Intensive treatment of AIDS‐related non‐Hodgkin's lymphomas with the MACOP‐B protocol

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Abstract
The usefulness of intensive chemotherapy with the MACOP-B protocol was evaluated in 8 patients with AIDS-related non-Hodgkin's lymphoma (NHL). Four patients had a prior AIDS diagnosis. The median CD4+ lymphocyte count was 0.079 cells x 10(9)/l (range 0.016-0.330). All patients responded to treatment. Four patients finished chemotherapy, all with complete remission, while another 3 patients deteriorated prior to finishing treatment and died. The median survival was 4 months (range 1 to 86 months). Major causes of the poor outcome were AIDS-related opportunistic infections and meningeal CNS involvement by NHL developing during or after chemotherapy. Patients with AIDS-related NHL usually do not appear to benefit from treatment with MACOP-B protocol. Advanced immunodeficiency is associated with poor tolerance to treatment and inability to finish this chemotherapy protocol. MACOP-B chemotherapy does not prevent meningeal spread of lymphoma in spite of using repeatedly systemic methotrexate crossing the blood-brain barrier. CNS prophylaxis with repeated application of intrathecal methotrexate may lower the risk of meningeal spread of lymphoma, which developed in 1 of 5 patients given CNS prophylaxis as compared to 2 of 3 patients without CNS prophylaxis.