Pharmaceutical development of Ondansetron tablets

Ondansetron tablets contain ondansetron base as the hydrochloride dihydrate, lactose, microcrystalline cellulose, starch and magnesium stearate. The release of drug substance is related to the tablet disintegration time. Tablets with disintegration times of 3 and 10 min release 85% of the drug substance in approximately 6 and 20 min respectively. Satisfactory bioavailability has been demonstrated. The tablets have good stability, and have a shelf life of 2 years when stored below 30 o C