It involves providing documented evidence that a method reliably meets the requirements for its intended purpose. It is a collaborative effort involving professionals from various disciplines. Validation ensures accurate, precise, and robust analytical processes are in place.
๐๐ฒ๐ฉ๐๐ฌ ๐จ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐๐ฅ ๐๐๐ญ๐ก๐จ๐๐ฌ ๐ญ๐จ ๐๐๐ฅ๐ข๐๐๐ญ๐:
- Identification Tests โ to confirm the identity of substances
- Quantitative Tests for Impurities โ to measure impurity levels accurately.
- Quantitative Tests for Active Ingredients โ to measure drug concentrations in samples.
- Quantitative Test of physical property โ to measure particle size and morphology
๐๐ญ๐๐ฉ๐ฌ ๐ข๐ง ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐๐ฅ ๐๐๐ญ๐ก๐จ๐ ๐๐๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง
- ๐๐๐๐ข๐ง๐ ๐ญ๐ก๐ ๐๐ฎ๐ซ๐ฉ๐จ๐ฌ๐: Establish the intended use of the analytical method (e.g., assay, impurity test, dissolution, content uniformity).
- ๐๐ซ๐๐ฉ๐๐ซ๐ ๐๐๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐ซ๐จ๐ญ๐จ๐๐จ๐ฅ: Document the scope, acceptance criteria, and procedure in validation protocol.
- ๐๐จ๐ง๐๐ฎ๐๐ญ ๐๐๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐ฑ๐ฉ๐๐ซ๐ข๐ฆ๐๐ง๐ญ๐ฌ: Perform experiments for each method validation parameter
- ๐๐ง๐๐ฅ๐ฒ๐ณ๐ ๐๐๐ญ๐: Compare results against acceptance criteria for each parameter.
- ๐๐ซ๐๐ฉ๐๐ซ๐ ๐๐๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐ฉ๐จ๐ซ๐ญ: Document all results, deviations, and conclusions in validation report.
- ๐๐ฉ๐ฉ๐ซ๐จ๐ฏ๐๐ฅ: QA/Regulatory teams review and approve the validation report.
๐ ๐๐๐ญ๐จ๐ซ๐ฌ ๐๐๐๐๐๐ญ๐ข๐ง๐ ๐ญ๐ก๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐๐ฅ ๐ซ๐๐ฌ๐ฎ๐ฅ๐ญ๐ฌ ๐ข๐ง ๐ฉ๐ก๐๐ซ๐ฆ๐๐๐๐ฎ๐ญ๐ข๐๐๐ฅ ๐๐ง๐๐ฅ๐ฒ๐ฌ๐ข๐ฌ
Following factors may affect the analytical results
- Type of column used
- pH value of sample
- Composition of mobile phase
- Sample flow rate
- Column oven temperature
- Composition of buffer
๐๐ก๐ฒ ๐ข๐ฌ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐๐ฅ ๐๐๐ญ๐ก๐จ๐ ๐๐๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐ช๐ฎ๐ข๐ซ๐๐?
Validation is required to obtain accurate and precise results of the pharmaceutical products. There are many benefits of analytical method validation but some of them are listed below.
- Regulatory requirement
- An increased efficiency
- Data accuracy
- Better customer satisfaction
๐๐จ๐๐ฎ๐ฆ๐๐ง๐ญ๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐๐ฉ๐จ๐ซ๐ญ๐ข๐ง๐
Comprehensive documentation is essential for analytical method validation. This includes:
- Validation protocols and reports
- Incident reports and justifications for any deviations from protocols.
Analytical method validation is more than a regulatory requirement โ it is a foundational element of pharmaceutical quality. By applying strong validation principles early and maintaining them throughout development, companies can reduce risk, improve efficiency, and support successful product commercialization.
