A Study of Revumenib in Combination With Chemotherapy in Participants With R/R Acute Leukemia

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Syndax Pharmaceuticals

Status and phase

Active, not recruiting
Phase 1

Conditions

Acute Lymphocytic Leukemia
Mixed Phenotype Acute Leukemia
Acute Undifferentiated Leukemia
Acute Lymphoblastic Leukemia
Acute Myeloid Leukemia
Relapsed/Refractory Leukemias

Treatments

Drug: Revumenib
Drug: Chemotherapy Regimen 2
Drug: Chemotherapy Regimen 1

Study type

Interventional

Funder types

Industry

Identifiers

NCT05326516
SNDX-5613-0702

Details and patient eligibility

About

The purpose of this study is to determine the safety and tolerability of revumenib when given in combination with 2 different chemotherapy regimens in participants with relapsed/refractory acute leukemias harboring KMT2A rearrangement, KMT2A amplification, NPM1c, or NUP98r.

Enrollment

30 patients

Sex

All

Ages

30+ days old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

  • Participants must have documented relapsed or refractory (R/R) AML, ALL, or acute leukemias of ambiguous lineage (ALAL) including MPAL and acute undifferentiated leukemia (AUL) harboring KMT2A rearrangement, KMT2A amplification, NPM1c, or NUP98r.

  • White blood count must be <25,000/microliter prior to the first dose of revumenib. Participants may receive cytoreduction per protocol prior to beginning revumenib.

  • Eastern Cooperative Oncology Group performance status score 0-2 (if aged ≥18 years); Karnofsky Performance Scale of ≥50 (if aged ≥16 years and <18 years); Lansky Performance Score of ≥50 (if aged <16 years).

  • Adequate liver, kidney, and cardiac function

  • Participant must be taking 1 of the following medications for antifungal prophylaxis: itraconazole, ketoconazole, posaconazole, or voriconazole.

  • A female of childbearing potential must agree to use a highly effective method of contraception or double barrier method from the time of enrollment through 120 days following the last study drug dose.

    • A male of childbearing potential must agree to use barrier contraception from the time of enrollment through 120 days following the last study drug dose.

Key Exclusion Criteria:

  • Any unresolved ≥Grade 2 reversible toxicity from previous anticancer therapy except alopecia or Grade 2 neuropathy

  • Graft-Versus-Host Disease (GVHD): Signs or symptoms of acute or chronic GVHD >Grade 0 within 4 weeks of enrollment. All transplant participants must have discontinued all systemic immunosuppressive therapy for at least 2 weeks and calcineurin inhibitors for at least 4 weeks prior to enrollment. Participants may be on physiological doses of steroids.

  • Concurrent malignancy in the previous 2 years, with the exception of basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or carcinoma in situ (for example, breast carcinoma, cervical cancer in situ, melanoma in situ) treated with potentially curative therapy. Concurrent malignancy must be in complete remission or no evidence of disease during this timeframe. For participants with therapy-related leukemia, primary disease must be in remission for 1-year following completion of therapy.

  • If the participant is known to be human immunodeficiency virus (HIV)-positive, the participant must have undetectable HIV viral load within the previous 6 months.

  • Hepatitis B

  • Hepatitis C

  • Cardiac Disease:

    • 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.
    • QTcF interval >450 milliseconds
  • Any gastrointestinal (GI) issue of the upper GI tract that might affect oral drug absorption or ingestion (for example, gastric bypass, gastroparesis).

  • Cirrhosis with a Child-Pugh score of B or C

  • Down Syndrome

  • Genetic syndromes: Bloom syndrome, ataxia-telangiectasia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or any other known bone marrow failure syndrome.

  • Participation in another therapeutic interventional clinical study within 28 days of starting revumenib.

  • Radiation Therapy: within 60 days from prior total body irradiation, craniospinal radiation and/or ≥50% radiation of the pelvis, or within 14 days from local palliative radiation therapy (small port).

  • Stem Cell Infusion or Donor Lymphocyte Infusion: within 60 days from hematopoietic stem cell transplantation and within 28 days from donor lymphocyte infusion without conditioning.

  • Biologics (for example, monoclonal antibody therapy, bispecific antibodies, and antibody-drug conjugates): within 28 days or 5 half-lives, whichever is longer, since the completion of therapy with a biologic agent.

  • Immunotherapy: within 42 days since tumor vaccines and checkpoint inhibitors, and within 21 days since receipt of chimeric antigen receptor therapy or other modified T-cell therapy.

  • Hematopoietic Growth Factors: within 7 days since the completion of therapy with short-acting hematopoietic growth factors and within 14 days with long-acting growth factors.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

30 participants in 2 patient groups

Revumenib and Chemotherapy Regimen 1
Experimental group
Description:
Participants with acute lymphoblastic leukemia/mixed phenotype acute leukemia (ALL/MPAL) will receive revumenib every 12 hours in combination with 2 treatment cycles of Chemotherapy Regimen 1.
Treatment:
Drug: Chemotherapy Regimen 1
Drug: Revumenib
Revumenib and Chemotherapy Regimen 2
Experimental group
Description:
Participants with ALL/MPAL or acute myeloid leukemia (AML) will receive revumenib every 12 hours in combination with 2 treatment cycles of Chemotherapy Regimen 2.
Treatment:
Drug: Chemotherapy Regimen 2
Drug: Revumenib

Trial contacts and locations

11

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Central trial contact

Syndax Pharmaceuticals

Data sourced from clinicaltrials.gov

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