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Elvn-001, a Next Generation ATP-Competitive ABL1 Tyrosine Kinase Inhibitor for the Treatment of Chronic Myeloid Leukemia (ENMCC - Hall D) - Nov 4, 2022 - Abstract #ASH2022ASH_2169; Of the six small-molecule ABL1 tyrosine kinase inhibitors (TKIs) that have received FDA-approval for the treatment of BCR-ABL1-driven Chronic Myeloid Leukemia (CML), five (Imatinib, Nilotinib, Dasatinib, Ponatinib, Bosutinib) target the ATP-binding site in the kinase domain...Consistent with previously reported findings for ponatinib, while ELVN-001 showed little to no activity against cells expressing a subset of T315I-inclusive BCR-ABL1 compound mutants, the addition of Asciminib resulted in varying degrees of re-sensitizing these mutants to ELVN-001...These anti-tumor activities also compared favorably to currently approved therapies when evaluated head-to-head in these studies. Together, these findings support ELVN-001 as an extremely selective, novel ATP-competitive inhibitor of ABL1 kinase with superior pharmacokinetic and tolerability properties compared to currently approved TKIs and which retains activity against T315I and other key on-target resistance mutations, warranting its further investigation in patients with TKI-resistant/intolerant CML.
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Enrollment open: ELVN-001-101: A Phase 1a/1b Study of ELVN-001 for the Treatment Chronic Myeloid Leukemia (clinicaltrials.gov) - Aug 17, 2022 P1a/1b, N=120, Recruiting, Together, these findings support ELVN-001 as an extremely selective, novel ATP-competitive inhibitor of ABL1 kinase with superior pharmacokinetic and tolerability properties compared to currently approved TKIs and which retains activity against T315I and other key on-target resistance mutations, warranting its further investigation in patients with TKI-resistant/intolerant CML. Not yet recruiting --> Recruiting
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