Understanding IVRT & IVPT: Ensuring Safe and EffectiveTopical Formulations

Introduction

Topical and transdermal drug products are designed to deliver therapeutic agents directly to or through the skin. Ensuring their effectiveness and safety requires accurate testing methods that simulate drug release and absorption. In-Vitro Release Testing (IVRT) and In-Vitro Permeation Testing (IVPT) are essential analytical tools for evaluating the performance and bioavailability of these formulations.

Accuprec Research Labs offers GLP-compliant IVRT and IVPT studies that provide critical insights into formulation quality, consistency, and regulatory compliance.

Why IVRT & IVPT Matter

• Assess drug release rates from topical formulations
• Predict in-vivo bioavailability and product performance
• Support formulation optimization and stability studies
• Provide comparative data for generic product equivalence

Accuprec’s Capabilities

Our laboratory performs IVRT and IVPT studies using industry-standard equipment and validated methods. Key capabilities include:

• Franz Diffusion Cells – For controlled and reproducible drug release measurement
• Synthetic and biological membranes – Simulating skin permeability
• Validated HPLC/UPLC methods for drug quantification
• Temperature and humidity-controlled testing environment
• Data analysis and reporting in accordance with OECD GLP standards

Regulatory Framework

Our IVRT and IVPT studies adhere to the guidelines of:

• FDA and EMA for topical and transdermal drug products
• OECD GLP standards
• ICH Q2(R2) for analytical method validation

Meet Us at CPHI Frankfurt 2025

Discover how Accuprec’s IVRT and IVPT testing expertise ensures reliable data for safe, effective, and compliant topical formulations. Meet our team at Stall D96 | Hall 6.1 at Messe Frankfurt, Germany.