title: Safer heart-attack prevention for seniors with revised drug regimen.  Half the normal dose of prasugrel, a lifesaving medication, is just as effective as the larger dose, and reduces risk of serious side effects.
mesh_terms: D000368:Aged; D001241:Aspirin / Q000008:administration & dosage; D000077144:Clopidogrel; D004359:Drug Therapy, Combination / Q000379:methods; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000517:prevention & control*; D010879:Piperazines / Q000008:administration & dosage* / Q000009:adverse effects; D010975:Platelet Aggregation Inhibitors / Q000008:administration & dosage* / Q000009:adverse effects; D000068799:Prasugrel Hydrochloride; D016032:Randomized Controlled Trials as Topic; D055502:Secondary Prevention; D013876:Thiophenes / Q000008:administration & dosage* / Q000009:adverse effects; D013988:Ticlopidine / Q000008:administration & dosage / Q000009:adverse effects / Q000031:analogs & derivatives*
chemical_list: D010879:Piperazines; D010975:Platelet Aggregation Inhibitors; D013876:Thiophenes; D000077144:Clopidogrel; D000068799:Prasugrel Hydrochloride; D013988:Ticlopidine; D001241:Aspirin