At a glance
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A Phase I Clinical Trial to Evaluate the Safety and Immunogenicity of a Recombinant Multiclade HIV-1 Adenoviral Vector Vaccine, VRC-HIVADV014-00-VP, in Uninfected Adult Volunteers
In Brief
A Phase 1 clinical trial evaluating VRC-HIVADV014-00-VP for Healthy and HIV Infections. Completed, across 1 site.
Detailed Summary
This study will test the safety of an experimental vaccine against HIV infection and see if it causes an immune response to HIV. The vaccine is given by injection (shot) in the upper arm. It is made from DNA that codes for three HIV proteins. The DNA is inserted into an adenovirus that carries it into the muscle cells. The adenovirus normally can cause eye or upper respiratory infections, such as a cold; however, for the vaccine, it has been modified so that it cannot cause illness. Nor can the vaccine cause HIV infection, because it codes for only three of the nine HIV proteins. Healthy, normal volunteers between 18 and 44 years of age who are not HIV-infected may be eligible for this study. Candidates are screened with a medical history and physical examination and blood and urine tests. Participants are randomly assigned to receive either the experimental vaccine or a placebo (an inactive substance that looks like the vaccine). The vaccine or placebo is administered to participants in groups, according to their entry into the study. The first group receives the lowest study dose of vaccine. If this dose is safe, then the second group receives a higher dose. If this dose is also safe, then the third and final group receives the highest study dose. Clinic staff observe the subjects for side effects for 30 minutes after the injection, and subjects keep a diary card for the next 5 days, recording their temperature and any symptoms that may appear. Subjects are contacted by a nurse 2 days after the injection for follow-up. Participants are seen at the clinic for follow-up visits 1, 2, 4, 12, and 24 weeks after the injection, and then are contacted by telephone for follow-up once a year until 5 years after the injection. The clinic visits include a physical examination, medical history, blood and urine tests, and HIV counseling, as needed. Women have pregnancy tests at the screening evaluation and again at study week 24. All subjects are tested for HIV at screening and at study weeks 12 and 24, and all subjects complete a "social impact questionnaire" at week 24. All subjects are asked questions about their sexual behavior and drug use. ...