SISTM

Statistics in systems biology and translationnal medicine

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Sandrine Darmigny

Mélanie Prague
PhD, SISTM Director

Mélanie Prague is currently Inria Research Faculty (Chargé de Recherche) at Inria, where she is leading the SISTM team from both Inria Centre at the University of Bordeaux and Inserm Bordeaux Population Health research center U1219. She obtained her H.D.R. (Habilitation à Diriger des Recherches) in 2024.

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Boris Hejblum
PhD, SISTM Deputy Director

Boris Hejblum is currently Research Faculty (Chargé de Recherche) at Inserm, where he is co-leading the SISTM team from both Inria Centre at the University of Bordeaux and Inserm Bordeaux Population Health research center U1219.

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Objectives

The two main objectives of the SISTM team are :

1) to accelerate the development of vaccines by analysing all the information available in early clinical trials and optimizing new trials

2) to develop new statistical methods to analyse and model large high-throughput data.

Research area

The relevant information is extracted from large omics data, and this signal is then incorporated into mechanistic models, thanks to prior biological knowledge, to estimate their parameters. Those models can then inform the optimal vaccine strategies to be evaluated in the next clinical trials. Such in silico trials, allowing for optimized clinical trial designs and personalized strategies, in turn generate new data that require and feed anew the above methodological developments.

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2024 Key publications

Alexandre M, Prague M, Lhomme E, Lelievre J-D, Wittkop L, Richert L, Levy Y, Thiebaut R. Definition of Virological Endpoints Improving the Design of HIV Cure Strategies Using Analytical Antiretroviral Treatment Interruption. Clin Infect Dis. 2024;79(6):1447-57. https://doi.org/10.1093/cid/ciae235

Barry H, Lhomme E, Surenaud M, Nouctara M, Robinson C, Bockstal V, Valea I, Somda S, Tinto H, Meda N, Greenwood B, Thiebaut R, Lacabaratz C. Helminth exposure and immune response to the two-dose heterologous Ad26.ZEBOV, MVA-BN-Filo Ebola vaccine regimen. PLoS Negl Trop Dis. 2024;18(4):e0011500. https://doi.org/10.1371/journal.pntd.0011500

Ganser I, Buckeridge DL, Heffernan J, Prague M, Thiebaut R. Estimating the population effectiveness of interventions against COVID-19 in France: A modelling study. Epidemics. 2024;46:100744. https://doi.org/10.1016/j.epidem.2024.100744

Hejblum BP, Ba K, Thiebaut R, Agniel D. Neglecting the impact of normalization in semi-synthetic RNA-seq data simulations generates artificial false positives. Genome Biol. 2024;25(1):281. https://doi.org/10.1186/s13059-024-03231-9

Hivert B, Agniel D, Thiébaut R, Hejblum BP. Post-clustering difference testing: Valid inference and practical considerations with applications to ecological and biological data. Comput Stat Data Anal. 2024;193:107916. https://doi.org/10.1016/j.csda.2023.107916

Levy Y, Moog C, Wiedemann A, Launay O, Candotti F, Hardel L, Durand M, […], Thiebaut R, Pantaleo G, Lelievre J-D, Richert L. Safety and immunogenicity of CD40.HIVRI.Env, a dendritic cell-based HIV vaccine, in healthy HIV-uninfected adults: a first-in-human randomized, placebo-controlled, dose-escalation study (ANRS VRI06). eClinicalMedicine. 2024;77:102845. https://doi.org/10.1016/j.eclinm.2024.102845

Loubet P, Lelievre J-D, Francois A, Botelho-Nevers E, Chidiac C, Chirio D, Dubee V, Dussol B, Galtier F, Hessamfar M, […], Launay O, Wittkop L. Humoral response after mRNA COVID-19 primary vaccination and single booster dose in people living with HIV compared to controls: A French nationwide multicenter cohort study-ANRS0001s COV-POPART. Int J Infect Dis. 2024;146:107110. https://doi.org/10.1016/j.ijid.2024.107110

Savel H, Meyer-Losic F, Proust-Lima C, Richert L. Statistical classification of treatment responses in mouse clinical trials for stratified medicine in oncology drug discovery. Sci Rep. 2024;14(1):934. https://doi.org/10.1038/s41598-023-51055-7

Segalas C, Helmer C, Genuer R, Proust-Lima C. Functional Principal Component Analysis as an Alternative to Mixed-Effect Models for Describing Sparse Repeated Measures in Presence of Missing Data. Stat Med. 2024;43(26):4899-912. https://doi.org/10.1002/sim.10214

Valayer S, Alexandre M, Prague M, Beavogui AH, Doumbia S, Kieh M, Greenwood B, Leigh B, Poupelin M, […], Thiebaut R, Levy Y, Yazdanpanah Y, Richert L, Lhomme E. Evaluation of waning of IgG antibody responses after rVSVDeltaG-ZEBOV-GP and Ad26.ZEBOV, MVA-BN-Filo Ebola virus disease vaccines: a modelling study from the PREVAC randomized trial. Emerg Microbes Infect. 2024;14(1):2432353. https://doi.org/10.1080/22221751.2024.2432353

View all of the team’s publications in Oskar

Last News

Posted on : 29 Apr 2024

Launch of CAP Digital Health within the framework of the call for expressions of interest "Skills and Future Professions"

Events
Launch of CAP Digital Healthwithin the framework of the call for expressions of interest“Skills and Future Professions” Three winning projects from the university within the call for expressions of interest “Skills and Future Professions” were launched on Tuesday, April 9th. One of these projects is CAP Digital Health led by Rodolphe THIEBAUT (Director of BPH); […]
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Posted on : 07 Feb 2024

Covid-19 : Etude de l'efficacité des mesures instaurées contre le virus en France

Press
Covid-19 : Etude de l’efficacité des mesures instaurées contre le virus en France Des chercheurs de l’université et du CHU de Bordeaux, de l’Inserm et d’Inria publient des estimations sur l’efficacité des mesures restrictives (confinement, couvre-feu…) et de la politique vaccinale à partir d’une modélisation mathématique des données françaises. Ces résultats sont publiés dans la […]
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Posted on : 20 Jun 2023

The BPH SISTM team is accredited by both Inria & Inserm

Team
The SISTM team – © Inria / Photo F. Stucin The BPH SISTM team is accredited by both Inria & Inserm The two main objectives of the SISTM team (Statistics in Systems biology and Translationnal Medicine), led by Pr Rodolphe Thiébaut, are: i) to accelerate the development of vaccines by analyzing all the information available […]
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Posted on : 02 Jan 2023

More than 3 M€ for our project UB 2030 CAP Digital Health labellized by the call AMI CMA "Skills and future professions" of the 2030 France national plan

Awards
This new project coordinated by Rodolphe Thiébaut leader of the BPH’s SISTM team, is part of the 70 awarded of the second call for expression of interest AMI CMA 2022. The ambition is to offer innovative training schemes in the field of digital health. The project UB 2030 CAP Digital Health  brings together a large […]
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