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Clinical Trial Summary

Phase 1/2 clinical study for the treatment of steroid-refractory chronic graft versus host disease after an allogeneic transplant of hematopoietic progenitors with donor CliniMACS-selected regulatory T cells


Clinical Trial Description

Phase 1/2 clinical study evaluating safety (Phase 1) and preliminary efficacy (Phase 2) of donor regulatory T cells for patients with steroid-refractory chronic graft versus host disease (GVHD) after allogeneic hematopoietic stem cell transplantation (HSCT).

Patients must have persistent signs and symptoms despite the use of prednisone or equivalent at ≥ 0.25 mg/kg/day (or 0.5 mg/kg every other day), for at least 4 weeks without complete resolution of signs and symptoms. Occasional patients requiring lower doses of prednisone will be eligible if associated with other immunosuppressive drugs.

Phase 1 clinical trial will include groups of 5 patients sequentially treated with: 0.5 x 10ˆ6, 1.0 x 10ˆ6, 2-3 x 10ˆ6 donor Treg/kg. Phase 2 clinical trial will include another 5 to 10 patients treated with MTD.

Donor Treg will be selected by the following sequential steps:

1. - negative depletion of CD8 and CD19 cells

2. - positive selection of CD25 cells ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02385019
Study type Interventional
Source Instituto de Medicina Molecular
Contact
Status Recruiting
Phase Phase 1/Phase 2
Start date March 2015
Completion date December 2019

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