Fulcrum Therapeutics Announces Initiation of Multi-Center Phase 3 (LOSVID) Trial with Losmapimod for Hospitalized COVID-19 Patients
CAMBRIDGE, Mass., June 24, 2020 (GLOBE NEWSWIRE) -- Fulcrum Therapeutics, Inc. (Nasdaq: FULC), a clinical-stage biopharmaceutical company focused on improving the lives of patients with genetically defined rare diseases, today announced that it received early notification from the U.S. Food and Drug Administration (FDA) that the company may proceed with initiating a Phase 3, randomized, double-blind, placebo-controlled trial of losmapimod in higher risk hospitalized adults with COVID-19. Losmapimod is an orally available selective p38a/ß mitogen activated protein kinase (MAPK) inhibitor.
The LOSVID trial is a Phase 3, international, multicenter trial designed to assess the safety and efficacy of a 15 mg twice per day oral dose of losmapimod compared to placebo for 14 days on top of standard of care in approximately 400 patients hospitalized with COVID-19 and at risk of progression to critical illness based on older age and elevated systemic inflammation. The primary endpoint is the proportion of patients who progress to death or respiratory failure by day 28. Additional secondary endpoints include clinical status on days seven and 14 as measured on the nine point WHO ordinal scale of COVID-19 severity, total number of study days free of oxygen supplementation, all-cause mortality, length of hospitalization and ICU stay, adverse events and viral clearance.
An interim analysis will be conducted in the fourth quarter of 2020 for futility and sample size re-estimation by an independent data monitoring committee when approximately 50 percent of subjects complete the 28-day visit. Topline data is expected to be reported in the first quarter of 2021.
“We believe that losmapimod has the potential to be a differentiated treatment option in the global fight against COVID-19,” said Robert J. Gould, Ph.D., president and chief executive officer. “The speed with which we have advanced this program reflects our deep understanding of the mechanism of action of losmapimod, the pressing need for treatment options and the commitment of our team to develop therapies that result in meaningful outcomes for patients. We are encouraged by the feedback we have received from investigators, and we expect to have all sites participating in the trial to be activated in the coming weeks.”
“We look forward to conducting this important trial in parallel with our ongoing clinical program for losmapimod as a potential treatment of facioscapulohumeral muscular dystrophy (FSHD),” continued Dr. Gould. “We have several anticipated upcoming data readouts in the next six to 12 months from both the COVID-19 and FSHD trials and we look forward to the outcomes of these trials which will tell us more about losmapimod’s impact in both these patient populations. Additionally, we continue our progress with FTX-6058 towards the clinic for the potential treatment of sickle cell disease.”
Based on its mechanism of action and preclinical and clinical studies, Fulcrum believes that inhibiting the p38 MAPK pathway with losmapimod has the potential to treat COVID-19 by reducing the acute exaggerated pro-inflammatory responses to SARS-CoV-2 infection and restoring the antigen-specific immune responses needed for viral clearance potentially leading to improved clinical outcomes.
“Studies in elderly people indicating that p38 inhibition can decrease inflammatory responses but enhance T-cell responses to a viral antigen suggest that losmapimod could ameliorate the pathology of COVID-19 in multiple ways,” said Robert Finberg, MD, Professor of Medicine, University of Massachusetts Medical School. “Losmapimod is a promising treatment candidate that could adress multiple key contributors to the pathogenesis of COVID-19 and already has an extensive amount of safety and tolerability data across multiple age groups, including the elderly. The rapid initiation of this pivotal trial reflects the data supporting this research and the pressing need for effective therapies that reduce the morbidity associated with COVID-19.”
The Potential Role of p38 Inhibition in the Treatment of COVID-19
About Fulcrum Therapeutics
Please visit www.fulcrumtx.com.
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