A Phase 1b Study of Menin Inhibitor SNDX- 5613 in Combination With Daunorubicin and Cytarabine in Newly Diagnosed Patients With Acute Myeloid Leukemia and NPM1 Mutated/FLT3 Wildtype or MLL/KMT2A Rearranged or NUP98 Alterations Disease
This phase Ib trial tests the safety, side effects, and best dose of SNDX-5613 when given in combination with the standard chemotherapy treatment (daunorubicin and cytarabine) in treating patients with newly diagnosed acute myeloid leukemia that has changes in the NPM1 gene or MLL/KMT2A gene. SNDX-5613 blocks signals passed from one molecule to another inside cancer cells that are needed for cancer cell survival. Drugs used in chemotherapy, such as daunorubicin and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Adding SNDX-5613 to the standard chemotherapy treatment may be able to shrink or stabilize the cancer for longer than the standard chemotherapy treatment alone.
Eligibility criteria
Qualifiers
Dose escalation: Patients ages 18-75 years at time of diagnosis with NPM1-mutated/FLT3-ITD wildtype and NPM1-mutated/FLT3-TKD wildtype with high-risk features (adverse risk genetics per European LeukemiaNet [ELN] 2022 criteria, age ≥ 60 years, or secondary AML defined as either arising from a prior hematological malignancy or therapy-related), MLL (KMT2A) rearranged or NUP98 altered, untreated AML and who are candidates for intensive induction chemotherapy. Patients with CD33+ AML are eligible for this protocol.
Dose expansion: Patients ages 18-75 years at time of diagnosis with NPM1-mutated/FLT3-ITD wildtype and NPM1-mutated/FLT3-TKD wildtype (any patient-does not require high-risk features), MLL (KMT2A) rearranged, or NUP98 altered, untreated AML and who are candidates for intensive induction chemotherapy. Patients with CD33+ AML are eligible for this protocol
Because no dosing or adverse event data are currently available on the use of SNDX-5613 in combination with daunorubicin and cytarabine in patients < 18 years of age, children are excluded from this study
Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 60%). Patients over the age of 65 must have an ECOG performance status of 0-1
Disqualifiers
History of allergic reactions attributed to compounds of similar chemical or biologic composition to SNDX-5613, daunorubicin or cytarabine
Patients with uncontrolled intercurrent illness or any other significant condition(s) that would make participation in this protocol unreasonably hazardous
Patient must not have received known strong or moderate CYP3A4 inhibitors, or strong CYP3A4 inducers (with the exception of antifungal prophylaxis with azoles) within 7 days of enrollment. As part of the enrollment/informed consent procedures, the patient will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the patient is considering a new over-the-counter medicine or herbal product
Pregnant women are excluded from this study because SNDX-5613 is a menin-KMT2A inhibitor agent with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with SNDX-5613, breastfeeding should be discontinued if the mother is treated with SNDX-5613. These potential risks may also apply to other agents used in this study