We previously analyzed five trials on ticagrelor/aspirin versus clopidogrel/aspirin in patients with minor stroke/ TIA in a network meta-analysis. We updated our search and identified 311 new citations with one study for inclusion: CHANCE2 enrolled patients with CYP2C19 loss-of-function alleles and randomized them to ticagrelor/aspirin or clopidogrel/aspirin. Pooling of CHANCE2 with the original studies could not be completed due to violation of NMA assumptions, due to significant inconsistency. This suggests patients with CYP2C19 loss-of-function alleles represent a subpopulation that is inherently different from the general stroke population in their antiplatelet response. Results from CHANCE-2 may not be generalizable without genotype testing. Le traitement des petits accidents vasculaires cerebraux et des accidents ischemiques transitoires par la bitherapie : mise a jour d'une meta-analyse en reseau.L'equipe de recherche s'est deja penchee, dans le cadre d'une meta-analyse en reseau (MAR), sur cinq essais de traitement par le ticagrelor et l'aspirine ou par le clopidogrel et l'aspirine chez des patients ayant subi un petit accident vasculaire cerebral ou un accident ischemique transitoire. Elle a ensuite procede a une mise a jour de la recherche et a releve 311 nouvelles citations et retenu une etude, soit CHANCE2, a laquelle ont participe des patients porteurs d'alleles de perte de fonction du CYP2C19 qui ont recu au hasard soit l'association de ticagrelor et d'aspirine, soit l'association de clopidogrel et d'aspirine. Toutefois, la mise en commun de CHANCE2 avec les etudes originales n'a pu etre achevee pour non-respect des hypotheses emises dans la MAR, en raison d'importantes incoherences. Les resultats portent donc a croire que les patients porteurs d'alleles de perte de fonction du CYP2C19 forment un sous-groupe particulier de malades qui reagit d'une maniere fondamentalement differente de la population generale au traitement des AVC par les antiagregants plaquettaires. Aussi se peut-il que les resultats de l'essai CHANCE2 ne soient pas generalisables sans test genotypique.
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Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R ChinaMonash Univ, Sch Clin Sci Monash Hlth, Melbourne, Vic, Australia
Pan, Yuesong
Wang, Yongjun
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Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R ChinaMonash Univ, Sch Clin Sci Monash Hlth, Melbourne, Vic, Australia
Wang, Yongjun
Johnston, S. Claiborne
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Univ Calif San Francisco, San Francisco, CA USA
Harbor Hlth, Austin, TX USAMonash Univ, Sch Clin Sci Monash Hlth, Melbourne, Vic, Australia
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Univ Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, EnglandUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Geeganage, Chamila M.
Diener, Hans-Christoph
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Univ Duisburg Essen, Dept Neurol, Essen, GermanyUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Diener, Hans-Christoph
Algra, Ale
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Univ Med Ctr Utrecht, Dept Neurol & Neurosurg, Utrecht, Netherlands
Univ Med Ctr Utrecht, Julius Ctr, Utrecht, NetherlandsUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Algra, Ale
Chen, Christopher
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Natl Univ Singapore, Dept Pharmacol, Singapore 117548, SingaporeUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Chen, Christopher
Topol, Eric J.
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Scripps Res Inst, La Jolla, CA 92037 USA
Scripps Clin, La Jolla, CA 92037 USAUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Topol, Eric J.
Dengler, Reinhard
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Hannover Med Sch, Dept Neurol & Clin Neurophysiol, D-3000 Hannover, GermanyUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Dengler, Reinhard
Markus, Hugh S.
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St Georges Univ London, Stroke & Dementia Res Ctr, London, EnglandUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Markus, Hugh S.
Bath, Matthew W.
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Univ Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, EnglandUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
Bath, Matthew W.
Bath, Philip M. W.
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Univ Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, EnglandUniv Nottingham, Div Stroke, Stroke Trials Unit, Nottingham NG5 1PB, England
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Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China
Beijing Inst Brain Disorders, Ctr Stroke, Beijing, Peoples R China
Beijing Key Lab Translat Med Cerebrovasc Dis, Beijing, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Wang, Yongjun
Johnston, S. Claiborne
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Univ Texas Austin, Dell Med Sch, Deans Off, Austin, TX 78712 USACapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Johnston, S. Claiborne
Bath, Philip M.
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Univ Nottingham, Div Clin Neurosci, Stroke Trials Unit, Nottingham, EnglandCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Bath, Philip M.
Grotta, James C.
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Mem Hermann Hosp, Clin Innovat & Res Inst, Houston, TX USACapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Grotta, James C.
Pan, Yuesong
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Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China
Beijing Inst Brain Disorders, Ctr Stroke, Beijing, Peoples R China
Beijing Key Lab Translat Med Cerebrovasc Dis, Beijing, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Pan, Yuesong
Amarenco, Pierre
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Sorbonne Univ, Bichat Univ Hosp & Paris Diderot, Dept Neurol & Stroke Ctr, Paris, FranceCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Amarenco, Pierre
Wang, Yilong
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机构:
Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China
Beijing Inst Brain Disorders, Ctr Stroke, Beijing, Peoples R China
Beijing Key Lab Translat Med Cerebrovasc Dis, Beijing, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Wang, Yilong
Simon, Tabassome
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AP HP, Dept Clin Pharmacol & Clin Res Platform East Pari, Paris, France
Sorbonne Univ, Dept Clin Pharmacol, Paris, France
French Alliance Cardiovasc Clin Trials, Paris, FranceCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Simon, Tabassome
Kim, Jong Sung
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Univ Ulsan, Asan Med Ctr, Dept Neurol, Seoul, South KoreaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Kim, Jong Sung
Jeng, Jiann-Shing
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Natl Taiwan Univ Hosp, Dept Neurol, Taipei, Taiwan
Natl Taiwan Univ Hosp, Stroke Ctr, Taipei, TaiwanCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Jeng, Jiann-Shing
Liu, Liping
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Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China
Beijing Inst Brain Disorders, Ctr Stroke, Beijing, Peoples R China
Beijing Key Lab Translat Med Cerebrovasc Dis, Beijing, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Liu, Liping
Lin, Yi
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Fujian Med Univ, Affiliated Hosp 1, Dept Neurol, Fuzhou, Fujian, Peoples R China
Fujian Med Univ, Affiliated Hosp 1, Inst Neurol, Fuzhou, Fujian, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Lin, Yi
Wong, Ka Sing Lawrence
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Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Neurol, Hong Kong, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Wong, Ka Sing Lawrence
Wang, David
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OSF Healthcare Syst, Illinois Neurol Inst Stroke Network, Peoria, IL USA
Univ Illinois, Coll Med, Dept Neurol, Peoria, IL 61656 USACapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
Wang, David
Li, Hao
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Capital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China
China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China
Beijing Inst Brain Disorders, Ctr Stroke, Beijing, Peoples R China
Beijing Key Lab Translat Med Cerebrovasc Dis, Beijing, Peoples R ChinaCapital Med Univ, Beijing Tiantan Hosp, Dept Neurol, Beijing, Peoples R China