Annals of Oncology 5:549-551, 1994
© 1994 European Society for Medical Oncology
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A phase I antiemetic study of MDL 73,147EF, a novel 5-hydroxytryptamine antagonist in cancer patients receiving emetogenic chemotherapy
Clinical Pharmacology Unit and Medical Oncology Department, Centre Léon Bérard Lyon
1Clinical Research Department, Merrell Dow Research Institute Strasbourg, France
Correspondence to: Y. Merrouche, MD Medical Oncology Department Centre Léon Berard 28, rue Laënnec 69373 Lyon Cedex 08, France
BACKGROUND: We conducted a phase I study with MDL 73.147EF, a new 5 hydroxytryptamine 3 (5-HT3) receptor antagonist, in 25 patients requiring emetogenic chemotherapy.
PATIENTS AND METHODS: 5 groups of 5 patients received rising unit doses of MDL 73,147EF (10 to 50 mg) intravenously before chemotherapy, with two additional doses per day if needed. Nausea was assessed by a patient-completed visual analogue scale and episodes of vomiting were recorded by an independant observer.
RESULTS: 42% of the patients were complete or major re-sponders on day one. Five patients were given other rescue antiemetic therapy. Adverse effects included headache (16%) diarrhea (8%) and other minor events. The best results were obtained with the 30,40 and 50 mg doses.
CONCLUSIONS: MDL 73.147EF is a well-tolerated and probably effective antiemetic agent which requires further evaluation in randomised controlled clinical studies.
MDL 73, 147EF, 5-HT3 receptor antagonist, antiemetic, cancer chemotherapy