IVRT & IVPT Studies
for Topical &
Transdermal Drug Products
Reliable In-Vitro Release & Permeation Testing for Regulatory Compliance and Product Performance.
Advanced IVRT and IVPT studies using Franz Diffusion Cell systems for creams, gels, ointments, lotions, transdermal patches, and semi-solid formulations. Designed to support FDA, EMA, SUPAC-SS, and global regulatory submissions.
Trusted IVRT & IVPT CRO in India
Accuprec Research Labs Pvt. Ltd. is a globally reputed Contract Research Organization (CRO) providing GLP-compliant IVRT and IVPT testing services for pharmaceutical and topical product manufacturers worldwide. Accuprec supports formulation development, product optimization, bioequivalence evaluation, and regulatory submissions using advanced analytical platforms and validated diffusion testing methodologies.
Our IVRT & IVPT laboratories are equipped with:
- Advanced Franz Diffusion Cell Systems
- Temperature-controlled testing environments
- HPLC / UPLC / LC-MS analytical platforms
- Synthetic and biological membrane models
- Dedicated dermal testing infrastructure
What are IVRT & IVPT Studies?
In-Vitro Release Testing (IVRT)
IVRT evaluates the rate and extent of drug release from topical and semi-solid dosage forms using diffusion systems such as Franz diffusion cells.
IVRT Studies are Critical for:
- Product development
- SUPAC-SS changes
- Batch consistency evaluation
- Formulation optimization
- Generic product equivalence studies
In-Vitro Permeation Testing (IVPT)
IVPT evaluates drug permeation through biological or synthetic membranes to estimate dermal absorption and delivery performance.
IVPT Helps Assess:
- Skin penetration behavior
- Drug absorption kinetics
- Flux and permeation rate
- Bioavailability prediction
- Product equivalence
Why IVRT & IVPT Matter
Regulatory agencies increasingly require IVRT and IVPT data to demonstrate:
- Bioequivalence
- Product sameness
- Batch-to-batch consistency
- Manufacturing comparability
- Therapeutic performance
These studies are widely used for:
- Topical generics
- Transdermal systems
- Dermatological formulations
- Semisolid dosage forms
- Modified release topical products
Our Testing Capabilities
IVRT Studies
Drug release evaluation using Franz diffusion cells and validated membrane systems.
IVPT Studies
Permeation testing using:
- Human cadaver skin
- Animal skin models
- Synthetic membranes
Method Development & Validation
Customized analytical methods developed according to:
- FDA Guidance
- EMA Guidance
- OECD GLP
- ICH Q2(R2)
Membrane & Receptor Media Optimization
Selection and validation of suitable:
- Membrane systems
- Receptor phases
- Sampling conditions
- Sink conditions
Comparative Performance Studies
Evaluation of Test vs Reference Listed Drug (RLD) formulations for bioequivalence assessment.
Dosage Forms We Support
We provide IVRT & IVPT testing for:
- Creams
- Ointments
- Gels
- Lotions
- Topical aerosols
- Transdermal patches
- Liposomes & ethosomes
- Nanoparticle formulations
- Suspensions
- Microencapsulation systems
Advanced Analytical Technologies
Franz Diffusion Cell Systems
Controlled diffusion testing with accurate temperature and stirring control.
HPLC / UPLC Analysis
Quantitative analysis of released and permeated drug substances.
LC-MS/MS Support
Highly sensitive analytical quantification for low-dose and complex formulations.
Environmental Control Systems
Validated temperature and humidity-controlled laboratory conditions for reproducible testing.
Regulatory Compliance
Accuprec designs IVRT & IVPT studies aligned with:
Guidelines & Standards
USFDA SUPAC-SS GuidanceScale-up and post-approval changes for semi-solid dosage forms
EMA GuidelinesEuropean regulatory alignment for topical and transdermal products
OECD GLP StandardsGood Laboratory Practice compliant study execution
ICH Q2(R2)Analytical method validation guidance
Topical Generic Drug Product RecommendationsFDA product-specific guidance for generics
Our Studies Support
- ANDA submissions
- Product development
- Post-approval changes
- Quality assurance programs
- Regulatory audits
Scientific Precision. Regulatory Confidence.
Globally Accredited CRO
- ISO/IEC 17025:2017
- OECD-GLP
- USFDA
- EMA
- NABL
- CDSCO
Advanced Infrastructure
- State-of-the-art Franz Diffusion Systems
- Advanced analytical instrumentation
- Dedicated topical formulation testing laboratory
Experienced Scientific Team
Specialized expertise in dermal drug delivery, topical bioequivalence, diffusion studies, and analytical method validation.
Regulatory-Ready Documentation
Comprehensive reports suitable for FDA submissions, EMA dossiers, and global regulatory filings.
End-to-End IVRT & IVPT Study Process
Product & Formulation Assessment
Evaluation of formulation characteristics and regulatory objectives.
Study Design
Optimization of membrane selection, receptor media, sampling intervals, and analytical endpoints.
Method Development & Validation
Development of validated analytical procedures for quantification.
Diffusion Testing
Controlled IVRT or IVPT execution using validated Franz diffusion systems.
Statistical Evaluation & Reporting
Comprehensive analysis with regulator-ready documentation.
Requirement Understanding
We define a clear testing strategy aligned to your formulation and regulatory objectives.
Method Development & Planning
Optimized diffusion and analytical methods aligned with FDA, EMA, and OECD GLP standards.
Testing & Analysis
Franz diffusion cell studies with HPLC/UPLC or LC-MS/MS quantification.
Reporting & Compliance Support
Audit-ready reports supporting ANDA submissions and post-approval change documentation.
Industries We Support
Pharmaceutical companies
Generic drug manufacturers
CDMOs
Dermatology product developers
Transdermal drug delivery companies
Cosmetic and cosmeceutical manufacturers
