Overview

A Phase II/III Study of Cysteamine (Mercaptoethylamine) and Zidovudine for the Treatment of HIV Disease

Status:
Completed
Trial end date:
1969-12-31
Target enrollment:
0
Participant gender:
All
Summary
To determine the safety and tolerance of low-dose versus high-dose cysteamine administered concurrently with zidovudine (AZT). To determine the pharmacokinetics and effects on immune function and viral load in patients receiving these drug regimens.
Phase:
Phase 2
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Mylan Laboratories
Treatments:
Cysteamine
Zidovudine
Criteria
Inclusion Criteria

Concurrent Medication:

Allowed:

- Chemoprophylaxis for Pneumocystis carinii pneumonia, candidiasis, Mycobacterium
tuberculosis, and herpes as prescribed by the investigator.

- Recombinant erythropoietin and G-CSF if clinically indicated.

Patients must have:

- Documented HIV infection.

- CD4 count 300 - 500 cells/mm3.

- Prior AZT therapy for at least 3 months but less than 12 months prior to study entry.

- No past or current AIDS-defining opportunistic infection.

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

- Kaposi's sarcoma requiring systemic therapy.

- Active malignancy other than basal cell carcinoma or in situ cervical carcinoma.

Concurrent Medication:

Excluded:

- Antiretroviral therapy other than AZT.

- Immunosuppressive drugs.

- Investigational HIV drugs/therapies other than study drug.

- Interferon.

- Steroids.

- Hematopoietins.

- Cytotoxic chemotherapy including Adriamycin, bleomycin, and vincristine.

Concurrent Treatment:

Excluded:

- Radiation therapy.

Patients with the following prior condition are excluded:

History of treatment-limiting intolerance to 500-600 mg AZT daily as manifested by the same
recurrent grade 3 toxicity or any prior grade 4 toxicity.

Prior Medication:

Excluded:

- Prior antiretroviral therapy other than AZT.

Required:

- AZT for at least 3 months but no more than 12 months prior to study entry.