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1. Human Fetal Cell Therapy in Huntington's Disease: A Randomized, Multicenter, Phase <scp>II</scp> Trial

Author

Bachoud-Lévi, Anne-Catherine, Schramm, Catherine, Remy, Philippe, Aubin, Ghislaine, Blond, Serge, Bocket, Laurence, Brugières, Pierre, Calvas, Fabienne, Calvier, Elisabeth, Cassim, François, Challine, Dominique, Gagou, Clarisse Scherer, De Langavant, Laurent Cleret, Collier, Francis, Cottencin, Olivier, David, Philippe, Damier, Philippe, Delliaux, Marie, Delmaire, Christine, Delval, Arnaud, Démonet, Jean‐François, Descamps, Philippe, Gaura, Véronique, Gohier, Bénédicte, Goldman, Serge, Haddad, Bassam, Izopet, Jacques, Jeny, Roland, Kerr-Conte, Julie, Krystowiak, Pierre, Lalanne, Christophe, Lavisse, Sonia, Lefaucheur, Jean‐Pascal, Lemoine, Laurie, Levivier, Marc, Lotterie, Jean‐Albert, Lunel‐Fabiani, Françoise, Maison, Patrick, Massager, Nicolas, Massart, Renaud, Menei, Philippe, Montero‐Menei, Claudia, Neveu, Isabelle, Parant, Olivier, Pautot, Vivien, Payoux, Pierre, Péréon, Yann, Rialland, Amandine, Rosser, Anne, Rouard, Hélène HR, Schmitz, David, Simonetta‐Moreau, Marion, Simonin, Clémence, Slama, Hichem, Sol, Jean‐Christophe, Supiot, Frédéric, Tanguy, Jean‐Yves, Tenenbaum, Liliane, Verny, Christophe, Youssov, Katia, Peschanski, Marc, Audureau, Etienne, Palfi, Stéphane, Hantraye, Philippe, Centre de référence maladie de Huntington, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Henri Mondor-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), IMRB - 'NeuroPsychologie Interventionnelle' [Créteil] (U955 Inserm - UPEC), Institut Mondor de Recherche Biomédicale (IMRB), Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Université Paris sciences et lettres (PSL), Université Paris-Est Créteil Val-de-Marne - Faculté de médecine (UPEC Médecine), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), AOM00139 and AOM04021 Direction de la Recherche Clinique, Association Française contre les Myopathies., Collaborators : on behalf the Multicentric Intracerebral Grafting in Huntington's Disease Group : Catherine Schramm, Philippe Remy, Ghislaine Aubin, Serge Blond, Laurence Bocket, Pierre Brugières, Fabienne Calvas, Elisabeth Calvier, François Cassim, Dominique Challine, Clarisse Scherer Gagou, Laurent Cleret de Langavant, Francis Collier, Olivier Cottencin, Philippe David, Philippe Damier, Marie Delliaux, Christine Delmaire, Arnaud Delval, Jean-François Démonet, Philippe Descamps, Véronique Gaura, Bénédicte Gohier, Serge Goldman, Bassam Haddad, Jacques Izopet, Roland Jeny, Julie Kerr-Conte, Pierre Krystowiak, Christophe Lalanne, Sonia Lavisse, Jean-Pascal Lefaucheur, Laurie Lemoine, Marc Levivier, Jean-Albert Lotterie, Françoise Lunel-Fabiani, Patrick Maison, Nicolas Massager, Renaud Massart, Philippe Menei, Claudia Montero-Menei, Isabelle Neveu, Olivier Parant, Vivien Pautot, Pierre Payoux, Yann Pereon, Amandine Rialland, Anne Rosser, Hélène Rouard, David Schmitz, Marion Simonetta-Moreau, Clémence Simonin, Hichem Slama, Jean-Christophe Sol, Frédéric Supiot, Jean-Yves Tanguy, Liliane Tenenbaum, Christophe Verny, Katia Youssov, Marc Peschanski, Etienne Audureau, Stéphane Palfi, Philippe Hantraye., and Montero-Menei, claudia

Subjects
0301 basic medicine, medicine.medical_specialty, Neurology, Huntington s disease, MIG-' HD, Cell- and Tissue-Based Therapy, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, Disease, law.invention, 03 medical and health sciences, 0302 clinical medicine, Huntington's disease, Randomized controlled trial, law, Internal medicine, medicine, Humans, Stage (cooking), Adverse effect, [SDV.BC] Life Sciences [q-bio]/Cellular Biology, business.industry, phase 2 trial, Neurodegenerative Diseases, Sciences bio-médicales et agricoles, medicine.disease, Confidence interval, Transplantation, Huntington Disease, 030104 developmental biology, Neurology (clinical), cell therapy, business, 030217 neurology & neurosurgery
Abstract

Background\ud Huntington's disease is a rare, severe, inherited neurodegenerative disease in which we assessed the safety and efficacy of grafting human fetal ganglionic eminence intrastriatally.\ud \ud Methods\ud Patients at the early stage of the disease were enrolled in the Multicentric Intracerebral Grafting in Huntington's Disease trial, a delayed‐start phase II randomized study. After a run‐in period of 12 months, patients were randomized at month 12 to either the treatment group (transplanted at month 13–month 14) or the control group and secondarily treated 20 months later (month 33–month 34). The primary outcome was total motor score compared between both groups 20 months postrandomization (month 32). Secondary outcomes included clinical, imaging, and electrophysiological findings and a comparison of pregraft and postgraft total motor score slopes during the entire study period (month 0–month 52) regardless of the time of transplant.\ud \ud Results\ud Of 54 randomized patients, 45 were transplanted; 26 immediately (treatment) and 19 delayed (control). Mean total motor score at month 32 did not differ between groups (treated controls difference in means adjusted for M12: +2.9 [95% confidence interval, −2.8 to 8.6]; P = 0.31). Its rate of decline after transplantation was similar to that before transplantation. A total of 27 severe adverse events were recorded in the randomized patients, 10 of which were related to the transplant procedure. Improvement of procedures during the trial significantly decreased the frequency of surgical events.We found antihuman leucocytes antigen antibodies in 40% of the patients.\ud \ud Conclusion\ud No clinical benefit was found in this trial. This may have been related to graft rejection. Ectopia and high track number negatively influence the graft outcome. Procedural adjustments substantially improved surgical safety. (ClinicalTrials.gov NCT00190450.) © 2020 International Parkinson and Movement Disorder Society

Published
2020
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2. Optimized Quantification of Translocator Protein Radioligand 18F-DPA-714 Uptake in the Brain of Genotyped Healthy Volunteers

Author

Michel Bottlaender, Daniel García-Lorenzo, Marie-Anne Peyronneau, Benedetta Bodini, Bruno Stankoff, Philippe Remy, Sonia Lavisse, Bertrand Kuhnast, Claire Thiriez, Claude Comtat, Laboratoire des Maladies Neurodégénératives - UMR 9199 (LMN), Service MIRCEN (MIRCEN), Institut de Biologie François JACOB (JACOB), Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Institut de Biologie François JACOB (JACOB), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut du Cerveau et de la Moëlle Epinière = Brain and Spine Institute (ICM), Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Service Hospitalier Frédéric Joliot (SHFJ), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Imagerie Moléculaire in Vivo (IMIV - U1023 - ERL9218), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Investigation Clinique Henri Mondor (CIC Henri Mondor), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Henri Mondor-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Service de neurologie [Mondor], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Henri Mondor-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Hôpital Lariboisière, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Lariboisière-Fernand-Widal [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Diderot - Paris 7 (UPD7), ANR-08-MNPS-0016,INFLASEP,Imagerie de l'inflammation intracérébrale dans les formes progressives de sclérose en plaques(2008), ANR-10-IAHU-0006,IHU-A-ICM,Institut de Neurosciences Translationnelles de Paris(2010), ANR-11-INBS-0011,NeurATRIS,Infrastructure de Recherche Translationnelle pour les Biothérapies en Neurosciences(2011), Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Institut de Biologie François JACOB (JACOB), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Institut de Biologie François JACOB (JACOB), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS), Institut du Cerveau = Paris Brain Institute (ICM), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), lavisse, sonia, Maladies Neurologiques et Psychiatriques - Imagerie de l'inflammation intracérébrale dans les formes progressives de sclérose en plaques - - INFLASEP2008 - ANR-08-MNPS-0016 - MNP - VALID, Institut de Neurosciences Translationnelles de Paris - - IHU-A-ICM2010 - ANR-10-IAHU-0006 - IAHU - VALID, Infrastructures - Infrastructure de Recherche Translationnelle pour les Biothérapies en Neurosciences - - NeurATRIS2011 - ANR-11-INBS-0011 - INBS - VALID, and Université Paris-Saclay-Institut de Biologie François JACOB (JACOB)

Subjects
Volume of distribution, education.field_of_study, biology, Chemistry, [SDV.NEU.NB]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology, Coefficient of variation, Population, Neurodegeneration, [SDV.NEU.NB] Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology, genotyped human, Pharmacology, medicine.disease, quantification, DPA-714, PET, In vivo, Radioligand, Translocator protein, biology.protein, medicine, Radiology, Nuclear Medicine and imaging, $^{18}$F-DPA-714, education, TSPO
Abstract

International audience; Translocator protein (TSPO) is expressed at a low level in healthy brain and is upregulated during inflammatory processes that may occur in neurodegenerative diseases. Thus, TSPO may be a suitable in vivo indicator of neurodegeneration. Here, we quantified the $^{18}$F-DPA-714 radioligand in healthy TSPO-genotyped volunteers and developed a method to eliminate the need for invasive arterial blood sampling. Methods: Ten controls (7 high-affinity binders [HABs] and 3 mixed-affinity binders [MABs]) underwent $^{18}$F-DPA-714 PET with arterial and venous sampling. $^{18}$F-DPA-714 binding was quantified with a metabolite-corrected arterial plasma input function, using the 1-and 2-tissue-compartment models (TCMs) as well as the Logan analysis to estimate total volume distribution (V$_T$) in the regions of interest. Alternative quantification methods were tested, including tissue-to-plasma ratio or population-based input function approaches normalized by late time points of arterial or venous samples. Results: The distribution pattern of $^{18}$F-DPA-714 was consistent with the known distribution of TSPO in humans, with the thalamus displaying the highest binding and the cerebellum the lowest. The 2-TCM best described the regional kinetics of 18 F-DPA-714 in the brain, with good identifiability (percentage coefficient of variation , 5%). For each region of interest, V$_T$ was 47.6% ± 6.3% higher in HABs than in MABs, and estimates from the 2-TCM and the Logan analyses were highly correlated. Equilibrium was reached at 60 min after injection. V$_T$ calculated with alternative methods using arterial samples was strongly and significantly correlated with that calculated by the 2-TCM. Replacement of arterial with venous sampling in these methods led to a significant but lower correlation. Conclusion: Gen-otyping of subjects is a prerequisite for a reliable quantification of $^{18}$F-DPA-714 PET images. The 2-TCM and the Logan analyses are accurate methods to estimate $^{18}$F-DPA-714 V T in the human brain of both HAB and MAB individuals. Population-based input function and tissue-to-plasma ratio with a single arterial sample are promising alternatives to classic arterial plasma input function. Substitution with venous samples is promising but still requires methodologic improvements.

Published
2015
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