AIDS Virus Clinical Trial
Official title:
A Clinical Study to Evaluate the Safety and Efficacy of Human Umbilical Cord Mesenchymal Stem Cells Combined With Antiviral Therapy in the Treatment of AIDS Patients With Immune Non-responder
The goal of this clinical trial is to explore the effect of mesenchymal stem cell therapy on immune non-responder patients. The main questions it aims to answer are: 1. Efficacy of human umbilical cord mesenchymal stem cells combined with antiviral therapy in the treatment of AIDS patients with immune non-response. 2. Safety of human umbilical cord mesenchymal stem cells combined with antiviral therapy in AIDS patients with immune non-response. Participants will receive CD4,CD4/CD8, and RNA viral load tests and will be randomly assigned to either saline or mesenchymal stem cell therapy. Investigators will evaluate the safety and efficacy of mesenchymal stem cell therapy based on examination results.
Highly active antiretroviral therapy (HAART) is an effective means to inhibit virus replication, increase the number of CD4+T lymphocytes and reduce mortality in HIV-infected people. However, it has been found that around 10% - 40% of patients have not achieved ideal immune function reconstruction under the condition of good viral load control and are referred to as"inadequate immunological responders" or "immune non-responders" (INRs). A series of intervention measures have been proposed for patients with immune non-response, including growth hormone therapy, immunosuppressive therapy, cytokine therapy, traditional Chinese medicine therapy, etc., but there is no specific and effective treatment in clinical practice. Mesenchymal stem cells (MSCs) are pluripotent stem cells with high self-renewal ability and multi-directional differentiation potential derived from mesoderm. MSCs have considerable therapeutic effects due to their migration, differentiation, immune-modulation, and regeneration abilities. The immunomodulatory effect of mesenchymal stem cells can inhibit the excessive immune activation in patients. At the same time, the paracrine effect of mesenchymal stem cells can also regulate the disordered microenvironment and promote the repair of damaged cells and tissues. This is a randomised, placebo-controlled, clinical trial to evaluate the safety and feasibility of a 3-doses treatment regimen with MSCs (1 million cells/Kg MSCs, months 0-1-2) in HIV infected adults with immune non-response. Subjects are block randomised (1:1) to receive either MSCs (n=10), or placebo (n=10), as the control treatment. Changes in CD4+Tcount and CD4/8，adverse events, opportunistic infection signs are evaluated as determinants of safety and efficacy of MSCs. Study endpoints are measured along a follow-up period of 12 months, that includes 7 visits. ;
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