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Imara Announces Interim Analysis Data from Forte Phase 2b Clinical Trial of Tovinontrine (IMR-687) in Transfusion-Dependent Subjects with Beta-thalassemia
Positive trend observed in transfusion-dependent subjects treated with higher dose tovinontrine for reduced transfusion burden Tovinontrine was generally
About this update from Enliven Therapeutics, Inc.
[{"type":"text","content":"Positive trend observed in transfusion-dependent subjects treated with higher dose tovinontrine for reduced transfusion burden Tovinontrine was generally well-tolerated in this patient population BOSTON, Nov. 16, 2021 (GLOBE NEWSWIRE) -- Imara Inc. (Nasdaq: IMRA), a clinical-stage biopharmaceutical company dedicated to developing and commercializing novel therapeutics to treat subjects suffering from rare inherited genetic disorders of hemoglobin and other serious diseases, today announced data from a pre-specified interim analysis from its ongoing Forte Phase 2b clinical trial of tovinontrine (IMR-687) in transfusion-dependent subjects (TDT) with beta-thalassemia. “Today’s announcement of the first clinical data exploring tovinontrine’s potential in transfusion-dependent patients with beta-thalassemia marks an important milestone for Imara and patients with beta-thalassemia seeking oral therapies,” said Rahul Ballal, Ph.D., President and Chief Executive Officer of Imara. “We are encouraged by the positive trend for transfusion burden reduction at the higher dose of tovinontrine. Furthermore, we are pleased that the interim data continue to demonstrate a favorable safety and tolerability profile at doses of tovinontrine up to 400 mg once daily. We look forward to a key efficacy analysis, which we expect will occur in the first quarter of 2022, with more subjects treated through 24 weeks. In addition, we are continuing to advance enrollment in the non-transfusion-dependent (NTDT) cohort of the trial and expect to report initial NTDT data in the first half of 2022.” Highlights of the Forte Phase 2b Interim AnalysisSubjects in the Forte trial were randomized to either a lower dose group (200 mg or 300 mg), higher dose group (300 mg or 400 mg), or placebo, utilizing a pre-defined weight gate. Of the 43 TDT subjects in this interim dataset, 35 completed at least 12 weeks of treatment and were in the analysis population for transfusion burden. Safety data through week 24 from higher and lower dose groups were pooled for this interim analysis to prevent unblinding of the study. The median baseline transfusion burden in each of the higher dose tovinontrine and placebo groups was 7.5 red blood cell (RBC) units/12 weeks. Furthermore, 54% of the subjects in the analysis population (19/35) had the more severe β0/β0 genotype. Interim data fr...