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Antimicrobial Agents and Chemotherapy, August 2000, p. 2173-2175, Vol. 44, No. 8
0066-4804/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Indinavir Population Pharmacokinetics in Plasma
and Cerebrospinal Fluid
Scott L.
Letendre,1,*
Edmund V.
Capparelli,2
Ronald J.
Ellis,1
J. Allen
McCutchan,1 and
The HIV NEUROBEHAVIORAL RESEARCH CENTER GROUP
HIV Neurobehavioral Research
Center1 and Pediatric Pharmacology
Research Unit,2 University of California,
San Diego, California
Received 10 August 1999/Returned for modification 16 December
1999/Accepted 25 April 2000
Plasma and cerebrospinal fluid (CSF) indinavir concentrations were
measured by high-performance liquid chromatography. The median
concentration in plasma exceeded that in CSF 10-fold. The modeled CSF
curve was flat at 155 nM, and the estimated ratio of the areas under
the CSF and plasma concentration-time curves was 6%. We conclude that
CSF indinavir concentrations are lower than levels in plasma but exceed
the clinical 95% inhibitory concentration range.
*
Corresponding author. Mailing address: HIV
Neurobehavioral Research Center, University of California, San Diego,
150 W. Washington St., San Diego, CA 92103. Phone: (619) 543-4730. Fax:
(619) 543-1235. E-mail: sletendre{at}ucsd.edu.
Antimicrobial Agents and Chemotherapy, August 2000, p. 2173-2175, Vol. 44, No. 8
0066-4804/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
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