We investigated the cytotoxic effects of ASC, alone or with imatinib (IM) or nilotinib (NIL), on committed progenitors and LSCs from CML patients expressing high or low BCR::ABL1 at diagnosis. When combined with IM or NIL, ASC restored TKI activity against LTC-ICs expressing high BCR::ABL1 transcripts, with the association of ASC and NIL reducing both LTC-IC division rates and LTC-IC-derived CFUs. These findings suggest that ASC, alone or with NIL, may target LSCs and improve outcomes in patients with high BCR::ABL1 expression at diagnosis.
Cumulative MR4.0 and MR4.5 rates by week 48 were 42.3% and 26.5%, respectively, with some patients harboring baseline BCR::ABL1 mutations showing these responses. These real-world outcomes support the safety and effectiveness of asciminib for patients with resistant/intolerant CML.
These data support that, considering its large therapeutic window, asciminib 200 mg twice daily can be used without any dose adjustment when co-administered with a strong CYP3A4 inducer drug. Furthermore, asciminib is not an OATP1B inhibitor up to this dose.
1 month ago
PK/PD data • Journal
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CYP3A4 (Cytochrome P450, family 3, subfamily A, polypeptide 4)
P1, N=12, Not yet recruiting, Washington University School of Medicine | Trial completion date: Aug 2027 --> Nov 2027 | Trial primary completion date: Jul 2027 --> Oct 2027
1 month ago
Trial completion date • Trial primary completion date