PHARMACOKINETICS OF FENOTEROL IN PREGNANT AND NONPREGNANT WOMEN

被引:12
|
作者
HILDEBRANDT, R
WEITZEL, H
WARNKE, K
GUNDERTREMY, U
机构
[1] FREE UNIV BERLIN,KLINIKUM STEGLITZ,DEPT OBSTET & GYNAECOL,W-1000 BERLIN 45,GERMANY
[2] BUNDESGESUNDHEITSAMT,INST ARZNEIMITTEL,W-1000 BERLIN 33,GERMANY
关键词
FENOTEROL; PREGNANCY; PHARMACOKINETICS; PREMATURE LABOR;
D O I
10.1007/BF00315396
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The pharmacokinetics of the beta2-adrenergic drug fenoterol, which is used as a tocolytic agent in pregnancy, has been investigated in pregnant (n = 9) and nonpregnant (n = 5) women during a constant rate intravenous infusion. Clearance and mean residence time were found to be 1990 (1879/2220; Median, Q25/Q75) ml/min and 9.2 (8.0/14.0) min in the pregnant and 2126 (1915/2130) ml/min and 16.6 (16.5/32.1) min in the nonpregnant women, respectively. In addition, fenoterol clearance was estimated in 88 women from a single blood sample collected at steady state during IV therapy and the effect of gestational age on clearance was studied. Clearance displayed large interindividual variation. There was no apparent correlation between clearance and gestational age. We conclude that there is no need to adjust the dose on pharmacokinetic grounds in the course of pregnancy.
引用
收藏
页码:275 / 277
页数:3
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