Safety of ranitidine maintenance treatment of duodenal ulcer. 1984

E J Boyd, and J A Wilson, and K G Wormsley

During maintenance treatment with nocturnal ranitidine (150 mg) for 1 year, 38% of duodenal ulcers relapsed. Twenty-one patients whose ulcers remained healed after maintenance treatment for 1 year continued to receive ranitidine (150 mg at night) for a further year, while 26 patients with healed ulcers received placebo in a randomized double-blind study. The rate of recurrence of duodenal ulcers during the 2nd year of follow-up study was 18% in ranitidine-treated individuals and 87% in those receiving placebo. The ulcer recurrences of patients receiving ranitidine tended to be asymptomatic and were clinically mild in the rest. Recurrences in patients receiving placebo were usually symptomatic and significantly more likely to be associated with bleeding. We conclude that ulcers that remain healed after 1 year's maintenance treatment with ranitidine tend to remain healed if maintenance treatment is continued. Moreover, this type of continuous treatment of duodenal ulcer is clinically safer than no treatment of the ulcer disease.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D011899 Ranitidine A non-imidazole blocker of those histamine receptors that mediate gastric secretion (H2 receptors). It is used to treat gastrointestinal ulcers. AH-19065,Biotidin,N (2-(((5-((Dimethylamino)methyl)-2-furanyl)methyl)thio)ethyl)-N'-methyl-2-nitro-1,1-ethenediamine,Ranisen,Ranitidin,Ranitidine Hydrochloride,Sostril,Zantac,Zantic,AH 19065,AH19065,Hydrochloride, Ranitidine
D012008 Recurrence The return of a sign, symptom, or disease after a remission. Recrudescence,Relapse,Recrudescences,Recurrences,Relapses
D002986 Clinical Trials as Topic Works about pre-planned studies of the safety, efficacy, or optimum dosage schedule (if appropriate) of one or more diagnostic, therapeutic, or prophylactic drugs, devices, or techniques selected according to predetermined criteria of eligibility and observed for predefined evidence of favorable and unfavorable effects. This concept includes clinical trials conducted both in the U.S. and in other countries. Clinical Trial as Topic
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D004381 Duodenal Ulcer A PEPTIC ULCER located in the DUODENUM. Curling's Ulcer,Curling Ulcer,Curlings Ulcer,Duodenal Ulcers,Ulcer, Curling,Ulcer, Duodenal,Ulcers, Duodenal
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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