Safety of liposomal daunorubicin-cytarabine (CPX-351) in secondary AML: Japanese phase 1/2 study and global phase 3 study
Abstract
CPX-351 is a dual-drug liposomal encapsulation of cytarabine and daunorubicin. The safety of CPX-351 in Japanese patients was verified by comparing safety data from the Japanese phase 1/2 study and the global phase 3 study. This analysis included 47 patients in the safety analysis set of the Japanese study and 153 patients who received CPX-351 and were included in the intention-to-treat analysis for the global study. In both the Japanese and global studies, the most frequent adverse events were febrile neutropenia (FN) (Japanese: 85.1%, global: 70.0%) and pneumonia (25.5% and 24.2%). Median time to occurrence was 8 and 11 days for FN, and 17 and 23 days for pneumonia. Median time to hematologic recovery was 36 and 41 days for neutrophils (> 1000/μL), and 36 and 44 days for platelets (> 100,000/μL). In the global study, univariate analysis was performed after one cycle of induction therapy to investigate factors that delay neutrophil and platelet recovery, but no specific factors were identified. In these analyses, the pattern and frequency of adverse events were similar in Japanese and non-Japanese patients, with no need for race- or region-specific management.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 351 participants or records.
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