Evaluating the efficacy, pharmacodynamics, and safety of Efavirenz 400mg in treatment-naïve Chinese HIV-infected patients.

Treatment-naive HIV-infected patients are designed to enroll and receive efavirenz 400mg combined with tenofovir (TDF) and lamivudine (3TC) as initial antiretroviral regimens, and monitoring for 48 weeks, to evaluate efavirenz concentration, T-cell subsets, HIV RNA load, and neuropsychiatric tests with Hamilton depression scale (HAMD) and Pittsburgh sleep quality index (PSQI) at baseline, 4, 12, 24, 48 weeks.

Inclusion Criteria:

• (1) HIV treatment-naïve, (2) age between 18 years or older, (3) be willing to complete the HAMD and PSQI scale and follow-up regularly, (5) not participating in other studies.

Exclusion Criteria:

• (1) acute HIV-1-infected patients, (2) an AIDS-defining illness such as pneumocystis pneumonia, tuberculosis within 2 weeks of entry, (3) transaminase and alkaline phosphatase levels beyond three times the upper limit of the normal range, bilirubin level more than 2.5 times the upper limit of the normal range, and serum creatinine level excess 1.5 times the upper limit of the normal range, (4) pregnancy or breast feeding