Abstract
To study the efficacy of high doses of beta-ser-interferon (recombinant human 17-serine beta-interferon) in patients with human immunodeficiency virus (HIV) infection and Kaposi sarcoma. A nonrandomized, controlled trial of two high-dose regimens of beta-ser-interferon administered until tumor progression, toxicity, or an acquired immunodeficiency syndrome (AIDS)-defining opportunistic infection occurred. An AIDS treatment clinic at a tertiary care center. A sequential sample of 39 patients with biopsy-proven, AIDS-related Kaposi sarcoma were enrolled during a 2-year period. Thirty-eight patients were evaluable for response. Most patients (35 of 38) had one or more of the following clinical or laboratory predictors for a poor response to interferon therapy: HIV p24 antigenemia, low CD4 cell numbers, elevated beta 2-microglobulin levels, previous opportunistic infections, or previous systemic chemotherapy. Beta-ser-interferon was self-administered subcutaneously at home 5 days per week. The first 21 patients used 90 million IU/d, and the remainder used 180 million IU/d. Six patients (16%) had a major clinical response, and 15 (39%) had stable disease for prolonged periods. Toxicities were minimal; the major toxicity was a skin r...Continue Reading
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