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A Randomized Phase II Study to Compare the Potential Long-Lasting Positive Effect of Decidual Stromal Cells to the Best Available Treatment in Graft Versus Host Disease

NCT05132166 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 50

Last updated 2025-06-22

No results posted yet for this study

Summary

This is an academic open-label, phase II randomized study in patients with steroid resistant severe acute Graft versus host disease (GvHD) who have had allogeneic hematopoietic stem cell transplantation. The main purpose of this study is to compare the efficacy of Decidual Stromal Cells (DSC) with Investigators choice best available treatment (BAT). If randomized to DSC arm, patients will receive 2 infusions in the vein at least one week apart. Additional doses (up to 4 doses) of DSC may be given depending on response.

Conditions

  • Graft Vs Host Disease

Interventions

OTHER

Drug or biologic - anti-thymocyte globulin (ATG), extracorporeal photopheresis (ECP), mTOR inhibitors (everolimus or sirolimus), vedolizumab, ruxolitinib.

Will vary depending upon Investigator's choice identified prior to randomization. Dose and frequency will depend on label (where approved) and institutional guidelines for various BAT. No cross-over to DSC treatment is planned. The BAT in this study will freely be identified by the Investigator prior to patient randomization and may include treatments such as: anti-thymocyte globulin (ATG), extracorporeal photopheresis (ECP), low-dose methotrexate (MTX), mTOR inhibitors (everolimus or sirolimus), vedolizumab, ruxolitinib.

BIOLOGICAL

Decidual Stromal Cells

The dose will be 1×106 DSC/kg bodyweight, at least 2 doses at least one week apart. Within the first 28 days, patients meeting criteria of aGvHD disease progression, mixed response or no response, may be given additional weekly doses of DSC until satisfactory response (ie: CR) are reached (max 4 doses in total).

Sponsors & Collaborators

  • University Health Network, Toronto

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-12-22
Primary Completion
2026-04-26
Completion
2026-04-26

Countries

  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05132166 on ClinicalTrials.gov