Multiple-dose plasma pharmacokinetic and safety study of LY450108 and LY451395 (AMPA receptor potentiators) and their concentration in cerebrospinal fluid in healthy human subjects.

Abstract:

:The objective of this study was to measure the steady-state cerebrospinal fluid (CSF) concentration of LY450108 and LY451395 (positive modulators of AMPA receptors) in healthy subjects after the administration of 1 mg and 5 mg. Secondary objectives included the evaluation of safety, pharmacokinetics, and steady-state ratio of plasma:CSF concentrations of LY450108 and LY451395 after multiple dosing. This study was an open-label, multiple oral dose study evaluating 1 mg and 5 mg LY450108 and 1 mg and 5 mg LY451395 in 12 (3 subjects per dosing group) healthy subjects, aged 18 to 49 years. Twelve healthy male subjects completed the study. LY450108 and LY451395 were quantifiable in CSF after 1-mg and 5-mg multiple-dose administrations with plasma:CSF ratio of 82:1 and 44:1, respectively. LY450108 and LY451395 1 mg and 5 mg were measured in the CSF. Single and multiple oral doses of LY450108 and LY451395 were determined to be safe and well tolerated in healthy subjects.

journal_name

J Clin Pharmacol

authors

Jhee SS,Chappell AS,Zarotsky V,Moran SV,Rosenthal M,Kim E,Chalon S,Toublanc N,Brandt J,Coutant DE,Ereshefsky L

doi

10.1177/0091270006286899

subject

Has Abstract

pub_date

2006-04-01 00:00:00

pages

424-32

issue

4

eissn

0091-2700

issn

1552-4604

pii

46/4/424

journal_volume

46

pub_type

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