Safety and Effectiveness of Giving Adefovir Dipivoxil Plus Abacavir Plus Efavirenz Plus Amprenavir to HIV-Infected Patients Who Have Failed to Respond to Previous Protease Inhibitor Treatment

Exclusion Criteria

• •You will not be eligible for this study if you:
• •Have certain serious medical conditions, including AIDS-related cancers (except Kaposi's sarcoma) that require treatment during the study.
• •Have ever taken or are allergic to adefovir dipivoxil, ABC, APV, EFV.
• •Are participating in another anti-HIV drug trial during this study.
• •Have taken certain medications within 30 days prior to study entry, including medications that affect your immune system.
• •Have been diagnosed with hepatitis within the past 30 days.
• •Abuse alcohol or drugs.
• •Are pregnant or breast-feeding.
• •Have ever taken NNRTIs.
• •Have ever taken ddI or d4T.
• •Have received chemotherapy or radiation therapy within 30 days prior to study entry.