نتایج جستجو برای: ranitidine hcl

تعداد نتایج: 17890  

Journal: :Pharmacological reports : PR 2008
Esmaeal Tamaddonfard Hamid Soraya Nasrin Hamzeh-Gooshchi

In this study, the effects of intraperitoneal (ip) injection of physostigmine, subcutaneous (sc) injection of atropine, and intracerebroventricular (icv) injections of histamine, chlorpheniramine (H(1)-receptor antagonist), and ranitidine (H(2)-receptor antagonist) in separate and combined treatments were investigated during yawning in rats. Physostigmine at a dose of 0.25 mg/kg produced the hi...

Journal: :Gut 1993
C J Hawkey R G Long K D Bardhan K G Wormsley K M Cochran J Christian I K Moules

The purpose of this study was to compare duodenal ulcer healing, symptom relief, and safety of lansoprazole (a new proton pump inhibitor) given at doses of 30 mg and 60 mg, in the morning with ranitidine 300 mg at bedtime. Two hundred and eighty nine patients were enrolled over a 20 month period in a double blind randomised parallel group comparative study set in outpatient endoscopy units of s...

2005
Wilson Roberto Malfará Ana Maria de Souza Regina Helena Costa Queiroz W. R. Malfará A. M. Souza R. H. C. Queiroz

Drug idiosyncrasy is an adverse event of unknown etiology that occurs in a small fraction of people taking a drug. The histamine2 (H2)-receptor antagonist ranitidine causes idiosyncratic reactions in patients. To investigate the hypothesis that ranitidine could induce hematological toxic effects, the drug was administered intraperitoneally (ip) to two of six groups of 200-220 g male Wistar rats...

Journal: :Gut 1983
S J Konturek N Kwiecień W Obtułowicz M Polański B Kopp J Oleksy

This study was designed to compare the effect of oral administration of PGE2 (0.5 mg/kg) and ranitidine in larger (100 mg/dose) or smaller (10 mg/dose) doses on aspirin-induced gastric microbleeding and DNA loss determined chemically in gastric washings in eight healthy subjects. Aspirin (0.5 g) given four times daily greatly increased the rate of gastric bleeding and DNA loss and pretreatment ...

Journal: :Postgraduate medical journal 1980
G F Nelis J G Van de Meene

Cimetidine has been shown to stimulate prolactin secretion after a intravenous administration. Cimetidine 200 mg and ranitidine 50 mg was given i.v. in a randomly allocated order to 22 volunteers on consecutive days; these doses can be regarded as equivalent as far as inhibition of gastric acid output is concerned. Plasma prolactin was estimated at regular intervals. The prolactin stimulating e...

Journal: :Gut 1981
R P Walt I F Trotman R Frost P L Golding T H Shepherd J Rawlings R H Hunt D Colin-Jones G J Milton-Thompson J J Misiewicz

One hundred and three outpatients with endoscopically diagnosed duodenal ulcer were randomly allocated to treatment with either cimetidine 200 mg tds and 400 mg nocte, or ranitidine 150 mg bd for four weeks. The endoscopists were not aware of the treatment and took no part in the clinical management. On completion of treatment ulcers had healed in 43 of 51 (84%) patients given cimetidine and in...

Journal: :Gut 1983
E M Alstead F P Ryan C D Holdsworth M G Ashton M Moore

Prophylactic maintenance therapy for one year using ranitidine 150 mg at night or a placebo was assessed in 68 patients whose gastric or duodenal ulcers had previously healed after therapy with ranitidine 150 mg twice daily or placebo. Gastroscopy was carried out on symptomatic relapse and at the end of the year. Of the duodenal ulcer group, seven out of 20 relapsed on ranitidine compared with ...

2015
Narinder Kumar Sharma

Histamine H2 receptor antagonist are used in the clinical treatment of peptic ulcer. In vitro metaphase analysis and micronucleus assay were used to test the effect of Famotidine & Ranitidine on 60 Cobalt gamma-ray induced clastogenic effects. Heparinised whole blood was obtained from 6 healthy volunteers and was gamma irradiated with 3Gy. Lymphocyte cultures were initiated and aqueous solution...

Journal: :Archives of disease in childhood 1993
M Fontana E Massironi A Rossi P Vaglia G P Gancia P Tagliabue N Principi

Few data are available for ranitidine pharmacokinetics in the first few days of life. Twenty seven newborn infants were treated with intravenous ranitidine because they were vomiting blood, although they had a negative Apt's test. Each infant provided two blood samples at randomly selected times 30-360 minutes after a 2.4 mg/kg intravenous bolus of ranitidine. A single exponential equation for ...

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