- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01213186
Umbilical Cord Mesenchymal Stem Cells for Immune Reconstitution in HIV-infected Patients
Phase 2 Study of UC-MSC in Restoring CD4 T Cell Counts and Reducing Immune Activation in HIV-infected Patients Underlying Long-term Antiviral Therapy: a Multicenter, Does-escalating, Randomized, Double-blind, Controlled Trial.
Study Overview
Status
Intervention / Treatment
Detailed Description
Although HIV-1 infection is characterized by progressive depletion of CD4+ T cells that eventually leads to clinically significant immunodeficiency, a chronic generalized immune activation is now being recognized to be the main driving force for T cell depletion, loss of anti-HIV-1 immunity and disease progression during chronic HIV-1 infection. In particular, this immune activation has been identified as a disease determinant independent of viral load or cell death in HIV-1 infection. A series of clinical evidences have indicated that activated CD8 T cells may attack body cells infected with viruses. Because of this, CD4 cells infected with HIV are frequently destroyed by CD8 cells.
Mesenchymal stem cells (MSCs) are the adult stem cells originating from the mesenchymal and connective tissue of bone marrow, adipose tissue, placenta, umbilical cord, cord blood, peripheral blood, liver, etc. These cells show immunomodulation, self-renewal, and multi-directional differentiation potential. In particular, MSCs have recently emerged as promising candidates for cell-based immunotherapy because they can modulate the immune response in various ways. A series of studies have indicated that secretion of dissoluble cytokines and direct contact with MSCs can block the development and functioning of antigen-presenting cells, inhibit the differentiation of B cells, and suppress the immune response of T cells and natural killer cells. The immunosuppressive effect of infused MSCs has been successfully employed in the treatment of acute severe graft-versus-host disease (GVHD). Thus, MSC may reduce inflammatory responses and promote tissue recovery in human diseases.
The purpose of this study is to learn what dose of transfused MSC reduces the level of activation of CD8 cells in people infected with HIV. The decreased activation of CD8 cells may lead to a more CD4 T cell restoration in HIV infection. This study will also look at what dose of MSCs is tolerated and its safety in HIV- infected patients.
Participants in this study will be randomly assigned to one of three treatment arms:
Arm A:Participants will receive 48 weeks of low dose of MSC treatment followed by 48-week follow-up observation.
Arm B:Participants will receive 48 weeks of high dose of MSC treatment followed by 48-week follow-up observation.
Arm C: Participants will receive 48 weeks of saline placebo followed by 48-week follow-up observation.
Study treatment will be given at 0, 4, 12, 24, 36 and 48 week since the onset of treatment. There will be an additional 48 weeks of follow-up for purposes of safety. After treatment has started, participants will be asked to come to the clinic on Weeks 4, 12, 24, 36, 48,60,72,84 and 96. At each visit participants will receive enough study treatment to last until the next visit. Each visit will last between 2 and 3 hours. At most visits participants will have a physical exam, answer questions about any medications they are taking and how they are feeling, and have blood drawn for safety to assess CD4/CD8 cell counts and viral load. Some additional blood will also be stored for immunology testing. At some visits participants will be asked questions about their medication and medical history, have pupils dilated, have a hearing test, and have an electrocardiogram (EKG). Some visits will require participants to arrive fasting. Pregnancy tests may also be conducted if the participant is able to become pregnant or if pregnancy is suspected.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
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Beijing
-
Beijing, Beijing, China, 100039
- Recruiting
- Beijing 302 Hospital
-
Contact:
- Zheng Zhang, Doctor
- Phone Number: 2015.12 86-10-63879735
- Email: zhangzheng1975@aliyun.com
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Xinjiang
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Urumqi, Xinjiang, China, 830013
- Recruiting
- Xinjiang Hospital of Infectious Diseases
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Contact:
- Xiuling Wang, Professor
- Phone Number: 0991-6665288
- Email: 1125325165@qq.com
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Principal Investigator:
- Hao Wu, Professor
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Yunnan
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Kunming, Yunnan, China, 650301
- Recruiting
- the Yunnan Hospital of Infectious Diseases
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Contact:
- Xicheng Wang, Doctor
- Phone Number: 2015.12 86-0871-6256092
- Email: wxch62597@21cn.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- HIV infected
- antiretroviral therapy (ART) for at least 24 months prior to study entry and continue within the 24 months after study entry
- CD4 count less than or equal to 250 cells/mm3 continuously and more than 50 cells/mm3 before entry and at screening, obtained within 30 days prior to study entry
- Viral load less than or equal to 50 copies/mL obtained within 30 days prior to study entry
- Certain specified laboratory values obtained within 30 days prior to study entry. More information on this criterion can be found in the study protocol.
- Documentation that pre-entry specimen for the primary immune activation endpoint responses has been obtained
- No history of CDC category C AIDS-related opportunistic infections
- Karnofsky performance score greater than or equal to 70 within 30 days prior to study entry
- Ability and willingness to provide informed consent
Exclusion Criteria:
- coinfection with other virus, including serum HCV RNA positive, or one of followings are positive in antiHAV/anti-HDV/anti-HEV plus ALT more than 80 IU/L.
- history of combination with other severe diseases including renal, circulatory, respiratory, digestive, endocrine, neural and immunological diseases and tumors.
- WBC <2.5*10E9/L, platlet counts <50*10E9/L, Hb <80g/L, lactate >2 mmol/L;
- allergic constitution;
- Accepting other immunomodulatory drugs within 6 months prior screening.
- drug addiction;
- other conditions possibly influencing the trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Drug: high dose of MSC treatment
Participants will receive high dose of MSC from Day 0 through the Week 48 study visit.
Participants will then be followed until the Week 48 study visit.
|
Taken i.v., at week 0, 4, 12, 24, 36 and 48, at a dose of 1.5*10E6/kg for 48 weeks.
Other Names:
|
Experimental: low dose of MSC treatment
Participants will receive a low dose of MSC treatment from Day 0 through the Week 48 study visit, and then follow-ed up for additional 48 weeks.
|
Taken i.v., at week 0, 4, 12, 24, 36 and 48, at a dose of 0.5*10E6/kg for 48 weeks.
Other Names:
|
Placebo Comparator: low dose of MSC
Participants will receive a saline placebo treatment from Day 0 through the Week 48 study visit, and then follow-ed up for additional 48 weeks.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
the total CD4 T cell counts compared with CD4 T cell counts at baseline
Time Frame: At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
the CD38 expression on CD8 T cells
Time Frame: At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
Number of Participants with Adverse Events as a Measure of Safety and Tolerability
Time Frame: at baseline and up to week 96
|
at baseline and up to week 96
|
plasma RNA copies/mL
Time Frame: At Entry and at Weeks 24, 48, 72, 96
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At Entry and at Weeks 24, 48, 72, 96
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the ratio of CD4 and CD8 T cells
Time Frame: At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
the HLA-DR expression on CD8 T cells
Time Frame: At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
Quality of live
Time Frame: At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
|
At Baseline and at week 4, 12, 24, 36,48,60,72,84,96
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the occurring rate of tumor
Time Frame: At Baseline and at week 24, 48, 72, 96
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At Baseline and at week 24, 48, 72, 96
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occurring rate of opportunistic infections
Time Frame: At Baseline and at week 24, 48, 72, 96
|
At Baseline and at week 24, 48, 72, 96
|
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Uccelli A, Moretta L, Pistoia V. Mesenchymal stem cells in health and disease. Nat Rev Immunol. 2008 Sep;8(9):726-36. doi: 10.1038/nri2395.
- Appay V, Sauce D. Immune activation and inflammation in HIV-1 infection: causes and consequences. J Pathol. 2008 Jan;214(2):231-41. doi: 10.1002/path.2276.
- Zhang Z, Fu J, Xu X, Wang S, Xu R, Zhao M, Nie W, Wang X, Zhang J, Li T, Su L, Wang FS. Safety and immunological responses to human mesenchymal stem cell therapy in difficult-to-treat HIV-1-infected patients. AIDS. 2013 May 15;27(8):1283-93. doi: 10.1097/QAD.0b013e32835fab77.
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immunologic Deficiency Syndromes
- Immune System Diseases
- Slow Virus Diseases
- HIV Infections
- Acquired Immunodeficiency Syndrome
Other Study ID Numbers
- beijing302-001
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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