A phase I trial of taxol given by a 6-hour intravenous infusion.
1991
Taxol is a unique mitotic inhibitor that has entered phase II investigation. Phase I studies demonstrated hypersensitivity reactions that were related to the cremophor vehicle and to the rate of drug infusion. As a result, the time span of intravenous (IV) infusion of taxol was routinely prolonged to 6 hours or beyond, and premedication with diphenhydramine, dexamethasone, and cimetidine was initiated. Early studies showed antitumor activity, especially against malignant melanoma and ovarian carcinoma. This phase I trial was performed giving taxol, as a 6-hour IV infusion every 21 days, without premedication. The purpose was to study the necessity of premedication and its impact on toxicity and pharmacokinetics. Thirty-one patients received 64 assessable courses of taxol. One patient had a hypersensitivity reaction, which was easily controlled using routine measures. Myelosuppression was dose-limiting, but sporadic, with two fatalities due to sepsis. Nonhematologic toxicity was of grade 1 and 2 except for...
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