Core vs. Full Process Validation: Choosing the Right Path for PCR Assay Confidence
In the world of bioanalytical PCR testing, validation is more than a regulatory checkbox—it’s the foundation of data integrity. Two key approaches—core validation and full process validation—offer distinct pathways to ensure assay performance, each tailored to different stages of development and regulatory needs.
What’s the Difference?
- Core Validation
Core validation focuses on the essential analytical components of the PCR assay. It evaluates the assay’s ability to detect and quantify the target under controlled conditions, ensuring specificity, sensitivity, and precision.
- Full Process Validation
Full process validation goes further. It encompasses the entire workflow—from sample extraction and preparation to data analysis—ensuring every step meets rigorous quality and regulatory standards.
When to Use Core Validation
Core validation is ideal during the development or optimization of a new PCR assay, early-stage research, or exploratory studies. It supports internal decision-making and RUO (Research Use Only) applications, and is useful for evaluating safety or early efficacy when results do not directly impact treatment decisions. The key benefits include faster turnaround, lower resource requirements, and a focus on assay fundamentals like LOD, linearity, and specificity.
When Full Process Validation is Essential
Full process validation is necessary when results will inform clinical or diagnostic decisions, be submitted to regulatory agencies, or must meet CLIA or other regulatory standards. It is also essential when inclusion/exclusion criteria or treatment decisions depend on the results. This approach offers comprehensive quality assurance, end-to-end validation of sample handling, equipment, and operator performance, and full regulatory readiness.
Eurofins Clinical Trial Solutions: Your PCR Validation Partner
At Eurofins Clinical Trial Solutions, we offer both core and full process validation services tailored to your study’s needs and regulatory goals. Our global network of GCLP- and CLIA-compliant labs ensures your PCR assays are validated with precision, speed, and confidence.
We provide:
- Custom validation strategies aligned with your clinical objectives
- Robust documentation to support regulatory submissions
- Integrated bioanalytical services for seamless assay development and execution
- Expert consultation to help you choose the right validation path
Summary: Fit-for-Purpose Validation
Whether you're in early assay development or preparing for regulatory submission, choosing between core and full process validation depends on your intended use. At Eurofins, we help you strike the right balance between speed, cost, and compliance—so you can move forward with clarity and confidence.