A Pilot Study of Allogeneic Lymphocyte Transfer in HIV Infection
To examine, in HIV-infected patients, the safety of allogeneic lymphocyte transfer (i.e., infusion of white blood cells taken from an HIV-negative parent, sibling, or adult offspring who has a compatible blood type). To measure the distribution and survival of allogeneic lymphocytes in the circulation of HIV-infected patients, and to determine whether their infusion results in enhanced immunity. To determine whether enhanced immunity is passively transferred or actively induced.
There is evidence that periodic infusion of allogeneic lymphocytes obtained from the peripheral blood of HLA-matched HIV-1 seronegative siblings of patients with AIDS can, in some instances, restore the number of circulating CD4+ lymphocytes. However, more controlled studies are needed to better quantitate the immunologic reconstitution seen with this type of therapy.
研究概览
详细说明
There is evidence that periodic infusion of allogeneic lymphocytes obtained from the peripheral blood of HLA-matched HIV-1 seronegative siblings of patients with AIDS can, in some instances, restore the number of circulating CD4+ lymphocytes. However, more controlled studies are needed to better quantitate the immunologic reconstitution seen with this type of therapy.
Lymphocytes obtained by leukapheresis from a healthy, HIV-negative parent, sibling, or adult offspring of the HIV-infected patient are infused at day 0 and at weeks 4 and 8. A small portion of the lymphocytes obtained at day 0 will be radiolabeled prior to infusion, and two total body scans will be performed. Patients also undergo two tonsillar biopsies. Patients are followed weekly for 16 weeks, then by telephone periodically for 3 years (at 1 year, 2 years, 2.5 years, and 3 years).
研究类型
注册
阶段
- 不适用
联系人和位置
学习地点
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Ohio
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Cleveland、Ohio、美国、44106
- Univ Hosp of Cleveland / Case Western Reserve Univ
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参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria
Concurrent Medication:
Required:
- Stable antiretroviral therapy.
Allowed:
- Maintenance therapy for a controlled opportunistic infection.
Patients must have:
- HIV infection.
- CD4 count 50-200 cells/mm3.
- No ongoing major opportunistic infections.
- Been on stable antiretroviral therapy for the past 2 months.
- Tonsils present.
- Life expectancy greater than 6 months.
- An HLA-single haplotype matched, single haplotype mismatched parent, sibling, or adult offspring who is ABO, Rh compatible to serve as an HIV-negative lymphocyte donor.
Exclusion Criteria
Co-existing Condition:
Patients with the following symptoms or conditions are excluded:
- Lymphoma or other malignancy requiring chemotherapy.
- Bleeding disorder that would preclude a tonsillar biopsy.
- Antibody on donor/recipient lymphocyte reactive antibody assay.
Donors with the following symptoms or conditions are excluded:
- Medical condition that would endanger health of donor or recipient.
- Failure to meet established donor standards on blood screening tests.
- CMV seropositivity if the patient (recipient) is CMV seronegative.
- Pregnancy.
Concurrent Medication:
Excluded:
- GM-CSF or G-CSF.
- Any investigational drug.
- Immunomodulators (such as interferon, steroids, topical corticosteroids, thalidomide, pentoxifylline, IL-2).
- Nonsteroidal anti-inflammatory drugs.
- Aspirin.
Prior Treatment:
Excluded:
- Blood transfusion within the past 2 months.
Required:
- Stable antiretroviral therapy for at least 2 months prior to study entry.
Active substance abuse.
学习计划
研究是如何设计的?
设计细节
- 主要用途:治疗
合作者和调查者
调查人员
- 学习椅:Lee E
- 学习椅:Deyton L
出版物和有用的链接
研究记录日期
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (估计)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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