Shire’s fast-track NASH drug abruptly stopped in phase 2
April 25, 2019
Gilead Announces Topline Data From Phase 3 STELLAR-3 Study of Selonsertib in Bridging Fibrosis (F3) Due to Nonalcoholic Steatohepatitis (NASH)
FOSTER CITY, Calif.--(BUSINESS WIRE)--Apr. 25, 2019-- Gilead Sciences, Inc.(Nasdaq: GILD) today announced that STELLAR-3, a Phase 3, randomized, double-blind, placebo-controlled study evaluating the safety and efficacy of selonsertib, an investigational, once daily, oral inhibitor of apoptosis signal-regulating kinase 1 (ASK1), for patients with bridging fibrosis (F3) due to nonalcoholic steatohepatitis (NASH), did not meet the pre-specified week 48 primary endpoint of a = 1-stage histologic improvement in fibrosis without worsening of NASH.
In the study of 802 enrolled and dosed patients, 9.3 percent of patients treated with selonsertib 18 mg (p=0.42 versus placebo) and 12.1 percent of patients treated with selonsertib 6 mg (p=0.93) achieved a = 1-stage improvement in fibrosis according to the NASH Clinical Research Network (CRN) classification without worsening of NASH after 48 weeks of treatment, versus 13.2 percent with placebo. Selonsertib was generally well tolerated and safety results were consistent with prior studies.
“While we had hoped for different outcomes from the STELLAR program, we remain focused and committed to developing highly effective treatments for patients living with advanced fibrosis due to NASH. We are actively exploring the STELLAR data and will work with external collaborators like PathAI and insitro, to further our understanding of this complex disease and advance our development programs. We thank the patients and their physicians who participated in the STELLAR program for contributing to these efforts,” said John McHutchison, AO, MD, Chief Scientific Officer and Head of Research and Development, Gilead Sciences. “We believe that effective therapy for NASH will ultimately require a combination approach that targets distinct pathways involved in the pathogenesis of this disease. In this regard, we look forward to data from the Phase 2 ATLAS combination trial of selonsertib, cilofexor and firsocostat in patients with advanced fibrosis due to NASH, which will be available later this year.”
Gilead will now work with the Data Monitoring Committee and investigators to conclude the STELLAR-3 study in a manner consistent with the best interests of each patient.
Selonsertib, cilofexor, and firsocostat, alone or in combination, are investigational compounds and are not approved by the U.S. Food & Drug Administration (FDA) or any other regulatory authority. Safety and efficacy have not been established for these agents.
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