A Study of SNDX-5613 in Combination With Intensive Chemotherapy in Participants With Acute Myeloid Leukemias
A Phase 1, Open-label, Dose-escalation, and Dose-expansion Study to Evaluate Safety, Tolerability, and Clinical Activity of SNDX-5613 in Combination With Intensive Chemotherapy in Participants With Newly Diagnosed Acute Myeloid Leukemias Harboring Alterations in Lysine-specific Methyltransferase 2A (KMT2A/MLL), Nucleophosmin 1 (NPM1), and Nucleoporin 98 (NUP98) Genes
Syndax Pharmaceuticals
76 participants
May 21, 2024
INTERVENTIONAL
Conditions
Summary
The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and clinical activity of SNDX-5613 in combination with intensive chemotherapy in participants with newly diagnosed acute myeloid leukemia (AML) harboring alterations in KMT2A, NPM1, or NUP98 genes.
Eligibility
Inclusion Criteria5
- Established, pathologically confirmed diagnosis of AML by World Health Organization 2022 criteria.
- Previously untreated AML and eligible to receive intensive chemotherapy.
- KMT2Ar, NPM1c, or NUP98r mutations identified by local laboratory prior to the first dose of SNDX-5613.
- Eastern Cooperative Oncology Group performance status ≤2 and ≤1 if \>65 years old .
- Adequate liver, kidney, and cardiac function.
Exclusion Criteria12
- Diagnosis of acute promyelocytic leukemia.
- Clinically active central nervous system leukemia (blasts detected in cerebrospinal fluid, radiographic or clinical signs and symptoms).
- Fridericia's corrected QT interval (QTcF) \>450 milliseconds (average of triplicate), diagnosis or suspicion of Long QT syndrome or family history of Long QT syndrome.
- Any gastrointestinal issue of the upper gastrointestinal tract that might affect oral drug absorption or ingestion.
- Cirrhosis with a Child-Pugh score of B or C.
- Any of the following within the 6 months prior to study entry: myocardial infarction, uncontrolled/unstable angina, congestive heart failure (New York Heart Association Classification Class ≥II), life-threatening, uncontrolled arrhythmia, cerebrovascular accident, or transient ischemic attack.
- Hepatitis B, Hepatitis C, or HIV-positive with detectable viral load.
- Documented active, uncontrolled infection.
- Uncontrolled disseminated intravascular coagulation.
- Lactating/breast feeding or pregnant.
- Use of prohibited concomitant chemotherapy, radiation therapy, or immunotherapy.
- Use of strong CYP3A4 inducers or inhibitors (except for Itraconazole, Ketoconazole, Posaconazole, or Voriconazole).
Interventions
Participants will receive SNDX-5613 orally during Induction, Consolidation, and Maintenance until meeting criteria for discontinuation.
Induction: Participants will receive an intravenous (IV), 2-drug combination of cytarabine and either daunorubicin or idarubicin.
Consolidation: Participants will receive HiDAC IV.
Locations(46)
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NCT06226571