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Updated May 2026 · ClinicalTrials.gov

RECRUITINGPhase 3INTERVENTIONAL

A Study to Evaluate Axatilimab and Corticosteroids as Initial Treatment for Chronic Graft-Versus-Host Disease

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Axatilimab and Corticosteroids as Initial Treatment for Chronic Graft-Versus-Host Disease (AXemplify-357)

A Study to Evaluate Axatilimab and Corticosteroids as Initial Treatment for Chronic Graft-Versus-Host Disease (NCT06585774) is a Phase 3 interventional studying Chronic Graft-versus-host-disease, sponsored by Incyte Corporation. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

This study will be conducted to compare the efficacy of axatilimab versus placebo in combination with corticosteroids as initial treatment for moderate or severe chronic graft-versus-host disease (cGVHD).

What Stage of Research Is This?

Phase 3 trials confirm efficacy and safety in large patient groups (often 300–3,000+) and form the evidence base for an FDA approval submission. For Chronic Graft-versus-host-disease, Phase 3 studies typically randomize participants between the investigational treatment and either a placebo or current standard of care. A successful Phase 3 result is the threshold most treatments need to clear before regulatory approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 240 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Chronic Graft-versus-host-disease subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: - ≥ 12 years of age at the time of willing to sign a consent form. - New-onset moderate or severe cGVHD, as defined by the 2014 NIH Consensus Development Project Criteria for Clinical Trials in cGVHD, requiring systemic therapy. - History of allo-HCT from any donor HLA type (related or unrelated donor with any degree of HLA matching) using any graft source (bone marrow, peripheral blood stem cells, or cord blood). Recipients of myeloablative, nonmyeloablative, or reduced-intensity conditioning are eligible. - Adequate hematologic function with white blood cell count (ANC) at least 0.5 × 109/L independent of growth factors for at least 7 days prior to study entry. - Willingness to avoid pregnancy or fathering children. Who Should NOT Join This Trial: - Received more than 1 prior allo-HCT. Prior autologous HCT is allowed. - Has overlap cGVHD, defined as simultaneous presence of features or characteristics of aGVHD in a patient with cGVHD. - Received more than 7 days of systemic corticosteroid treatment for cGVHD or unable to begin a prednisone dose ≥ 1.0 mg/kg per day (or methylprednisolone equivalent) for cGVHD. - Received previous systemic treatment for cGVHD, including extracorporeal photopheresis. - Systemic treatment with CNIs or mTOR inhibitors started within 2 weeks prior to C1D1. - Prior treatment with CSF-1R targeted therapies. - Active, uncontrolled bacterial, fungal, parasitic, or viral infection. - Evidence of relapse of the primary hematologic disease or treatment for relapse after the allo-HCT was performed, including DLIs for the treatment of molecular relapse. - History of acute or chronic pancreatitis. - Active symptomatic myositis. - History or current diagnosis of cardiac disease indicating significant risk of safety for participation in the study, such as uncontrolled or significant cardiac disease. ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * ≥ 12 years of age at the time of informed consent. * New-onset moderate or severe cGVHD, as defined by the 2014 NIH Consensus Development Project Criteria for Clinical Trials in cGVHD, requiring systemic therapy. * History of allo-HCT from any donor HLA type (related or unrelated donor with any degree of HLA matching) using any graft source (bone marrow, peripheral blood stem cells, or cord blood). Recipients of myeloablative, nonmyeloablative, or reduced-intensity conditioning are eligible. * Adequate hematologic function with ANC ≥ 0.5 × 109/L independent of growth factors for at least 7 days prior to study entry. * Willingness to avoid pregnancy or fathering children. Exclusion Criteria: * Received more than 1 prior allo-HCT. Prior autologous HCT is allowed. * Has overlap cGVHD, defined as simultaneous presence of features or characteristics of aGVHD in a patient with cGVHD. * Received more than 7 days of systemic corticosteroid treatment for cGVHD or unable to begin a prednisone dose ≥ 1.0 mg/kg per day (or methylprednisolone equivalent) for cGVHD. * Received previous systemic treatment for cGVHD, including extracorporeal photopheresis. * Systemic treatment with CNIs or mTOR inhibitors started within 2 weeks prior to C1D1. * Prior treatment with CSF-1R targeted therapies. * Active, uncontrolled bacterial, fungal, parasitic, or viral infection. * Evidence of relapse of the primary hematologic disease or treatment for relapse after the allo-HCT was performed, including DLIs for the treatment of molecular relapse. * History of acute or chronic pancreatitis. * Active symptomatic myositis. * History or current diagnosis of cardiac disease indicating significant risk of safety for participation in the study, such as uncontrolled or significant cardiac disease. * Severe renal impairment, that is, estimated CrCl \< 30 mL/min measured or calculated by Cockcroft-Gault equation in adults and Schwartz formula in pediatric participants, or endstage renal disease on dialysis. * Impaired liver function, defined as total bilirubin \> 1.5 × ULN and/or ALT and AST \> 3 × ULN in participants with no evidence of liver cGVHD. * Pregnant or breastfeeding. Other protocol-defined Inclusion/Exclusion Criteria may apply.

Treatments Being Tested

DRUG

INCA034176

IV infusion

DRUG

Placebo

IV infusion

DRUG

Corticosteroids

Oral/IV Infusion

Locations (20)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

University of Alabama Birmingham
Birmingham, Alabama, United States
University of California San Diego Medical Center, Moores Cancer Center
La Jolla, California, United States
University of Southern California
Los Angeles, California, United States
Colorado Blood Cancer Institute
Denver, Colorado, United States
Childrens National Hospital
Washington D.C., District of Columbia, United States
Miami Cancer Institute
Miami, Florida, United States
Orlando Health Cancer Institute Downtown Orlando
Orlando, Florida, United States
Memorial Cancer Institute
Pembroke Pines, Florida, United States
Emory University-Winship Cancer Institute
Atlanta, Georgia, United States
University of Illinois
Chicago, Illinois, United States
The University of Kansas Cancer Center
Kansas City, Kansas, United States
Massachusetts General Hospital
Boston, Massachusetts, United States
Dana Farber Cancer Institute
Boston, Massachusetts, United States
University of Michigan
Ann Arbor, Michigan, United States
Henry Ford Hospital
Detroit, Michigan, United States
Corewell Health Hematology Oncology
Grand Rapids, Michigan, United States
Hackensack University Medical Center
Hackensack, New Jersey, United States
Rutgers Cancer Institute of Nj
New Brunswick, New Jersey, United States
University of Rochester Medical Center
Rochester, New York, United States
Stony Brook University Medical Center
Stony Brook, New York, United States

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT06585774), the sponsor (Incyte Corporation), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT06585774 clinical trial studying?

This study will be conducted to compare the efficacy of axatilimab versus placebo in combination with corticosteroids as initial treatment for moderate or severe chronic graft-versus-host disease (cGVHD). The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT06585774?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT06585774?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT06585774. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT06585774. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-05-08 · Data from ClinicalTrials.gov.