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SNDX-5613

Phase 1

Acute Myeloid Leukemias | Small molecule | Hematology |Syndax Pharmaceuticals, Inc.|Last Updated: Jun 30, 2026

Target and mechanism

Molecular targetMenin
Target classProtein
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment76

FDA Designations

No designations recorded

Clinical trial landscape

SNDX-5613 · 1 trial · 1 indication

Phase 1 1
NCT06226571A Study of SNDX-5613 in Combination With Intensive Chemotherapy in Participants With Acute Myeloid LeukemiasAcute Myeloid Leukemias
ACTIVE NOT_RECRUITING76 Analytics
PHASE1ACTIVE NOT_RECRUITING
A Study of SNDX-5613 in Combination With Intensive Chemotherapy in Participants With Acute Myeloid Leukemias
Acute Myeloid LeukemiasUnlock trial analytics

Study Endpoints

Primary Endpoints

Dose Escalation: Number of Participants with Dose-limiting Toxicities
Up to Day 42
Number of Participants with Treatment-emergent Adverse Events (TEAEs)
Day 1 through 30 days after final dose (up to approximately 3 years)

Secondary Endpoints

Maximum Plasma Concentration (Cmax) of SNDX-5613 and Relevant Metabolites
Predose through Day 15
Area Under the Plasma Concentration Versus Time Curve From Time 0 to t (AUC0-t) of SNDX-5613 and Relevant Metabolites
Predose through Day 15
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SNDX-5613EXPERIMENTALDose Escalation: * Induction: Sequential cohorts of escalating dose levels of SNDX-5613 with chemotherapy regimen. * Consolidation: Cohorts will receive high-dose cytarabine (HiDAC) chemotherapy followed by SNDX-5613. * Maintenance Monotherapy: Cohorts will receive SNDX-5613. Dose Expansion: * Induction: SNDX-5613 at tolerated dose level with chemotherapy regimen. * Consolidation: Cohorts will receive SNDX-5613 with chemotherapy regimen and HiDAC. * Maintenance Monotherapy: Cohorts will receive SNDX-5613.

Interventions

NameTypeDescription
SNDX-5613DRUGParticipants will receive SNDX-5613 orally during Induction, Consolidation, and Maintenance until meeting criteria for discontinuation.
Chemotherapy RegimenDRUGInduction: Participants will receive an intravenous (IV), 2-drug combination of cytarabine and either daunorubicin or idarubicin.
HiDACDRUGConsolidation: Participants will receive HiDAC IV.
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites48

Inclusion Criteria: * 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-561...

Countries:United StatesAustraliaCanadaNetherlandsSpainUnited Kingdom
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Recent Changes (Last 90 Days)

MEDIUMJun 30, 2026NCT06226571Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJun 30, 2026NCT06226571Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJun 30, 2026NCT06226571Status: RECRUITING → ACTIVE_NOT_RECRUITING

Frequently asked questions about SNDX-5613

What is SNDX-5613 used for in Acute Myeloid Leukemias?

SNDX-5613 is an investigational small molecule being studied for the treatment of Acute Myeloid Leukemias. It is currently in Phase 1 clinical development and is not yet approved by regulatory authorities. The drug is being evaluated in combination with intensive chemotherapy in patients with this hematologic malignancy.

What does SNDX-5613 target?

SNDX-5613 targets menin, a protein involved in gene regulation. By inhibiting menin, the drug aims to disrupt pathways that drive the growth of Acute Myeloid Leukemia cells. This targeted approach is being investigated in a Phase 1 clinical trial for patients with this disease.

Who makes SNDX-5613?

SNDX-5613 is being developed by Syndax Pharmaceuticals, Inc., a biopharmaceutical company listed on the NASDAQ under the ticker symbol SNDX. The company is conducting clinical trials to evaluate the safety and efficacy of this investigational drug in patients with Acute Myeloid Leukemias.

What phase is SNDX-5613 in?

SNDX-5613 is currently in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by the FDA or other regulatory agencies. The ongoing Phase 1 trial is evaluating the drug in combination with intensive chemotherapy for patients with Acute Myeloid Leukemias.

What clinical trials is SNDX-5613 in?

SNDX-5613 is being studied in a Phase 1 clinical trial with the identifier NCT06226571. This trial, titled 'A Study of SNDX-5613 in Combination With Intensive Chemotherapy in Participants With Acute Myeloid Leukemias,' is active but not recruiting. It has an enrollment of 76 participants and is being conducted in the United States, Australia, Canada, Netherlands, Spain, and the United Kingdom.