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Enliven Therapeutics Announces FDA Alignment on ENABLE-2 Phase 3 Trial Design for Relcobatinib (ELVN-001) in Previously Treated Chronic Myeloid Leukemia

$ELVNPress releaseOct 6, 2026, 4:05 PM ETRead the release

Enliven Therapeutics reached alignment with the FDA on the final design of the ENABLE-2 pivotal Phase 3 trial of relcobatinib (ELVN-001) in previously treated chronic myeloid leukemia. The randomized trial will enroll approximately 450 adults with CML previously treated with TKIs, comparing relcobatinib 80 mg once daily head-to-head against investigator-selected second-generation TKIs (dasatinib, nilotinib, or bosutinib). The primary endpoint is major molecular response at Week 24, and a 10-percentage-point MMR improvement over control would demonstrate statistical superiority.

Key figures

Drug Name
relcobatinib (ELVN-001)
Phase Of Trial
Phase 3
Randomization
1:1 relcobatinib 80 mg once daily vs investigator-selected second-generation TKI
Primary endpoint
MMR at Week 24
Expected enrollment
450
Superiority threshold
at least 10 percentage point improvement in MMR rate over control
Key secondary endpoint
MMR at Week 96

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