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Virtual Bioequivalence (VBE) & PBPK/PBBM Modeling

Model-Informed Drug Development

Introduction

Model-Informed Drug Development

PharmaPrimes provides Model-Informed Drug Development services integrating Physiologically Based Pharmacokinetic (PBPK) and Physiologically Based Biopharmaceutics Modeling (PBBM) with Virtual Bioequivalence simulations using GastroPlus®.

These approaches integrate in-vitro data, API physicochemical properties, formulation characteristics, physiological parameters, and available clinical pharmacokinetic data to support pharmaceutical development and bioequivalence strategy.

Applications

How Modeling Supports Your Program

Modeling is applied where it is scientifically relevant to the development question.

  • Formulation Optimization
  • Development Risk Assessment
  • Design and Optimization of BE Studies
  • Mechanistic Support for BCS-Based Biowaiver Strategies where applicable
  • Evaluation of Formulation Changes
  • Evaluation of Manufacturing Changes
  • Scientific Regulatory Justification
  • Investigation of OOS/OOT Findings where modeling is scientifically relevant
  • Root-Cause Analysis and CAPA Support
  • Troubleshooting Bioequivalence Failures
  • Lifecycle Management
VBE Workflow

From Data to Decision

01

Data Collection

Potential inputs:

  • API physicochemical properties
  • pKa
  • logP
  • pH-solubility profile
  • Particle Size Distribution
  • In-vitro dissolution profiles
  • Formulation composition
  • Available clinical PK data
02

PBPK/PBBM Model Development

Integration of drug, formulation, dissolution, and physiological information into a mechanistic model.

03

Model Verification

Comparison of simulated PK profiles with appropriate observed clinical data where available.

04

Virtual Trial Simulation

Simulation of virtual populations and prediction of plasma concentration-time profiles.

05

Bioequivalence Evaluation

Statistical assessment of relevant PK parameters, particularly Cmax and AUC.

Deliverables

What You Receive

  • PBPK/PBBM Model Development
  • Model Documentation
  • Virtual Population Simulations
  • Predicted PK Profiles
  • Bioequivalence Statistical Analysis
  • Scientific Interpretation
  • Modeling Reports
Software

GastroPlus®

Modeling and simulation are performed using GastroPlus®.

Related Services

Explore Related Capabilities

Bioequivalence & Bioavailability

Integrated clinical and bioanalytical support for BE/BA studies and pharmacokinetic evaluation.

Pharmaceutical R&D

Formulation development, process development and optimization, analytical method development and validation, stability studies, regulatory documentation support, and pharmaceutical dossier assessment.

Regulatory Support

Scientific and regulatory support including pharmaceutical dossier assessment, CTD documentation support, scientific justification, and regulatory submission support.

Discuss a Modeling Strategy

Tell us about your formulation, available data, and development question, and our modeling team will outline a suitable PBPK/PBBM or VBE approach.