HIV-1 Infection Clinical Trial
— IMIRC1003Official title:
A Randomised, Open Labelled, Phase I, Safety, Toxicity, and Exploratory Immunogenicity Evaluation of Therapeutic Immunisation +/- IL-2, GM-CSF and Growth Hormone in HIV-1 Infected Subjects Receiving Highly Active Anti-retroviral Therapy
For several years there has been interest in why some people with HIV-1 progress more slowly
to disease and have longer survival without Highly Active Antiretroviral Therapy (HAART)
than others. The investigators and others have identified a few HIV positive individuals who
can control their viral load for many years without HAART, these rare individuals do not
lose their HIV-1-specific cellular immune responses, which are very important for
controlling viral load. This group is referred to as long-term non-progressors (LTNP).
Unlike LTNP the majority of HIV-1 infected individuals are chronic progressors (CP) who do
not make effective HIV-1-specific cellular immune responses, even when on HAART. We propose
to use a novel DNA vaccine boosted with immune based therapy (cytokines and hormones) to try
to regenerate the missing HIV-1-specific cellular immune responses to make chronically
infected HIV-1+ persons more like LTNP.
By injecting this novel DNA vaccine and immune based therapy into the people who are already
infected with HIV-1, the immune system may be stimulated to mount a greater immune response
not only to the vaccines but also to real HIV-1 particles and HIV-1-infected cells.
Status | Terminated |
Enrollment | 12 |
Est. completion date | October 2011 |
Est. primary completion date | October 2011 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Documented HIV-1 positive result. - Stable on HAART. - Two screening viral loads of <50 cps/ml on 2 consecutive occasions at least one month apart. - CD4 T cell count of >400 cells/ul. - Nadir CD4 T cell count of >200 cells/ul. - Over 18 years of age. - Willing and able to provide informed consent. - Female subjects must not be pregnant or lactating. - Subjects must be using adequate double barrier method of contraception as appropriate. Exclusion Criteria: - Prior therapeutic vaccination. - Acute illness within 2 weeks of the start of the study. - Prior immunomodulatory therapy (e.g. IL-2, rhGH, GCSF, GM-CSF, HU) - Receiving immunosuppressive medication (e.g. Steroids) - Participation in other vaccine trials currently - Patients with diabetes mellitus type 2 - Patients with cardiac abnormalities - Patients with pre-existing autoimmune disease - Patients with active neoplasia - Patients with evidence of any progression or recurrence of an underlying intra-cranial lesion |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United Kingdom | St. Stephen's AIDS Trust | London |
Lead Sponsor | Collaborator |
---|---|
Imperial College London | Medical Research Council |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The primary outcome will be analysis of safety and toxicity data in relation to grade 3 or above laboratory or clinical serious adverse event (SAE) which can be attributed to the treatments given | Weekly | Yes | |
Secondary | The secondary immunological outcomes will be percentage change from baseline to study time point in defined cellular immune responses. | weekly | No |
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