the beginning of the pandemic. The study questionnaire was administered to PLHIV in three cities between October and November 2021. Participants were recruited using convenience sampling. Logistic regression models helped identify factors associated with ART interruption. Of the 317 respondents, 37 (11.7%) reported interruption. The majority (79.2%) self-identified as belonging to key populations. Interruption was significantly associated with: fewer HIV medical follow-up visits (adjusted Odds Ratio, aOR = 7.80, p = 0.001) and forced HIV status disclosure (aOR = 4.10, p = 0.004). It was inversely associated with multi-month ART dispensing (aOR = 0.36, p = 0.017) since the beginning of the pandemic and the perception of not having been sufficiently informed by the HIV medical team about the risk of COVID-19 infection (aOR = 0.11, p < 0.001). Our results highlight the importance of multi-month ART dispensing, enhanced communication, and voluntary disclosure of one's HIV status in preventing ART interruption in times of crises in Burundi., (© 2024. The Author(s).)
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- 2024
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13. Men Who Have Sex with Both Men and Women in West Africa: Factors Associated with a High Behavioral Risk of Acquiring HIV from Male Partners and Transmission to Women (CohMSM ANRS 12324-Expertise France).
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Fiorentino M, Coulibaly B, Couderc C, Keita BD, Anoma C, Dah E, Mensah E, Aka TN, Touré JR, Camara D, Kokouba AR, Maradan G, Mora M, Bourrelly M, Riegel L, Rojas-Castro D, Spire B, Laurent C, and Sagaon-Teyssier L
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- Male, Female, Humans, Homosexuality, Male, Sexual Behavior, Africa, Western, Sexual Partners, Risk Factors, HIV Infections prevention & control, Sexual and Gender Minorities
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HIV is highly prevalent in men who have sex with men (MSM) in West Africa. Many MSM in the region also have sex with women (MSMW). Accordingly, they are a potential bridge subpopulation for HIV transmission to women. We aimed to evaluate the proportions and characteristics of West African MSMW at high behavioral risk of acquiring HIV from male partners and transmitting it to female partners (HBRMF). The cohort ANRS-12324 CohMSM Study included 630 HIV-negative MSM in Burkina Faso, Cote d'Ivoire, Mali, and Togo. Among MSMW (i.e., with ≥ 1 female partner) in the cohort, HBRMF was identified using trajectory models based on seven at-risk sexual practices with male and female partners, including inconsistent condom use, multiple partnerships, and receptive same-sex anal intercourse. To assess the relevance of using trajectory models, we compared the proportions of participants who seroconverted during the cohort follow-up among those at HBRMF and those not at HBRMF. Factors associated with HBRMF were identified using a generalized estimation equation logistic regression model accounting for longitudinal data. Approximately half (47%) of the 304 MSMW (22% of all CohMSM study participants) were at HBRMF. This group accounted for 75% of the 28 HIV seroconversions observed during follow-up (p = 0.001). HBRMF was positively associated with being aged < 25 years (aOR 95% CI 1.67 [1.23-2.27]), being sexually attracted only to men (1.97 [1.38-2.78]), feelings of loneliness (1.92 [1.38-2.65]), and homonegative violence score (1.22 [1.05-1.41]). HBRMF was negatively associated with having had both stable and casual female partners in the previous 6 months (0.34 [0.20-0.60] vs. only a stable female partner). HBRMF tended to be negatively associated with having ≥ 4 sexual intercourses with female partners in the previous four weeks (0.54 [0.27-1.06] vs. no intercourse). Establishing official relationships with women might be a strategy for young and/or stigmatized MSMW to comply with social pressure to display a heterosexual lifestyle. However, this seems to increase the risk of HIV transmission to female partners. In the present study, almost half of MSMW were at HBRMF. This result stresses the need to adapt HIV research and prevention to MSMW and their female partners., (© 2023. The Author(s).)
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- 2024
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14. Entre science et engagement : les défis de la recherche communautaire au sein du réseau Coalition PLUS.
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Lorente N, Di Ciaccio M, Riegel L, Kretzer L, Niyongabo A, G Dondbzanga BD, Bourhaba O, Appfel Font O, Iova C, Spire B, Casabona J, Delabre RM, and Rojas Castro D
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- Humans, Organizations, Research
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Community-based research, that is, the meaningful involvement of affected populations in the production of scientific knowledge that concerns them, is a political struggle and an ethical necessity. Coalition PLUS, an international network of organizations (most of them NGOs) fighting against HIV and hepatitis, created a community-based research laboratory (CBRL) composed of people from more than sixteen countries and various disciplinary fields. The objectives of the CBLR are to build research capacity, ensure collaboration with local and international academic research centers, and develop international research projects. The CBRL acts as a bridge between different partners, reconciling sometimes divergent interests, and must provide mediation and support to promote dialogue, transparency, and a relationship of trust between the communities and academic researchers. However, the need for scientific legitimacy obliges us to continuously seek a balance between responding to the needs of the field and using rigorous scientific methods, while optimizing and prioritizing existing resources. The permanent quest for this balance has led the CBRL to reorganize its mode of operation to optimize existing synergies with academic research laboratories, with a view to asserting its scientific legitimacy and continuing to contribute to social transformation through community-based research that is both innovative and of high quality. This paper provides a critical reflection on the issues, challenges, practices, and solutions of community-based research within the Coalition PLUS network.
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- 2024
15. How Community-Based Organizations Responded to the Covid-19 Crisis to Maintain HIV Services Among Vulnerable Populations in Burundi, Mauritania, and Lebanon: Qualitative Results From the Multicountry EPIC Program.
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Di Ciaccio M, Bourhaba O, Khoury C, Assi A, Abu Zaki S, Lorente N, Castro Avila J, Niyongabo A, Gakima D, Diouh A, Riegel L, Ben Moussa A, Girard G, Karkouri M, Delabre RM, and Rojas Castro D
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- Humans, Lebanon epidemiology, Burundi epidemiology, Female, Male, Mauritania epidemiology, Adult, SARS-CoV-2, Telemedicine statistics & numerical data, Middle Aged, Community Health Services statistics & numerical data, HIV Infections epidemiology, COVID-19 epidemiology, COVID-19 prevention & control, Qualitative Research, Vulnerable Populations statistics & numerical data, Community Health Workers
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Little is known about the adaption of community-based organizations (CBOs) during the COVID-19 crisis. This study aimed to study how HIV CBOs and their community health workers (CHWs) faced the COVID-19 outbreak. Semi-structured interviews (n = 53) were conducted among CHWs in Burundi, Mauritania, and Lebanon in 2021. A thematic content analysis was performed. Results showed that CBOs had succeeded in maintaining HIV services and integrated COVID-19 prevention and awareness in their activities. COVID-19 led to innovation in terms of HIV services (eg, telemedicine and online psychosocial support) and to opportunities to try new modalities of antiretroviral therapy dispensation. Field workers (a specific group among CHWs) were negatively impacted by the COVID-19 crisis and showed resilience in their adaptation to ensure the continuity of their activities. Considering the essential role of field workers during the crisis, their status and the sustainability of their activities should be clearly supported by health policies and programs., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
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- 2024
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16. Impact of the COVID-19 Health Crisis on Key Populations at Higher Risk for, or Living With, HIV or Hepatitis C Virus and People Working With These Populations: Multicountry Community-Based Research Study Protocol (EPIC Program).
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Delabre RM, Di Ciaccio M, Lorente N, Villes V, Castro Avila J, Yattassaye A, Bonifaz C, Ben Moussa A, Sikitu IZ, Khodabocus N, Freitas R, Spire B, Veras MA, Sagaon-Teyssier L, Girard G, Roux P, Velter A, Delpech V, Ghosn J, Riegel L, and Rojas Castro D
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Background: Information concerning the impact of the COVID-19 health crisis on populations most affected by HIV and hepatitis C virus (HCV; or key populations [KP]), and those working with these populations in community settings, is limited. Community-based organizations working in the field of HIV and viral hepatitis are well placed to identify and meet the new needs of KP owing to the health crisis., Objective: This study aims to describe the development and implementation of an exploratory and descriptive multicountry, community-based research program, EPIC (Enquêtes Pour évaluer l'Impact de la crise sanitaire covid en milieu Communautaire), within an international network of community-based organizations involved in the response to HIV and viral hepatitis. The EPIC program aimed to study the impact of the COVID-19 health crisis on KP or people living with HIV or HCV and people working with these populations at the community level (community health workers [CHWs]) and to identify the key innovations and adaptations in HIV and HCV services., Methods: A general protocol and study documents were developed and shared within the Coalition PLUS network. The protocol had a built-in flexibility that allowed participating organizations to adapt the study to local needs in terms of the target population and specific themes of interest. Data were collected using surveys or interviews., Results: From July 2020 to May 2022, a total of 79 organizations participated in the EPIC program. Across 32 countries, 118 studies were conducted: 66 quantitative (n=12,060 among KP or people living with HIV or people living with HCV and n=811 among CHWs) and 52 qualitative (n=766 among KP or people living with HIV or people living with HCV and n=136 among CHWs)., Conclusions: The results of the EPIC program will provide data to describe the impact of the health crisis on KP and CHWs and identify their emerging needs. Documentation of innovative solutions that were put into place in this context may help improve the provision of services after COVID-19 and for future health crises., International Registered Report Identifier (irrid): DERR1-10.2196/45204., (©Rosemary M Delabre, Marion Di Ciaccio, Nicolas Lorente, Virginie Villes, Juliana Castro Avila, Adam Yattassaye, César Bonifaz, Amal Ben Moussa, Ingrid-Zaïre Sikitu, Niloufer Khodabocus, Rosa Freitas, Bruno Spire, Maria Amélia Veras, Luis Sagaon-Teyssier, Gabriel Girard, Perrine Roux, Annie Velter, Valérie Delpech, Jade Ghosn, Lucas Riegel, Daniela Rojas Castro. Originally published in JMIR Research Protocols (https://www.researchprotocols.org), 14.12.2023.)
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- 2023
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17. Resilience outcomes and associated factors among workers in community-based HIV care centres during the Covid-19 pandemic: A multi-country analysis from the EPIC program.
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Di Ciaccio M, Lorente N, Villes V, Maxence AA, Vargas Pelaez CM, Guillen JR, Castillo I, Folch C, Diagne R, Riegel L, Delabre RM, and Rojas Castro D
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Introduction: Community health workers (CHW) were integral in the COVID-19 response, particularly concerning services for populations vulnerable to HIV. Little is known regarding the mental health of CHW during the COVID-19 crisis. The objective of this study was to study resilience of CHW working in HIV non-governmental organizations., Methods: An anonymous online, cross-sectional questionnaire was implemented during 2021 among CHW in Benin, Colombia, Guatemala, and Spain. Three scales were used to assess mental health: the 6-item Brief-Resilience Scale, the 9-item Patient Scale Questionnaire and the 7-item Generalized-Anxiety-Disorder scale. Logistic regression models were used to identify factors associated with "low" resilience vs "normal" or "high" resilience., Results: Among 295 respondents, the median standardized resilience score was 58.33 (IQR = [50.0-75.0], n = 267), 18.52 (IQR = [7.4-33.3], n = 282) for standardized depression score and 19.05 (IQR = [4.8-33.3], n = 274) for standardized anxiety score. Standardized resilience score was negatively correlated with standardized anxiety score (rho = -0.49, p < 0.001, n = 266) and standardized depression score (rho = -0.44, p < 0.001, n = 267)., Conclusions: Normal or high level of resiliency in the HIV CHW were observed during the COVID-19 crisis. Self-efficacy, through COVID-19 prevention training, was a factor associated with resilience. Health policy must place CHW at the core of the healthcare system response to Covid-19 and to future health emergencies, as they ensure continuity of care for many diseases including HIV among vulnerable populations., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2023 The Authors. Published by Elsevier B.V.)
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- 2023
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18. Human Immunodeficiency Virus Seroconversion Among Men Who Have Sex With Men Who Use Event-Driven or Daily Oral Pre-Exposure Prophylaxis (CohMSM-PrEP): A Multi-Country Demonstration Study From West Africa.
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Laurent C, Yaya I, Cuer B, Sagaon-Teyssier L, Mensah E, Dah TTE, Coulibaly A, Kouamé MJ, Peytavin G, Serrano L, Eubanks A, Traoré I, Diallo F, Riegel L, Rojas Castro D, Dagnra CA, Anoma C, Vuylsteke B, Dembélé Keita B, and Spire B
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- Male, Humans, Homosexuality, Male, Prospective Studies, Seroconversion, Burkina Faso, HIV, HIV Infections epidemiology, HIV Infections prevention & control, HIV Infections drug therapy, HIV Seropositivity epidemiology, HIV Seropositivity drug therapy, Pre-Exposure Prophylaxis, Anti-HIV Agents therapeutic use, Sexual and Gender Minorities
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Background: Data on human immunodeficiency virus (HIV) seroconversion among men who have sex with men (MSM) using pre-exposure prophylaxis (PrEP) in West Africa are needed. This study aimed to document HIV seroconversion and associated determinants, PrEP adherence, plasma drug concentrations, and HIV drug resistance in MSM using event-driven or daily PrEP in Burkina Faso, Côte d'Ivoire, Mali, and Togo., Methods: A prospective cohort study was conducted in 2017-2021 among HIV-seronegative MSM aged 18 or over who were at high risk of HIV infection. Participants could choose between event-driven and daily PrEP, switch regimens, and discontinue or restart PrEP. The determinants of HIV incidence were investigated using a multivariate mixed-effects Poisson regression analysis., Results: A total of 647 participants were followed for a total time of 1229.3 person-years. Of 5371 visits, event-driven PrEP was chosen in 3873 (72.1%), and daily PrEP in 1400 (26.1%). HIV incidence was 2.4 per 100 person-years (95% confidence interval [CI] 1.5-3.6) for event-driven PrEP, and 0.6 per 100 person-years (95% CI .1-2.3) for daily PrEP (adjusted incidence rate ratio 4.40, 95% CI 1.00-19.36, P = .050). Adequate adherence was lower with event-driven than daily PrEP (44.3% vs 74.9%, P < .001). Plasma drug concentrations were undetectable in 92 (97.9%) of the 94 measures taken for 23 participants who seroconverted. Only 1 participant had resistance to PrEP drugs., Conclusions: HIV seroconversions mainly occurred in participants who chose event-driven PrEP. The study's data highlighted major difficulties with adherence to this regimen. Improving adherence to event-driven PrEP constitutes a major research and public health priority in this context., Competing Interests: Potential conflicts of interest. G. P. has received travel grants or contracts, fees for conferences, and consultancy fees from various pharmaceutical companies, including Gilead Sciences, MSD France, Pfizer, Takeda, and ViiV Healthcare. G. P. also reports participation in Data Safety Monitoring or Advisory Boards for Gilead Sciences and ViiV Healthcare. C. L. has received a travel grant and fees for a meeting from Gilead Sciences. All other authors report no potential conflicts. All authors have submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Conflicts that the editors consider relevant to the content of the manuscript have been disclosed., (© The Author(s) 2023. Published by Oxford University Press on behalf of Infectious Diseases Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
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- 2023
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19. Aging Has Economic Costs to North Carolina Workers, Taxpayers, and Small Business Owners.
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Olender M and Riegel L
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Retirement security is deeply connected with health security for older adults, and public policy needs to incorporate these interrelationships more fully., Competing Interests: Disclosure of interests: L.R. served as guest editor for this issue of the North Carolina Medical Journal. No further interests were disclosed., (Copyright ©2023 by the North Carolina Institute of Medicine and The Duke Endowment. All rights reserved.)
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- 2023
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20. "It's about moving people." A Conversation with Ryan Brumfield of NCDOT's Integrated Mobility Division.
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Riegel L and Brumfield R
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Interview conducted by Lisa Riegel As the population of North Carolina ages, the state Department of Transportation is increasing its focus on safe and equitable mobility. Lisa Riegel of AARP North Carolina, guest editor of this issue of the North Carolina Medical Journal , interviewed NCDOT Integrated Mobility Division Director Ryan Brumfield about this work., Competing Interests: Disclosure of interests: L.R. served as guest editor for this issue of the North Carolina Medical Journal. No further interests were disclosed., (Copyright ©2023 by the North Carolina Institute of Medicine and The Duke Endowment. All rights reserved.)
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- 2023
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21. Opportunities and Barriers to Healthy Aging in North Carolina.
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Riegel L, Baker T, and Streets D
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In this issue of the North Carolina Medical Journal , authors highlight the challenges and opportunities facing North Carolinians as they strive to live healthier, longer, productive lives. The articles shine light on how individuals, caregivers, and the state as a whole can address the fiscal impact of providing services for the most vulnerable, while also promoting the well-being of all., Competing Interests: Disclosure of interests: T.B. and D.S. are serving as co-chairs of the Task Force on Healthy Aging; L.R. serves as a steering committee member for the task force. No further interests were disclosed., (Copyright ©2023 by the North Carolina Institute of Medicine and The Duke Endowment. All rights reserved.)
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- 2023
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22. Impacts of fast production of afucosylated antibodies and Fc mutants in ExpiCHO-S™ for enhancing FcγRIIIa binding and NK cell activation.
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Zhong X, Schenk J, Sakorafas P, Chamberland J, Tam A, Thomas LM, Yan G, D' Antona AM, Lin L, Nocula-Lugowska M, Zhang Y, Sousa E, Cohen J, Gu L, Abel M, Donahue J, Lim S, Meade C, Zhou J, Riegel L, Birch A, Fennell BJ, Franklin E, Gomes JM, Tzvetkova B, and Scarcelli JJ
- Subjects
- Humans, Animals, Mice, Mammals, Immunoglobulin G genetics, Killer Cells, Natural
- Abstract
This study has employed mammalian transient expression systems to generate afucosylated antibodies and antibody Fc mutants for rapid candidate screening in discovery and early development. While chemical treatment with the fucose analogue 2-fluoro-peracetyl-fucose during transient expression only partially produced antibodies with afucosylated N-glycans, the genetic inactivation of the FUT8 gene in ExpiCHO-S™ by CRISPR/Cas9 enabled the transient production of fully afucosylated antibodies. Human IgG
1 and murine IgG2a generated by the ExpiCHOfut8KO cell line possessed a 8-to-11-fold enhanced FcγRIIIa binding activity in comparison with those produced by ExpiCHO-S™. The Fc mutant S239D/S298A/I332E produced by ExpiCHO-S™ had an approximate 2-fold higher FcγRIIIa affinity than that of the afucosylated wildtype molecule, although it displayed significantly lower thermal-stability. When the Fc mutant was produced in the ExpiCHOfut8KO cell line, the resulting afucosylated Fc mutant antibody had an additional approximate 6-fold increase in FcγRIIIa binding affinity. This synergistic effect between afucosylation and the Fc mutations was further verified by a natural killer (NK) cell activation assay. Together, these results have not only established an efficient large-scale transient CHO system for rapid production of afucosylated antibodies, but also confirmed a cooperative impact between afucosylation and Fc mutations on FcγRIIIa binding and NK cell activation., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. Conflicts of interest The authors declare no financial or commercial conflict of interest., (Copyright © 2022 Pfizer Inc. Published by Elsevier B.V. All rights reserved.)- Published
- 2022
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23. Rate and Predictors of Ineffective HIV Protection in African Men Who Have Sex with Men Taking Pre-Exposure Prophylaxis.
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Eubanks A, Coulibaly B, Dembélé Keita B, Anoma C, Dah TTE, Mensah E, Maradan G, Bourrelly M, Mora M, Riegel L, Rojas Castro D, Yaya I, Spire B, Laurent C, and Sagaon-Teyssier L
- Subjects
- Burkina Faso epidemiology, Cohort Studies, Homosexuality, Male, Humans, Male, Prospective Studies, Anti-HIV Agents therapeutic use, HIV Infections drug therapy, HIV Infections prevention & control, Pre-Exposure Prophylaxis, Sexual and Gender Minorities
- Abstract
We investigated the rate and predictors of ineffective HIV protection in men who have sex with men (MSM) taking pre-exposure prophylaxis (PrEP) in a prospective cohort study from November 2017 to November 2020 in Mali, Côte d'Ivoire, Burkina Faso, and Togo. MSM had to be 18 years or older and at high risk of HIV infection to participate. They also received a comprehensive sexual health prevention package, including PrEP, in community-based clinics as part of the cohort study. Using socio-behavioral/clinical data, HIV protection during their most recent anal intercourse with a male partner was categorized as effective or ineffective (i.e., incorrect PrEP adherence and no condom use). Seventeen percent (500/2839) of intercourses were ineffectively protected for the 520 study participants. Predictors of ineffective HIV protection included being an event-driven user with financial difficulties, having a high alcohol misuse score, and not being a member of a community association. PrEP programs in West Africa must be tailored to socially vulnerable MSM who struggle to adopt PrEP., (© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2022
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24. Loss to Follow-Up from HIV Pre-Exposure Prophylaxis Care in Men Who Have Sex with Men in West Africa.
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Eubanks A, Coulibaly B, Keita BD, Anoma C, Dah TTE, Mensah E, Maradan G, Bourrelly M, Mora M, Riegel L, Rojas Castro D, Yaya I, Spire B, Laurent C, Sagaon-Teyssier L, and The CohMSM-PrEP Study Group
- Subjects
- Male, Humans, Homosexuality, Male, Prospective Studies, Follow-Up Studies, Burkina Faso epidemiology, Pre-Exposure Prophylaxis, HIV Infections epidemiology, HIV Infections prevention & control, HIV Infections drug therapy, Sexual and Gender Minorities, Anti-HIV Agents therapeutic use
- Abstract
Loss to follow-up (LTFU) from HIV pre-exposure prophylaxis (PrEP) care compromises the goal of HIV elimination. We investigated the proportion of LTFU and associated risk factors among men who have sex with men (MSM) enrolled in a PrEP demonstration project in Burkina Faso, Côte d'Ivoire, Mali, and Togo. CohMSM-PrEP, a prospective cohort study, was conducted between November 2017 and June 2021 in community-based clinics. MSM aged 18 years or older at substantial risk of HIV infection received a comprehensive prevention package, including PrEP and peer education. LTFU was defined as not returning to the clinic for six months. Associated risk factors were investigated using a time-varying Cox's model. Of 647 participants followed up for a median time of 15 months, 372 were LTFU (57.5%). LTFU was associated with younger age (adjusted hazard ratio [95% Confidence Interval]; 1.50 [1.17-1.94]), unemployment (1.33 [1.03-1.71]), depression (1.63 [1.12-2.38]), and perceiving no HIV risk with stable male partners (1.61 [1.23-2.10]). Contacting peer educators outside of scheduled visits was protective (0.74 [0.56-0.97]). Our findings show that LTFU from PrEP care in West African MSM is a major challenge to achieving HIV elimination, but that the involvement of peer educators in PrEP delivery helps to limit LTFU by providing users with adequate support.
- Published
- 2022
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25. Socio-behavioral correlates of pre-exposure prophylaxis use and correct adherence in men who have sex with men in West Africa.
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Eubanks A, Coulibaly B, Dembélé Keita B, Anoma C, Dah TTE, Mensah E, Kaba S, Lokrou KJ, Ouedraogo FR, Badjassim AMF, Maradan G, Bourrelly M, Mora M, Riegel L, Rojas Castro D, Yaya I, Spire B, Laurent C, and Sagaon-Teyssier L
- Subjects
- Burkina Faso, Homosexuality, Male, Humans, Male, Medication Adherence, Sexual Behavior, Anti-HIV Agents, HIV Infections prevention & control, Pre-Exposure Prophylaxis, Sexual and Gender Minorities
- Abstract
Background: Multiple barriers compromise pre-exposure prophylaxis (PrEP) engagement (i.e., use and adherence) in men who have sex with men (MSM). In low/middle-income countries, little is known about PrEP engagement in this population. In West Africa, the CohMSM-PrEP study was one of the rare interventions providing PrEP to MSM. We estimated PrEP use and correct adherence rates in CohMSM-PrEP, together with associated factors over time. METHODS: CohMSM-PrEP recruited MSM in four community-based clinics in Mali, Côte d'Ivoire, Burkina Faso, and Togo. Quarterly follow-up included collecting socio-behavioral data, and providing a comprehensive HIV prevention package, PrEP (daily or event-driven), and peer educator (PE)-led counselling. Using repeated measures, multivariate generalized estimating equations models were used to identify factors associated with self-reported i) PrEP use and ii) correct PrEP adherence during participants' most recent anal intercourse (defined as four pills/week for daily users and 2 + 1 + 1 for event-driven users)., Results: Five hundred twenty participants were included with a median follow-up time of 12 months (IQR 6-21). Of the 2839 intercourses declared over the follow-up period, PrEP use was self-reported for 1996 (70%), and correct PrEP adherence for 1461 (73%) of the latter. PrEP use was higher in participants who also attended participating clinics outside of scheduled visits (adjusted odds ratio (aOR) [95% Confidence Interval, CI], p-value; 1.32[1.01-1.71], 0.040), and in those who practiced condomless anal sex (1.86[1.54-2.24], < 0.001). Correct adherence was higher in those who often contacted PE outside of scheduled visits (2.16[1.01-4.64], 0.047) and in participants who adopted receptive/versatile sexual positions with stable partners (1.36[1.03-1.81], 0.030). Instead, after an interaction effect between financial situation and regimen was tested, it was lower in event-driven users with a difficult/very difficult financial situation (comfortable/just making ends meet & daily, 4.19[2.56-6.86], < 0.001; difficult/very difficult & daily, 6.47[4.05-10.30], < 0.001; comfortable/just making ends meet & event-driven, 1.63[1.22-2.17], 0.001), and in participants who felt alone (0.76[0.58-0.99], 0.042)., Conclusions: Community-based clinic attendance and PE contact outside of scheduled visits were both associated with higher PrEP engagement, but some socially and economically marginalized participants struggled with adherence. As scale-up continues in West Africa, we recommend implementing community-based interventions and providing extra support for vulnerable users to ensure adequate PrEP engagement., (© 2022. The Author(s).)
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- 2022
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26. La recherche communautaire en temps de pandémie : retour sur l’étude multi-pays EPIC.
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Riegel L, Di Ciaccio M, Ben Moussa A, Velter A, Acosta ME, Villes V, Castro Avila J, Lorente N, Cerveau T, Sikitu I, Yattassaye A, Khodabocus N, Michels D, Veras MA, Delpech V, Spire B, Delabre RM, Le Groupe de Travail Epic, and Rojas Castro D
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- Humans, Pandemics, COVID-19 epidemiology, HIV Infections epidemiology, Hepatitis, Viral, Human epidemiology, Sex Workers
- Abstract
In 2020, the COVID-19 health crisis affected all regions of the world, not sparing people already vulnerable to other viral epidemics such as HIV or HCV and/or those in precarious or socially marginalized situations. This is particularly the case for drug users or sex workers.Coalition PLUS, a network of associations fighting against HIV and viral hepatitis which defends and promotes the community-based approach, and its partners, have set up a multi-country community-based research project aimed at documenting the impact of the health crisis on the fight against HIV and viral hepatitis (key populations and community workers/activists), as well as the community responses put in place (EPIC survey).The objective of this paper is to reflect on the implementation of this community-based research study during the COVID-19 health crisis, and in particular the unforeseen difficulties to which the community-based research process had to confront and adapt. The goal is to draw lessons on what worked (and what did not work) in order to capitalize on community-based research practices during this pandemic and subsequently, facilitate the implementation of new research projects in similar contexts.
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- 2022
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27. HIV pre-exposure prophylaxis for men who have sex with men in west Africa: a multicountry demonstration study.
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Laurent C, Dembélé Keita B, Yaya I, Le Guicher G, Sagaon-Teyssier L, Agboyibor MK, Coulibaly A, Traoré I, Malan JB, De Baetselier I, Eubanks A, Riegel L, Rojas Castro D, Fayé-Ketté H, Koné A, Diandé S, Dagnra CA, Serrano L, Diallo F, Mensah E, Dah TTE, Anoma C, Vuylsteke B, and Spire B
- Subjects
- Adult, Africa, Western, Emtricitabine therapeutic use, HIV Infections psychology, Homosexuality, Male psychology, Humans, Male, Pilot Projects, Pre-Exposure Prophylaxis, Prospective Studies, Sexual Behavior, Tenofovir therapeutic use, Young Adult, Anti-HIV Agents therapeutic use, HIV Infections prevention & control, Homosexuality, Male statistics & numerical data
- Abstract
Background: HIV pre-exposure prophylaxis (PrEP) data in men who have sex with men (MSM) in west Africa are essential to guide its large-scale implementation. We assessed the uptake of event-driven and daily PrEP, HIV incidence, and changes over time in sexual behaviours and prevalence of bacterial sexually transmitted infections (STIs) in MSM in Burkina Faso, Côte d'Ivoire, Mali, and Togo., Methods: We did a prospective cohort study from Nov 20, 2017, to April 14, 2020, in four community-based clinics in Abidjan (Côte d'Ivoire), Bamako (Mali), Lomé (Togo), and Ouagadougou (Burkina Faso). Participants were MSM aged 18 years or older at substantial risk of HIV infection. Participants could choose between event-driven (2+1+1 dosing) and daily oral PrEP (tenofovir disoproxil fumarate 300 mg plus emtricitabine 200 mg), switch regimen, and discontinue or restart PrEP. We compared HIV incidence in this study with that of the same cohort before the availability of PrEP (CohMSM). Statistical analysis included the Kaplan-Meier method and mixed-effects regression models. This study is registered with ClinicalTrials.gov, NCT03459157., Findings: We followed up 598 participants for a total of 743·6 person-years. At enrolment, 445 (74%) of 598 participants chose event-driven PrEP and 153 (26%) of 598 chose daily PrEP. 60 (13%) of 445 and 65 (42%) of 153 participants switched PrEP regimen at least once (p<0·0001). 159 participants (27%) were lost to follow-up. Overall HIV incidence was 2·3 per 100 person-years (95% CI 1·3-3·7; adjusted incidence rate ratio 0·21, 95% CI 0·12-0·36 compared with CohMSM). Adherence was optimal in 802 (41%) of 1946 measures with event-driven PrEP and in 394 (71%) of 554 measures with daily PrEP (p<0·0001). Coverage of sex acts with PrEP only and PrEP and condom decreased during follow-up (p=0·039 if PrEP only; p=0·0025 if PrEP and condom). The frequency of condomless anal sex remained stable (p=0·96). The number of male sexual partners (p<0·0001) and number of sex acts with casual male partners (p=0·0014 for 1-4 sex acts in previous 4 weeks; p=0·030 for ≥5 sex acts) decreased. The prevalence of gonorrhoea, chlamydia, and syphilis remained stable., Interpretation: PrEP availability helped prevent HIV infection and did not lead to an increase in risky sexual behaviours or other STIs. PrEP should be urgently implemented in west Africa. Retention in care and PrEP adherence require special attention to ensure PrEP reaches its full prevention potential., Funding: ANRS and Expertise France., Translation: For the French translation of the abstract see Supplementary Materials section., Competing Interests: Declaration of interests We declare no competing interests., (Copyright © 2021 Elsevier Ltd. All rights reserved.)
- Published
- 2021
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28. Homonegativity, sexual violence and condom use with women in men who have sex with men and women in West Africa.
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Fiorentino M, Eubanks A, Coulaud PJ, Couderc C, Keita BD, Anoma C, Dah E, Mensah E, Maradan G, Bourrelly M, Riegel L, Rojas-Castro D, Yaya I, Spire B, Laurent C, and Sagaon-Teyssier L
- Subjects
- Burkina Faso, Condoms, Cote d'Ivoire epidemiology, Female, France, Homosexuality, Male, Humans, Male, Sexual Behavior, Sexual Partners, Togo, HIV Infections prevention & control, Sex Offenses, Sexual and Gender Minorities
- Abstract
Objective: The study aimed to explore longitudinal interactions between homonegativity and sexual behaviors with female partners among HIV-negative West African men who have sex with men and women (MSMW)., Design and Method: The community-based cohort CohMSM ANRS 12324 - Expertise France enrolled MSM in Togo, Burkina Faso, Côte d'Ivoire and Mali. Sociobehavioral data were collected every 6 months. Using 30-month follow-up data, a multiprobit analysis was performed to investigate the relationship between psychosocial and behavioral variables ex-ante (t - 1) and ex-post (t)., Results: MSMW (n = 326) accounted for half of all participants in CohMSM. They reported inconsistent condom use with women in 39% of visits. Perceived and internalized homonegativity at t - 1 tended to lead to sexual violence toward women at t (P < 0.1), which was associated with inconsistent condom use with them at t (P < 0.05)., Conclusion: Given the high HIV prevalence in West African MSM, widespread condom-less sex with women in MSMW, and the aggravating effect of social and internalized homonegativity, more research in the MSMW subpopulation is needed to assess the risk of HIV bridging to women and to design support activities., (Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2021
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29. Reaching a Different Population of MSM in West Africa With the Integration of PrEP Into a Comprehensive Prevention Package (CohMSM-PrEP ANRS 12369-Expertise France).
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Eubanks A, Dembélé Keita B, Anoma C, Dah TTE, Mensah E, Maradan G, Bourrelly M, Mora M, Riegel L, Rojas Castro D, Yaya I, Spire B, Laurent C, and Sagaon-Teyssier L
- Subjects
- Africa, Western, Anti-HIV Agents administration & dosage, Homosexuality, Male, Humans, Male, Odds Ratio, Risk Factors, Unsafe Sex, Anti-HIV Agents pharmacology, HIV Infections prevention & control, Pre-Exposure Prophylaxis
- Abstract
Background: In West Africa, few HIV services target men who have sex with men (MSM). In 2015, the interventional cohort CohMSM started offering a community-based prevention package for MSM. Participants expressed interest in pre-exposure prophylaxis (PrEP) and their eligibility was demonstrated. In 2017, PrEP was added to services already offered as part of a new program, CohMSM-PrEP, which recruited CohMSM participants and new participants. We aimed to determine whether the introduction of PrEP as an additional prevention tool influenced the type of participant signing up for CohMSM-PrEP., Methods: CohMSM-PrEP recruited HIV-negative MSM in community-based clinics in Mali, Cote d'Ivoire, Burkina Faso, and Togo. Quarterly follow-up included free clinical examinations, PrEP, HIV/sexually transmitted infection screening, peer education, condoms, and lubricants. Sociobehavioral data were collected every 3 months using face-to-face questionnaires. Our outcome was participant type: new participants vs CohMSM participants. Logistic regression was performed to identify the factors associated with being a new participant., Results: Of the 524 MSM included in CohMSM-PrEP, 41% were new participants. After adjustment, multivariate analysis showed they were more socioeconomically disadvantaged with financial insecurity, social isolation-including isolation within the MSM community-and riskier sexual practices., Conclusion: The introduction of PrEP as an additional prevention tool and the use of peer-based outreach services over time influenced the type of participant signing up for a community-based HIV prevention cohort in West Africa. Adding these elements to existing interventions in Sub-Saharan Africa could be the key to reaching MSM marginalized from HIV prevention and care programs.
- Published
- 2020
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30. Author Correction: Towards an arthritis flare-responsive drug delivery system.
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Joshi N, Yan J, Levy S, Bhagchandani S, Slaughter KV, Sherman NE, Amirault J, Wang Y, Riegel L, He X, Rui TS, Valic M, Vemula PK, Miranda OR, Levy O, Gravallese EM, Aliprantis AO, Ermann J, and Karp JM
- Abstract
In the original version of this Article, financial support was not fully acknowledged. The PDF and HTML versions of the Article have now been corrected to include support from the National Football League Players Association.
- Published
- 2018
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31. Towards an arthritis flare-responsive drug delivery system.
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Joshi N, Yan J, Levy S, Bhagchandani S, Slaughter KV, Sherman NE, Amirault J, Wang Y, Riegel L, He X, Rui TS, Valic M, Vemula PK, Miranda OR, Levy O, Gravallese EM, Aliprantis AO, Ermann J, and Karp JM
- Subjects
- Animals, Anti-Inflammatory Agents administration & dosage, Arthritis, Rheumatoid metabolism, Biocompatible Materials chemistry, Chondrocytes cytology, Drug Liberation, Humans, Hydrogels chemistry, Male, Mice, Mice, Inbred C57BL, Monocytes cytology, Symptom Flare Up, Synovial Fluid, Synoviocytes cytology, Triamcinolone Acetonide administration & dosage, Arthritis, Rheumatoid drug therapy, Drug Delivery Systems, Inflammation drug therapy
- Abstract
Local delivery of therapeutics for the treatment of inflammatory arthritis (IA) is limited by short intra-articular half-lives. Since IA severity often fluctuates over time, a local drug delivery method that titrates drug release to arthritis activity would represent an attractive paradigm in IA therapy. Here we report the development of a hydrogel platform that exhibits disassembly and drug release controlled by the concentration of enzymes expressed during arthritis flares. In vitro, hydrogel loaded with triamcinolone acetonide (TA) releases drug on-demand upon exposure to enzymes or synovial fluid from patients with rheumatoid arthritis. In arthritic mice, hydrogel loaded with a fluorescent dye demonstrates flare-dependent disassembly measured as loss of fluorescence. Moreover, a single dose of TA-loaded hydrogel but not the equivalent dose of locally injected free TA reduces arthritis activity in the injected paw. Together, our data suggest flare-responsive hydrogel as a promising next-generation drug delivery approach for the treatment of IA.
- Published
- 2018
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32. Approaches to academic growth assessment.
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Anderman EM, Gimbert B, O'Connell AA, and Riegel L
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- Humans, Cognition physiology, Learning physiology, Mathematics, School Teachers, Schools legislation & jurisprudence, Students psychology
- Abstract
Background: There is much interest in assessing growth in student learning. Assessments of growth have important implications and affect many policy decisions at many levels., Aims: In the present article, we review some of the different approaches to measuring growth and examine the implications of their usage., Sample: Samples used in research on growth models typically include students enrolled in public schools that primarily serve kindergarten through the 12th grade., Method: Definitions of growth and gain are reviewed, and five types of growth models are examined: (1) Student Gain Score Model, (2) The Covariate Adjustment Model, (3) The Student Percentile Gain Model - referred to as single-wave value-added models, (4) Univariate Value-Added Response Models, and (5) Multivariate Value-Added Response Models., Results: Modelling approaches are vastly different, whereas Student Gain Models are mathematically and conceptually simple, Multivariate Models are highly complex., Conclusion: Educators assessing growth must make critical decisions about measurement. The type of instrument that is selected and the type of analytic techniques selected are of great importance. Growth must be considered from technical, pedagogical, and policy perspectives., (© 2014 The British Psychological Society.)
- Published
- 2015
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33. Vertebral osteomyelitis and suspected diskospondylitis in an Atlantic bottlenose dolphin (Tursiops truncatus).
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Alexander JW, Solangi MA, and Riegel LS
- Subjects
- Ampicillin therapeutic use, Animals, Discitis diagnosis, Discitis drug therapy, Drug Therapy, Combination therapeutic use, Gentamicins therapeutic use, Lumbosacral Region, Male, Osteomyelitis diagnosis, Osteomyelitis drug therapy, Spinal Diseases diagnosis, Spinal Diseases drug therapy, Syndrome veterinary, Discitis veterinary, Dolphins, Osteomyelitis veterinary, Spinal Diseases veterinary
- Abstract
A 21-yr-old male Atlantic bottlenose dolphin (Tursiops truncatus) was performing at an aquatic park when it developed a soft tissue swelling anterior to the flukes. Subsequent radiographic evaluation revealed the animal to have vertebral osteomyelitis and suspected diskospondylitis. The case was successfully managed with long-term antibiotic therapy.
- Published
- 1989
- Full Text
- View/download PDF
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