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Find 730 clinical trials for hiv/aids near Philadelphia, Pennsylvania. Connect with research centers in your area.
Showing 241-260 of 730 trials
NCT00001057
To determine the effects of zidovudine (AZT) alone and in combination with didanosine (ddI) on viral load in the lymphoid tissue and blood of antiretroviral-naive, HIV-infected patients with CD4 counts greater than or equal to 550 cells/mm3. Recent studies have shown that during the asymptomatic phase (clinical latency) of HIV infection, there is an extraordinarily large number of infected CD4+ lymphocytes and macrophages throughout the lymphoid system, both in latent and productive states. These findings support the belief that early intervention therapy with reverse transcriptase inhibitors could prolong the clinical latency period.
NCT00001125
The purpose of this study is to see if the varicella-zoster virus (VZV) vaccine will be safe and if it can help prevent shingles in HIV-infected children who have already had chickenpox. VZV is the virus that causes chickenpox. If this virus is reactivated in the body, it can also cause shingles. Shingles is common in children with HIV who have had chickenpox, although it is usually not life-threatening. The VZV vaccine used in this study may be able to prevent HIV-positive children who have had chickenpox from developing shingles.