نتایج جستجو برای: ranitidine hcl
تعداد نتایج: 17890 فیلتر نتایج به سال:
and Clinical Immunology, Ajou University School of Medicine, Suwon-si, South Korea; Department of Internal Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea; Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea. Background: There have been a few reports of hypersensitivity reactions to Ranitidine ...
A floating type of dosage form of ranitidine hydrochloride in the form of microspheres capable of floating on simulated gastric fluid was prepared by solvent evaporation technique. Microspheres prepared with ethyl cellulose, Eudragit(®) RS100 alone or in combination were evaluated for percent yield, drug entrapment, percent buoyancy and drug release and the results demonstrated satisfactory per...
In this study, we examined the effect of nimesulide and ranitidine on the indomethacin- and ibuprofen-induced ulcer. In addition, we investigated whether there was a direct chemical interaction of nimesulide and ranitidine with indomethacin, and also whether nimesulide and ranitidine neutralized the gastric acid in vitro. Our studies showed that nimesulide (100, 300, 500 mg/kg) prevented the in...
Histamine receptor 2 (H2) antagonists are widely used clinically for the control of gastrointestinal symptoms, but also impact immune function. They have been reported to reduce tumor growth in established colon and lung cancer models. Histamine has also been reported to modify populations of myeloid-derived suppressor cells (MDSCs). We have examined the impact of the widely used H2 antagonist ...
Amoxicillin when administered with gastric acid suppressors has been shown to be effective in eradication of Helicobacter pylori in 50 to 80% of subjects. The aim of this investigator-blind crossover study was to determine if gastric mucosal amoxicillin uptake was affected by increasing gastric juice pH. Fifteen male subjects (7 H. pylori positive and 8 H. pylori negative) were randomized to re...
Fifty nine patients with Helicobacter pylon positive duodenal ulcers that failed to heal after a six week course of treatment with H2 blockers were randomly assigned to one of the following three regimens: (i) bismuth subsalicylate, 600 mg three times daily (n=19), (ii) ranitidine, 300 mg at night (n=20), (iii) bismuth subsalicylate plus ranitidine (n=20). Cumulative ulcer healing rates after f...
Preoperative cimetidine 300 mg or ranitidh~e in 50 and 100 mg doses were administered intramuscularly to 120 patients in a randomized double-blind study. The volume and pH of gastric aspirate samples obtained after tracheal intubation and before extabation were measured. The pH of gastric aspirate was higher Jbllowing ranitidine 100 mg than ranitidine 50 mg or cimetidine 300 mg at both intubati...
To investigate the effect of antacid on the bioavailability and disposition of ranitidine six healthy volunteers were studied on two occasions one week apart. In the first study the received ranitidine 150 mg with 60 ml water, and in the second study they received ranitidine 150 mg plus 30 ml of an aluminium/magnesium hydroxide mixture (Mylanta II) and 30 ml water. Giving antacid reduced both t...
Spondias purpurea is used in folk medicine to treat diarrhea and diuresis. The objective of this study was to evaluate the phytochemical profile and antioxidant and antiulcer activities of the hexane extract of the leaves of S. purpurea (SpHE). Phytochemical profile was evaluated via thin layer chromatography (TLC) and HPLC. SpHE was screened for antioxidant activities using DPPH, ABTS, FRAP, a...
Two hundred patients received either ranitidine 150 mg or 300 mg at night for 18 months to prevent duodenal ulcer relapse. Recurrence rates were lower in patients receiving the higher dose of ranitidine (3.1% v 9.7%, p = 0.78; 6.5% v 16.7%, p = 0.037; and 8.9% v 17.0%, p = 0.121 at six, 12, and 18 months respectively). In patients receiving ranitidine 150 mg, recurrences were significantly more...
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