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FK 224 is a tachykinin receptor antagonist.

FK224 is a tachykinin receptor antagonist. FK224 reduces the tracheal plasma extravasation induced by substance P (SP) and neurokinin A (NKA)[1].

[1] Morimoto H, et al. Effects of FR 113680 and FK 224, novel tachykinin receptor antagonists, on cigarette smoke-induced rat tracheal plasma extravasation. Eur J Pharmacol. 1992 Nov 24;224(1):1-5. DOI:10.1016/0014-2999(92)94810-i