Study of Venetoclax in Combination With Chemotherapy in Pediatric Patients With Refractory or Relapsed Acute Myeloid Leukemia or Acute Leukemia of Ambiguous Lineage

Summary

The purpose of this study is to test the safety and determine the best dose of venetoclax and cytarabine when given with or without idarubicin in treating pediatric patients with acute myeloid leukemia (AML) that did not respond to treatment (refractory) or has come back after treatment (relapsed). PRIMARY OBJECTIVE: Determine a tolerable combination of venetoclax plus chemotherapy in pediatric patients with relapsed or refractory AML or acute leukemia of ambiguous lineage. The primary endpoints are the recommended phase 2 doses (RP2D) of venetoclax plus cytarabine and venetoclax plus cytarabine and idarubicin. SECONDARY OBJECTIVE: Estimate the overall response rate to the combination of venetoclax and chemotherapy in pediatric patients with relapsed or refractor AML or acute leukemia of ambiguous lineage. The secondary endpoints are the rates of complete remission (CR) and complete remission with incomplete count recovery (CRi) for patients treated at the RP2D.

Timeline

Start

2017-07-11

Primary completion

2020-10-27

Completion

2022-06-22

Publications

• Daniels KP, Pounds SB, Wu H, Wang L, Alexander TB, Budhraja A, Wolf J, Westover T, Mead PE, Mehr CM, Gupta SD, Lacayo NJ, Inaba H, Rees M, Pui CH, Opferman JT, Klco JM, Rubnitz JE, Karol SE. Venetoclax in combination with cytarabine with or without idarubicin or azacitidine in children, adolescents, and young adults with relapsed or refractory acute myeloid leukaemia (VENAML): a multicentre, phase 1 expansion study. Lancet Haematol. 2026 Jul 8:S2352-3026(26)00136-5. doi: 10.1016/S2352-3026(26)00136-5. Online ahead of print.
• Badawi M, Gopalakrishnan S, Engelhardt B, Palenski T, Karol SE, Rubnitz JE, Menon R, Salem AH. Dosing of Venetoclax in Pediatric Patients with Relapsed Acute Myeloid Leukemia: Analysis of Developmental Pharmacokinetics and Exposure-Response Relationships. Clin Ther. 2024 Oct;46(10):759-767. doi: 10.1016/j.clinthera.2024.09.008. Epub 2024 Oct 5.
• Karol SE, Alexander TB, Budhraja A, Pounds SB, Canavera K, Wang L, Wolf J, Klco JM, Mead PE, Das Gupta S, Kim SY, Salem AH, Palenski T, Lacayo NJ, Pui CH, Opferman JT, Rubnitz JE. Venetoclax in combination with cytarabine with or without idarubicin in children with relapsed or refractory acute myeloid leukaemia: a phase 1, dose-escalation study. Lancet Oncol. 2020 Apr;21(4):551-560. doi: 10.1016/S1470-2045(20)30060-7. Epub 2020 Mar 11.

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Indications