FDA Partial Hold on Kura Leukemia Trial

FDA has placed on partial clinical hold a Kura Oncology Phase 1b study (KOMET-001) of KO-539 in patients with relapsed or refractory acute myeloid leukemia (AML). The hold is the result of  the company’s recent report to the agency about a Grade 5 serious adverse event (patient death) “potentially associated with differentiation syndrome, a known adverse event related to differentiating agents in the treatment of AML,” according to the company. Patients currently enrolled may continue to receive KO-539, although no additional patients may be enrolled until the partial clinical hold is resolved, it says. KO-539 is described as a potent and selective menin inhibitor.

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