A Study of Mitoguazone Dihydrochloride in Patients With AIDS-Related Non-Hodgkin's Lymphoma

Inclusion Criteria Patients must have: * HIV positivity by ELISA confirmed by Western blot. * AIDS-related NHL that is refractory or relapsed. * Life expectancy of at least 12 weeks. Exclusion Criteria Co-existing Condition: Patients with the following symptoms and conditions are excluded: * Concomitant malignancy OTHER THAN curatively treated carcinoma in situ of the cervix; basal or squamous cell carcinoma of the skin; or non-active, non-visceral Kaposi's sarcoma not requiring active chemotherapy. * Active uncontrolled bacterial infection, viral infection (other than herpes simplex), or fungal infection (other than oropharyngeal candidiasis) that requires treatment within 2 weeks of study entry. * Significant cardiovascular disease. Concurrent Medication: Excluded: * Hormonal therapy (except medications given for muscle wasting, such as testosterone or Megace). * Other chemotherapy. * Investigational anti-cancer drugs. Concurrent Treatment: Excluded: * Concomitant radiation to sites other than CNS. Patients with the following prior conditions are excluded: Prior malignancy OTHER THAN curatively treated carcinoma in situ of the cervix; basal or squamous cell carcinoma of the skin; or non-active, non-visceral Kaposi's sarcoma not requiring active chemotherapy. Recommended: * Prophylaxis for PCP and oral candidiasis. Required in patients with leptomeningeal disease: * Intrathecal methotrexate or cytarabine (Ara-C). * Leucovorin. Required in patients with leptomeningeal disease: Cranial radiation to a helmet field.