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Peripheral Blood Stem Cell Combined With Mesenchymal Stem Cells for Treatment of Poor Graft Function

Hematological Diseases Clinical Trial

Official title:
G-CSF Mobilized Peripheral Blood Stem Cell Combined With Mesenchymal Stem Cells for Treatment of Poor Graft Function After Allogeneic Hematopoietic Stem Cell Transplant

Clinical Trial Summary

The purpose of this study is to evaluate the utility of treating patients experiencing poor graft function after allogeneic hematopoietic stem cell transplantation with Granulocyte Colony-Stimulating Factor (G-CSF) mobilized peripheral stem cell combined (PBSC) with ex-vivo-expanded BM-drived mesenchymal stem cells from third-party donors. Our first objective was to evaluate the effect of such treatment on poor graft function, and second object was to investigate the safety of such treatment.

Clinical Trial Description

Allogeneic hematopoietic stem cell transplantation(allo-HSCT) is the only cure for many hematologic diseases. However, poor graft function (PGF) is an important complication after allo-HSCT that occurs in 5-27% of patients, and is associated with considerable mortality related to infections or hemorrhagic complications. Treatment of PGF usually involves the prescription of hematopoietic growth factors such as granulocyte colony-stimulating factor (G-CSF), or second transplantation, but these methods are associated with dismal effect or even a significant risk of graft-versus-host disease (GVHD).

Mesenchymal stem cells (MSCs) are a form of multipotent adult stem cells that can be isolated from bone marrow (BM), adipose tissue, and cord blood. Clinical applications of human MSCs include improving hematopoietic engraftment, preventing and treating graft-versus-host disease after allo-HSCT and so on. Some studies have shown that MSCs combined with PBSC or cord blood could be useful to improve engraftment after HSCT. Several reports suggested MSCs might be effective in the treatment of PGF.

However, the efficacy of MSCs as single-drug treatment for PGF is unsatisfactory in our previous study. Therefore, in the present study, G-CSF mobilized PBSC will be used combined with MSCs in the patients with PGF after allo-HSCT. ;

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02083718
Study type Interventional
Source Nanfang Hospital of Southern Medical University
Contact Ren Lin, MD.
Phone +86-020-61641613
Email lansinglinren@hotmail.com
Status Recruiting
Phase Phase 2
Start date January 2014
Completion date January 2017
View Details
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