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Hematologic and Lymphocytic DisorderPhase 2NCT04859946

Itacitinib for the Prevention of Graft Versus Host Disease

A Phase 2 study testing Allogeneic Hematopoietic Stem Cell Transplantation, Busulfan and Cyclophosphamide in people with Hematologic and Lymphocytic Disorder, run by M.D. Anderson Cancer Center at 1 site in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

This phase II trial studies if itacitinib plus standard of care treatment may help prevent graft-versus-host-disease (GVHD) in patients who have received an allogeneic (donor) stem cell transplant. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Hematologic and Lymphocytic Disorder
What is being tested?
Allogeneic Hematopoietic Stem Cell Transplantation, Busulfan and Cyclophosphamide
Could I receive a placebo?
No, everyone receives an active treatment
How many people
31 participants
Where
1 siteUnited States
Study dates
11 Jan 2022to 1 Apr 2027
Phase
Phase 2
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients 18 years to less than or equal to 70 years
  • English and non-English speaking patients are eligible
  • Karnofsky performance status of at least 70
  • Patients with hematological disorders undergoing allogeneic stem cell transplant (ASCT) with conditioning regimen of fractionated busulfan, thiotepa and fludarabine
  • Donor will be matched at HLA A, B, C and DR at allele level. Donor will be either HLA-identical sibling or at least 7/8 matched unrelated donor, or a haploidentical related donor available.
  • Life expectancy of at least 12 weeks (3 months)
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  • Direct bilirubin not greater than 1 mg/dL
  • Alanine transaminase (ALT) less than or equal 3 x upper limit of normal range
  • Creatinine clearance >/= 60 ml/ min
  • Diffusing capacity for carbon monoxide (DLCO) 50% of predicted corrected for hemoglobin
  • Left ventricular ejection fraction (LVEF) of at least 50%
  • Women of childbearing potential must have a negative serum pregnancy test performed within 7 days prior to the start of study drug. Post-menopausal women (defined as no menses for at least 1 year) and surgically sterilized women are not required to undergo a pregnancy test
  • Subjects (men and women) of childbearing potential must agree to use adequate contraception beginning at the signing of the informed consent form (ICF) until at least 30 days after the last dose of study drug. Recommended methods of birth control are:
  • Hormonal contraception (birth control pills, patches, or rings)
  • Intrauterine device (IUD)
  • Birth control injections
  • Double barrier methods (diaphragm with spermicidal gel or condoms with birth control foam)
  • Sterilization of patient or partner ("tubes tied" or vasectomy)
  • Patients enrolled on this study may be enrolled on other IND studies at the discretion of the PI

Who cannot join

  • Patients with acute leukemia in the first complete remission and chronic myeloid leukemia in the first chronic phase during the initial enrollment of 6 patients
  • Patients with toxicities (Grade > 1) unresolved from prior treatment (including chemotherapy, targeted therapy, immunotherapy, experimental agents, radiation, or surgery)
  • Haploidentical recipients should not have donor-specific antibodies (DSA)
  • Active or clinically significant cardiac disease including:
  • Congestive heart failure - New York Heart Association (NYHA) > class II
  • Active coronary artery disease
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  • Cardiac arrhythmias requiring anti-arrhythmic therapy other than beta blockers or digoxin
  • Unstable angina (anginal symptoms at rest), new-onset angina within 3 months before transplant, or myocardial infarction within 6 months before transplant
  • Patients with active hepatitis B and C
  • Patients with cognitive impairments and/or any serious unstable pre-existing medical condition or psychiatric disorder that can interfere with safety or with safety or with obtaining informed consent or compliance with study procedures

Trial locations and contacts

1 site in 1 country.

United States1 site
  • M D Anderson Cancer Center

    Houston, Texas, 77030

Other trials in United States

About this study

Official title: Itacitinib to Prevent Graft Versus Host Disease

This phase II trial studies if itacitinib plus standard of care treatment may help prevent graft-versus-host-disease (GVHD) in patients who have received an allogeneic (donor) stem cell transplant. An allogeneic transplant uses blood-making cells from a family member or unrelated donor to remove and replace a patient's abnormal blood cells. Sometimes the transplanted cells from a donor can attack the body's normal cells (called graft-versus-host disease). Giving itacitinib with standard of care treatment after the transplant may stop this from happening.

Read the detailed description

PRIMARY OBJECTIVE:

  1. To compare the 100-day acute grade 2-4 GvHD rate to matched controls.

SECONDARY OBJECTIVES:

  1. To compare the 1-year rate of GvHD-free, relapse-free survival to matched controls.

II. To assess the time to neutrophil and platelet engraftment. III. To assess the toxicity profile associated with this regimen. IV. To assess the incidence of severe grade 3-4 acute GVHD. V. To assess the incidence of limited, extensive, and moderate to severe chronic GVHD.

VI. To assess the incidence of disease relapse. VII. To assess the incidence of non-relapse mortality. VIII. To assess overall survival and progression-free survival. IX. To assess immunosuppression discontinuation rate.

TERTIARY OBJECTIVE (CORRELATIVE STUDY):

  1. Immune recovery and cytokines at various time points pre- and post- transplant

OUTLINE:

CONDITIONING: Patients receive busulfan intravenously (IV) over 3 hours on days -20, -13, and -6 to -3, thiotepa IV on day -7, and fludarabine IV over 1 hour on days -6 to -3.

STEM CELL TRANSPLANT: Patients undergo stem cell transplant on day 0.

GVHD PROPHYLAXIS: Patients receive cyclophosphamide IV over 3 hours on days 3 and 4. Patients also receive itacitinib orally (PO) once daily (QD) on days 5-60 in the absence of disease progression or unacceptable toxicity. Beginning day 5 after stem cell transplant, patients also receive tacrolimus IV over 24 hours until able to tolerate oral tacrolimus, whereby patients then receive tacrolimus PO twice daily (BID).

After completion of study intervention, patients are followed up at days 100, 180, and 365 after stem cell transplant.

Medical subject headings
Hematologic Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Allogeneic Hematopoietic Stem Cell TransplantationProcedure or surgery

    Also called Allogeneic, Allogeneic Hematopoietic Cell Transplantation, Allogeneic Stem Cell Transplantation, HSC

    Undergo stem cell transplant

  • BusulfanDrug

    Also called 1, 4-Bis[methanesulfonoxy]butane, BUS, Bussulfam, Busulfanum

    Given IV

  • CyclophosphamideDrug

    Also called (-)-Cyclophosphamide, 2H-1,3,2-Oxazaphosphorine, 2-[bis(2-chloroethyl)amino]tetrahydro-, 2-oxide, monohydrate, Carloxan, Ciclofosfamida

    Given IV

  • FludarabineDrug

    Also called Fluradosa

    Given IV

  • ItacitinibDrug

    Also called INCB 039110, INCB-039110, INCB039110

    Given PO

  • TacrolimusDrug

    Also called FK 506, Fujimycin, Hecoria, Prograf

    Given IV or PO

  • ThiotepaDrug

    Also called 1,1'',1''''-Phosphinothioylidynetrisaziridine, Girostan, N,N'', N''''-Triethylenethiophosphoramide, Oncotiotepa

    Given IV

Study groups in NCT04859946
Study groupRoleWhat they receive
Supportive care (itacitinib)ExperimentalCONDITIONING: Patients receive busulfan IV over 3 hours on days -20, -13, and -6 to -3, thiotepa IV on day -7, and fludarabine IV over 1 hour on days -6 to -3. STEM CELL TRANSPLANT: Patients undergo stem cell transplant on day 0. GVHD PROPHYLAXIS: Patients receive cyclophosphamide IV over 3 hours on days 3 and 4. Patients also receive itacitinib PO QD on days 5-60 in the absence of disease progression or unacceptable toxicity. Beginning day 5 after stem cell transplant, patients also receive tacrolimus IV over 24 hours until able to tolerate oral tacrolimus, whereby patients then receive tacrolimus PO BID.
Receives: Procedure: Allogeneic Hematopoietic Stem Cell Transplantation; Drug: Busulfan; Drug: Cyclophosphamide; Drug: Fludarabine; Drug: Itacitinib; Drug: Tacrolimus; Drug: Thiotepa

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Incidence of acute grade 2-4 graft versus host disease (GVHD)

    The 100-day acute grade 2-4 GvHD rate will be compared between groups using Fisher's exact test. Matched logistic regression techniques will also be considered for this endpoint. The proportion of patients with acute grade 2-4 GVHD at 100 days will be reported, along with the corresponding 95% confidence interval.

    Measured: At 100 days after stem cell transplant

Secondary outcomes (8)
  1. GVHD-free relapse-free survival

    Will be compared between groups using the log-rank test. The method of Kaplan and Meier will be used to estimate the distribution of GVHD-free, relapse-free survival. The estimated probability will be reported at 1 year along with a corresponding 95% confidence interval. In addition, Cox proportional hazards regression models will be fit to this endpoint, considering clinical, demographic, and treatment covariates of interest.

    Measured: From day of stem cell transplant to time of grade 3 or 4 acute GVHD or chronic GVHD needing systemic immunosuppression or relapse or death whichever occurs first, assessed at 1 year after stem cell transplant

  2. Time to neutrophil and platelet engraftment

    Engraftment is defined as the presence of neutrophil recovery by day 28 post stem cell infusion. Neutrophil recovery is defined as a sustained absolute neutrophil count (ANC) > 0.5 x 10^9/L for three consecutive days.

    Initial platelet recovery is defined as the first date of three consecutive laboratory values obtained for platelet count was >= 20 x 10^9/L AND no platelet transfusions were administered for seven consecutive days immediately preceding this date. Will be calculated from the time of transplant and estimated by the Kaplan-Meier method. Distributions will be compared between patients with matched and mismatched donors via the log-rank test.

    Measured: Up to 365 days after stem cell transplant

  3. Overall survival

    Will be calculated from the time of transplant by the method of Kaplan and Meier. Cox proportional hazards regression analysis will be used to assess the association between these survival parameters and clinical and treatment covariates of interest.

    Measured: From day of stem cell transplant to day of death, assessed up to 365 days after stem cell transplant

  4. Progression-free survival

    Will be calculated from the time of transplant by the method of Kaplan and Meier. Cox proportional hazards regression analysis will be used to assess the association between these survival parameters and clinical and treatment covariates of interest.

    Measured: From day of transplant to day of death or disease progression, assessed up to 365 days after stem cell transplant

  5. Time to relapse

    Measured: Up to 365 days after stem cell transplant

  6. Non-relapse mortality

    Defined as death from any cause other than relapse disease.

    Measured: Up to 365 days after stem cell transplant

  7. Cumulative incidence of limited, extensive, and moderate to severe chronic GVHD

    The cumulative incidence of acute and chronic GVHD with the competing risk of relapse and death without relapse will be estimated using the method of Gooley, and the method of Fine and Gray will be used to model the incidence by disease and clinical characteristics of interest.

    Measured: Up to 365 days after stem cell transplant

  8. Incidence of adverse events

    Descriptive statistics will be used to summarize adverse events. Frequency counts and percentages will also be presented of subjects with serious adverse events and adverse events leading to withdrawal. All other safety parameters will be summarized using descriptive statistics or frequency counts. Graphical summaries will be used where appropriate.

    Measured: Up to 365 days after stem cell transplant

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 Apr 2021
  2. Study start11 Jan 2022
  3. Primary completion1 Apr 2027 (estimated)
  4. Study completion1 Apr 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Supportive care
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
31 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04859946
Sponsor's protocol ID
2020-0971
Other IDs
NCI-2021-02784, 2020-0971
Status last verified
Oct 2026
First submitted
22 Apr 2021
Last updated
7 Oct 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Allogeneic Hematopoietic Stem Cell Transplantation, Busulfan and Cyclophosphamide in people with Hematologic and Lymphocytic Disorder, run by M.D. Anderson Cancer Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 19 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 7 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence of acute grade 2-4 graft versus host disease (GVHD) (time frame: At 100 days after stem cell transplant). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Oct 2026.

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