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Ziftomenib in Relapsed or Refractory NPM1-Mutated AML
Eunice S Wang1, Pau Montesinos2, James Foran3
1Roswell Park Comprehensive Cancer Center, Buffalo, NY.
Summary
Ziftomenib shows significant clinical benefit for relapsed/refractory NPM1-mutated AML. This oral menin inhibitor was well-tolerated, demonstrating manageable side effects and deep responses in heavily pretreated patients.
Area of Science:
- Hematology
- Oncology
- Pharmacology
Background:
- Relapsed/refractory Acute Myeloid Leukemia (AML) with NPM1 mutations (NPM1-m) presents a significant unmet need.
- Targeting menin offers a novel therapeutic strategy for AML.
Purpose of the Study:
- To evaluate the efficacy and safety of ziftomenib, a potent oral menin inhibitor, as monotherapy for relapsed/refractory NPM1-m AML.
- To determine the complete remission (CR) or CR with partial hematologic recovery (CRh) rate in patients treated with ziftomenib.
Main Methods:
- Phase II of the KOMET-001 trial enrolled patients with relapsed/refractory NPM1-m AML.
- Ziftomenib was administered at 600 mg once daily.
- The primary endpoint was the CR/CRh rate.
Main Results:
- The CR/CRh rate was 22% (95% CI, 14-32), meeting the primary endpoint.
- 61% of patients achieved measurable residual disease negativity.
- The overall response rate was 33%, with a median duration of 4.6 months. Common adverse events included febrile neutropenia, anemia, and thrombocytopenia. Differentiation syndrome occurred in 25% of patients and was manageable.
Conclusions:
- Ziftomenib demonstrated significant clinical benefit and deep responses in heavily pretreated patients with relapsed/refractory NPM1-m AML.
- The drug was well-tolerated, with a manageable safety profile including differentiation syndrome.
- Ziftomenib represents a promising targeted therapy for this patient population.
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