Inclusion Criteria
Concurrent Medication:
Required:
Allowed:
- Probenecid.
- Aerosolized pentamidine.
Patients must have:
- Asymptomatic HIV infection.
- CMV seropositivity or CMV culture positivity at present or at any time in the past.
- No history of CMV disease (e.g., retinitis, colitis) or any other AIDS-defining illness.
- Treatment with AZT or ddI for at least 1 month prior to study entry.
Exclusion Criteria
Co-existing Condition:
Patients with the following symptoms and conditions are excluded:
- Uncontrolled diarrhea (three or more loose stools/day).
- Clinically significant gastrointestinal symptoms including persistent nausea or abdominal pain.
- AZT patients only:
- Deficiency in glucose-6-phosphate dehydrogenase.
- ddI patients only:
- Grade 2 or worse peripheral neuropathy.
Concurrent Medication:
Excluded:
- Combination antiretroviral therapy.
- G-CSF or GM-CSF.
- Acyclovir.
- Amphotericin B.
- Amikacin.
- Captopril.
- Carbamazepine.
- Cimetidine.
- Cyclosporine.
- Glutethimide.
- Gentamicin.
- Griseofulvin.
- Ibuprofen.
- Imipenem-Cilastatin.
- Lithium.
- Methicillin.
- Methotrexate.
- Naproxen.
- Pentamidine (Pentam 300) (Aerosolized drug permitted).
- Phenacetin.
- Phenobarbital.
- Phenytoin.
- Piroxicam.
- Ribavirin.
- Rifampin.
- Tobramycin.
- Vidarabine.
- Zalcitabine.
- Other investigational drugs.
Patients with the following prior conditions are excluded:
- History of hypersensitivity to acyclovir or ganciclovir.
- AZT patients only:
- History of gout, uric acid, kidney stones, peptic ulcer or porphyria.
- ddI patients only:
- History of pancreatitis or alcoholism, or seizures within 6 months prior to study entry or prior need for anticonvulsant therapy.
Prior Medication:
Excluded:
- Combination antiretroviral therapy within 1 month prior to study entry.
Required:
- AZT at 500 mg/day for at least 1 month prior to study entry (with 100 mg administered five times per day for at least 1 week prior to study entry). OR
- ddI at recommended dose for at least 1 month prior to study entry (with 250 mg administered every 12 hours for at least 1 week prior to study entry).
History of alcoholism (in ddI patients).
Purpose
