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2024-12-12T08:28:40.000Z

Real-world, long-term efficacy of CPX-351, and the impact of MRD, in patients with t-AML or AML-MRC

Dec 12, 2024
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Learning objective: After reading this article, learners will be able to cite a new clinical development in acute myeloid leukemia.

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A retrospective analysis assessed the real-world efficacy of CPX-351 in 168 adult patients with ND t-AML (n = 47) or AML-MRC (n = 121) and evaluated the impact of MRD on long-term outcomes.1 Results from this trial were published in Blood Advances by Cluzeau et al.1


Key learnings
The ORR, CR, and CRi rates were 60%, 53%, and 6%, respectively, and, after a median follow-up of 3 years, the median OS was 13.3 months.
The median OS for MRD− vs MRD+ patients was 20.4 months vs 12.9 months (p = 0.03). In multivariate analysis, MRD-positivity was associated with shorter OS (HR, 2.6; 95% CI, 1.2–5.5; p = 0.013).
Among patients who underwent allo-HSCT, there was a trend towards improved median OS in MRD− patients vs MRD+ patients (not reached vs 26.0 months; p = 0.06).
Results from this analysis confirm the efficacy of CPX-351 in real-world patients with ND t-AML and AML-MRC and highlight the prognostic impact of MRD-negativity in this patient population.

Abbreviations: allo-HSCT, allogeneic hematopoietic stem cell transplantation; AML-MRC, acute myeloid leukemia with myelodysplasia-related changes; CI, confidence interval; CR, complete remission; CRi, CR with incomplete hematological recovery; HR, hazard ratio; MRD, measurable residual disease; ORR, overall response rate; OS, overall survival; t-AML, therapy-related acute myeloid leukemia.  

  1. Cluzeau T, Guolo F, Chiche E, et al. Long-term real world evidence of CPX-351 of high-risk AML patients identified high rate of negative MRD and prolonged OS. Blood Adv. 2024. Online ahead of print. DOI: 10.1182/bloodadvances.2024014279

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