{"id":"aspirin-tablets","safety":{"commonSideEffects":[{"rate":"1-3","effect":"Gastrointestinal bleeding or ulceration"},{"rate":"5-10","effect":"Dyspepsia"},{"rate":"2-5","effect":"Nausea"},{"rate":"1-2","effect":"Hemorrhage (minor)"},{"rate":"0.5-1","effect":"Allergic reactions (including bronchospasm in aspirin-sensitive patients)"}]},"_chembl":{"chemblId":"CHEMBL25","moleculeType":"Small molecule","molecularWeight":"180.16"},"_dailymed":{"setId":"41386de5-5857-efab-e063-6294a90afd9c","title":"ASPIRIN 81MG (ASPIRIN ENTERIC COATED TABLETS 81MG) TABLET, DELAYED RELEASE [VITANE PHARMACEUTICALS, INC]"},"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Aspirin acetylates serine residues on COX-1 and COX-2 enzymes, permanently blocking their catalytic activity. This reduces synthesis of prostaglandins (which mediate inflammation and pain) and thromboxane A2 (which promotes platelet aggregation). The antiplatelet effect is particularly durable because aspirin irreversibly modifies platelet COX-1, and platelets cannot synthesize new enzyme.","oneSentence":"Aspirin irreversibly inhibits cyclooxygenase (COX) enzymes, reducing the production of prostaglandins and thromboxane to provide anti-inflammatory, analgesic, and antiplatelet effects.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T03:21:28.580Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Acute myocardial infarction (secondary prevention)"},{"name":"Ischemic stroke and transient ischemic attack (secondary prevention)"},{"name":"Stable and unstable angina"},{"name":"Mild to moderate pain"},{"name":"Fever"},{"name":"Rheumatoid arthritis and other inflammatory conditions"}]},"trialDetails":[{"nctId":"NCT05009862","phase":"PHASE4","title":"The Impact of Factor Xa Inhibition on Thrombosis, Platelet Activation, and Endothelial Function in Peripheral Artery 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