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건강 성인에서 라니티딘(300mg)과 오메프라졸(10mg, 20mg)의 위식도역류 및 위내 pH에 대한 효과
김영선(Young Sun Kim),송치욱(Chi Wook Song),김윤홍(Yoon Hong Kim),김혜랑(Hye Rang Kim),김윤배(Yun Bae Kim),허병원(Byung Won Hur),이정환(Jung Whan Lee),진윤태(Yoon Tae Jeen),김창덕(Chang Duck Kim),류호상(Ho Sang Ryu),현진해(Jin Hai Hy 대한소화기기능성질환·운동학회 2000 Journal of Neurogastroenterology and Motility (JNM Vol.6 No.2
N/A Background/Aims : This study was done to compare the effects of Omeprazole (OMD) 10 or 20 mg with Ranitidine(RAN) 300 mg on intragastric acidity and gastroesophageal reflux in healthy subjects. Methods : Ten healthy male volunteers were studied after administrations of 5 days dosing with either RAN 300 mg, OMD 10 mg or 20 mg, once each morning. On the 5th day, intragastric pH and lower esophageal pH were measured by a dual channel antimony pH catheter for 10 hours. Results : Gastroesophageal reflux was reduced after administrations of RAN 300 mg, OMD 10 mg or 20 mg (p<0.05) and there was no significant difference among the three drugs (p>0.05). The gastric holding time of pH >4 was significantly prolonged over fasting and postprandial periods after RAN 300 mg, OMD 10 mg or 20 mg administrations (p<0.05). OMD 20 mg showed the most potent effect on gastric acid suppression (p<0.05), but there was no significant difference between RAN 300 mg and OMD 10 mg (p>0.05). OMD administrations (10 mg or 20 mg) exhibited a more potent effect on gastric acid suppression during the postprandial period than RAN 300 mg (p<0.05). Conclusions : OMD 10 mg was as potent as RAN 300 mg on inhibition of gastric acid, but less potent than OMD 20 mg. There was no difference among the three drugs in regard to gastroesophageal reflux in healthy subjects.