View clinical trials related to HIV Infections.
Filter by:The incidence of lymphomas is increased among HIV infected patients. In 70 % of cases, those are Non Hodgkin's lymphomas (NHL) and Hodgkin lymphomas (HL) in 30% of cases. In France, their incidence is estimated to 100 cases per year (data from the "Base de données Hospitalière Française sur l'Infection à VIH" (FHDH)). The main mechanisms involved in lymphomagenesis are immune dysfunction, involvement of oncogenic viruses (Epstein-Barr (EBV) and HHV8) and molecular oncogenic events. A better understanding of these different pathways, give the possibility to design specific treatments. The treatment of these lymphomas is not standardized. A prospective study of patients with HIV associated lymphoid malignancies is an innovating tool to answer epidemiological, physiopathological and therapeutic questions. We propose a prospective multicentric study of these patients. The main objectives of this prospective study are to: - evaluate the incidence, characterise clinically and histologically NHL and HL cases associated to HIV - perform an observational study of the treatment and outcome of these patients out of the context of clinical trials, - study the differentiation and activation of B-cell populations, - better understand the role of specific T cell responses in the control of EBV infection, - allow other biological studies from the ANRS group " Lymphome et VIH ". The recruitment of 40 cases per year is expected. The length of inclusions is 7 years. The follow-up will be of 2 years. Clinical, pathological and biological data at diagnosis and during follow-up will be collected. This will allow characterizing the lymphoma, the HIV infection, the antitumoral treatments and the outcome of lymphoma. Biological samples will be centralized to collect cell, DNA, RNA, plasma, serum and tumour collections (Y.Taoufik, S Prevot* ). To better understand the EBV infection and lymphomagenesis in HIV infection, we propose to follow the viral load and the molecular characteristics of EBV in PBMC, plasma and tumour (P.Morand* , V.Boyer* ), to investigate the EBV-T cell responses (G.Carcelain) and the presence and reactivation of EBV in peripheral B cells (C.Amiel* , JC Nicolas) and in tumoral samples (M.Raphael* , I.Joab* ). The other mechanisms of lymphomagenesis in HIV infection will be studied by the analysis of the sub-populations of B-cells in terms of activation and differentiation (Y.Taoufik) and by the characterization of MSI tumours (A.Duval).
There is a need to identify and test effective strategies to reduce meth use and human immunodeficiency virus (HIV) risk behaviors in heterosexuals. This project will compare the efficacy of a manually-driven HIV testing and counseling (HIV T/C) intervention, with HIV T/C plus a manualized Contingency Management (CM), with HIV T/C plus CM plus a manualized Strengths-Based Case Management (CM/SBCM) model. As HIV T/C is the standard of care, the investigators are testing to determine if the investigators can enhance this standard. The specific aims and hypotheses of this protocol are: 1. To compare the relative efficacy of HIV T/C vs. CM vs. CM/SBCM on reducing drug use, specifically meth use. Hypothesis 1: CM/SBCM will reduce drug use more than those in CM (which will have more reduction than HIV T/C), potentially mediated through increased service utilization. 2. To compare the relative efficacy of HIV T/C vs. CM vs. CM/SBCM on reducing HIV and STI risk behaviors, specifically sex risk behaviors but also needle risk for injection drug users (IDUs). Hypothesis 2: CM/SBCM will have greater decreases in HIV risk behaviors than those in CM (which will have greater decreases than HIV T/C), potentially mediated through reduced drug use. 3. To compare the relative efficacy of HIV T/C vs. CM vs. CM/SBCM on improving mental health status. Hypothesis 3: CM/SBCM will have greater improvements in mental health status than those in CM (which will have greater improvements than HIV T/C), potentially mediated through increased service utilization and reduction of drug use, and potentially moderated by baseline meth use.
The purpose of this study is to determine whether the availability of home self-testing for HIV will increase HIV testing frequency among men who have sex with men without negatively impacting their risk for HIV acquisition.
HIV vaccines are designed to create an immune response to certain components of the HIV virus called peptides. Previous research indicates that one peptide, called Gag, may be particularly important for stimulating an immune response to HIV. Many vaccines being studied combine multiple peptides, but including other peptides may weaken the body's response to Gag. This study will test whether a vaccine that targets Gag and another peptide called Env is better than a vaccine without Env at causing an immune response to Gag.
Using a randomized clinical trial (RCT), this study is designed to assess the effectiveness of HIV (human immunodeficiency virus) risk-reduction interventions targeting injection drug users (IDUs) in three Ukraine oblasts (regions). The investigators propose to compare the effectiveness of a revised and updated manually-driven HIV testing and counseling intervention, the Counseling and Education (C & E) model developed by NIDA, with the C & E plus a manualized network intervention. At each site, Odessa, Donetsk and Nikolayev, 250 "index members" and 500 of their network members will be recruited through street outreach over a 32-month period and randomly assigned to C & E alone or C & E plus the network intervention. Participants will be tested for drug metabolites, interviewed using ACASI (Audio Computer-Assisted Self-Interviewing), and given a rapid test for HIV at baseline, 6 and 12-months. At six-months, network members will be asked to recruit two others they inject with but who are not in the study. Primary outcomes include knowledge, self-efficacy, injection and sex-related risk behavior reduction and partner disclosure among indexes and primary and secondary network members and intervention diffusion to secondary network members. The investigators hypothesize more positive and significant change, including injection and sex risk reduction, intervention diffusion, and partner disclosure, among indexes as well as first and second network members in the network plus C & E arm compared to C & E alone. Specific aims include: 1. To compare the effectiveness of the C & E alone with the additive effect of a network intervention plus C & E in increasing knowledge about HIV and increasing self-efficacy to practice safer injection and sex-related behaviors among indexes, primary and secondary network members. 2. To assess the effectiveness of the C & E alone with the additive effect of a network intervention plus C & E in reducing drug and sex risk behaviors among indexes, primary and secondary network members. 3. To compare the extent of intervention diffusion to second wave network members in the two arms. 4. To evaluate the extent of disclosure by HIV positive indexes and network members in the two arms
This study will compare the efficacy and safety of ATV/r at either 200/100 mg or 300/100mg given daily in Thai patients in combination with 2NRTIs.
The purpose of this study is to study and compare the pharmacokinetics profile of low dose raltegravir (RAL) (400mg OD and 800mg OD) and standard dose of 400mg BID in Thai HIV-infected patients.
This is a randomized, open label, phase II trial to evaluate the safety and immunogenicity of two different schedules of vaccination against influenza A H1N1 in HIV-infected individuals, in which each of the randomized groups will be compared with HIV-negative volunteers vaccinated with the regimen indicated by the Brazilian National Immunization Program. Will be included in the study HIV-infected patients, stratified by CD4 count (< 200 cells/mm3 or > 200 cells/mm3) at the time of screening for the study, not receiving antiretroviral therapy treatment or receiving stable treatment for at least 8 weeks, with no plans to change over the next 6 months, eligible to receive vaccine against influenza A H1N1. The control group will be formed by HIV-negative individuals, confirmed by serology performed at screening, eligible to receive vaccine against influenza A H1N1. Patients infected with HIV will receive one of two possible vaccination regimens: 1) 3.75 µg in two applications 21 days apart, 2) 7.5 µg in two applications 21 days apart. The volunteers in the control group will receive a single application of 3.75 µg dose of the vaccine. The study's hypotheses are: 1) The vaccine against the H1N1 virus promotes antibody titers above the level specified for protection (seroconversion), being as safe and well tolerated in patients HIV-1 infected as in non HIV-infected volunteers; 2) The proportion of seroconversion for H1N1 virus vaccine at a dose of 3.75 µg in HIV-1-infected patients is similar to the proportion of seroconversion induced by the same vaccine at a dose of 7.5 µg; 3)The proportion of seroconversion with one dose of the vaccine against H1N1 virus is similar to the proportion after the second dose.
The aim of the study is to observe the tolerability and effectiveness of Kaletra in Human Immunodeficiency Virus/Hepatitis-B Virus and Human Immunodeficiency Virus/Hepatitis-C Virus co-infected patients.
This is a five-part study that will take place in the Bronx, NY, and Washington, D.C. The different components of the study will focus on increasing the number of people being tested for HIV, evaluating ways to link HIV-infected people to HIV care sites, evaluating methods to reinforce antiretroviral therapy (ART) adherence, and evaluating a counseling program that focuses on HIV prevention.