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Nevirapine clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT00309582 Completed - Adverse Event Clinical Trials

Nevirapine Levels and Fluconazole

Start date: n/a
Phase: N/A
Study type: Observational

Nevirapine (NVP)-based antiretroviral therapy (ART) has been commonly used in many developing countries due to its affordability and feasibility. Nonetheless, the potential drug-drug interaction between NVP and fluconazole (FLU) is a major concern. NVP can induce cytochrome P450 isoenzymes in the liver while FLU inhibit the activity of this enzyme. The recent report has demonstrated that fluconazole significantly raises plasma NVP levels and may cause serious hepatotoxicity. Conversely, NVP does not significantly influence the plasma level of FLU. However, there have not been enough data or any recommendations to adjust NVP dosage for the concurrent use of both drugs in order to avoid the adverse events. A previous study has demonstrated that genetic disposition may play a role in NVP hypersensitivity reactions. There is little data of safety and tolerability for concurrent use of NVP and FLU in Asian populations. We therefore conducted this prospective observational study to compare the trough plasma NVP levels and frequencies of adverse events among antiretroviral HIV-infected patients who did not receive FLU and received FLU in different dosages for cryptococcosis prophylaxis or treatment; and subsequently received NVP-based ART regimens.