Book Store


Comments

Post a Comment

Popular posts from this blog

Method Validation, Verification, and Transfer: Parameters and Acceptance Criteria in Pharmaceutical Quality Management

 In the pharmaceutical industry, accurate and reliable analytical methods are critical for ensuring product quality and regulatory compliance. This post discusses the essential concepts of method validation, verification, and transfer, along with the required parameters and acceptance criteria. 1. Method Validation Definition : Method validation is a process of establishing that an analytical method is suitable for its intended purpose. This ensures that the method is reliable, reproducible, and accurate, helping to confirm the quality, safety, and efficacy of pharmaceutical products. When to Perform : Method validation is required for new methods, for methods that undergo significant modification, and for regulatory compliance, such as method registration or as part of Good Manufacturing Practice (GMP) requirements. Key Parameters for Validation : Accuracy : Determines the closeness of test results to the true value. Accepted typically within ±2% for AP...
Read more

Understanding Quantitative, Qualitative, and Limit Tests in Pharmaceutical Quality Control

In pharmaceuticals, quantitative, qualitative, and limit tests refer to different approaches for analyzing drugs and their components: 1 . Quantitative Test: This determines the exact amount or concentration of a specific substance in a pharmaceutical product. It provides precise measurements, such as the amount of active pharmaceutical ingredient (API) or impurities present. For example, assays like High-Performance Liquid Chromatography (HPLC) are used to quantify substances. 2. Qualitative Test: This identifies the presence or absence of a particular substance but does not measure its amount. These tests confirm the identity of the compound, ensuring that the correct API is present. Techniques such as Infrared (IR) spectroscopy or Thin Layer Chromatography (TLC) can be used for qualitative analysis. 3. Limit Test: This is a type of semi-quantitative test used to check whether the concentration of a substance (like impurities) in a sample is within prescribed limits. It doesn’t prov...
Read more

USFDA Inspection Types

The FDA and States assisting the FDA under contract or cooperative agreements, in general, perform three types of inspections: surveillance, compliance follow up, and for-cause. Surveillance inspections are conducted to assess a facility’s or farm’s compliance with a regulation or to focus on an emerging trend in food safety. Surveillance inspections fall into two categories, routine and targeted. Routine inspections of facilities and farms are conducted to assess regulatory compliance. The FDA Food Safety Modernization Act mandates an inspection frequency of at least once every three years for domestic high-risk facilities and at least once every five years for non-high-risk facilities. In addition, the Food and Drug Omnibus Reform Act of 2022 mandated annual inspections of infant formula manufacturers in accordance with a risk-based approach. If necessary, inspections can be conducted more frequently. The FDA seeks to achieve comparable coverage of imported foods using an array of re...
Read more