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Clinical Trial Summary

Treatment Study to assess of safety and efficiency of conditioning with Plerixafor and G-CSF as additional agents for prevention of graft failure after transplantation with TCR alpha/beta grafts depletion in patient with Wiskott-Aldrich syndrome.


Clinical Trial Description

Severe graft dysfunction, such as the degree of donor chimerism predominantly in the myeloid compartment is one of major problem in patients with Wiskott-Aldrich syndrome (WAS), especially after hematopoietic stem cell transplantation (HSCT) from alternative donor. It often leads to the development of severe thrombocytopenia or even transplants rejection. In this study the hypothesis is that the use of plerixafor and G-CSF as additional agents in conditioning regimen would offers advantages due to lowing risk of mixed chimerism after HSCT. This effect is based on the fact that simultaneous use of plerixafor with G-CSF is efficient in inducing stem cell release and opening of bone marrow (BM) niches. Moreover, stem cell release probably leads to liberation of host stem cells from the anti-apoptotic effects of the BM stroma for the more powerful effect of chemotherapy.

In this study, the investigators use TCR alpha/beta grafts depletion of the grafts as basic technology for HSCT from haploidentical and unrelated donors approved in Institution.

Thus, the purpose of this study is to evaluate the safety and efficiency of myeloablative conditioning with Plerixafor and G-CSF as additional agents for prevention of graft failure after transplantation with TCR alpha/beta grafts depletion in patients with Wiskott-Aldrich syndrome. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03019809
Study type Interventional
Source Federal Research Institute of Pediatric Hematology, Oncology and Immunology
Contact Dmitry Balashov, MD, PhD
Phone +7(495)287-6570
Email bala8@yandex.ru
Status Recruiting
Phase Phase 2
Start date June 2016
Completion date July 2019

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