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A multicenter, double-blind, randomized controlled study of omeprazole versus ranitidine in the treatment of duodenal ulcer in Israel. 1994

N Arber, and Y Avni, and R Eliakim, and A Swissa, and E Melzer, and D Rachmilewitz, and F Konikoff
Department of Gastroenterology, Sourasky Medical Center (Ichilov Hospital), Tel Aviv, Israel.

A multicenter, double-blind, randomized, controlled study of 203 Israeli patients with endoscopically proven duodenal ulcer is described. The study compares the efficacy (i.e., ulcer healing and relief of symptoms) and safety of 20 mg omeprazole once daily in the morning, with those of 300 mg ranitidine once daily at night. The omeprazole group had significantly higher cumulative healing rates than the ranitidine group both at day 15 (71% vs. 55%, P < 0.03) and day 29 (94% vs. 86%, P < 0.05). The efficacy was unaffected by known risk factors such as smoking. The omeprazole group had significantly fewer days with pain than the ranitidine group (median 1 vs. 3.5 days) (P < 0.03). There were no differences in ulcer size, symptoms or healing rates between Ashkenazi and Sephardic patients who were born in Israel, or who had immigrated to Israel. In summary, the present study confirms the efficacy and safety of omeprazole in the treatment of duodenal ulcer. Omeprazole provides more rapid relief of the symptoms and heals a greater proportion of duodenal ulcers, within 2-4 weeks, than ranitidine.

UI MeSH Term Description Entries
D007557 Israel A country in the Middle East, bordering the Mediterranean Sea, between Egypt and Lebanon. The capital is Jerusalem.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009853 Omeprazole A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS. H 168-68,Omeprazole Magnesium,Omeprazole Sodium,Prilosec,H 168 68,H 16868,Magnesium, Omeprazole,Sodium, Omeprazole
D010146 Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS. Suffering, Physical,Ache,Pain, Burning,Pain, Crushing,Pain, Migratory,Pain, Radiating,Pain, Splitting,Aches,Burning Pain,Burning Pains,Crushing Pain,Crushing Pains,Migratory Pain,Migratory Pains,Pains, Burning,Pains, Crushing,Pains, Migratory,Pains, Radiating,Pains, Splitting,Physical Suffering,Physical Sufferings,Radiating Pain,Radiating Pains,Splitting Pain,Splitting Pains,Sufferings, Physical
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
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
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
D004334 Drug Administration Schedule Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience. Administration Schedule, Drug,Administration Schedules, Drug,Drug Administration Schedules,Schedule, Drug Administration,Schedules, Drug Administration
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

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