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Title: Asciminib vs bosutinib in chronic-phase chronic myeloid leukemia previously treated with at least two tyrosine kinase inhibitors: longer-term follow-up of ASCEMBL
Authors: HOCHHAUS, AndreasREA, DelphineBOQUIMPANI, CarlaMINAMI, YosukeCORTES, Jorge E.HUGHES, Timothy P.APPERLEY, Jane F.LOMAIA, ElzaVOLOSHIN, SergeyTURKINA, AnnaKIM, Dong-WookABDO, AndreFOGLIATTO, Laura MariaCOUTRE, Philipp leSASAKI, KojiKIM, Dennis Dong HwanSAUSSELE, SusanneANNUNZIATA, MarioCHAUDHRI, NaeemCHEE, LynetteGARCIA-GUTIERREZ, ValentinKAPOOR, ShrutiALLEPUZ, AlexQUENET, SaraBEDOUCHA, VeroniqueMAURO, Michael J.
Citation: LEUKEMIA, v.37, n.3, p.617-626, 2023
Abstract: Asciminib, the first BCR::ABL1 inhibitor that Specifically Targets the ABL Myristoyl Pocket (STAMP), is approved worldwide for the treatment of adults with Philadelphia chromosome-positive chronic myeloid leukemia in chronic phase (CML-CP) treated with >= 2 prior tyrosine kinase inhibitors (TKIs). In ASCEMBL, patients with CML-CP treated with >= 2 prior TKIs were randomized (stratified by baseline major cytogenetic response [MCyR]) 2:1 to asciminib 40 mg twice daily or bosutinib 500 mg once daily. Consistent with previously published primary analysis results, after a median follow-up of 2.3 years, asciminib continued to demonstrate superior efficacy and better safety and tolerability than bosutinib. The major molecular response (MMR) rate at week 96 (key secondary endpoint) was 37.6% with asciminib vs 15.8% with bosutinib; the MMR rate difference between the arms, after adjusting for baseline MCyR, was 21.7% (95% CI, 10.53-32.95; two-sided p = 0.001). Fewer grade >= 3 adverse events (AEs) (56.4% vs 68.4%) and AEs leading to treatment discontinuation (7.7% vs 26.3%) occurred with asciminib than with bosutinib. A higher proportion of patients on asciminib than bosutinib remained on treatment and continued to derive benefit over time, supporting asciminib as a standard of care for patients with CML-CP previously treated with >= 2 TKIs.
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Artigos e Materiais de Revistas Científicas - HC/ICESP
Instituto do Câncer do Estado de São Paulo - HC/ICESP

Artigos e Materiais de Revistas Científicas - ODS/03
ODS/03 - Saúde e bem-estar

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