title: Effect of choline magnesium trisalicylate on prostacyclin production by isolated vascular tissue of the rat.
abstract: Choline Magnesium Trisalicylate (Trilisate), in therapeutic concentrations of 5, 10, 15 and 30 mg/100 ml, did not significantly affect production of prostacyclin-like (PGI2) substance by rat aortic tissue in vitro. The ED50 for inhibition of aorta PGI2-like substance production by Trilisate was 1,200 mg/100 ml. This is approximately 40 times the maximum therapeutic blood concentration achieved in humans. Choline or Magnesium salicylate produced slight but insignificant inhibition of PGI2-like substance production by rat aortic tissue in vitro. The ED50 for ibuprofen (Motrin) for inhibition of PGI2-like production of rat aortic rings was 0.65-0.92 mg/100 ml. Injection of Choline Magnesium Trisalicylate into rats (124, 250, 500 mg/kg I.P.) did not affect the normal production of PGI2-like substance of aortic tissue obtained one hour after in vivo treatment. These results suggest this anti-inflammatory salicylate does not adversely affect PGI2-like production by blood vessels, in concentrations associated with therapeutic effects in man.
mesh_terms: D000818:Animals; D000893:Anti-Inflammatory Agents / Q000008:administration & dosage / Q000494:pharmacology*; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000008:administration & dosage / Q000494:pharmacology*; D001013:Aorta, Thoracic; D001808:Blood Vessels / Q000187:drug effects / Q000378:metabolism*; D002794:Choline / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000494:pharmacology; D004338:Drug Combinations / Q000494:pharmacology; D011464:Epoprostenol / Q000096:biosynthesis*; D005260:Female; D007052:Ibuprofen / Q000494:pharmacology; D066298:In Vitro Techniques; D010974:Platelet Aggregation / Q000187:drug effects; D011453:Prostaglandins / Q000096:biosynthesis*; D051381:Rats; D011919:Rats, Inbred Strains; D012459:Salicylates / Q000008:administration & dosage / Q000494:pharmacology*; D020156:Salicylic Acid
chemical_list: D000893:Anti-Inflammatory Agents; D000894:Anti-Inflammatory Agents, Non-Steroidal; D004338:Drug Combinations; D011453:Prostaglandins; D012459:Salicylates; D011464:Epoprostenol; C017959:choline magnesium trisalicylate; C015075:choline salicylate; D002794:Choline; D020156:Salicylic Acid; D007052:Ibuprofen