Combination chemotherapy and alpha-interferon in the treatment of Kaposi's sarcoma associated with acquired immune deficiency syndrome.
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abstract
Thirteen men with a median age of 37 (range 28 to 46) years who had extensive Kaposi's sarcoma associated with acquired immune deficiency syndrome (AIDS) were treated with combination chemotherapy and alpha-interferon. Four patients had stage III disease and nine had stage IV disease (one with pulmonary and eight with gastrointestinal involvement). Treatment consisted of monthly courses of actinomycin D, 1 mg/m2, and vinblastine sulfate, 6 mg/m2, given intravenously on day 1, bleomycin, 10 mg/m2 given intravenously on days 1 and 8, and human lymphoblastoid (alpha-) interferon, 10 million U/m2 given subcutaneously three times a week for six doses starting on day 14. Forty-one treatment cycles (median 3, range 1 to 12) were administered. The median granulocyte and platelet counts on day 14 before the start of interferon therapy were 600 X 10(9)/L and 134 X 10(9)/L respectively; the counts did not fall further during interferon therapy. There was no difference in T-cell subsets, 2',5'-oligoadenylate synthetase level or results of blastogenesis studies after interferon therapy. Four patients required admission to hospital for neutropenia-associated fever. A complete response (of 24 weeks' duration) was seen in one patient and a partial response (of 14 to 44 weeks' duration) in four. One patient had a mixed response, with regression of skin involvement but progression of pulmonary disease. The median length of survival was 48 (range 4 to 143) weeks. Eleven patients died of progressive Kaposi's sarcoma, one of lymphoma and one of Pneumocystis carinii pneumonia. The results suggest that this form of therapy is not appropriate for patients with Kaposi's sarcoma associated with AIDS.
