{"id":"aspirin-or-thienopyridine","safety":{"commonSideEffects":[{"rate":"1-5","effect":"Bleeding"},{"rate":"0.5-2","effect":"Gastrointestinal bleeding (aspirin)"},{"rate":"5-15","effect":"Dyspepsia"},{"rate":"<0.1","effect":"Thrombotic thrombocytopenic purpura (thienopyridines)"},{"rate":"<0.1","effect":"Neutropenia (thienopyridines)"}]},"_chembl":{"chemblId":"CHEMBL25","moleculeType":"Small molecule","molecularWeight":"180.16"},"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Aspirin irreversibly inhibits cyclooxygenase (COX), blocking thromboxane A2 production and platelet activation. Thienopyridines (clopidogrel, prasugrel, ticagrelor) are P2Y12 adenosine diphosphate receptor antagonists that prevent platelet aggregation. Together or individually, they reduce thrombotic complications in cardiovascular disease.","oneSentence":"Aspirin and thienopyridines inhibit platelet aggregation through different pathways to prevent blood clots and reduce cardiovascular events.","_ai_confidence":"high"},"_scrapedAt":"2026-03-27T23:42:42.325Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Acute coronary syndrome"},{"name":"Secondary prevention after myocardial infarction"},{"name":"Ischemic stroke prevention"},{"name":"Peripheral arterial disease"},{"name":"Coronary stent thrombosis prevention"}]},"trialDetails":[{"nctId":"NCT06757764","phase":"PHASE4","title":"The Effect and Safety of Combined Anti-platelet Treatment in Acute Ischemic Stroke Due to Large Artery Atherosclerosis","status":"RECRUITING","sponsor":"Asan Medical Center","startDate":"2025-07-10","conditions":"Cerebral Infarction, Stenosis 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