Cyprien Rivier, MD, MSc
Associate Research ScientistCards
About
Research
Publications
2025
Voxel-Wise Map of Intracerebral Hemorrhage Locations Associated With Worse Outcomes
Karam G, Chen M, Zeevi D, Harms B, Berson E, Torres-Lopez V, Rivier C, Malhotra A, Qureshi A, Falcone G, Sheth K, Payabvash S. Voxel-Wise Map of Intracerebral Hemorrhage Locations Associated With Worse Outcomes. Stroke 2025, 56: 868-877. PMID: 40052269, DOI: 10.1161/strokeaha.124.048453.Peer-Reviewed Original ResearchConceptsImpact of intracerebral hemorrhageAssociated with worse outcomesClinical risk factorsVoxel-wise mapsMapping of brain regionsBaseline hematomaVoxel-wise analysisHematoma volumeICH locationBrain regionsValidation cohortWorse outcomesPresence of intraventricular hemorrhageRisk factorsBaseline hematoma volumeModified Rankin Scale scorePoor scan qualityMulticenter clinical trialRankin Scale scoreDeep white matterLow-risk categoryComprehensive stroke centerIntraventricular hemorrhageConsecutive patientsPatient agePolygenic score integrating neurodegenerative and vascular risk informs dementia risk stratification
D'Aoust T, Clocchiatti‐Tuozzo S, Rivier C, Mishra A, Hachiya T, Grenier‐Boley B, Soumaré A, Duperron M, Le Grand Q, Bouteloup V, Proust‐Lima C, Samieri C, Neuffer J, Sargurupremraj M, Chêne G, Helmer C, Thibault M, Amouyel P, Lambert J, Kamatani Y, Jacqmin‐Gadda H, Tregouët D, Inouye M, Dufouil C, Falcone G, Debette S. Polygenic score integrating neurodegenerative and vascular risk informs dementia risk stratification. Alzheimer's & Dementia 2025, 21: e70014. PMID: 40042447, PMCID: PMC11881617, DOI: 10.1002/alz.70014.Peer-Reviewed Original ResearchConceptsOlder community-dwelling peopleCommunity-dwelling peopleDementia risk stratificationVascular contribution to dementiaAssociated with dementia riskGenetic riskDementia clinical trialsApo E4Polygenic risk scoresGenetic risk groupsHigh-risk individualsDementia riskImprove risk predictionEast Asian ancestryAD-PRSPopulation-basedPolygenic scoresRisk stratificationMemory-clinic patientsPrevention programsClinical risk factorsDementiaClinical participantsRisk scoreAlzheimer's diseaseSpatial Correlates of Dementia and Disability After Intracerebral Hemorrhage.
Chen Y, Rivier C, Mora S, Torres Lopez V, Payabvash S, Sheth K, Harloff A, Falcone G, Rosand J, Mayerhofer E, Anderson C. Spatial Correlates of Dementia and Disability After Intracerebral Hemorrhage. Journal Of The American Heart Association 2025, 14: e037930. PMID: 39921496, DOI: 10.1161/jaha.124.037930.Peer-Reviewed Original ResearchConceptsFollow-up telephone interviewsElectronic health recordsAssociated with disabilityAssociated with dementiaDevelopment of dementiaDevelopment of disabilityIncident dementiaAssociated with intracerebral hemorrhageIntracerebral hemorrhageHealth recordsTelephone interviewsDementia conversionCohort studyDementiaDisabilityLobar intracerebral hemorrhageIntracerebral hemorrhage locationIntracerebral hemorrhagic lesionsFunctional outcomesNoncontrast computed tomography scanCohortMedian follow-up timeRight posterior limbOutcomesLeft temporo-occipital regionBidirectional relationship between epigenetic age and stroke, dementia, and late-life depression
Rivier C, Szejko N, Renedo D, Clocchiatti-Tuozzo S, Huo S, de Havenon A, Zhao H, Gill T, Sheth K, Falcone G. Bidirectional relationship between epigenetic age and stroke, dementia, and late-life depression. Nature Communications 2025, 16: 1261. PMID: 39893209, PMCID: PMC11787333, DOI: 10.1038/s41467-024-54721-0.Peer-Reviewed Original ResearchThis study shows a bidirectional link between accelerated epigenetic aging and brain health events like stroke, dementia, and depression, supporting new prevention strategies for aging-related conditions.Polygenic Susceptibility to Diabetes and Poor Glycemic Control in Stroke Survivors
Demarais Z, Conlon C, Rivier C, Clocchiatti-Tuozzo S, Renedo D, Torres-Lopez V, Sheth K, Meeker D, Zhao H, Ohno-Machado L, Acosta J, Huo S, Falcone G. Polygenic Susceptibility to Diabetes and Poor Glycemic Control in Stroke Survivors. Neurology 2025, 104: e210276. PMID: 39889253, DOI: 10.1212/wnl.0000000000210276.Peer-Reviewed Original ResearchConceptsStroke survivorsWorse glycemic controlPoor glycemic controlStroke patientsAssociated with worse glycemic controlGlycemic controlPolygenic risk scoresClinical management of stroke patientsAssociated with poor glycemic controlManagement of stroke patientsCross-sectional designGenetic association studiesUncontrolled diabetesSusceptibility to T2DMUK BiobankType 2 diabetes mellitusAdverse vascular outcomesRisk scoreAssociation studiesHemoglobin A1cSurvivorsVascular outcomesSusceptibility to diabetesStrokeDiabetesHealth-Related Behaviors and Risk of Common Age-Related Brain Diseases Across Severities of Genetic Risk
Marini S, Kimball T, Mayerhofer E, Tack R, Senff J, Prapiadou S, Rivier C, Duskin J, Kourkoulis C, Falcone G, Yechoor N, Tanzi R, Rosand J, Singh S, Parodi L, Anderson C. Health-Related Behaviors and Risk of Common Age-Related Brain Diseases Across Severities of Genetic Risk. Neurology 2025, 104: e210297. PMID: 39869844, DOI: 10.1212/wnl.0000000000210297.Peer-Reviewed Original Research
2024
Genal: a Python toolkit for genetic risk scoring and Mendelian randomization
Rivier C, Clocchiatti-Tuozzo S, Huo S, Torres-Lopez V, Renedo D, Sheth K, Falcone G, Acosta J. Genal: a Python toolkit for genetic risk scoring and Mendelian randomization. Bioinformatics Advances 2024, 5: vbae207. PMID: 39776894, PMCID: PMC11706532, DOI: 10.1093/bioadv/vbae207.Peer-Reviewed Original ResearchPolygenic risk scoresMendelian randomizationMR analysisGenome-wide association studiesPRS computationRisk scoreGenetic association dataGenetic risk scoreGenetic epidemiological studiesMR-PRESSOAssociation studiesGenetic epidemiologyMultiple R packagesMR methodsAssociation dataR packageEpidemiological studiesComputational experimentsGenalePython toolkitPython packageScoresPLINKComputation timeEpidemiologyCorrigendum: The predictive validity of a Brain Care Score for late-life depression and a composite outcome of dementia, stroke, and late-life depression: data from the UK Biobank cohort
Singh S, Rivier C, Papier K, Chemali Z, Gutierrez-Martinez L, Parodi L, Mayerhofer E, Senff J, Clocchiatti-Tuozzo S, Nunley C, Newhouse A, Ouyang A, Westover M, Tanzi R, Lazar R, Pikula A, Ibrahim S, Brouwers H, Howard V, Howard G, Yechoor N, Littlejohns T, Sheth K, Rosand J, Fricchione G, Anderson C, Falcone G. Corrigendum: The predictive validity of a Brain Care Score for late-life depression and a composite outcome of dementia, stroke, and late-life depression: data from the UK Biobank cohort. Frontiers In Psychiatry 2024, 15: 1502482. PMID: 39600788, PMCID: PMC11589155, DOI: 10.3389/fpsyt.2024.1502482.Peer-Reviewed Original ResearchPolygenic Risk of Epilepsy and Poststroke Epilepsy
Clocchiatti-Tuozzo S, Rivier C, Misra S, Zelano J, Mazumder R, Sansing L, de Havenon A, Hirsch L, Liebeskind D, Gilmore E, Sheth K, Kim J, Worrall B, Falcone G, Mishra N. Polygenic Risk of Epilepsy and Poststroke Epilepsy. Stroke 2024, 55: 2835-2843. PMID: 39502073, PMCID: PMC11653790, DOI: 10.1161/strokeaha.124.047459.Peer-Reviewed Original ResearchParticipants of European ancestryRisk of poststroke epilepsyPolygenic riskPoststroke epilepsyEuropean ancestryGenome-wide association study meta-analysisPRS decileCase-control genetic association studyGenetic risk lociLowest decilePolygenic risk scoresGenetic association studiesMultivariate logistic regression modelStudy meta-analysisMultivariate logistic regression resultsHistory of strokeLogistic regression modelsRisk lociAssociation studiesStroke survivorsUK BiobankGenetic informationGenetic ancestryLogistic regression resultsGenetic variantsHealth-Related Behaviors and Risk of Common Age-Related Brain Diseases Across Severities of Genetic Risk
Marini S, Kimball T, Mayerhofer E, Tack R, Senff J, Prapiadou S, Rivier C, Duskin J, Kourkoulis C, Falcone G, Yechoor N, Tanzi R, Rosand J, Singh S, Parodi L, Anderson C. Health-Related Behaviors and Risk of Common Age-Related Brain Diseases Across Severities of Genetic Risk. Neurology 2024, 103: e210014. PMID: 39504504, DOI: 10.1212/wnl.0000000000210014.Peer-Reviewed Original ResearchConceptsLate-life depressionGenetic riskDementia riskUK Biobank (UKBEffects of healthy lifestylesHealth-related behaviorsGenetic predispositionElevated genetic riskProspective cohort studyHazard of strokeCox proportional hazards modelsAge-related brain diseasesLifestyle behaviorsCare scoresUKB participantsProportional hazards modelHealthy lifestyleIncidence of strokeMultivariate Cox proportional hazards modelPolygenic scoresTargeted interventionsLifestyle adjustmentsAggregate risk estimatesRisk estimatesCohort study
News
News
- November 20, 2024
Brain Bleeds: How Biological Sex Affects Severity and Outcomes
- July 15, 2024
Rivier Receives Ralph L. Sacco Scholarship for Brain Health
- July 05, 2023
Cyprien Rivier, MD, MSc Wins ESOC Young Research Investigator Award in Stroke
- February 08, 2023
Santiago Clocchiatti-Tuozzo, MD Honored with Bernard J. Tyson Career Development Award and Stroke Underrepresented Racial and Ethnic Groups Travel Grant
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