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Pharmacokinetics is a vital branch of pharmacology that examines how drugs are absorbed, distributed, metabolized, and excreted by the body. Two key methodologies in pharmacokinetics are plasma drug concentration studies and urinary drug excretion analyses, both of which provide critical insights into a drug's therapeutic efficacy and bioavailability.Plasma Drug Concentration-Time StudiesPlasma drug concentration-time studies involve analyzing blood samples at specific intervals to quantify...

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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

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Using the PhenX Toolkit to Add Standard Measures to a Study.

Tabitha Hendershot¹, Huaqin Pan, Jonathan Haines

¹RTI International, Research Triangle Park, North Carolina, USA.

Current Protocols in Human Genetics

|October 7, 2011

Summary

The PhenX Toolkit provides standardized measures for phenotypes and exposures, aiding scientific research. It offers protocols and data dictionaries to ensure data comparability across studies.

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Area of Science:

Biomedical research
Genetics
Epidemiology

Background:

The PhenX (consensus measures for Phenotypes and eXposures) Toolkit offers standardized measures for phenotypes and exposures.
It contains 295 measures across 21 research domains, selected by expert consensus.

Purpose of the Study:

To provide researchers with high-quality, well-established measures for data collection.
To enhance data comparability and facilitate the discovery of comparable studies.

Main Methods:

Measures selected by domain expert Working Groups through a consensus process.
Toolkit includes measure descriptions, rationales, collection protocols, and supporting documentation.
Smart Query Tool for searching measures, domains, and collections.

Main Results:

A curated collection of 295 phenotype and exposure measures.
Customizable Data Collection Worksheets and Data Dictionaries available for download.
PhenX measures and variables are being mapped to studies in the database of Genotypes and Phenotypes (dbGaP).

Conclusions:

The PhenX Toolkit promotes data standardization and comparability in scientific research.
Facilitates efficient data collection and analysis for researchers.
Aids in identifying and integrating data from diverse studies, including those in dbGaP.