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  • Title: A comparative study of misoprostol and ranitidine in the healing of duodenal ulcers. A double-blind controlled trial.
    Author: Simjee AE, Spitaels JM, Pettengell KE, Manion GL.
    Journal: S Afr Med J; 1987 Jul 04; 72(1):15-7. PubMed ID: 3110981.
    Abstract:
    This study was undertaken to evaluate the safety and therapeutic efficacy of the prostaglandin E1 analogue, misoprostol, when compared with ranitidine in the healing of duodenal ulcers. Sixty patients with endoscopically proven duodenal ulcers participated in a double-blind controlled randomised trial comparing misoprostol 400 microgram and ranitidine 150 mg, both given twice daily orally for up to 8 weeks. Patient characteristics at entry into the trial were similar in the two treatment groups, except that there were 6 women in the ranitidine-treated group and none in the misoprostol-treated group. Ulcers were 0.3 - 2.0 cm in length. Healing was determined by endoscopy at 4 weeks; if ulcers were not healed, endoscopy was repeated at 8 weeks. All patients were given antacid tablets to be used as needed for pain up to a maximum of 8 tablets per day. Healing rates at 4 weeks for a total of 58 evaluate patients in the two treatment groups were: misoprostol (15/29; 51.7%) and ranitidine (20/29; 69.0%). Healing rates at 8 weeks for a total of 55 evaluable patients in the two treatment groups were: misoprostol (21/27; 77.8%) and ranitidine (24/28; 85.7%). The healing rate for misoprostol did not differ significantly from that for ranitidine at both the 4-week (P = 0.28) and the 8-week assessment (P = 0.68). Diarrhoea was the most common side-effect but was usually mild. It occurred in 11 patients on misoprostol and 1 patient on ranitidine. These results indicate that misoprostol 400 micrograms was taken twice daily orally for up to 8 weeks is effective and safe for the treatment of duodenal ulcer.
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