Central action of cinnarizine and flunarizine: a saccadic eye movement study.

Abstract:

:The mechanism of action of flunarizine (FZ) and cinnarizine (CZ) on the CNS is not fully understood. Computer analysis of saccadic eye movements (SEM) provides a sensitive and objective method for evaluating drug effect on the function of specific brain structures. This study aimed to assess the effect of a single oral dose of FZ (20 mg) and CZ (150 mg) on CNS function by means of computer analysis of SEM. Ten healthy volunteers were studied according to a double-blind, cross-over, placebo-controlled design. Peak saccadic velocity (PSV), which is related to the function of a specific group of burst neurons located in the brain stem, was significantly reduced by FZ. No significant effect of FZ on saccade accuracy (SA) and saccade latency (SL) was found. CZ did not produce significant effects on SEM, but a trend to decrease PSV. The possibility that a FZ central effect may be related to a stabilizing action on burst activity of neurons is discussed.

journal_name

Clin Neuropharmacol

authors

Casucci G,Di Costanzo A,Riva R,Albani F,Bonavita V,Tedeschi G

doi

10.1097/00002826-199410000-00003

subject

Has Abstract

pub_date

1994-10-01 00:00:00

pages

417-22

issue

5

eissn

0362-5664

issn

1537-162X

journal_volume

17

pub_type

临床试验,杂志文章,随机对照试验
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    journal_title:Clinical neuropharmacology

    pub_type: 临床试验,杂志文章,随机对照试验

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