Enzyme Induction studies predict a compound’s likelihood to increase clearance of a concomitant (victim) drug by up-regulating (inducing) enzymes that metabolize it. To learn more about this service, visit our Enzyme Induction contract service page.
Enzyme Induction
Webinars
ADME 101: Model-Based Approaches to DDI Risk Prediction – Navigating the Transition from In Vitro Data to In Silico Modeling
This informative ADME 101 discusses In Vitro to In Vivo Extrapolation (IVIVE) and how a model-based approach following routine perpetrator potential studies (i.e. CYP inhibition, CYP induction, and transporter inhibition) assessing clinical potential may eliminate the need of conducting clinical studies. Listen in as Dr. Limaye outlines a step–wise approach for bringing robustness to the prediction, including...
Webinars
ADME 101: Enzyme Induction Studies
The clearance of a drug can be increased and its effectiveness or safety compromised if it is co-administered with a second drug that induces the enzyme responsible...
Blog
ADME and Drug-Drug Interactions for the Toxicologist
Highlights from the recent webinar presented by our newest expert consultant, Dr. Pallavi Limaye In her recent webinar (now available for...
Webinars
Comparison Between the Final US FDA, Japan PMDA, and EMA In Vitro DDI Guidance Documents: Are We Finally Harmonized?
Presenter: Brian Ogilvie, Ph.D., SEKISUI XenoTech Vice President of Scientific Consulting In January, the FDA published its final guidance for industry on in vitro drug-drug interaction (DDI) studies. Dr. Ogilvie...
Webinars
The Basics of In Vitro Xenobiotic Metabolism and Drug-Drug Interaction Investigations: Applicability to All Xenobiotics
Since SOT’s 59th Annual Meeting and ToxExpo has been canceled due to COVID-19 concerns, we are bringing the tradeshow to you! SOT is hosting this...
Blog
In Vitro Evaluation of Drug-Drug Interaction (DDI) Potential
In its most recent in vitro drug interaction guidance update, the US Food and Drug Administration (FDA) emphasized harmony with the...
Blog
Four ways to optimize preclinical in vitro data to mitigate risk of late-stage clinical failure
1. Collect high-quality data to make informed, confident go/no go decisions for moving your drug candidate forward If you need...
Blog
Timing of In Vitro Studies: Early, Thorough ADME for Your Compound’s Success
Beyond the need for evidence that a drug works, Food and Drug Administration (FDA) and other regulatory bodies around the...
Scientific Posters
The evaluation of induction and inhibition potency of various drugs on CYP3A4 and OATP1B1/1B3
Presented at the 34th JSSX Annual Meeting in Tsukuba, Japan Ryota Takeuchi, Rena Kusano, Tomoko Sasai, Takami Sarashina, Ryo Fujino, Kenta Hashizume Drug Development Solutions...
Blog
What In Vitro Metabolism and DDI Studies Do I Actually Need?
Though there is no ‘roadmap’ spelling out required studies to achieve regulatory approval for clinical entry, a drug candidate’s metabolism...
Blog
Can CYP3A4 Induction Predict P-glycoprotein Induction in DDI Studies?
Generally, a drug’s effects on enzyme and transporter activity are examined independently in a drug development program, but what if...
Blog
In Vitro Induction Studies: Elements of Design and Important Considerations in Data Analysis
Why do induction studies? Induction potential is an important piece of the drug-drug interaction (DDI) component of an IND submission. Simply put, we...
Webinars
In Vitro Induction Studies: Elements of Design and Important Considerations in Data Analysis
Presenter: Joanna Barbara, Ph.D., Vice President of Scientific Operations at SEKISUI XenoTech Synopsis: When evaluating drug-drug interaction (DDI) risk of an investigational drug, a battery of...
Webinars
In Vitro Evaluation of Immunomodulating Drugs as Perpetrators of Drug Interactions
Presenter: Dr. Maciej Czerwinski, SEKISUI XenoTech Director of Consulting Synopsis: On October 15th, 2018, SEKISUI XenoTech presented on “In Vitro Direct and Cytokine-Mediated Effects of Therapeutic Peptides...
Blog
IQ Induction Working Group Publishes Recommendations for Data Interpretation of In Vitro Induction – Focus on CYP3A4 mRNA
SEKISUI XenoTech is proud to have made contributions to the paper entitled, “Considerations from the IQ Induction Working Group in...
Publications
DDI Guidance Recommendations on Down-Regulation, CYP2C Induction and CYP2B6 Control
Considerations from the IQ Induction Working Group in Response to Drug-Drug Interaction Guidances from Regulatory Agencies: Focus on Down-regulation, CYP2C Induction and CYP2B6 Positive Control...
Blog
UGT Activities, Concomitant Drugs, and DDI
If you have concerns about how your compound may affect UDP-glucuronosyltransferase (UGT) induction and/or inhibition when combined with other therapeutic...
Scientific Posters
The Impact of Various Solvents and Solvent Concentrations on In Vitro Enzyme Induction Assessment
The Impact of Various Solvents and Solvent Concentrations on In Vitro Enzyme Induction Assessment in CulturedHuman Hepatocytes Induction of cytochrome P450 (CYP) enzymes is one of...
Scientific Posters
Rapid mRNA Induction Screen
A Rapid High Content Cytochrome P450 (CYP) mRNA Induction Screen for Early Drug Development Cytochrome P450 (CYP) enzymes play an important role in the oxidative...
Scientific Posters
The Impact of Incomplete Dose-Response Curves on EC50 and Emax Determinations in Enzyme Induction
The Impact of Incomplete Dose-Response Curves on EC50 and Emax Determinations in Enzyme Induction Assessment In evaluating the enzyme induction potential of a new drug...
Scientific Posters
Induction of UDP-Glucuronosyltransferases in Cultures of Fresh and Immortalized Human Hepatocytes
Induction of UDP-Glucuronosyltransferases in Primary Cultures of Fresh and ImmortalizedHuman Hepatocytes Abstract We have examined the induction of UDP-glucuronosyltransferases (UGTs) in primary cultures ofHuman hepatocytes...
Scientific Posters
ISSX 2013 – CYP Induction Time Course
Time-course of Cytochrome P450 (CYP450) induction in culturedHuman hepatocytes: Evaluation of activity and mRNA expression profiles for six inducible CYP450 enzymes Enzyme induction potential for...
Scientific Posters
In vitro inhibition and induction of human liver cytochrome P450 enzymes by NTBC and its metabolism in human liver microsomes
In vitro inhibition and induction ofHuman liver cytochrome P450 enzymes by NTBC and its metabolism in human liver microsomes 2-(2-Nitro-4-trifluoromethylbenzoyl)-1, 3-cyclohexanedione (NTBC, also known as...
Scientific Posters
In situ evaluation of CYP1A2, CYP2B6 and CYP3A4/5 induction in cultured human hepatocytes with a cocktail of probe substrates: A comparison of percent positive control values
It has previously been demonstrated that a cocktail of probe substrates can be effectively used to screen simultaneously for induction of CYP1A2, CYP2B6 and CYP3A4/5...
Scientific Posters
Induction of Liver and Intestinal Cytochrome P450 (CYP) Enzymes in Male and Female Cynomolgus Monkey
Abstract The objective of the present study was to determine the effects of various prototypical inducers on the activity and mRNA expression of multiple CYP...
Scientific Posters
Cytochrome P450 3A4 and 1A2 Induction in Immortalized and Primary Cultures of Human Hepatocytes
Cytochrome P450 3A4 and 1A2 Induction in the Immortalized Hepatocyte Line, Fa2N-4, and Comparison with Primary Cultures ofHuman Hepatocytes Abstract Primary cultures ofHuman hepatocytes are...
Scientific Posters
The Use of Immortalized Hepatocytes in Induction Studies
Introduction Primary cultures of human hepatocytes are widely used to evaluate the cytochrome P450 (CYP) enzyme-inducing potential and/or toxicity of drug candidates. However, the availability...
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