Itacitinib, Tacrolimus, and Sirolimus for the Prevention of GVHD in Patients With Acute Leukemia, Myelodysplastic Syndrome, or Myelofibrosis Undergoing Reduced Intensity Conditioning Donor Stem Cell Transplantation

Completed · Phase 2

Conditions studied: Acute Leukemia, Hematologic and Lymphocytic Disorder, Myelodysplastic Syndrome, Primary Myelofibrosis, Secondary Myelofibrosis

In brief

This phase IIa trial studies the side effects of itacitinib when given together with standard treatment (tacrolimus and sirolimus), and to see how well it works in preventing graft-versus-host-disease (GVHD) in patients with acute leukemia, myelodysplastic syndrome or myelofibrosis who are undergoing reduced intensity conditioning donor stem cell transplantation. GVHD is a common complication after donor stem cell transplantation, resulting from donor immune cells recognizing recipients' cells and attacking them. Adding itacitinib to tacrolimus and sirolimus may reduce the risk GVHD and ultimately improve overall outcome and survival after donor stem cell transplantation.

Key facts

Study ID

NCT04339101

Run by

City of Hope Medical Center

People needed

59

Starts

2020-11-11

Expected to finish

2025-10-09

Last updated by the study team

2026-03-30

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Documented informed consent of the participant and/or legally authorized representative
• Assent, when appropriate, will be obtained per institutional guidelines
• Agreement to allow the use of archival tissue from diagnostic tumor biopsies
• If unavailable, exceptions may be granted with study principal investigator (PI) approval
• Performance status: Karnofsky >= 70%
• Patients with neoplastic hematologic disorders with indication of allogeneic transplant according to the standard guidelines as follows:
• Acute leukemia (AL) in first complete response (CR1) or subsequent complete response (CR) or active disease with bone marrow (BM) blast of < 5%
• Myelodysplastic syndrome (MDS) with intermediate-2 or high risk per International Prognostic Scoring System (IPSS) or
• Myelofibrosis; primary or secondary if intermediate-2 or high risk per Dynamic International Prognostic Scoring System (DIPPS)
• All candidates for this study must have a matched related donor (MRD) who is willing to donate BM or peripheral blood stem cells or an 8/8 allele matched unrelated donor (MUD)
• Total bilirubin =< 1.5 X upper limit of normal (ULN) (unless has Gilbert's disease) (performed within 28 days prior to day 1 of protocol therapy unless otherwise stated. In case of active disease, evaluation should be done within 15 days)
• Aspartate aminotransferase (AST) =< 2.5 x ULN (performed within 28 days prior to day 1 of protocol therapy unless otherwise stated. In case of active disease, evaluation should be done within 15 days)
• Alanine aminotransferase (ALT) =< 2.5 x ULN (performed within 28 days prior to day 1 of protocol therapy unless otherwise stated. In case of active disease, evaluation should be done within 15 days)
• Creatinine clearance of >= 60 mL/min per 24 hour urine test or the Cockcroft-Gault formula (performed within 28 days prior to day 1 of protocol therapy unless otherwise stated. In case of active disease, evaluation should be done within 15 days)
• Left ventricular ejection fraction (LVEF) >= 50%
• Note: To be performed within 28 days prior to day 1 of protocol therapy
• If able to perform pulmonary function tests: forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC) and diffusion capacity of the lung for carbon monoxide (DLCO) (diffusion capacity) >= 50% of predicted (corrected for hemoglobin). If unable to perform pulmonary function tests: oxygen (O2) saturation > 92% on room air.
• Note To be performed within 28 days prior to day 1 of protocol therapy
• Seronegative for human immunodeficiency virus (HIV) antigen (Ag)/antibody (Ab) combination (combo), hepatitis C virus (HCV), active hepatitis B virus (HBV) (surface antigen negative), and syphilis (rapid plasma reagin measurement [RPR])
• If HCV positive, hepatitis C ribonucleic acid (RNA) quantitation must be performed
• Meets other institutional and federal requirements for infectious disease titer requirements
• Note Infectious disease testing to be performed within 28 days prior to day 1 of protocol therapy
• Women of childbearing potential (WOCBP): negative urine or serum pregnancy test. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
• Agreement by females and males of childbearing potential to use an effective method of birth control or abstain from heterosexual activity for the course of the study through at least 6 months after the last dose of protocol therapy
• Childbearing potential defined as not being surgically sterilized (men and women) or have not been free from menses for > 1 year (women only)

You may not qualify if…

• Chemotherapy, radiation therapy, biological therapy, and/or immunotherapy within 21 days prior to day 1 of protocol therapy
• Note: Conditioning regimen within 21 days prior to day 1 of protocol therapy is not considered as an exclusion criterion
• History of allergic reactions attributed to compounds of similar chemical or biologic composition to study agent
• Psychological issues, no appropriate caregivers identified, or non-compliant to medication
• Uncontrolled medical or psychiatric disorders which may preclude patients to undergo clinical studies (Discretion of the attending physician)
• Active diarrhea due to inflammatory bowel disease or malabsorption syndrome
• Clinically significant uncontrolled illness
• Active, uncontrolled systemic infection (bacterial, viral, or fungal) requiring antibiotics
• Known history of immunodeficiency virus (HIV) or hepatitis B or hepatitis C infection
• Diagnosis of Gilbert's disease
• Other active malignancy
• Females only: Pregnant or breastfeeding
• Any other condition that would, in the investigator's judgment, contraindicate the patient's participation in the clinical study due to safety concerns with clinical study procedures
• Prospective participants who, in the opinion of the investigator, may not be able to comply with all study procedures (including compliance issues related to feasibility/logistics)

Where it is running

• City of Hope Medical Center — Duarte, California, United States

Full record on ClinicalTrials.gov

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