Rigel Announces Publication of Final 5-year Data on REZLIDHIA® (olutasidenib) in Patients with R/R mIDH1 AML in the Journal of Hematology & Oncology

SOUTH SAN FRANCISCO, Calif., Nov. 17, 2025 /PRNewswire/ -- Rigel Pharmaceuticals, Inc. (Nasdaq: RIGL), a commercial stage biotechnology company focused on hematologic disorders and cancer, today announced a peer-reviewed publication in the Journal of Hematology & Oncology of the final five-year data from the pivotal cohort of the Phase 2 registrational trial evaluating REZLIDHIA^® (olutasidenib) for the treatment of patients with relapsed or refractory (R/R) mutant isocitrate dehydrogenase-1 (mIDH1) acute myeloid leukemia (AML). REZLIDHIA is a potent, selective, oral, small-molecule inhibitor of mIDH1¹ that is approved for the treatment of R/R mIDH1 AML.

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