Effect of Terfenadine on Substance P and Vasoactive Intestinal Polypeptide Concentrations in Nasal Secretions from Patients with Nasal Allergy

Author:

Takeyama Masaharu1,Mori Kazuo1,Morikawa Norifumi1,Asakura Shunji1,Chaen Tokuo2,Watanabe Noritake2,Mogi Goro2

Affiliation:

1. Department of Clinical Pharmacy, Oita Medical University, Hasama-machi, Oita-gun, Oita 879–55, Japan

2. Department of Otolaryngology, Oita Medical University, Hasama-machi, Oita-gun, Oita 879–55, Japan

Abstract

Abstract Before terfenadine treatment, the mean substance P and vasoactive intestinal polypeptide (VIP) concentrations in nasal secretions from nasal allergy patients tended to be higher than the values of healthy subjects. During terfenadine treatment, the mean substance P concentrations in nasal secretions from patients allergic to house dust or pollen were significantly decreased to 62 and 39% of the initial values, respectively. The mean VIP concentrations in nasal secretions from the house dust allergy patients and the pollen allergy patients were significantly decreased to 52 and 18% of the initial values, respectively. Plasma substance P and VIP concentrations were not affected by nasal allergic symptom and terfenadine treatment.

Publisher

Oxford University Press (OUP)

Subject

Pharmaceutical Science,Pharmacology

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