SKF 100398 (d(CH2)5Tyr(Et)VAVP), an arginine vasopressin (AVP) analogue, is a specific antagonist of the antidiuretic effect of exogenous and endogenous AVP.
SKF 100398 is a specific antagonist of the hydrosmotic effect of exogenous and endogenous AVP[1].
SKF 100398 (8 μg/kg; i.v.) abolishes the antidiuretic effect of AVP[1].
References:
[1]. S Ishikawa, et al. Further in vivo evidence for antagonist-to-antidiuretic action of arginine vasopressin. Am J Physiol. 1983 Nov;245(5 Pt 1):R713-9.
















