Author:
Grunberg S M,Gala K V,Lampenfeld M,Jamin D,Johnson K,Cariffe P,Strych D,Krailo M
Abstract
Metoclopramide is an effective antiemetic for cisplatin-induced vomiting when given in parenteral high-dose regimens but not oral low-dose regimens. Metoclopramide was compared to haloperidol, also given in a high-dose parenteral regimen. Patients received two cycles of cisplatin at a dose greater than or equal to 70 mg/m2. Metoclopramide (2 mg/kg intravenous) was given every two hours for five doses beginning one half hour before cisplatin. Haloperidol (3 mg intravenous) was given on the same schedule. A randomized double-blind crossover design was used to control subjective bias and to compare the same patient's experiences. Twenty-eight patients completed both study arms. Excellent control of vomiting was achieved with both drugs. Metoclopramide resulted in 1.92 vomiting episodes (range, 0-5) with 36% having no vomiting. Haloperidol resulted in 3.04 vomiting episodes (range, 0-8) with 20% having no vomiting. Significantly fewer vomiting episodes were noted with metoclopramide rho = .006, paired sign test). However, responses to the two drugs were well correlated (Spearman's rho = .39, P = .03). Metoclopramide and haloperidol are both excellent antiemetics when given in sufficient dosage by an effective route. Metoclopramide does show a mild advantage. However, the positive correlation in response to these agents suggests a common mechanism of action. The ability to identify related antiemetics will be useful in the design of rational combination antiemetic therapy.
Publisher
American Society of Clinical Oncology (ASCO)
Cited by
70 articles.
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