Efficacy and Safety of Oral FIAC in AIDS Patients With Cytomegalovirus Infection: A Dose Ranging Study

Inclusion Criteria Concurrent Medication: Allowed: Pentamidine aerosol for prophylaxis of recurrent Pneumocystis carinii pneumonia (PCP) in patients currently receiving such treatment. Prior Medication: Allowed: Zidovudine (AZT) but only if patient has been taking the drug for > 6 weeks at a dose = or < 600 mg/day, and had < 10 percent decrease in hematocrit, neutrophils, and platelets in the last 30 days. Those off AZT must have been off it for > 1 month. Patients must: Have documented cytomegalovirus (CMV) viremia or viruria. Have a diagnosis of HIV infection by ELISA or Western blot. Be able to participate as an outpatient. Be ambulatory. Grade 0 or 1 AIDS Clinical Trial Group toxicity grades for specified laboratory tests. Be competent to sign informed consent. Be able to cooperate with the treatment plan and evaluation schedule. NOTE: The screening tests must be initiated and completed within 4 weeks prior to the first dose of FIAC. Concomitant diseases allowed: Stable mucocutaneous Kaposi's sarcoma. Superficial or uncomplicated infections such as thrush. Exclusion Criteria Co-existing Condition: Patients with the following are excluded: HIV wasting syndrome (involuntary weight loss > 10 percent of baseline body weight and/or chronic diarrhea or weakness and documented fever for at least 30 days). Clinical or x-ray evidence of bronchitis, pneumonitis, pulmonary edema, effusion, or suspected active tuberculosis. Any unstable medical condition including serious cardiovascular, infectious, oncologic, renal, or hepatic condition. Cytomegalovirus end organ disease. Kaposi's sarcoma requiring chemotherapy. Systemic fungal infection requiring amphotericin therapy. Diagnosis of idiopathic thrombocytopenic purpura (persistent platelet counts < 100000 platelets/mm3 for = or > 3 months). Patients with the following are excluded: HIV wasting syndrome. Clinical or x-ray evidence of bronchitis, pneumonitis, pulmonary edema, effusion, or suspected active tuberculosis. Any unstable medical condition including serious cardiovascular, infectious, oncologic, renal, or hepatic condition. Cytomegalovirus (CMV) end organ disease e.g., retinitis, hepatitis, gastroenteritis. Prior Medication: Excluded within 4 weeks of study entry: Zidovudine (AZT). Acyclovir. Ganciclovir (DHPG). Foscarnet. Interferon. Other drug with putative anticytomegaloviral activity. Any immunostimulating drug not specifically allowed.