ART Drug Dosage Adjustment in HIV-infected Population

The first 2 weeks, TDF (300 mg) + 3-TC (300 mg) + EFV (400 mg); week 3, TDF (200 mg) + 3-TC (300 mg) + EFV (400 mg ); week 4, TDF (150 mg) + 3-TC (300 mg) + EFV (400 mg).From week5, if the HIV viral load decreased as expected or no rebound, use TDF (200 mg) + 3-TC (300 mg) + EFV (400 mg) until study complete; if the viral load increases, switch to the standard treatment regimen: TDF (300 mg) + 3-TC (300 mg) + EFV (600 mg).