IDH1 Inhibition Using Ivosidenib as Maintenance Therapy for IDH1-mutant Myeloid Neoplasms Following Allogeneic Stem Cell Transplantation

Completed · Phase 1

Conditions studied: IDH1 Mutation Myeloid Neoplasms

In brief

This research study is studying a drug as a possible treatment for IDH1-mutant myeloid neoplasms. -The drug involved in this study is ivosidenib (AG-120)

Key facts

Study ID

NCT03564821

Run by

Massachusetts General Hospital

People needed

18

Starts

2019-01-16

Expected to finish

2023-06-06

Last updated by the study team

2025-11-04

Who can join

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

You may qualify if…

• Pathologically confirmed diagnosis of IDH1(R132)-mutant acute myeloid leukemia (AML), myelodysplastic syndrome (MDS) or chronic myelomonocytic leukemia (CMML). IDH1 mutations could have been detected by any mutational technique at any prior point including at diagnosis or remission.
• Between the ages of 18 and 75 years
• Will undergo allogeneic hematopoietic stem cell transplantation (HSCT) for their malignancy. Conditioning may be either conventional myeloablative (MAC) or reduced intensity conditioning (RIC).
• HSCT Donor will be one of the following:
• 5/6 or 6/6 (HLA-A, B, DR) matched related donor
• 7/8 or 8/8 (HLA-A, B, DR, C) matched unrelated donor. Matching in the unrelated setting must be at the allele level.
• Haploidentical related donor, defined as ≥ 3/6 (HLA-A, B, DR) matched --≥ 4/6 (HLA-A, B, DR) umbilical cord blood (UCB). Matching in the UCB setting is at the antigen level. Recipients may receive either one or two UCB units. In the case of 2 UCB units, both units must have been at least 4/6 matched with the recipient.
• ECOG performance status ≤ 2
• Participants must have normal organ and marrow function as defined below:
• Absolute neutrophil count ≥ 1000/µL without growth factor support (e.g. GCSF) in the previous 7 days
• Platelet count ≥ 50,000/µL without transfusional support in the previous 7 days
• AST (SGOT), ALT (SGPT) and Alkaline phosphatase < 3x institutional upper limit of normal (ULN)
• Direct bilirubin < 2.0 mg/dL
• Calculated creatinine clearance ≥ 40 mL/min (Cockcroft-Gault formula)
• LVEF must be equal to or greater than 40%, as measured by MUGA scan or echocardiogram
• Female patients of childbearing potential must have a negative pregnancy test
• The effects of ivosidenib on the developing human fetus are unknown. For this reason female participants of child-bearing potential and male participants must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) during the entire study treatment period and through 90 days after the last dose of treatment
• Ability to understand and the willingness to sign a written informed consent document

You may not qualify if…

• Prior allogeneic hematopoietic stem cell transplants.
• Evidence of relapsed/recurrent/residual disease as assessed by bone marrow aspirate and biopsy performed within 42 days prior to study entry.
• History of other malignancy(ies) unless
• the participant has been disease-free for at least 5 years and is deemed by the investigator to be at low risk of recurrence of that malignancy, or
• the only prior malignancy was cervical cancer in situ and/or basal cell or squamous cell carcinoma of the skin
• Known diagnosis of active hepatitis B or hepatitis C
• Current or history of congestive heart failure New York Heart Association (NHYA) class 3 or 4, or any history of documented diastolic or systolic dysfunction (LVEF < 40%, as measured by MUGA scan or echocardiogram)
• Current or history of ventricular or life-threatening arrhythmias or diagnosis of long-QT syndrome
• QTc interval (i.e., Friderica's correction [QTcF]) ≥ 450 ms or other factors that increase the risk of QT prolongation or arrhythmic events (e.g., heart failure, hypokalemia, family history of long QT interval syndrome) at screening
• Systemic infection requiring IV antibiotic therapy within 7 days preceding the first dose of study drug, or other severe infection
• Uncontrolled intercurrent illness that would limit compliance with study requirements.
• HIV-positive participants on combination antiretroviral therapy are ineligible because of the potential for pharmacokinetic interactions with study drug. In addition, these participants are at increased risk of lethal infections when treated with marrow-suppressive therapy.

Where it is running

• Johns Hopkins Cancer Center — Baltimore, Maryland, United States
• Dana Farber Cancer Institute — Boston, Massachusetts, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States
• Ohio State University Comprehensive Cancer Center — Columbus, Ohio, United States

Full record on ClinicalTrials.gov

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