نتایج جستجو برای: cimetidine
تعداد نتایج: 1796 فیلتر نتایج به سال:
The effect of varying doses of cimetidine and omeprazole, on acute gastric mucosal lesions produced by topical aspirin (200 mg/kg; 1 ml/100 g) in 0.175 M HCl or topical sodium taurocholate (40 mM; 1 ml/100 g) in 0.175 M HCl was studied in the pylorus ligated rat. Preliminary studies revealed dose dependent inhibition of acid secretion with both cimetidine and omeprazole. Intraperitoneal cimetid...
The most common problem about conventional dosage form is dysphagia (difficulty in swallowing). So, we design a new approach which oral dispersible tablet. Oral tablet also called as mouth dissolving tablet, fast or disintegrating has advantage it quickly disintegrates into saliva when put on the tongue. faster drug dissolved, absorption and quicker therapeutic effect of will be attained. objec...
In human proximal tubules, organic cations are taken up from blood into cells by human organic cation transporter 2 [hOCT2/solute carrier (SLC) 22A2] and then eliminated into the lumen by apical H(+)/organic cation antiporters, human multidrug and toxin extrusion 1 (hMATE1/SLC47A1) and hMATE2-K (SLC47A2). To evaluate drug interactions of cationic drugs in the secretion process, epithelial cells...
The role of histamine H1 and H2 receptors in the lung is not clear. H1 receptor blockade results in bronchodilatation and inhibition of histamine induced bronchoconstriction. H2 receptor blockade in vitro prevents the normal negative feedback of histamine on further mediator release in antigen challenge. Bronchospasm in guinea pigs given antigen challenge is enhanced by previous administration ...
The effect of cimetidine, a new histamine H2-receptor antagonist, on gastric acid secretion stimulated by a homogenised meal was studied in six normal volunteers using an in vivo intragastric titration technique. The subjects were studied twice, no more than 48 h apart, receiving either cimetidine 200 mg or placebo in random order. Cimetidine administered either 32 men before (three subjects) o...
The immunorestorative effect of Cimetidine in vitro on the T cell-induced local GVH reaction in vivo was studied in 43 cancer patients and 43 normal healthy donors. Both low dose (10(-5) M) and high dose (10(-4) M) Cimetidine induced significant, albeit partial, immune restoration among GVHR-negative cancer patients (p less than 0.05, p less than 0.01, respectively) with the high dose being sig...
We investigated the effects of cimetidine and famotidine on the acid secretory response to electrical vagal stimulation, bethanechol and histamine in the isolated mouse whole stomach preparation. The acid secretion elicited by electrical vagal stimulation at the position of the esophagus (10 Hz, 0.3 msec, 10 V for 5 min) was reproducible by repeated stimulation in each preparation, and it was a...
The effect of a standard regimen of cimetidine on the gastric flora of 20 male volunteers was studied in a double-blind manner and compared with the effects of a standard antacid regimen. Postprandial microbial titers in gastric aspirates were significantly higher at 4, 8, and 16 weeks of therapy in subjects taking antacids and at 4 weeks in subjects taking cimetidine when compared with their p...
Introduction Cimetidine is a recently introduced but widely used histamine H2-antagonist. It is known to produce significant increases in plasma creatinine in normal people but the increased values usually remain in the normal range (Burland and Simkins, 1977). In clinical trials a tendency for plasma creatinine to rise, particularly in patients treated with high doses of cimetidine, was found ...
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