Polypharmacy is increasing worldwide, driven by aging populations and combination therapies. This makes DDIs a growing regulatory concern, highlighted in ICH M12 (2024). Enzyme inhibition can raise systemic exposure, while induction may lower therapeutic concentrations or generate harmful metabolites.

Comprehensive in vitro evaluation is essential to anticipate these risks. We assess your compound as both a precipitant (inhibitor or inducer of enzymes or transporters) and an object (substrate of metabolic or transporter pathways). This data informs clinical risk, guides dose adjustments, and supports regulatory approval.

Laboratory setup with multiple test tubes arranged in rows, representing drug-drug interaction studies and enzyme inhibition assays for pharmacokinetic evaluation.
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CYP Reaction Phenotyping
CYP Reaction Phenotyping
About the Assay The CYP450 Reaction Phenotyping (RePh) assay determines which human CYP450 isoforms are…
Technical Notes
CYP Inhibition | Kinact/KI
CYP Inhibition | Kinact/KI
About the Assay The CYP3A4 (Midazolam) kinact/KI assay is designed to quantify the time-dependent inhibition…
Technical Notes
CYP Inhibition | IC50 Shift
CYP Inhibition | IC50 Shift
About the Assay The IC50 Shift assay is designed to identify and characterise time‑dependent inhibition…
Technical Notes
CYP Inhibition
CYP Inhibition
About the Assay The CYP Inhibition assay evaluates reversible inhibition of seven major human CYP450…
Technical Notes
CYP Induction
CYP Induction
About the Assay Sygnature Discovery’s CYP Induction assay provides a robust in vitro platform for…
Technical Notes
Small Molecules, Big Impact: Advancing Obesity Drug Discovery
Small Molecules, Big Impact: Advancing Obesity Drug Discovery
Explore cutting-edge insights into small molecule innovations driving obesity and weight…
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