[D-Pro4,D-Trp7,9] Substance P (4-11) 是强效的Substance P拮抗剂。[D-Pro4,D-Trp7,9] Substance P (4-11) 降低血浆醛固酮 (ALDO) 浓度。

[D-Pro4,D-Trp7,9] Substance P (4-11) inhibits the hypotensive effect of Substance P in anesthetized rats, the vasodilator effect in the rabbit perfused heart, relaxation induced by Substance P in dog carotid arteries contracted with noradrenaline, and stimulatory actions of Substance P in the guinea pig ileum and the guinea pig trachea.