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CompletedNCT06616415Updated May 27, 2026

A Clinical Study to Evaluate the Pharmacokinetics, Efficacy, and Safety of Belumosudil in Chinese Adolescents With cGVHD Who Have Had an Inadequate Response to Glucocorticoids or Other Systemic Therapies

A Phase 4 interventional study of Belumosudil in Chronic Graft Versus Host Disease, sponsored by Sanofi. Completed at 2 sites in China. Open to participants aged 12 Years to 17 Years. Per ClinicalTrials.gov, last updated 2026-05-27.

Sponsored by Sanofi · Phase 4, Interventional, and Treatment

Phase
Phase 4
Study type
Interventional
Enrollment
6
Allocation
Not applicable
Ages
12 Years to 17 Years
Sex
All
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Study summary

This is a single group, Phase 4, single-arm post-marketing study for treatment.

The purpose of this study is to verify the pharmacokinetics, efficacy, and safety of belumosudil mesylate tablets in Chinese adolescent participants (aged from 12 to less than 18) with cGVHD who have had an inadequate response to glucocorticoids or other systemic therapies.

Participants will receive treatment with belumosudil tablets 200 mg once daily in 28-day cycles during the study.

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Conditions studied

  • Chronic Graft Versus Host Disease
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In context

Bronchiolitis Obliterans Syndrome

376 studies on the registry are indexed under Bronchiolitis Obliterans Syndrome; 104 are open to participants now.

This study's enrollment of 6 is below the median of 35 across 296 interventional studies indexed under Bronchiolitis Obliterans Syndrome.

Browse Bronchiolitis Obliterans Syndrome studies →

Lead sponsor

Sanofi is the lead sponsor of 1,508 studies on the registry; 90 are open to participants now.

Of its 198 completed or terminated interventional studies of FDA-regulated products, 118 (60%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
12 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Participant must be 12 to less than 18 years of age at the time of signing the informed consent.
  • Participant has undergone allogeneic hematopoietic stem cell transplantation (allo-HSCT).
  • Has active moderate to severe cGVHD.
  • Has received at least one line of prior systemic therapy for cGVHD.
  • Participant must receive a corticosteroid therapy for cGVHD with a stable dose for at least 2 weeks prior to the first dose of the IMP.
  • Has a Lansky-Play performance score of ≥60.
  • Participants should have an expected survival of longer than 6 months.
  • Body weight of 30 kg and above.
  • Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
  • The participant or their legally authorized representative (LAR) must be capable of giving signed informed consent.

Exclusion criteria

Exclusion Criteria:

Participants are excluded from the study if any of the following criteria apply:

  • Recurrence of hematologic neoplasms (according to the corresponding criteria for recurrence of primary hematologic neoplasms) or post-transplant lymphoproliferative disease at screening.
  • Received investigational systemic therapy for cGVHD within 28 days prior to enrollment, unless the prior treatment had been washed out for at least 28 days or 5 half-lives prior to enrollment, whichever is shorter.
  • Absolute neutrophil count (ANC) \<1.0 × 10\^9/L.
  • Platelet count \<50 × 10\^9/L.
  • Alanine aminotransferase (ALT) >3× the upper limit of normal (ULN), aspartate aminotransferase (AST) >3 × ULN.
  • Total bilirubin (TBIL) >1.5 × ULN (>3 ULN if Gilbert's syndrome).
  • Estimated Glomerular Filtration Rate (eGFR) \<30 mL/min/1.73 m\^2 using the revised Bedside Schwartz formula . Revised Schwartz equation: CrCl (mL/min/1.73 m\^2) = 0.413 × (height [in cm])/Creatinine (in mg/dL) at screening visit.
  • Participant not suitable for participation, whatever the reason, as judged by the Investigator, including medical or clinical conditions, or participants potentially at risk of noncompliance to study procedures.
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Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
6 participants (actual)

Study arms

  • Experimental
    Belumosudil

    Participants will receive belumosudil 200 mg tablets orally QD in 28-day cycles until clinically significant progression of cGVHD

    Drug: Belumosudil

Interventions

  • DrugBelumosudil

    Pharmaceutical form: Tablet Route of administration: Oral

    Also known as: SAR445761/ KD025, Rezurock

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What researchers measure

Primary outcomes

  1. Plasma concentrations of belumosudil at specified time points

    Time frame: At Day 1 and Day 29(±3)

Secondary outcomes

  1. Overall response rate (ORR)

    Overall response rate (ORR, including complete response \[CR\] and partial response \[PR\]), which will be assessed by the investigator according to the NIH Consensus Criteria (2014) at any time before the start of new systemic treatment for cGVHD.

    Time frame: Up to 18 month

  2. Duration of response (DoR)

    Duration of response (DoR): time from the date of the first response to the date of cGVHD progression as defined by 2014 NIH consensus response criteria, start of new systemic treatment for cGVHD, or death, whichever occurs first. DOR is determined only for participants who achieved overall response (PR or CR) as per 2014 NIH consensus response criteria.

    Time frame: Up to 18 month

  3. System organ response rate

    System organ response rate: proportion of participants who achieve an overall response (CR or PR) for each of the nine individual organs (Skin, Eyes, Mouth, Esophagus, Upper GI, Lower GI, Liver, Lungs, and Joints and fascia) as per 2014 NIH consensus response criteria at any time before the start of new systemic treatment for cGVHD

    Time frame: Up to 18 month

  4. Number and proportion of participants with dose reduction in corticosteroid during the treatment period

    Time frame: Up to 18 month

  5. Failure-free survival (FFS)

    Failure-free survival (FFS): time from the date of the first administration of IMP to 1) the date of initiation of new systemic treatment for cGVHD, or 2) date of death, or 3) date of recurrent underlying disease, whichever occurs first

    Time frame: Up to 18 month

  6. Overall survival (OS)

    Overall survival (OS): time from the date of the first administration of IMP to the date of death due to any cause

    Time frame: Up to 18 month

  7. Change in cGVHD severity based on physician-reported overall cGVHD activity

    Time frame: Up to 18 month

  8. Change in symptom activity assessed based on patient-reported cGVHD activity

    Time frame: Up to 18 month

  9. Modified Lee cGVHD Symptom Scale change

    The scale contains 30 items grouped in 7 subscales (skin, eye, mouth, lung, nutrition, energy, and psychological). Patients report how "bothered" they feel about each symptom using a five-point Likert scale from "not at all" (0) to "extremely" (4). A higher score indicating worse symptoms, reporting score will be normalizing to a 0 to 100 scale.

    Time frame: Up to 18 month

  10. Number and proportion of participants with calcineurin inhibitor (CNI) dose reduction or discontinuation during the treatment period

    Time frame: Up to 18 month

  11. Number of participants with treatment-emergent adverse events (TEAEs), serious TEAEs, and adverse events of special interest (AESIs)

    Time frame: Up to 18 month

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Study locations

2 sites
  • Investigational Site Number : 1560001
    Beijing, 100045, China
  • Investigational Site Number : 1560002
    Shanghai, 200127, China
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References and documents

Individual participant data

Plan to share: Yes — Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 27, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT06616415
Lead sponsor
Sanofi
Responsible party
Sponsor
First posted
Sep 27, 2024
Start date
Dec 4, 2024
Primary completion
May 12, 2026
Completion
May 12, 2026
Last update
May 27, 2026

Study contacts

Clinical Sciences & Operations
study director · Sanofi

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in May 2026. You cannot join it, but the record below documents what was studied.

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