alexa Discovery stage pharmacokinetics using dried blood spots.
Biomedical Sciences

Biomedical Sciences

Journal of Bioanalysis & Biomedicine

Author(s): Beaudette P, Bateman KP

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Abstract Early in the discovery stage, the measurement of drug candidates in biological fluids as a function time provides important information used in decision making for lead optimization. The detection methodology primarily used is liquid chromatography coupled to triple quadrupole mass spectrometry (LC-MS). Sample preparation is an important aspect of these experiments and robotic-based automation is commonly used. The often overlooked aspect of these experiments is the sample collection itself. Typically, several hundred microliters of whole blood is collected and the plasma fraction separated for each time-point. The plasma is then transferred to an appropriate vessel for subsequent aliquoting and processing. We describe a method for performing discovery stage pharmacokinetic analysis using whole blood dried onto filter paper. The use of dried blood spots is a well established technique for neo-natal screening, and its application to early screening of drug candidates proves to be robust, reliable and reproducible. This article was published in J Chromatogr B Analyt Technol Biomed Life Sci and referenced in Journal of Bioanalysis & Biomedicine

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