A Phase II, 48 Week, Open-Label Study Designed to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of a Simplified Dosing Regimen of Preveon (Adefovir Dipivoxil; bis-POM PMEA), Videx (Didanosine; ddI), Sustiva (Efavirenz; DMP-266), and Epivir (Lamivudine; 3TC) Administered Once Daily for the Treatment of HIV-1 Infection - ICH GCP - Clinical Trials Registry