Effect of valpromide on the pharmacokinetics of carbamazepine-10, 11-epoxide.

Abstract:

:The single oral dose pharmacokinetics of carbamazepine-10, 11-epoxide (CBZ-E) were investigated in six normal volunteers during a control session and during concurrent treatment with valpromide (VPM) (300 mg twice daily for 8 days). VPM caused a prolongation of the CBZ-E half-life from 6.4 +/- 1.4 to 20.5 +/- 6.3 h and decreased CBZ-E clearance from 73.5 +/- 20.0 to 23.5 +/- 4.0 ml h-1 kg-1 (P less than 0.01). These results suggest that the elevation of plasma CBZ-E levels in patients receiving carbamazepine and VPM in combination is due to inhibition of epoxide hydrolase in the liver.

journal_name

Br J Clin Pharmacol

authors

Pisani F,Fazio A,Oteri G,Spina E,Perucca E,Bertilsson L

doi

10.1111/j.1365-2125.1988.tb03354.x

subject

Has Abstract

pub_date

1988-05-01 00:00:00

pages

611-3

issue

5

eissn

0306-5251

issn

1365-2125

journal_volume

25

pub_type

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