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The disposition of amodiaquine in man after oral administration.

Abstract：

:A method is described for the simultaneous determination of amodiaquine (AQ) and desethylamodiaquine (AQm) in plasma, urine, whole blood and packed red cells. After oral administration of AQ (600 mg) to seven healthy subjects, absorption of AQ was rapid, reaching peak concentrations in plasma, whole blood, and packed cells at 0.5 +/- 0.03, 0.5 +/- 0.1 and 0.5 +/- 0.1 h respectively (mean +/- s.e. mean). The apparent terminal half-life of AQ was 5.2 +/- 1.7 h. AQ was detectable for no longer than 8 h. AQ underwent rapid conversion to AQm, which reached peak concentrations in plasma, whole blood and packed cells at 3.4 +/- 0.8, 2.3 +/- 0.5 and 3.6 +/- 1.1 h respectively. AQm was still detectable at the end of the sampling period (96 h) when the plasma concentration was 29 +/- 8 ng ml-1. The area under the plasma concentration vs time curve (AUC(0, infinity] for AQ was 154 +/- 38 ng ml-1 h; the corresponding value for AQm was 8037 +/- 1383 ng ml-1 h. There were no significant differences in the values for AUC of AQ between plasma, whole blood, or packed cells. The whole blood to plasma concentration ratio for AQm was 3.1 +/- 0.2, and the AUC (0.24) for AQm in whole blood (6811 +/- 752 ng ml-1 h) was significantly greater than that in plasma (2304 +/- 371 ng ml-1 h), P less than 0.001. The recovery of AQm from urine collected 0-24 h was 6.8 +/- 0.8 mg (n = 6).(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

Br J Clin Pharmacol

journal_title

British journal of clinical pharmacology

authors

Winstanley P,Edwards G,Orme M,Breckenridge A

doi

10.1111/j.1365-2125.1987.tb03002.x

subject

Has Abstract

pub_date

1987-01-01 00:00:00

pages

1-7

issue

1

eissn

0306-5251

issn

1365-2125

journal_volume

23

pub_type

杂志文章

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