Reference Detail

Ref Type

Journal Article

PMID

(39362248)

Authors

Wang ES, Issa GC, Erba HP, Altman JK, Montesinos P, DeBotton S, Walter RB, Pettit K, Savona MR, Shah MV, Kremyanskaya M, Baer MR, Foran JM, Schiller G, Adès L, Heiblig M, Berthon C, Peterlin P, Rodríguez-Arbolí E, Salamero O, Patnaik MM, Papayannidis C, Grembecka J, Cierpicki T, Clegg B, Ray J, Linhares BM, Nie K, Mitra A, Ahsan JM, Tabachri M, Soifer HS, Corum D, Leoni M, Dale S, Fathi AT

Title

Ziftomenib in relapsed or refractory acute myeloid leukaemia (KOMET-001): a multicentre, open-label, multi-cohort, phase 1 trial.

Journal	Vol	Issue	Date	Pages	Journal Short Title
The Lancet. Oncology	25	10	2024 Oct	1310-1324	Lancet Oncol

URL

Abstract Text

Ziftomenib (KO-539) is an oral selective menin inhibitor with known preclinical activity in menin-dependent acute myeloid leukaemia models. The primary objective of this study was to determine the recommended phase 2 dose in patients with relapsed or refractory acute myeloid leukaemia based on safety, pharmacokinetics, pharmacodynamics, and preliminary activity.KOMET-001 is a multicentre, open-label, multi-cohort, phase 1/2 clinical trial of ziftomenib in adults with relapsed or refractory acute myeloid leukaemia. Results of the phase 1 study, conducted at 22 hospitals in France, Italy, Spain, and the USA, are presented here and comprise the dose-escalation (phase 1a) and dose-validation and expansion (phase 1b) phases. Eligible patients were aged 18 years or older, had relapsed or refractory acute myeloid leukaemia, and had an Eastern Cooperative Oncology Group performance status of 2 or less. For phase 1a, patients (all molecular subtypes) received ziftomenib (50-1000 mg) orally once daily in 28-day cycles. For phase 1b, patients with NPM1 mutations or with KMT2A rearrangements were randomly assigned (1:1) using third-party interactive response technology to two parallel dose cohorts (200 mg and 600 mg ziftomenib). Primary endpoints were maximum tolerated dose or recommended phase 2 dose in phase 1a, and safety, remission rates, and pharmacokinetics supporting recommended phase 2 dose determination in phase 1b. Analyses were performed in all patients who received at least one dose of ziftomenib (modified intention-to-treat population). Phase 1a/1b is complete. This trial is registered with ClinicalTrials.gov, NCT04067336, and the EU Clinical Trials register, EudraCT 2019-001545-41.From Sept 12, 2019, to Aug 19, 2022, 83 patients received 50-1000 mg ziftomenib (39 [47%] were male and 44 [53%] were female). Median follow-up was 22·3 months (IQR 15·4-30·2). Of 83 patients, the most common grade 3 or worse treatment-emergent adverse events were anaemia (20 [24%]), febrile neutropenia (18 [22%]), pneumonia (16 [19%]), differentiation syndrome (12 [15%]), thrombocytopenia (11 [13%]), and sepsis (ten [12%]). Overall, 68 of 83 patients had serious adverse events, with two reported treatment-related deaths (one differentiation syndrome and one cardiac arrest). Differentiation syndrome rate and severity influenced the decision to halt enrolment of patients with KMT2A rearrangements. In Phase 1b, no responses were reported in patients treated at the 200 mg dose level. At the recommended phase 2 dose of 600 mg, nine (25%) of 36 patients with KMT2A rearrangement or NPM1 mutation had complete remission or complete remission with partial haematologic recovery. Seven (35%) of 20 patients with NPM1 mutation treated at the recommended phase 2 dose had a complete remission.Ziftomenib showed promising clinical activity with manageable toxicity in heavily pretreated patients with relapsed or refractory acute myeloid leukaemia. Phase 2 assessment of ziftomenib combination therapy in the upfront and relapsed or refractory setting is ongoing.Kura Oncology.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References
KMT2A rearrange	acute myeloid leukemia	no benefit	Ziftomenib	Phase I	Actionable	In a Phase Ib trial (KOMET-001), Ziftomenib treatment resulted in an overall response rate of 17% (3/18) and a complete remission or complete remission with partial hematologic recovery rate of 11% (2/18) at the recommended Phase II dose level in acute myeloid leukemia patients harboring KMT2A rearrangements, but enrollment was halted due to increased frequency of differentiation syndrome (PMID: 39362248; NCT04067336).	39362248