Effect of BM-MSCs on Chronic AMR After Kidney Transplantation

September 28, 2015 updated by: Changxi Wang, First Affiliated Hospital, Sun Yat-Sen University

Efficacy and Safety of Bone Marrow-derived Mesenchymal Stem Cells (BM-MSCs) on Chronic Antibody-mediated Rejection (cAMR) After Kidney Transplantation: A Multi-center Perspective Study

This study is designed to investigate the efficacy and safety of allogeneic bone marrow-derived mesenchymal stem cells (BM-MSCs) on chronic antibody-mediated rejection (cAMR) after kidney transplantation. Chronic AMR is diagnosed according to Banff criteria 2013 based on renal graft biopsy and donor specific antibodies (DSA) examination. cAMR patients are assigned to MSCs group or control group. Patients in control group are prescribed to current desensitization therapy including at least one of the following treatments: plasmapheresis (PP), intravenous immunoglobulin (IVIG), rituximab or Bortezomib, depending on individual pathological and immunological features (eg. DSA type and titer) of each study subjects. Patients in MSCs group receive additional BM-MSCs therapy besides desensitization treatments as in control group. Allogeneic BM-MSCs (1*10^6/kg) are intravenously administered every two weeks for four consecutive doses. All cAMR patients are followed up for one year. Renal function, DSA level, pathological features, patient/graft survival, and severe adverse events are monitored during the follow-up period. Immunological features of patients in both groups are consecutively examined.

Study Overview

Study Type

Interventional

Enrollment (Anticipated)

60

Phase

  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Guangdong
      • Guangzhou, Guangdong, China, 510080
        • The First Affiliated Hospital, Sun Yat-sen University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years to 61 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • kidney transplantation
  • cAMR diagnosis is determined based on renal graft biopsy and DSA examination
  • Patient is willing and capable of giving written informed consent for study participation and able to participate in the study for 12 months

Exclusion Criteria:

  • Combined or multi-organ transplantation
  • Women who are pregnant, intend to become pregnant in the next 1 years, breastfeeding, or have a positive pregnancy test on enrollment or prior to study medication administration
  • Donors or recipients are known hepatitis C antibody-positive or polymerase chain reaction (PCR) positive for hepatitis C
  • Donors or recipients are known hepatitis B surface antigen-positive or PCR positive for hepatitis B
  • Donors or recipients are known human immunodeficiency virus (HIV) infection
  • Patients with active infection
  • Recipients with a history of substance abuse (drugs or alcohol) within the past 6 months, or psychotic disorders that are not capable with adequate study follow- up
  • Patients with severe cardiovascular dysfunction
  • WBC<3*10^9/L or RBC <5g/dL
  • Highly allergic constitution or having severe history of allergies
  • Patients with active peptic ulcer disease, chronic diarrhea, or gastrointestinal problem affect absorption
  • Patients with a history of cancer within the last 5 years
  • Prisoner or patients compulsorily detained (involuntarily incarcerated) for treatment or either a psychiatric or physical (e.g. infectious disease) illness
  • Renal graft function deteriorates due to non-immunological complication, such as surgical issues or drug nephrotoxicity

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: MSCs group
cAMR patients in this group receive additional intravenous allogeneic BM-MSCs (1*10^6/kg) every two weeks for four consecutive doses, besides current desensitization therapy including at least one of the following treatments: plasmapheresis (PP), intravenous immunoglobulin (IVIG), rituximab or Bortezomib.
BM-MSCs are from third-party healthy donors, and have no HLA alleles similar to renal allograft donors or reacting to positive anti-HLA antibodies in recipients.
Other Names:
  • allogeneic bone marrow-derived MSCs
At least one drug or treatment is applied as desensitization therapy to decrease DSA, reduce B cells or inhibit plasma cells, depending on individual condition.
Active Comparator: Control group
cAMR patients in this group receive current desensitization therapy including at least one of the following treatments: plasmapheresis (PP), intravenous immunoglobulin (IVIG), rituximab or Bortezomib.
At least one drug or treatment is applied as desensitization therapy to decrease DSA, reduce B cells or inhibit plasma cells, depending on individual condition.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Estimated glomerular filtration rate (eGFR)
Time Frame: 12 months
eGFR at month 12 after enrollment
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Patient survival rate
Time Frame: 12 months
patient survival rate at month 12 after enrollment
12 months
Graft survival rate
Time Frame: 12 months
graft survival rate at month 12 after enrollment
12 months
Donor specific antibody (DSA) level
Time Frame: 12 months
Change of DSA level up to 12 months after enrollment
12 months
Pathological manifestation
Time Frame: 12 months
Change of pathological scores according to Banff 2013 criteria
12 months
Severe adverse events
Time Frame: 12 months
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2015

Primary Completion (Anticipated)

October 1, 2017

Study Completion (Anticipated)

November 1, 2017

Study Registration Dates

First Submitted

September 26, 2015

First Submitted That Met QC Criteria

September 28, 2015

First Posted (Estimate)

September 30, 2015

Study Record Updates

Last Update Posted (Estimate)

September 30, 2015

Last Update Submitted That Met QC Criteria

September 28, 2015

Last Verified

September 1, 2015

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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