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To provide access to maraviroc to patients who have limited or no therapeutic treatment options and to collect more safety data in a broader patient population.
Ibalizumab is a humanized immunoglobulin G monoclonal antibody directed against a human T-cell receptor (CD4) and thus suppresses HIV replication by blocking entry of HIV into CD4+ lymphocytes. Ibalizumab has completed phase I and II clinical studies in HIV-negative and HIV-infected individuals showing safety and efficacy for suppressing HIV replication.
This is an open-label protocol designed to provide continued access to maraviroc to only those subjects who have completed previous studies of maraviroc and continue to receive clinical benefit.
The new protocol will allow the patients enrolled on A4001050 to have continuous access of Maraviroc and the treatment will not be interrupted until the drug is commercially available in India.
The investigators propose to treat couples who wish to have a child in which the man is HIV-positive and the woman is HIV-negative. The investigators call these couples HIV-discordant. On the average, an HIV-positive man, who does not participate in high-risk activities, will transmit HIV to a female partner one in every one thousand acts of intercourse without a condom. To reduce transmission of HIV, HIV-discordant couples are counseled to avoid intercourse altogether, or to use condoms during every act of intercourse. In order to have a child, these patients can use donor insemination. If they wish to have a natural child of the infected man, they can use a combination of medication of the man to reduce the amount of virus in his semen, and condom use except at the time of ovulation when the woman produces an egg. This reduces the chance of infecting the woman, but studies have shown that about 4% of women will be infected with HIV using this approach. Alternatively, they can use vitro fertilization (IVF) with intra cytoplasmic sperm injection (ICSI) in which eggs are collected from the woman after hormone-stimulation and are fertilized in the laboratory by injecting a single washed sperm from her husband into each egg. The resulting embryos can be transferred to the wife's uterus and/or frozen for later use. These procedures are believed to minimize the risk of HIV transmission (although the number of cases is low), but IVF-ICSI is very expensive and are not an option for everyone. A simpler method used for over 15 years in Europe is to collect the man's semen, wash the sperm in the laboratory, and test the sperm sample for HIV before placing it in the woman's uterus (intrauterine insemination; IUI). Although the risk of HIV transmission to the woman is presumably not zero with this method, over 4000 inseminations reported have not resulted in infection of any female patients or resulting children.
This study is being conducted to assess the safety and tolerability of an oral liquid solution of Sustiva for antiretroviral therapy-naive or therapy-experienced HIV-1 infected children between the ages 3-16 who are failing or intolerant of current antiretroviral regimen and who are unable to swallow Sustiva capsules.
This study is being conducted to assess the safety and tolerability of an oral liquid solution of Sustiva for antiretroviral therapy-naive or therapy-experienced HIV-1 infected children between the ages of 3-16 who are failing or intolerant of their current antiretroviral regimen and who are unable to swallow Sustiva capsules.
The purpose of this clinical research study is to provide atazanavir to patients infected with human immunodeficiency virus (HIV) whose antiviral medications are no longer working to control HIV activity within the body and who are unable to create a new treatment regimen using other available anti-HIV drugs, because of either side effects or treatment failure previously taken. The safety of this treatment will also be studied.