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Omeprazole was a subject of a patent litigation in the U.S. [66] The invention involved application of two different coatings to a drug in pill form to ensure that the omeprazole did not disintegrate before reaching its intended site of action in stomach. Although the solution by means of two coating was obvious, the patent was found valid ...
Most of these medications are benzimidazole derivatives, related to omeprazole, but imidazopyridine derivatives such as tenatoprazole have also been developed. [77] Potassium-competitive inhibitors such as revaprazan reversibly block the potassium-binding site of the proton pump, acting more quickly, but are not available in most countries.
Ranitidine, previously sold under the brand name Zantac [a] among others, is a medication used to decrease stomach acid production. [12] It was commonly used in treatment of peptic ulcer disease, gastroesophageal reflux disease, and Zollinger–Ellison syndrome. [12] It can be given by mouth, injection into a muscle, or injection into a vein.
(Reuters) -Britain's AstraZeneca said it will pay $425 million to settle lawsuits in the United States that claimed its heartburn drugs Nexium and Prilosec caused chronic kidney disease.
Sanofi discontinued the ranitidine formulation of Zantac, and the new formulation, Zantac 360, is made with a different active ingredient.
Cimetidine was the prototypical histamine H 2 receptor antagonist from which later drugs were developed. Cimetidine was the culmination of a project at Smith, Kline & French (SK&F; now GlaxoSmithKline) by James W. Black, C. Robin Ganellin, and others to develop a histamine receptor antagonist that would suppress stomach acid secretion.