Pharmacokinetic interaction of acetylsalicylic acid and dipyridamole. 1985

E Nitelius, and A Melander, and E Wåhlin-Boll

It is often recommended that acetylsalicylic acid (ASA) and dipyridamole should be given together in order to obtain secondary prophylaxis against certain ischaemic diseases. Therefore, the possible pharmacokinetic interactions between these agents were assessed following single-dose exposures in 14 healthy volunteers. The plasma concentrations of ASA, salicylic acid (SA) and dipyridamole were measured by selective h.p.l.c. techniques. It was found that, while dipyridamole kinetics were unaffected by concurrent ASA, concurrent dipyridamole significantly enhanced the peak concentration (24%) and AUC (27%) of ASA. Thus, co-administered dipyridamole might influence the anti-platelet effect of ASA.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D004176 Dipyridamole A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752) Antistenocardin,Apo-Dipyridamole,Cerebrovase,Cléridium,Curantil,Curantyl,Dipyramidole,Kurantil,Miosen,Novo-Dipiradol,Persantin,Persantine,Apo Dipyridamole,Novo Dipiradol
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001241 Aspirin The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5) Acetylsalicylic Acid,2-(Acetyloxy)benzoic Acid,Acetysal,Acylpyrin,Aloxiprimum,Colfarit,Dispril,Easprin,Ecotrin,Endosprin,Magnecyl,Micristin,Polopirin,Polopiryna,Solprin,Solupsan,Zorprin,Acid, Acetylsalicylic

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