January 23rd 2025
The agency’s newly issued letter to Sanofi amends one sent in December 2024, and stems from inspections at its Massachusetts drug manufacturing facility in June and July 2024.
Biopharmaceutical Facility Cleaning Validation Using the Total Organic Carbon Test
Case studies show TOC is effective for cleaning validation.
PDA's Practical Guidance for Development and Qualification of Analytical Methods
April 1st 2010A critical GMP requirement for drug manufacturers is to validate analytical test methods to ensure that they are suitable for their intended uses. There are published guidelines available that the industry can follow for validation but there are none for qualification, which is a key step in the validation process.
The Challenge of Defining the Higher Order Structure of Biopharmaceutical Products
March 5th 2010Characterizing the higher order structure (HOS) of protein drugs increases manufacturers' understanding of stability and batch-to-batch variability, and may make it possible to link variants or aggregates to safety and efficacy. Yet at the January 24 CMC Strategy Forum in Washington, DC, regulators expressed concern that methods to characterize the three-dimensional structure of proteins are not routinely applied to biotechnology products.