Adrenal Corticosteroids as Antiemetics During Cancer Chemotherapy

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Abstract
Adrenal corticosteroids were first reported in 1979 to have antiemetic effects during cancer chemotherapy. Since then considerable numbers of trials have been conducted to evaluate their activity alone and in combination with other agents. The majority of the research has centered on dexamethasone, although other corticosteroids have been studied. Dexamethasone as a single agent is superior to placebo and appears to be more effective than standard doses of prochlorperazine when administered with highly emetic agents. Dexamethasone is comparable to metoclopramide against moderately emetogenic agents and low-dose cisplatin, but less effective than metoclopramide against highly emetic agents or high-dose cisplatin. Dexamethasone improves the activity of prochlorperazine and metoclopramide and may reduce some of the side effects associated with the latter. Current trials continue to explore the role of corticosteroids alone and in combination with antiemetics.