Journal
ANALYTICA CHIMICA ACTA
Volume 559, Issue 1, Pages 37-44Publisher
ELSEVIER
DOI: 10.1016/j.aca.2005.11.049
Keywords
pharmacokinetics; serial bleeding; cassette dosing; LC/MS/MS; high-throughput
Categories
Funding
- NHLBI NIH HHS [R01 HL059699] Funding Source: Medline
- NIEHS NIH HHS [R37 ES002710, P30 ES005705, P30 ES005707, R37 ES002710-25, P42 ES004699, P42 ES004699-199004, P30 ES005707-119017] Funding Source: Medline
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A method for pharmacokinetic studies using cassette dosing associated with serial bleeding in mice is described. PK profiles of four soluble epoxide hydrolase inhibitors were determined following oral, subcutaneous or intraperitoneal administration individually or in cassette dosing. Parent analyses were performed on only 5 mu L of whole blood from serial bleeds (up to 10 per animal), by LC/MS/MS. An accuracy (88-100%) and precision (< 10% RSD) were observed, leading to reliable datum points for PK calculation. PK profiles, T-max, C-max and half-life values after cassette dosing were similar to the individual PK results. This method dramatically increases speed of data collection while dramatically reducing cost and animal usage. The results presented here clearly indicate that this proposed method could be applicable to high-throughput PK studies. (c) 2005 Elsevier B.V. All rights reserved.
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