Pharmacokinetics of LithiumElimination Half-Time, Renal Clearance and Apparent Volume of Distribution in Schizophrenia
作者:
R. W. Mason,
E. G. McQueen,
P. J. Keary,
N. Mcl. James,
期刊:
Clinical Pharmacokinetics
(ADIS Available online 1978)
卷期:
Volume 3,
issue 3
页码: 241-246
ISSN:0312-5963
年代: 1978
出版商: ADIS
数据来源: ADIS
摘要:
The elimination half-time and renal clearance of lithium was measured in 12 schizophrenic patients. Minimum plasma lithium concentrations during alternate dosage intervals in 5 patients increased rapidly during the first 2 to 3 days of treatment and reached a steady state level after 5 to 6 days. After the establishment of the remaining 7 patients on lithium the decline in plasma lithium concentration when treatment was stopped was monoexponential. Elimination half-times ranged from 19.3 to 41.3 hours (mean ± SD = 28.9 ± 7.9h) and were significantly correlated with renal creatinine clearance (p < 0.01). Renal lithium clearances ranged from 13.5 to 36.8ml/min (mean ± SD = 24.4 ± 8.0ml/min) and the apparent volumes of distribution ranged from 0.39 to 1.39L/kg (mean ± SD = 0.79 ± 0.34L/kg). There was no evidence that the elimination parameters of lithium in schizophrenic patients were significantly different from those in healthy individuals or manic-depressive patients.
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