Rapid increase in plasma nitrite concentration following intravenous administration of nipradilol

Takeshi Adachi, Shingo Hori, Koji Miyazaki, Eiichi Takahashi, Masahiro Nakagawa, Akira Udagawa, Nariyuki Hayashi, Naoki Aikawa, Satoshi Ogawa

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Nipradilol, a β-adrenoceptor antagonist with vasodilator activity, has a structure which contains a NO2 group. In anesthetized dogs, the time course of the systemic vasodilatation and plasma nitrite (NO-2) concentration was studied following intravenous administration of nipradilol (1 mg/kg). A fall in systemic vascular resistance was observed at 1 min, which was rapidly followed by a significant increase in the plasma NO-2 concentration. It is indicated that nipradilol exerts systemic vasodilatation via nitric oxide (NO) release in vivo.

Original languageEnglish
Pages (from-to)201-204
Number of pages4
JournalEuropean journal of pharmacology
Volume286
Issue number2
DOIs
Publication statusPublished - 1995 Nov 14
Externally publishedYes

Keywords

  • Nipradilol
  • Nitric oxide (NO)
  • Nitrite
  • cGMP

ASJC Scopus subject areas

  • Pharmacology

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