Meseclazone (W2395;NSC297623) exhibits inhibitory potency of secondary phase ADP aggregation. Meseclazone possesses anti-inflammatory, analgesic and antipyretic activity.
Meseclazone inhibits collagen-induced aggregation 1 and 4 hr after oral administration[1]. Intravenous administration of Meseclazone and other nonsteroidal anti-inflammatory drugs caused a dose-dependent inhibition of bronchoconstriction resulting in the following order of descending potency: isoproterenol congruent to indomethacin greater than fenoprofen greater than tolmetin greater than aspirin greater than naproxen congruent to ibuprofen greater than phenylbutazone greater than diflunisal greater than Meseclazone greater than 5-CSA[2].
[1]. Diamantis W, et al. Meseclazone, 5-chlorosalicylic acid and acetylsalicylic acid. Comparison of their effects on in vitro and ex vivo platelet aggregation. Thromb Haemost. 1978 Aug 31;40(1):24-36. [2]. Diamantis W, et al. Antagonism by meseclazone and other nonsteroidal anti-inflammatory drugs of bradykinin-induced bronchospasm. Pharmacology. 1982;24(4):243-7.