Chemomab Reports Top-Line Results from CM-101 Phase 2a Liver Fibrosis Biomarker Trial in NASH Patients

03 Jan 2023
pipelinereview.com
Phase 2Clinical Result
—CM-101 Met Primary Endpoint of Safety and Tolerability and Showed Positive Activity Across Multiple Liver Fibrosis Biomarkers and Physiologic Assessments—
TEL AVIV, Israel I January 3, 2023 I Chemomab Therapeutics, Ltd. (Nasdaq: CMMB) (Chemomab), a clinical-stage biotechnology company focused on the discovery and development of innovative therapeutics for fibrotic and inflammatory diseases with high unmet need, today reported top-line results from its Phase 2a trial assessing CM-101, its first-in-class CCL24-neutralizing monoclonal antibody, in non-alcoholic steatohepatitis (NASH) patients. The trial met its primary endpoint of safety and tolerability, and CM-101 achieved reductions in secondary endpoints that include a range of liver fibrosis biomarkers and physiologic assessments measured at baseline and at week 20.
The randomized, placebo-controlled trial enrolled 23 NASH patients with stage F1c, F2 and F3 disease who were randomized to receive either CM-101 or placebo. Patients received eight doses of 5 mg/kg of CM-101 or placebo, administered by subcutaneous (SC) injection once every two weeks, for a treatment period of 16 weeks. This trial was primarily designed to assess the subcutaneous formulation of CM-101 and to evaluate the drug's impact on liver fibrosis biomarkers relevant to both NASH and the rare fibro-inflammatory conditions that represent the focus for the company, such as primary sclerosing cholangitis (PSC) and systemic sclerosis (SSc).
Dale Pfost, PhD, Chief Executive Officer of Chemomab, said, "It is noteworthy that this trial confirmed the safety and tolerability of CM-101 and the pharmacokinetics of our subcutaneous formulation, while providing biomarker data further demonstrating the anti-inflammatory and anti-fibrotic activity of CM-101. We are especially pleased with these encouraging findings given the small size of the study, the short duration of treatment and the relatively low dose of CM-101 that was administered."
Dr. Pfost continued, "This is the third clinical trial in patients demonstrating the activity of CM-101 as measured by fibro-inflammatory biomarkers and physiological assessments. It confirms similar data we reported in our Phase 1b study in patients with non-alcoholic fatty liver disease (NAFLD) and in our recently reported investigator study of acute lung injury in COVID patients. Collectively, these data encompassing diverse organs and conditions reinforce our optimism about our ongoing Phase 2 trial in primary sclerosing cholangitis and our Phase 2 trial in systemic sclerosis that is scheduled to begin early this year."
Key findings of the CM-101 Phase 2a trial included the following.
Massimo Pinzani, MD, PhD, Professor of Medicine, Director of the University College London (UCL) Institute for Liver and Digestive Health and the Sheila Sherlock Chair of Hepatology at UCL, commented, "These encouraging Phase 2a results for CM-101 are a good example of what one is seeking in a successful biomarker study–sets of multiple biomarkers moving together in a positive direction. Based on these early findings, CM-101 may have the potential to interrupt the inflammatory and fibrotic vicious cycle characterizing conditions such as PSC, systemic sclerosis and other fibro-inflammatory diseases, providing the potential for much-needed disease-modifying therapy."
Rifaat Safadi, MD, Professor in Medicine, Gastroenterology and Hepatology, Faculty of Medicine, Hadassah University Hospital, Jerusalem; a Visiting Scholar at the Division of Liver Diseases, Mount Sinai School of Medicine in New York City, and Principal Investigator of the Phase 2a study noted, "The results from this early trial confirm previous clinical and preclinical research suggesting that neutralizing the pro-fibrotic and pro-inflammatory effects of CCL24 may have a therapeutic benefit for patients battling intractable fibro-inflammatory diseases such as PSC and systemic sclerosis, and support the conduct of additional clinical trials to address this unmet medical need. I want to thank the patients who participated in this trial and the team members at the clinical sites who helped make these encouraging results possible."
For more information on Chemomab's Phase 2 SPRING trial In patients with primary sclerosing cholangitis, visit www.chemomab.com/trials/psc/, or click here for information for potential participants.
Chemomab is a clinical stage biotechnology company focusing on the discovery and development of innovative therapeutics for fibrotic and inflammatory diseases with high unmet need. Based on the unique and pivotal role of the soluble protein CCL24 in promoting fibrosis and inflammation, Chemomab developed CM-101, a monoclonal antibody designed to bind and block CCL24 activity. CM-101 has demonstrated the potential to treat multiple severe and life-threatening fibrotic and inflammatory diseases. A Phase 2 liver fibrosis biomarker study in NASH patients was recently completed and a Phase 2 trial in primary sclerosing cholangitis patients is ongoing. Chemomab expects to begin enrolling patients in a Phase 2 trial in systemic sclerosis early in 2023. For more information on Chemomab, visit chemomab.com.
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