Olutasidenib Combined With Co-targeted Therapy in Relapsed or Refractory IDH1-mutated Myeloid Malignancies Harboring Activated Signaling Pathway Mutations

Recruiting now · Phase 2

Conditions studied: Targeted Therapy, IDH1-Mutated Malignancies, Mutations

In brief

To learn about the safety and tolerability of study drug combinations in patients with relapsed/refractory, IDH1-mutated myeloid malignancies with a co-signaling mutation.

Key facts

Study ID

NCT07032727

Run by

M.D. Anderson Cancer Center

People needed

68

Starts

2025-09-12

Expected to finish

2029-06-01

Last updated by the study team

2026-04-15

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥ 18 years.
• Participants with a diagnosis of relapsed and/or refractory AML (including biphenotypic or bilineage leukemia including a myeloid component) OR high-risk MDS, MPN, or MDS/MPN (defined as ≥10% blasts on peripheral flow cytometry or bone marrow biopsy).
• Participants must have a documented IDH1 mutation.
• Participants must also have a documented co-signaling mutation in one or more of the following: KRAS, NRAS, PTPN11, CBL, NF1, FLT3-ITD, FLT3-TKD, KIT, JAK2, MPL, CALR, CSF3R.
• Eastern Cooperative Oncology Group (ECOG) Performance Status ≤2.
• Adequate renal function with estimated GFR ≥ 30 by the 2021 Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI).
• Adequate hepatic function, defined as direct bilirubin ≤ 2x upper limit of normal (ULN) and AST and ALT ≤ 3x ULN unless the increase is due to Gilbert's disease or leukemic involvement, in which case direct bilirubin, AST, and ALT ≤ 5x ULN will be considered eligible.
• The interval from prior treatment to time of initiation will be at least 14 days OR five half-lives for both cytotoxic and non-cytotoxic (e.g. immunotherapy agent(s)). Oral hydroxyurea and/or cytarabine (up to 2g/m2) is allowed for participants with rapidly proliferative disease prior tothe start and during the first two cycles of therapy, for clinical benefit and after discussion with the PI. Continuation of concurrent intrathecal therapy for controlled CNS disease is permitted.
• Ability to understand and the willingness to sign an informed consent document.

You may not qualify if…

• Participants who have received prior olutasidenib (Rezlidhiai, previously FT-2102).
• Participants with translocation t(15;17) or acute promyelocytic leukemia (French-American British (FAB) class M3-AML).
• Participants with any concurrent uncontrolled clinically significant medical condition, including life threatening infection, which could place the patient at unacceptable risk of study treatment.
• Participants with any uncontrolled psychiatric illness that would limit compliance with study requirements.
• Participants with a New York Heart Association (NYHA) Functional Classification of III or IV.
• Participants with active graft-versus-host-disease (GVHD) status post stem cell transplant (Participants without active GVHD on phototherapy for chronic skin GVHD are permitted after discussion with the PI). Participants must have discontinued calcineurin inhibitors at least 4 weeks prior to the start of study treatment.
• Participants with active, uncontrolled CNS leukemia.
• Participants with any severe gastrointestinal or metabolic condition which could interfere with the absorption of oral study medications.
• Known active hepatitis B (HBV), hepatitis C (HCV), or human immunodeficiency virus (HIV) infection. For participants with evidence of chronic HBV or HIV infection, the HBV or HIV viral load must be undetectable, respectively. For participants with a history of HCV, it must be treated and cured with an undetectable HCV viral load.
• Participant has white blood cell count >25 x 109/L (Note: Hydroxyurea and cytarabine are permitted to mean this criterion).
• The effects of the study drug on the developing human fetus or transmission through breast feeding are unknown. Therefore, nursing women and women with a positive urine pregnancy test and excluded. Additionally, women of child-bearing potential (WOCBP) and men who are sexually active with WOCBP who are not willing to maintain adequate contraception are excluded.
• a. WOCBP includes all female participants between the onset of menses (as early as 8 years of age) to 55 years unless the patient presents with an applicable exclusionary factor which may be one of the following: i. Postmenopausal (no menses in greater than or equal to 12 consecutive months).
• ii. History of hysterectomy or bilateral salpingo-oophorectomy. iii. Ovarian failure (Follicle Stimulating Hormone and Estradiol in menopausal range, who have received Whole Pelvic Radiation Therapy).
• iv. History of bilateral tubal ligation or another surgical sterilization procedure.
• b. Approved methods of birth control are as follows: hormonal contraception (i.e. birth control pills, injection, transdermal patch, vaginal ring, hormonal implant), intrauterine device (IUD), tubal ligation or hysterectomy, subject/partner post-vasectomy, double barrier methods (e.g. condom in combination with spermicide). Abstinence for the duration of the trial and drug washout period is an acceptable practice; however periodic abstinence, the rhythm method, and the withdrawal method are not acceptable methods of birth control. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform the treating physician immediately.
• c. Adequate contraception must be maintained from initiation of the study drug until 90 days after the last dose of the study drug.
• History of an allergic reaction to venetoclax, gilteritinib, ruxolitinib, cladribine, or cytarabine.

Where it is running

• MD Anderson Cancer Center — Houston, Texas, United States (enrolling)

Full record on ClinicalTrials.gov

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