128345-62-0CNC(=C[N+](=O)[O-])NCCSCc1ccc(CN(C)C)o1.O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].[Bi+3]XAUTYMZTJWXZHZ-UHFFFAOYSA-KRanitidine Bismuth Citrate is a member of the class of histamine H2-receptor antagonists with antacid activity. Ranitidine is a competitive and reversible inhibitor of the action of histamine, released by enterochromaffin-like (ECL) cells, at the histamine H2-receptors on parietal cells in the stomach, thereby inhibiting the normal and meal-stimulated secretion of stomach acid. In addition, other substances that promote acid secretion have a reduced effect on parietal cells when the H2 receptors are blocked.
FDA approved drugs -> Active ingredient
FDA approved drugs -> Active ingredient
A - Alimentary tract and metabolism
QA - Alimentary tract and metabolism
Various agents with different action mechanisms used to treat or ameliorate PEPTIC ULCER or irritation of the gastrointestinal tract. This has included ANTIBIOTICS to treat HELICOBACTER INFECTIONS; HISTAMINE H2 ANTAGONISTS to reduce GASTRIC ACID secretion; and ANTACIDS for symptomatic relief.
Drugs that selectively bind to but do not activate histamine H2 receptors, thereby blocking the actions of histamine. Their clinically most important action is the inhibition of acid secretion in the treatment of gastrointestinal ulcers. Smooth muscle may also be affected. Some drugs in this class have strong effects in the central nervous system, but these actions are not well understood.
개요Ranitidine bismuth citrate, a novel salt formed from ranitidine and a bismuth citrate complex, is a new agent introduced in the United Kingdom for the treatment of duodenal and benign gastric ulcers, for eradication of Helicobacfer pylori, and for prevention of relapse of duodenal ulcer when administered in combination with an antibiotic such as clarithromycin or amoxicillin. Ranitidine is a potent histamine H2-receptor antagonist with ability to inhibit gastric acid secretion. Other type of agents such as tripotassium dicitrato bismuthate exert their therapeutic effects in peptic ulceration by providing a protective coating to the ulcer crater, stimulating endogenous prostaglandin production, and inhibiting pepsin activity. More significantly, they inhibit micro-organism Helicobacfer pylori, a prevalent, specifically human pathogen associated with gastritis and gastric ulcers. The title compound possesses a novel combination of properties of the above two types of drugs and displays excellent therapeutic efficacy in clinical studies. Ranitidine bismuth citrate is being investigated for use in gastritis and non-ulcerating dyspepsia, acute healing of gastrointestinal ulcer and in prevention of the recurrence of peptic ulcer disease.
용도Antagonist (to histamine H2receptors).
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128345-62-0DTXSID801027716CHEMBL2111286