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Safety of Transplantation of CRISPR CCR5 Modified CD34+ Cells in HIV-infected Subjects With Hematological Malignances

HIV-1-infection Clinical Trial

Official title:
Safety and Feasibility Study of Allotransplantation of CRISPR/Cas9 CCR5 Gene Modified CD34+ Hematopoietic Stem/Progenitor Cells in HIV-infected Subjects With Hematological Malignances

Clinical Trial Summary

The investigators performed this study to evaluate the safety and feasibility of transplantation with CRISPR/Cas9 CCR5 gene modified CD34+ hematopoietic stem/progenitor cells for patients that develop AIDS and hematological malignances. Patients will be treated with antiviral therapy (ART) to achieve undetectable HIV-1 virus in peripheral blood before conditioning. CD34+ cells from donors will be infused into the patients after treatment with CRISPR/Cas9 to ablate CCR5 gene.

Clinical Trial Description

The primary objective of this study is to determine the safety of the infusion of CD34+ cells which are treated with CRISPR/Cas9 to disrupt the CCR5 gene. The secondary objective is to evaluate the resistance to HIV-1(R5) in infected patients after infusion of modified CD34+ cells with or without an antiretroviral therapy interruption (ATI). After the transplantation, the reconstitution time and frequency of multi-lineage hematopoietic cell will be analyzed against previously reported HSCT in HIV-1 patients. After the detection of high CD4+ T cells reconstitution (over 600 cells/μL) and CCR5 negative cells (over 1%) in peripheral blood, subjects will undergo an ATI. HIV-1 RNA level and CD4+ cell counts will be monitored biweekly for at least one month. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03164135
Study type Interventional
Source Affiliated Hospital to Academy of Military Medical Sciences
Contact Bin Zhang, MD, PhD
Phone +86-10-66947625
Email zb307ctc@163.com
Status Recruiting
Phase N/A
Start date May 30, 2017
Completion date May 20, 2021
View Details
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