A Phase I Study to Evaluate the Pharmacokinetics, Safety and Antiviral Effects of Concurrent Administration of Zidovudine (AZT) and 2'3'-Dideoxyinosine (ddI) in Patients With Human Immunodeficiency Virus (HIV)

Launched by GLAXO WELLCOME · Aug 30, 2001

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Gender

ALL

Eligibility criteria

• • Inclusion Criteria
• Concurrent Medication:
• Allowed:
• • Acyclovir not to exceed two 14-day courses of therapy during trial. Discontinue ddI while receiving acyclovir.
• Patients must have the following:
• • Positive HIV antibody using federally licensed ELISA test kit.
• • CD4 counts \< 400 on two consecutive visits within one month prior to entry.
• Prior Medication:
• Allowed:
• • Zidovudine (AZT) if treated for less than 120 days.
• • Pharmacologic doses of steroids if given for management of Pneumocystis carinii pneumonia (PCP) (not to exceed 21 days).
• • Exclusion Criteria
• Co-existing Condition:
• Patients with the following conditions or symptoms are excluded:
• • - Visceral or progressive Kaposi's sarcoma (KS) (defined by \> 10 new lesions in the thirty days prior to entry) or patients who require chemotherapy or radiation therapy for Kaposi's sarcoma. Other concurrent neoplasms other than basal cell carcinoma of skin or in situ carcinoma of the cervix. Malabsorption as defined by persistent diarrhea ( \> 4 stools/day for four weeks) which is unresponsive to antidiarrheal agents. Opportunistic infection requiring maintenance therapy. History of Central Nervous System opportunistic infections (e.g., toxoplasmosis, cryptococcosis). History of seizure disorders. Prior history of pancreatitis. History of peripheral neuropathy or any significant signs or symptoms of neurological disease. Examinations for peripheral neuropathy should assess changes in extremities. Clinically significant hyperuricemia (tophaceous gout, urate nephropathy). History of cardiomyopathy.
• Concurrent Medication:
• Excluded:
• • Intravenous pentamidine.
• • Intravenous trimethoprim / sulfamethoxazole.
• • Alcohol.
• • Suppressive acyclovir therapy (see Inclusion Medications).
• • Allopurinol.
• • Probenecid.
• • Isoniazid (INH).
• • Dipyridamole.
• Concurrent Treatment:
• Excluded:
• • Radiation therapy for Kaposi's sarcoma.
• Patients with the following are excluded:
• • Zidovudine (AZT) intolerance as evidenced by inability to tolerate at least 600 mg AZT daily.
• • Previously intolerant to didanosine (ddI) evidenced by peripheral neuropathy or seizures or pancreatitis or gastrointestinal toxicity or hematologic toxicity.
• • Diseases or conditions listed under Patient Exclusion Co-existing Conditions.
• Prior Medication:
• Excluded:
• • Zidovudine (AZT) for \> 120 days.
• • Dideoxycytidine (ddC).
• * Excluded within 30 days of study entry:
• • Antiretroviral therapy.
• • Immunomodulators.
• • Biological response modifiers.
• • Cytotoxic chemotherapy for Kaposi's sarcoma.
• * Excluded within 60 days of study entry:
• • Ribavirin.
• Prior Treatment:
• Excluded within 2 weeks of study entry:
• • Transfusions.
• * Excluded within 30 days of study entry:
• • Radiation therapy for Kaposi's sarcoma.
• • Active substance abuse that would impair compliance with study procedures.