

Drug Drug Interactions (DDI)
How to Choose the Right Test Systems for Your DMPK Studies
- Test Systems & Methods
- September 12, 2019
- Dr. Chris Bohl, Madison Esely-Kohlman
Test systems for DMPK in vitro studies are part of the very foundation of our company. Our labs were borne of...
Transporters of Emerging Importance in Drug Development: Beyond the Guidance Documents
- Regulatory Guidance
- June 25, 2019
- Madison Esely-Kohlman, Dr. Brian Ogilvie
Dr. Ogilvie’s presentation discusses critical literature and case studies which have been published following the FDA’s 2017 guidance revision, and covered...
In Vitro Induction Studies: Elements of Design and Important Considerations in Data Analysis
- Enzyme Induction
- May 13, 2019
- Madison Esely-Kohlman, Dr. Joanna Barbara, Rebecca Campbell
Why do induction studies? Induction potential is an important piece of the drug-drug interaction (DDI) component of an IND submission. Simply put, we...
Minding Your Binding: Plasma Protein Binding Potential Study Now Available at Our US Labs
- Test Systems & Methods
- April 15, 2019
- Madison Esely-Kohlman, Andrea Wolff, Dr. Joanna Barbara
While liver and intestine are important in ADME, behavior in blood is also crucial. When an orally administered drug or...
Important Considerations for the Conduct of In Vitro Drug Transporter Assays
- Drug Transporters
- January 11, 2019
- Greg Loewen, Andrea Wolff, Michael Millhollen
Not only can drug transporters affect the absorption and excretion of drugs, they can be involved in pharmacokinetic-based drug-drug interactions...
To GLP or not to GLP?
- Regulatory Guidance
- October 5, 2018
- Scott Hickman, Dr. Brian Ogilvie, Tim Patterson
That is the question. . . Knowing the answer may save you time and money Good Laboratory Practices (GLP) are...
In Vitro DDI Regulatory Guidance Reference Poster
- Regulatory Guidance
- May 29, 2018
- Michael Millhollen
At the 2018 Marbach Castle Drug-Drug Interaction Workshop in Germany, Dr. Brian Ogilvie, Vice President of Scientific Consulting, presented a comparison...
Further Research on the Drug-Drug Interaction Between Gemfibrozil and Repaglinide Presented
- Drug Drug Interactions (DDI)
- September 27, 2017
- Michael Millhollen
The clinically-relevant drug-drug interaction (DDI) between the dyslipidemia drug gemfibrozil and the antidiabetic repaglinide is well-documented throughout the literature. In...
Considerations In Response to Drug-Drug Interaction Guidances
- Regulatory Guidance
- August 17, 2017
- Michael Millhollen
Check out the recent IQ consortium publication: Considerations from the IQ Induction Working Group in Response to Drug-Drug Interaction Guidances from...
XenoTech Scientists Publish Paper, Present Research Evaluating Ketoconazole and its Alternative Clinical CYP3A4-5 Inhibitors as Inhibitors of Drug Transporters
- Enzyme Inhibition
- April 25, 2016
- Michael Millhollen
XenoTech scientists published a paper in Drug Metabolism and Disposition evaluating Ketoconazole and its alternative clinical CYP3A4-5 inhibitors as inhibitors of drug...
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