Categorie

2020

Independent Data Safety and Monitoring Board (DSMB) recommends continuing CIMON study and initiating dosing of second patient cohort Study is…
December 22, 2020
Data showed MaaT013 to be safe and effective in 29 heavily pre-treated and immunocompromised gastrointestinal (GI) acute Graft-versus-Host-Disease (aGvHD) patients…
December 7, 2020
— New investor Bpifrance leads Series B extension through the PSIM fund it manages on behalf of the French State…
December 1, 2020
Treatment of 29 acute gastrointestinal Graft-versus-Host-Disease patients with full-ecosystem microbiome restoration biotherapeutic MaaT013 reported safe, demonstrating positive impact Lyon, France,…
November 25, 2020
MaaT033 is an oral formulation of MaaT Pharma’s full–ecosystem biotherapeutic characterized by high microbial diversity and richness  Study will evaluate safety, dosing regimen and activity of MaaT033 in patients with acute myeloid leukemia receiving intensive chemotherapy  [divider line_type=”No Line” custom_height=”30″]Lyon, France, November…
November 12, 2020
— Clinical data was gathered from eleven patients with gastrointestinal (GI) aGvHD treated with MaaT013, MaaT Pharma’s full-ecosystem microbiota biotherapeutic,…
August 31, 2020
— Data from the Company’s compassionate use program with MaaT013 as a treatment in patients with intestinal acute Graft-versus-Host-Disease will…
August 28, 2020
New collection campaign to support future clinical development of microbiome biotherapeutic product portfolio and to supply the French compassionate use…
August 20, 2020
Lyon, France, July 16, 2020 – MaaT Pharma announced today the appointment of Claude Bertrand, PharmD, PhD, as an independent…
July 16, 2020
—MaaT Pharma renforce son équipe de direction en ajoutant une expertise en termes de développement commercial stratégique et de marketing…
May 28, 2020

We are a clinical-stage microbiome therapeutics company aiming to improve survival in cancer.

Nous sommes une société au stade clinique, spécialisée dans les thérapies issues du microbiote dédiées aux patients atteints de cancer.

Nous sommes une société au stade clinique, spécialisée dans les thérapies issues du microbiote dédiées aux patients atteints de cancer.

© 2026 MaaT Pharma. La mission de MaaT Pharma est de restaurer la fonction du microbiote afin de traiter des maladies potentiellement mortelles.

Acting Chief Scientific Officer

Sheri Simmons

Sheri Simmons, Ph.D., is Acting Chief Scientific Officer at MaaT Pharma. Sheri brings extensive experience in biotechnology, particularly in the microbiome field, having held scientific leadership positions at Seres Therapeutics, Johnson & Johnson’s Microbiome Solutions team, and most recently at Seed Health, a leading probiotics company. In her role, she strengthens the Company’s scientific leadership, overseeing preclinical research, AI/data initiatives, and supporting efforts toward the Marketing Authorization Application of Xervyteg® in aGvHD.

Sheri holds a PhD in Biological Oceanography from the Massachusetts Institute of Technology (MIT) and completed an A.B. in Ecology & Evolutionary Biology at Princeton University, graduating summa cum laude and as a Phi Beta Kappa member, receiving one of six awards for the best senior thesis in the sciences. Sheri holds a PhD in Biological Oceanography from the Massachusetts Institute of Technology (MIT) and completed an A.B. in Ecology & Evolutionary Biology at Princeton University, graduating summa cum laude and as a Phi Beta Kappa member, receiving one of six awards for the best senior thesis in the sciences.

CEO and co-founder

Hervé Affagard

Hervé Affagard is the CEO and co-founder of MaaT Pharma. For the past 15 years, Hervé has been an intra/entrepreneur in the healthcare industry, after starting his career in IT in the steel industry. In late 2014, Hervé co-founded the company alongside Dr. Joël Doré, author of nearly 500 publications, and
one of the world’s most cited authors in the microbiome sphere today, after a professional career that spanned multiple industries. Hervé has led MaaT Pharma’s development from its early concept in 2013 and has been at the forefront of the development of the microbiome healthcare ecosystem in France and Europe. In January 2022, Hervé has been elected President of Allliance Promotion Microbiote, an organization founded in 2021 to support the microbiome sector development in France.

Engineer, MBA