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NCRI AML18: CPX-351 vs DAGO2 in older patients with non-adverse risk AML

By Sheetal Bhurke

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Jan 13, 2026

Learning objective: After reading this article, learners will be able to cite a new clinical development in de novo or secondary acute myeloid leukemia.


Results from the phase II/III National Cancer Research Institute (NCRI) AML18 version 2 trial (NCT02272478) comparing outcomes of CPX-351 vs daunorubicin (D) + cytarabine (A) + and gemtuzumab ozogamicin (GO) in 439 patients aged ≥60 years with non-adverse risk cytogenetics acute myeloid leukemia (AML; 81% de novo, 7% secondary) or myelodysplasia (MDS; 12%) were published by Knapper et al. in Blood. Patients were randomized 1:2 to receive DA + two doses of GO (DAGO2) or CPX-351. Outcomes assessed included complete remission (CR), CR with incomplete hematologic recovery (CRi), measurable residual disease (MRD) negativity, overall survival (OS), and event-free survival (EFS).

Key data: Post course-1 CR + CRi rates were higher with DAGO2 compared with CPX-351 (60.0% vs 47.5%; odds ratio [OR], 0.61; 95% confidence interval [CI], 0.41–0.91; p = 0.016). A higher proportion of patients attained CR/CRi with MRD <0.1% post course-1 in the DAGO2 arm vs the CPX-351 arm (47.3% vs 29.3%; OR, 0.46; 95% CI, 0.29–0.73; p = 0.004). DAGO2 was associated with improved 3-year EFS (34% vs 27%; hazard ratio [HR], 0.73; 95% CI, 0.57–0.93; p = 0.012) and OS (52% vs 35%; HR, 0.62; 95% CI, 0.46–0.83; p = 0.001) vs CPX-351. CPX-351 did not benefit those with MDS-related mutations (HR, 1.40; 95% CI, 0.97–2.03) and was associated with poorer survival in patients with NPM1 (HR, 2.83; 95% CI, 1.17–6.82) and FLT3 mutations (HR, 2.14; 95% CI, 0.98–4.68) compared with DAGO2.

Key learning: In fit older patients with AML without adverse-risk cytogenetics, DAGO2 resulted in deeper early responses and superior EFS and OS compared with CPX-351, supporting DAGO2 as the preferred intensive induction option in this population. 

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