Inclusion Criteria:

• History of either opportunistic infection and/or Kaposi's sarcoma, and/or serologic evidence of past infection with HIV. Ability to give informed consent.
• Allowed but discouraged: Antiretroviral medication. Immunomodulating medication. Psychoactive medication.
• Not breast-feeding
• Abstinence or agree to use barrier methods of birth control / contraception during the study
• Not pregnant
• Negative pregnancy test
• CD4 >= 200 cells/mm3 (200 - 300 - 400 - 500 - 600 - 700 - 800 plus).
• Creatinine <= 1.6 mg/dl
• Hemoglobin >= 12 g/dl
• Platelet Count >= 100000 /mm3

Exclusion Criteria:

• Patients with the following diseases or symptoms are excluded: Space-occupying lesion in brain. Life-threatening opportunistic infection at time of entry into trial. History of major psychiatric illness prior to 1977 or time of initial exposure to HIV, if that is known.
• Patients with the following diseases or symptoms are excluded: Space-occupying lesion in brain. Life-threatening opportunistic infection at time of entry into trial. History of major psychiatric illness prior to 1977 or time of initial exposure to HIV, if that is known.
• Excluded within 4 weeks of study entry:

Antiretroviral agents. Anticancer treatments. Psychoactive agents.

Excluded within 4 months of study entry:

Suramin.

• Avoid: Antiretroviral medication. Immunomodulating medication. Psychoactive medication.
• Excluded within 4 weeks of study entry:

Radiation.

• Breast-feeding
• Positive pregnancy test
• Pregnant
• No abstinence or no agreement to use barrier methods of birth control / contraception during the study