What type of study is this?

This is a Human Clinical Trial study (also classified as: Pre-Registered Trial).

What question did this study set out to answer?

To evaluate the efficacy and safety of a chemotherapy-free treatment for children with acute promyelocytic leukemia.

December 8, 2025Blood

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Prospective trial evaluates non-chemotherapy regimen in children with APL, revealing high efficacy and safety outcomes.

To evaluate the efficacy and safety of a chemotherapy-free treatment for children with acute promyelocytic leukemia.
Open-label, prospective, non-randomized, multicenter trial in children and adolescents with newly diagnosed APL
Risk-stratified treatment using all-trans retinoic acid and arsenic trioxide for all, plus gemtuzumab ozogamicin for high-risk patients
Induction continued until hematological complete remission, followed by consolidation therapy.
Median follow-up of 21 months yielded 99% overall survival and 96.4% event-free survival across all patients
All patients achieved hematological complete remission at the end of induction
The combination treatment showed excellent safety profile with manageable adverse effects.

Merli et al. (2025) studied this question.

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