Evaluation of Revumenib in Participants With Colorectal Cancer and Other Solid Tumors

June 8, 2026 updated by: Syndax Pharmaceuticals

A Phase 1/2 Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of SNDX-5613 in Patients With Colorectal Cancer and Other Solid Tumors

This study will evaluate the safety, tolerability, pharmacokinetics (PK), and anti-tumor activity of revumenib in participants with colorectal cancer (CRC) or other solid tumors who have failed at least 1 prior line of therapy.

Study Overview

Status

Terminated

Detailed Description

The study will be conducted in two parts. The Phase 1 portion of the study consists of a dose escalation cohort, and a signal-seeking expansion where anti-tumor activity signals will be evaluated. The Phase 2 portion of the study will further confirm the anti-tumor activity signals of revumenib.

Study Type

Interventional

Enrollment (Actual)

41

Phase

  • Phase 2
  • Phase 1

Expanded Access

No longer available outside the clinical trial. See expanded access record.

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Arizona
      • Scottsdale, Arizona, United States, 85258
        • Honor Health Research Institute
    • Massachusetts
      • Boston, Massachusetts, United States, 02114
        • Massachusetts General Hospital
    • New York
      • Manhattan, New York, United States, 10065
        • Memorial Sloan Kettering Cancer Center
    • Ohio
      • Canton, Ohio, United States, 44718
        • Gabrail Cancer Center
    • Tennessee
      • Nashville, Tennessee, United States, 37232
        • Vanderbilt-Ingram Cancer Center
    • Virginia
      • Fairfax, Virginia, United States, 22031
        • Inova Schar Cancer Institute

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Key Inclusion Criteria:

  • Male and female participants aged ≥18 years
  • Participants with metastatic CRC or other solid tumors
  • Evidence of locally recurrent or metastatic disease based on imaging studies within 28 days of cycle 1/day 1 (C1D1)
  • CRC participants must have had at least one line of standard-of-care therapy and must have progressed on or been intolerant to, or unable to receive, oxaliplatin, irinotecan, and bevacizumab in the advanced/metastatic setting.
  • Other solid tumor participants must have had all approved standard therapies that are available to the participant, unless contraindicated or intolerable.
  • Participants must have experienced documented unequivocal progressive disease by either RECIST v1.1 or clinical assessment, or experienced unacceptable toxicity with their prior therapy.
  • Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 1
  • If receiving radiation therapy, has had a 2-week washout period following completion of the treatment prior to receiving the C1D1 dose and continues to have at least 1 measurable lesion
  • At least 42 days since prior immunotherapy, including tumor vaccines and checkpoint inhibitors, and at least 21 days since receipt of chimeric antigen receptor therapy or other modified T-cell therapy
  • Adequate bone marrow, renal, cardiac, and liver function

Key Exclusion Criteria:

  • Participant has a prior history of malignant bowel obstruction requiring hospitalization in the 6 months prior to enrollment
  • Participant has a history of uncontrolled ascites, defined as symptomatic ascites and/or repeated paracenteses for symptom control in the past 3 months
  • Detectable human immunodeficiency virus (HIV) viral load within the previous 6 months. Participants with a known history of HIV 1/2 antibodies must have viral load testing prior to study enrollment
  • Hepatitis B and/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
  • Corrected QT interval (QTc) >450 milliseconds
  • Any gastrointestinal (GI) issue of the upper GI tract likely to affect oral drug absorption or ingestion (for example, gastric bypass, gastroparesis)
  • Cirrhosis with a Child-Pugh score of B or C
  • Brain metastasis except for those participants who have completed definitive therapy, are not on steroids, have a stable neurologic status for at least 4 weeks after completion of the definitive therapy and steroids, and do not have neurologic dysfunction that would confound the evaluation of neurologic and other adverse events (AEs)
  • History of or any concurrent condition, therapy, laboratory abnormality, or allergy to excipients that in the Investigator's opinion might confound the results of the study, interfere with the participant's ability to participate for the full duration of the study, or not be in the best interest of the participant to participate
  • Participant has received prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to study baseline or who has not recovered (that is, ≤Grade 1 or at baseline) from AEs related to a previously administered agent.
  • Participation in another therapeutic interventional clinical study in which an investigational agent was administered within 30 days before starting revumenib
  • Participant has received a transfusion of blood products or administration of colony stimulating factors within 4 weeks of the first dose of the study drug
  • History of additional malignancy within the prior 5 years, excluding adequately treated basal cell carcinoma, squamous cell of the skin, cervical intraepithelial neoplasia/cervical carcinoma in situ, or melanoma in situ or ductal carcinoma in situ of the breast

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Sequential Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Phase 2: Chemotherapy
Participants will receive chemotherapy from Day 1 of each 28-day cycle.
Either Lonsurf® or Stivarga® administered per the investigator's choice at the respective drug label's dose and schedule. Participants may continue to receive treatment until disease progression or until they experience unacceptable toxicity.
Experimental: Phase 1a: Dose Escalation
Participants will receive revumenib tablets or capsules three times a day (TID) or two times a day (BID) from Day 1 of each 28-day cycle.
Revumenib administered orally with or without food. Participants may continue to receive treatment until disease progression or until they experience unacceptable toxicity.
Other Names:
  • SNDX-5613
Experimental: Phase 1b: Signal-Seeking
Participants will receive revumenib tablets TID or BID from Day 1 of each 28-day cycle.
Revumenib administered orally with or without food. Participants may continue to receive treatment until disease progression or until they experience unacceptable toxicity.
Other Names:
  • SNDX-5613
Experimental: Phase 2: Revumenib
Participants will receive revumenib tablets TID or BID from Day 1 of each 28-day cycle.
Revumenib administered orally with or without food. Participants may continue to receive treatment until disease progression or until they experience unacceptable toxicity.
Other Names:
  • SNDX-5613

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Phase 1a: Number of Participants Experiencing Dose Limiting Toxicities (DLTs)
Time Frame: Day 1 up to Day 28
DLT was defined as any of the following occurring in Cycle 1: Grade 4 neutropenia (absolute neutrophil count [ANC] <500 cells/mm^3) unresolved to Grade 2 (ANC >1500 cells/mm^3) or baseline for more than 7 consecutive days in the absence of growth factor support, ≥Grade 3 neutropenia (ANC <1000 cells/mm^3) with a single temperature of >38.3°Celsius (101°Fahrenheit) or a sustained temperature of ≥38°Celsius (100.4°Fahrenheit) for more than 1 hour, Grade 4 thrombocytopenia (<25,000/mm^3) of any duration, ≥Grade 3 thrombocytopenia (<50,000/mm^3) with clinically significant bleeding, Grade 4 anemia (i.e, life-threatening consequences; urgent intervention indicated) or ≥Grade 3 nonhematologic toxicity as defined in Common Terminology Criteria for Adverse Events version 5.0 scale where Grade 1=Mild, Grade 2=Moderate, Grade 3=Severe, medically significant, Grade 4=Life-threatening and 5=Death.
Day 1 up to Day 28
Phase 1: Number of Participants With Treatment-emergent Adverse Events (TEAEs)
Time Frame: Up to 2.2 years
An adverse event (AE) was defined as any untoward medical occurrence in a participant administered a pharmaceutical product and which did not necessarily have a causal relationship with this treatment. An AE was therefore any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of the study intervention, whether or not considered related to the study intervention. TEAEs were defined as those having an onset on or after the first dose of revumenib or a sign, symptom, or a diagnosis that worsened on or after first dose of revumenib but no later than 30 days after the date of the last dose of revumenib. A summary of all Serious Adverse Events and Other Adverse Events (nonserious) regardless of causality is located in the 'Reported Adverse Events' Section.
Up to 2.2 years
Phase 1: Disease Control Rate (DCR)
Time Frame: Up to 2.2 years
DCR was defined as the percentage of participants with objective evidence of confirmed complete response (CR), confirmed partial response (PR), or stable disease (SD) according to Response Evaluation in Solid Tumors (RECIST) version 1.1 criteria as assessed by the investigator. CR=disappearance of all target lesions; disappearance of non-target lesions. PR=At least a 30% decrease in the sum of the longest diameter (LD) of target lesions, taking as reference the baseline sum LD. SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started. PD=At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; appearance of one or more new lesions and/or unequivocal progression of existing nontarget lesions.
Up to 2.2 years
Phase 1: Overall Response Rate (ORR)
Time Frame: Up to 2.2 years
ORR was defined as the percentage of participants who achieved a best overall response of PR or CR according to RECIST v1.1 criteria as assessed by the investigator. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. CR=Disappearance of all target lesions; disappearance of all nontarget lesions.
Up to 2.2 years
Phase 2: Progression Free Survival (PFS)
Time Frame: Up to 2.2 years
PFS was defined as the time from the first dosing date to the first documented progression or death due to any cause, whichever occurred first.
Up to 2.2 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Phase 1a: Maximum Plasma Concentration (Cmax) of Revumenib
Time Frame: Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15, Cycle 5 Day 1 (Cycle length=28 days)
Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15, Cycle 5 Day 1 (Cycle length=28 days)
Phase 1b: Maximum Plasma Concentration (Cmax) of Revumenib
Time Frame: Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15 (Cycle length=28 days)
Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15 (Cycle length=28 days)
Phase 1a: Area Under the Plasma Concentration Versus Time Curve (AUC0-t) of Revumenib
Time Frame: Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15, Cycle 5 Day 1 (Cycle length=28 days)
Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15, Cycle 5 Day 1 (Cycle length=28 days)
Phase 1a: Time to Maximum Plasma Concentration (Tmax) of Revumenib
Time Frame: Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15, Cycle 5 Day 1 (Cycle length=28 days)
Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15, Cycle 5 Day 1 (Cycle length=28 days)
Phase 1b: Time to Maximum Plasma Concentration (Tmax) of Revumenib
Time Frame: Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15 (Cycle length=28 days)
Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15 (Cycle length=28 days)
Phase 1b: Area Under the Plasma Concentration Versus Time Curve (AUC0-t) of Revumenib
Time Frame: Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15 (Cycle length=28 days)
Cycle 1 Day 7, Cycle 1 Day 14, Cycle 2 Day 8, Cycle 2 Day 15 (Cycle length=28 days)
Phase 2: Area Under The Concentration Time Curve of Revumenib
Time Frame: Up to 2.2 years
Up to 2.2 years
Phase 2: Maximum Plasma Concentration (Cmax) of Revumenib
Time Frame: Up to 2.2 years
Up to 2.2 years
Phase 2: Time to Maximum Plasma Concentration (Tmax) of Revumenib
Time Frame: Up to 2.2 years
Up to 2.2 years
Phase 2: Number of Participants With TEAEs
Time Frame: Up to 2.2 years
An AE was defined as any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product and which did not necessarily have a causal relationship with this treatment. An AE was therefore any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of the study intervention, whether or not considered related to the study intervention. TEAEs were defined as those having an onset on or after the first dose of revumenib or a sign, symptom, or a diagnosis that worsened on or after first dose of revumenib but no later than 30 days after the date of the last dose of revumenib. A summary of all Serious Adverse Events and Other Adverse Events (nonserious) regardless of causality is located in the 'Reported Adverse Events' Section.
Up to 2.2 years
Phase 2: Overall Survival (OS)
Time Frame: Up to 2.2 years
OS was defined as the time from the date of first dosing of revumenib to death due to any cause.
Up to 2.2 years
Phase 2: Disease Control Rate (DCR) at 6 Cycles (28-Day Cycles) as Assessed by Blinded Radiographic Review
Time Frame: Up to 2.2 years
DCR was defined as the percentage of participants with objective evidence of confirmed CR, confirmed PR, or SD according to RECIST version 1.1 criteria as assessed by blinded radiographic review. CR=disappearance of all target lesions; disappearance of non-target lesions. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started. PD=At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; appearance of one or more new lesions and/or unequivocal progression of existing nontarget lesions.
Up to 2.2 years
Phase 2: ORR as Assessed by Blinded Radiographic Review
Time Frame: Up to 2.2 years
ORR was defined as the percentage of participants who achieved a best overall response of PR or CR according to RECIST v1.1 criteria as assessed by blinded radiographic review. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. CR=Disappearance of all target lesions; disappearance of all nontarget lesions.
Up to 2.2 years
Phase 2: Duration of Response (DOR) as Assessed by Blinded Radiographic Review
Time Frame: Up to 2.2 years
DOR was defined as the time from the first documented response (CR or PR) to the first documented objective PD or death due to any case according to RECIST v1.1 criteria as assessed by blinded radiographic review. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. CR=Disappearance of all target lesions; disappearance of all nontarget lesions. PD=At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; appearance of one or more new lesions and/or unequivocal progression of existing nontarget lesions.
Up to 2.2 years
Phase 2: Disease Control Rate (DCR) at 6 Cycles (28-Day Cycles) as Assessed by the Investigator
Time Frame: Up to 2.2 years
DCR was defined as the percentage of participants with objective evidence of confirmed CR, confirmed PR, or SD according to RECIST version 1.1 criteria as assessed by investigator. CR=disappearance of all target lesions; disappearance of non-target lesions. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started. PD=At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; appearance of one or more new lesions and/or unequivocal progression of existing nontarget lesions.
Up to 2.2 years
Phase 2: Overall Response Rate (ORR) as Assessed by the Investigator
Time Frame: Up to 2.2 years
ORR was defined as the percentage of participants who achieved a best overall response of PR or CR according to RECIST v1.1 criteria as assessed by investigator. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. CR=Disappearance of all target lesions; disappearance of all nontarget lesions.
Up to 2.2 years
Phase 2: DOR as Assessed by the Investigator
Time Frame: Up to 2.2 years
DOR was defined as the time from the first documented response (CR or PR) to the first documented objective PD or death due to any case according to RECIST v1.1 criteria as assessed by investigator. PR=At least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD. CR=Disappearance of all target lesions; disappearance of all nontarget lesions. PD=At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; appearance of one or more new lesions and/or unequivocal progression of existing nontarget lesions.
Up to 2.2 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 4, 2023

Primary Completion (Actual)

June 30, 2025

Study Completion (Actual)

June 30, 2025

Study Registration Dates

First Submitted

February 7, 2023

First Submitted That Met QC Criteria

February 15, 2023

First Posted (Actual)

February 16, 2023

Study Record Updates

Last Update Posted (Actual)

July 6, 2026

Last Update Submitted That Met QC Criteria

June 8, 2026

Last Verified

June 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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