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Medline ® Abstract for Reference 88

of 'Prevention and treatment of chemotherapy-induced nausea and vomiting in adults'

Role of maintenance oral dexamethasone in prophylaxis of delayed emesis caused by moderately emetogenic chemotherapy.
Koo WH, Ang PT
Ann Oncol. 1996;7(1):71.
BACKGROUND: Although usually a problem of cisplatin-based chemotherapy, delayed emesis can cause severe distress in patients treated with cyclophosphamide. Dexamethasone has been shown to be effective in the control of cisplatin-induced delayed emesis, but its role against the delayed problem in patients treated with cyclophosphamide has not been demonstrated. Our study was conducted to evaluate the effect of dexamethasone in delayed emesis induced by cyclophosphamide.
PATIENTS AND METHODS: Ninety-eight patients were given i.v. granisetron and i.v. dexamethasone before chemotherapy, and randomised to receive either oral dexamethasone 4 mg twice daily as maintenance or no maintenance.
RESULTS: Ninety-four patients were evaluable. Of those given maintenance oral dexamethasone, 57% had complete and 30% had major control of delayed emesis, versus 33% and 15%, respectively, of patients who did not receive maintenance. Side effects are mainly constipation and headache.
CONCLUSION: The results shows that oral dexamethasone is an effective agent against cyclophosphamide-induced delayed emesis.
Department of Medical Oncology, Singapore General Hospital.