Active clinical trials for "Acquired Immunodeficiency Syndrome"

The purpose of the study is to assess the safety and effectiveness of intravaginal 1% tenofovir gel in preventing Human Immunodeficiency Virus (HIV-1) infection and Herpes Simplex Virus (HSV-2) infection in sexually active women.

The purpose of this study is to determine how drug abuse treatment interventions can be integrated with established Human Immunodeficiency Virus prevention approaches to optimize their combined effectiveness.

The purpose of this study is to determine whether dapivirine gel 4789 is safe for daily use by healthy women in South Africa.

At the end of 2004 there were more than 40 million people infected worldwide with HIV, with an estimated 16,000 new infections every day (Joint United Nations Programme on HIV/AIDS [UNAIDS], 2004). The HIV epidemic threatens whole societies particularly in Africa and Asia and rates of infections in the Western countries have also increased over the last few years. However, despite more than 15 years of research, an effective vaccine against HIV and acquired immunodeficiency syndrome (AIDS) has still not been developed. There is considerable evidence that cellular immune responses can effectively control HIV-1 replication during acute and chronic infections thereby possibly protecting individuals from infection and preventing the spread of HIV. To be truly effective in the general population, a vaccine must induce responses specific to immunologically conserved regions. The epitope-based vaccine MVA-mBN32 represents a very logical approach to this problem because of its potential to elicit a polyfunctional immune response and to focus these responses to conserved epitopes. In this study the safety, tolerability, and immunogenicity of a recombinant MVA-BN® vaccine expressing cytotoxic T lymphocyte (CTL) and helper T lymphocyte (HTL) epitopes of HIV-1 (MVA-mBN32) in 36 healthy volunteers will be examined. This will include a full analysis of CD4+ T helper cells and CD8+ CTL responses to these epitopes, to establish the potential of such a homologous prime-boost vaccine approach to induce a broad cell-mediated response to different HIV antigens.

This is a research study to evaluate the safety of a vaccine to protect people from HIV infection. Human Immunodeficiency Virus (HIV) is the cause of AIDS (Acquired Immune Deficiency Syndrome). AIDS is one of the most serious viral infections of our time. It is believed that all persons who contract HIV will eventually develop AIDS. Because of this, we are trying to develop new ways to prevent infection with HIV. The vaccine that will be tested in this study has been prepared from a small part of the HIV. The part of the HIV used in this vaccine is the "envelope" or coating part of the virus. In this study, researchers will evaluate how well the vaccine is tolerated, how much vaccine should be given, and determine if any side effects occur in response to the vaccination.

The purpose of this study is to find the most effective and safe treatment to prevent the passage of HIV from an infected mother to her baby.

The purpose of this study is to test whether a multi-component, community-level, HIV-prevention intervention is more effective than existing HIV prevention activities in reducing unprotected anal intercourse (UAI) among men ages 15-25 who have sex with men.

To determine whether a regimen of single dose nevirapine combined with either 4 or 7 days of Combivir®, compared to a regimen of single dose nevirapine, for the prevention of mother to child transmission can reduce the rate of development of drug resistant mutations of HIV-1, in HIV-1 infected pregnant women, who have not received antiretroviral therapy previously.

Cigarette smoking remains highly prevalent among persons living with HIV (PLWH). Quitting smoking can have important health benefits for this population. However, PLWH have historically had a difficult time quitting smoking. This is likely due, at least in part, to poor medication adherence. Poor adherence to medication is a well-documented issue among PLWH. Research shows that not taking smoking cessation medications as prescribed can limit their treatment effectiveness. Improving adherence to smoking cessation medications will likely increase smoking cessation attempt success. Mobile phone applications and behavioral interventions show promise for improving adherence to smoking cessation medications and cessation outcomes among PLWH. Therefore, this trial will assess 1) whether a mobile phone application is a feasible and acceptable intervention for improving medication adherence; 2) whether use of the mobile phone app improves adherence to varenicline; and 3) smoking cessation outcomes.

This cluster randomized trial will investigate whether messaging about being undetectable equals untransmittable (U=U) designed through a participatory, user-centered approach increases HIV testing uptake within men in Klipfontein Mitchells Plain (KMP) district in Cape Town, South Africa.