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Promethera Biosciences Announces First-Dosing in Phase 2a Clinical Study Evaluating World’s First Liver Stem Cell Therapy in Late-Stage NASH Patients

May 9, 2019

MONT-SAINT-GUIBERT, Belgium & TOKYO--(BUSINESS WIRE)--May 9, 2019--Promethera Biosciences SA, a global innovator in cell-based medicines and liver diseases, today announced the dosing of a first patient in a Phase 2a clinical study for the company’s HepaStem development program in patients with late stage non-alcoholic steatohepatitis (NASH). The multicenter, open-label PANASH study will evaluate the safety and preliminary efficacy of Promethera’s investigational drug HepaStem, a novel allogenic cell-based therapy for severe liver diseases, in patients with cirrhotic and pre-cirrhotic NASH. The study will enroll a minimum of 24 patients via centers in 8 European countries. The completion of the trial is expected for H1 2020.

“Moving HepaStem into clinical studies in NASH in addition to the ongoing clinical evaluation in Acute-on-Chronic Liver Failure, represents a significant milestone for our therapeutic development activities. While this first trial in NASH is conducted in Europe and is designed to deliver first clinical results early next year, the clinical development plan for HepaStem is going to expand into the US and Japan in the mid- to long-term,” said Etienne Sokal, M.D., Ph.D., Chief Scientific & Medical Officer of Promethera.

“Today’s announcement has special significance for our company as NASH is increasingly going to be a significant value driver for our company. With this trial we continue to pioneer the use of a cell-based therapy in severe liver diseases with existing unmet medical need and we are also among the few drug development organizations to tackle late-stage liver diseases relying on the strengths of our multi-modal approach,” said John Tchelingerian, Ph.D., President and CEO of Promethera. “Overall, Promethera continues to make tangible progress in its mission to bring life-saving treatments to liver disease patients and to reduce the need for liver transplantation.”

More information on the PANASH study will be provided on https://www.clinicaltrials.gov.

HepaStem consists of liver stem cells that are obtained from ethically donated healthy human organs and expanded in GMP culture conditions. In addition to NASH, the product candidate is currently being evaluated in a Phase 2a clinical trial in the indication Acute-on-Chronic Liver Failure (ACLF) with first positive safety and preliminary efficacy results having been presented recently at The International Liver Congress 2019 (EASL) as part of a late-breaking presentation. In addition to its cell-based approaches, Promethera is advancing a portfolio of complementary biologics approaches including the anti-TNF-R1 antibody Atrosimab.

About Promethera Biosciences

Promethera Biosciences is a global innovator in liver therapeutics whose mission is to bring life-saving treatments to reduce the need for liver transplantation. Our lead clinical program, derived from our patented cell technology platform HepaStem, is designed to benefit from its immune-modulatory and anti-fibrotic properties. In addition to our cell-based pipeline, we develop antibody technologies such as the antiTNF-R1 antibody Atrosimab, to complement and diversify our therapeutic options. We are a team of international experts operating out of facilities in Mont-Saint-Guibert (Belgium), Durham (NC, USA), Tokyo (Japan) and Basel (Switzerland).

Promethera ®, HepaStem ®, H2stem ®, are all registered trademarks of the PROMETHERA group.

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CONTACT: Promethera Biosciences SA

Alexandra Schiettekatte

Alexandra.schiettekatte@promethera.com

Web:www.promethera.comFor media:

MacDougall

Mario Brkulj or Shai Biran, Ph.D.

+49 89 2420 9345

or +1 781-235-3060

promethera@macbiocom.com

KEYWORD: BELGIUM EUROPE ASIA PACIFIC JAPAN

INDUSTRY KEYWORD: STEM CELLS HEALTH BIOTECHNOLOGY CLINICAL TRIALS PHARMACEUTICAL RESEARCH SCIENCE

SOURCE: Promethera Biosciences SA

Copyright Business Wire 2019.

PUB: 05/09/2019 03:00 AM/DISC: 05/09/2019 03:00 AM

http://www.businesswire.com/news/home/20190509005173/en