Analytical Method Validation (AMV) is a critical regulatory requirement in pharmaceutical analysis to ensure that analytical methods are accurate, reliable, and reproducible. It plays a key role in drug development, quality control, and regulatory submissions.
What is Analytical Method Validation?
AMV is the process of demonstrating that an analytical method is suitable for its intended purpose. It ensures that the method consistently produces valid and precise results under defined conditions.
Regulatory Guidelin
AMV is governed by:
- ICH Q2 (R1/R2) – Validation of Analytical Procedures
- USP <1225> – Validation of Compendial Methods
- FDA Guidelines – Method validation expectations
Key Validation Parameters
1. Accuracy
- Measures closeness of results to true value
- Typically evaluated using recovery studies
2. Precision
- Repeatability (intra-day)
- Intermediate precision (inter-day, analyst, instrument)
3. Specificity
- Ability to measure analyte in presence of impurities
4. Linearity
- Relationship between concentration and response
5. LOD & LOQ
- LOD: Minimum detectable level
- LOQ: Minimum quantifiable level
6. Robustness
- Method reliability under slight variations
