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Nonmyeloablative Stem Cell Transplant in Children With Sickle Cell Disease and a Major ABO-Incompatible Matched Sibling Donor — Sickle-AID  

Sickle Cell Disease Clinical Trial

Official title:
A Phase II Pilot Study of Nonmyeloablative Conditioning Hematopoietic Stem Cell Transplantation in Children With Sickle Cell Disease Who Have a Matched Related Major ABO-Incompatible Donor (Sickle-AID)

Clinical Trial Summary

The aim of this study to evaluate the safety and efficacy of a nonmyeloablative conditioning regimen for allogeneic hematopoietic stem cell transplantation (HSCT) in pediatric patients with sickle cell disease (SCD) who have a matched related major ABO-incompatible donor. The nonmyeloablative regimen will use alemtuzumab, total body irradiation (TBI) and sirolimus for immune suppression. This study will expand the access of HSCT for patients with SCD who are currently not eligible because of donor restrictions.

Clinical Trial Description

Sickle cell disease (SCD) is a debilitating chronic blood disorder with multi-system end-organ damage that leads to morbidity and early mortality. The only cure for SCD is hematopoietic stem cell transplantation (HSCT), which given the risks with unrelated HSCT, is only an option for a minority of patients who have a matched sibling donor. In the field of HSCT, blood group ABO incompatibility between donor and recipient is not a contraindication and several studies do not show compromised outcomes. However, in the context of nonmyeloablative (NMA) conditioning and major ABO-incompatibility, when the recipient has existing antibodies to donor red blood cells, pure red cell aplasia (PRCA) may occur. This phase II pilot study will enroll SCD patients with a matched related major ABO-incompatible donor to determine the safety and efficacy of NMA-HSCT. Biological studies will include a plan to study and monitor red cell engraftment in this population to facilitate early detection and interventional measures to prevent and treat PRCA. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03214354
Study type Interventional
Source University of Calgary
Contact Tony Truong, MD, MPH
Phone 403-955-7272
Email tony.truong@ahs.ca
Status Recruiting
Phase Phase 2
Start date July 5, 2017
Completion date July 2028
View Details
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