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  • Title: Overview of misoprostol clinical experience.
    Author: Herting RL, Nissen CH.
    Journal: Dig Dis Sci; 1986 Feb; 31(2 Suppl):47S-54S. PubMed ID: 3080288.
    Abstract:
    Misoprostol is an E1 prostaglandin analog. Most of the other synthetic prostaglandins that are being studied in advanced clinical trials for gastrointestinal diseases are E2 derivatives. Misoprostol has shown a dose-related antisecretory effect that lasted 3-5.5 hr. In addition, animal studies have shown cytoprotective properties that are being confirmed in clinical studies. Ulcer-healing trials using four times daily dosing appear to parallel the antisecretory dose-response curve up to a dose of 200 micrograms qid. Evidence presented in this supplement suggests a further increase in healing-rate response at 300 micrograms misoprostol qid. The misoprostol healing rates obtained in duodenal ulcer and gastric ulcer therapy at 200 micrograms qid are not significantly different from those seen in the same studies with cimetidine at a dose of 300 mg qid. No significant rebound in recurrence has been observed during follow-up for 12 months after short-term 100- and 200-micrograms qid misoprostol treatment. The most frequent adverse effects are dose-related diarrhea and abdominal cramping, which are transient in most patients and have not caused a significant problem in clinical use. There is also a tropic effect on the pregnant uterus, which was observed in a special pharmacologic clinical study. No significant abnormalities have been detected in clinical laboratory tests or gastric biopsies. There have also been no adverse effects noted on blood pressure, pulse, platelets, the immune system, pulmonary function, gastrointestinal hormones, or the endocrine system. These previously discussed characteristics of misoprostol, and current data, suggest that this prostaglandin E1 derivative may be an important addition to the treatment of peptic ulcer disease.
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