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A Phase 1/2, Open-label, Dose-Escalation and Dose-Expansion Cohort Study of SNDX-5613 in Patients with Relapsed/Refractory Leukemias, Including Those Harboring an MLL/KMT2A Gene Rearrangement or Nucleophosmin 1 (NPM1) Mutation.

Status
Active, not recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-513759-34-00
Acronym
SNDX-5613-0700
Enrollment
34
Registered
2024-07-24
Start date
2022-05-31
Completion date
Unknown
Last updated
2025-08-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Relapsed or Refractory Acute Leukemias

Brief summary

Phase 1: Occurrence of dose-limiting toxicities (DLTs)., Phase 1: Frequency, duration, and severity of treatment-emergent adverse events (TEAEs), treatment-related TEAEs (TRAEs), and serious adverse events (SAEs)., Phase 1: Incidence and shifts of clinically significant clinical laboratory abnormalities., Phase 1: Change from baseline in other observations related to safety, including electrocardiograms (ECGs), vital signs, ophthalmologic examination findings, and performance status., Phase 1: Pharmacokinetic (PK) parameters: maximum plasma concentration (Cmax), time to maximum plasma concentration (Tmax), area under the plasma concentration versus time curve (AUC) from time 0 to t (AUC0–t), AUC from time 0 to 24 hours (AUC0–24), apparent oral clearance (CL/F), apparent volume of distribution (Vz/F), and half-life (t1/2)., In Phase 1, the study endpoints will be assessed by dose cohort and overall. and will apply to all arms unless otherwise stated in the endpoint., Phase 2: • CR+CRh rate. • Frequency, duration, and severity of TEAEs, TRAEs, and SAEs. • Incidence and shifts of clinically significant clinical laboratory abnormalities., Phase 2: Change from baseline in other observations related to safety, including ECGs, vital signs, ophthalmologic examination findings, and performance status. For Phase 2, endpoints will be assessed by disease cohort (2A, 2B, and 2C separately) and pooled MLLr population.

Detailed description

Phase 1: PK parameters for tablet vs. capsule evaluation: Cmax, Tmax, AUC0–t, AUC0–24, CL/F, Vz/F, t1/2., Phase 2: Transfusion independence, defined as any transfusion-free period lasting for at least 56 consecutive days, during which the patient is either on SNDX-5613 therapy or after cessation of SNDX-5613 therapy but prior to the start of new therapy., Phase 2: • CRc rate (ie, CR+CRh+CRi+CRp). • ORR (CRc+MLFS+PR). • Time to response. • Duration of response. • Event free survival. • Overall survival. • PK parameters: Cmax, Tmax, AUC0–t, AUC0–24, CL/F, Vz/F, and t1/2.

Interventions

DRUGRevumenib

Sponsors

Syndax Pharmaceuticals Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Phase 1: Occurrence of dose-limiting toxicities (DLTs)., Phase 1: Frequency, duration, and severity of treatment-emergent adverse events (TEAEs), treatment-related TEAEs (TRAEs), and serious adverse events (SAEs)., Phase 1: Incidence and shifts of clinically significant clinical laboratory abnormalities., Phase 1: Change from baseline in other observations related to safety, including electrocardiograms (ECGs), vital signs, ophthalmologic examination findings, and performance status., Phase 1: Pharmacokinetic (PK) parameters: maximum plasma concentration (Cmax), time to maximum plasma concentration (Tmax), area under the plasma concentration versus time curve (AUC) from time 0 to t (AUC0–t), AUC from time 0 to 24 hours (AUC0–24), apparent oral clearance (CL/F), apparent volume of distribution (Vz/F), and half-life (t1/2)., In Phase 1, the study endpoints will be assessed by dose cohort and overall. and will apply to all arms unless otherwise stated in the endpoint., Phase 2: • CR+CRh

Secondary

MeasureTime frame
Phase 1: PK parameters for tablet vs. capsule evaluation: Cmax, Tmax, AUC0–t, AUC0–24, CL/F, Vz/F, t1/2., Phase 2: Transfusion independence, defined as any transfusion-free period lasting for at least 56 consecutive days, during which the patient is either on SNDX-5613 therapy or after cessation of SNDX-5613 therapy but prior to the start of new therapy., Phase 2: • CRc rate (ie, CR+CRh+CRi+CRp). • ORR (CRc+MLFS+PR). • Time to response. • Duration of response. • Event free survival. • Overall survival. • PK parameters: Cmax, Tmax, AUC0–t, AUC0–24, CL/F, Vz/F, and t1/2.

Countries

France, Germany, Italy, Lithuania, Netherlands, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026