A Study of iMSC for the Prevention of Acute Graft-versus-host Disease After Allogeneic Hematopoietic Stem Cell Transplantation
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: iMSC, conventional aGVHD prophylaxis.
- Who it may be relevant to
- Registry conditions: Acute Graft-versus-Host Disease. Basic parameters: 14 years — 70 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- Center list to be confirmed — check the primary protocol.
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Unsure about the terms? Read our patient guide →
Official title
A Prospective, Randomized Controlled Study of Human Induced Pluripotent Stem Cell-derived Mesenchymal Stromal Cells (iMSC) for the Prevention of Acute Graft-versus-host Disease After Allogeneic Hematopoietic Stem Cell Transplantation
Overview
An open-label, randomized, controlled clinical trial to explore the efficacy and safety of iMSC in preventing the development of acute graft-versus-host disease of degree III-IV in patients after allogeneic hematopoietic stem cell transplantation.
Detailed description
This is an open-label, randomized, controlled study, enrolled subjects(patients at risk for aGVHD of degree III-IV after allogeneic hematopoietic stem cell transplantation) will be 1:1 randomized to experimental group or control group. Control group will receive conventional aGVHD prophylaxis and the experimental group will receive iMSC injection plus conventional aGVHD prophylaxis, with 28 cases in each group, for a total of 56 subjects.
Interventions
- Biological iMSC
1× 10\^6/kg each time, twice a week - Combination product conventional aGVHD prophylaxis
Cyclosporine or tacrolimus(CNI)+Mycophenolate mofetil(MMF)± Short Course Methotrexate(MTX)+Anti-human T-lymphocyte Globulin（ATG）
Primary outcome measures
- Cumulative incidence of degree III-IV aGvHD [Time frame: Within 100 days of first dose]
Secondary outcome measures (3)
- Cumulative Recurrence Rate (CIR) [Time frame: Day 100, Month 6, Month 9, Month 12 , Month 18 , Month 24 after first dose]
- Disease-free survival (DFS) [Time frame: Day 100, Month 6, Month 9, Month 12 , Month 18 , Month 24 after first dose]
- Adverse Event(AE) or Serious Adverse Event(SAE) [Time frame: Day 100 after initial infusion]
Eligibility criteria
Inclusion criteria
- Subjects with malignant or nonmalignant hematologic diseases 7-21 days after allogeneic hematopoietic stem cell transplantation;
- No gender restrictions and age between 14-70 years old；
- Patients received aGVHD prophylaxis regimen of a calcium-modulated phosphatase inhibitor combined with mycophenolate mofetil wtih or without short-course methotrexate and rabbit anti-human thymocyte globulin (CNI+MMF± short-course MTX +ATG)；
- Patients had a MAGIC algorithm probability (MAP) score ≥ 0.14 at +7d or +14d after allogeneic hematopoietic stem cell transplantation(HSCT) (if patients had a MAP< 0.14 at +7d, another test was performed at +14d)；
- Estimated survival≥ 24 weeks；
- Eastern Cooperative Oncology Group（ECOG）≤ 2 points and Hematopoietic Cell Transplantation Comorbidity Index (HCT-CI)≤ 3 points；
- Subjects were be treated within 5 days after enrollment；
- Informed consent and willingness to participate in the study.
Exclusion criteria
- Serious organ dysfunction such as organ failure after allogeneic HSCT;
- Received more than once HSCT (including autologous transplants);
- Positive for Hepatitis B Surface Antigen (HBsAg) or Hepatitis B Core Antibody (HBcAb) and have Hepatitis B Virus (HBV) DNA titers above the normal range ; positive for Hepatitis C Virus (HCV) antibodies and have positive peripheral blood HCV RNA; positive for Human Immunodeficiency Virus (HIV) antibodies; positive for syphilis;
- Subjects with severe hepatic veno-occlusive disease or sinus veno-occlusive syndrome;
- Primary malignant hematologic disease was not remission;
- Within 6 months prior to enrollment, subjects had other diseases or their physiological conditions may interfere the study results, or had life-threatening complications;
- Those who are suffering mental or neurological illnesses, unable to express will correctly;
- Those with active malignant solid tumors within 5 years prior to participation in this study, with the exception of radically treated cervical cancer, in situ limited prostate cancer, and nonmelanoma skin cancer;
- Subjects known to be potentially allergic or highly sensitized to the cell therapy in the study protocol;
- Have participated or are participating in another clinical trial within one month prior to enrollment;
- Those who are judged by the investigator to be unsuitable for participation in this clinical trial.
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Allocation
- Randomized
- Model
- Parallel assignment
- Masking
- Open label
- Primary purpose
- Prevention
Study locations
Center list to be confirmed — check the primary protocol.
Identifiers
NCT: NCT06949267 · RJ-BMT-GvHD-001