A Study of Azidothymidine (AZT) in the Treatment of HIV Infection in Patients Receiving a Bone Marrow Transplant

Exclusion Criteria Co-existing Condition: Patients with current life-threatening infection at time of transplant that would preclude a transplant are excluded. Concurrent Medication: Excluded: * Other anti-retroviral agents. Patients with current life-threatening infection at time of transplant that would preclude a transplant are excluded. Patients must be: * HTLV III antibody positive by ELISA or Western blot or HTLV III viremia. * At high mortal risk with a diagnosis of AIDS or AIDS Related Complex (ARC). * Also patient must fall into one of the following categories: * Have an HIV seronegative identical twin to serve as a bone marrow donor. * Have documentation of large cell/diffuse histiocytic lymphoma/DPDL. * Be a good risk candidate for bone marrow transplant.