DDI — Apport de la modélisation | PhinC
DDI

Anticipate, quantify, and explain interaction risk — before the trial.

Modeling & simulation (PK/PD, PBPK, popPK) help you prioritize DDI studies, justify clinical scenarios, and secure recommendations (labeling, dose adjustments, contraindications).

DDI — visuel
Applications

Applications of modeling: which approaches for DDIs

Data-driven analyses to prioritize studies and support clear recommendations.

DDI “perpetrator” (inhibition/induction)

Predict the impact on substrate exposure (AUC, Cmax), frame scenarios, and define the need for clinical studies.

DDI “victim” (candidate sensitivity)

Quantify sensitivity to inhibitors/inducers, identify worst-case scenarios, and pinpoint critical co-medications.

Recommandations & label

Translate results into defensible recommendations: dose adjustments, dosing windows, contraindications.

PBPK & “what-if” scenarios

Explore enzymes/transporters, polymorphisms, organ impairment, multiple perpetrators, and extrapolations.

PopPK / integrated modeling

Leverage clinical data (sparse/dense), covariates, real-world co-medications, and interindividual variability.

Study design & prioritization

Selection of substrates/inhibitors/inducers, doses, dosing windows, washout, and power — for an efficient DDI plan.

PhinC Expertise

A DDI strategy aligned with data, mechanisms, and regulatory expectations

From rapid triage to a full PBPK model — with deliverables ready for clinical and regulatory use.

Mechanistic interpretation

Enzyme/transporter hypotheses, in vitro/in vivo parameters, uncertainties, and a model qualification plan.

Scientific evidence strategy

What level of evidence is needed for each decision: extrapolation, dedicated study, or opportunistic analysis.

Submission-ready deliverables

Reports, appendices, and justification materials to support agency interactions and regulatory dossiers (protocols, SAPs, CSRs).

Case studies
Case study 1

Case study #1

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Case study 2

Case study #2

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Case study 3

Case study #3

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Get in touch

Share your DDI context: mechanism, data, and the decision to be secured

We get back to you with a clear strategy, defined timelines, and tailored deliverables (triage → model → recommendations).