September 24th 2025
The FDA draft guidance "Considerations for Complying with 21 CFR 211.110" raises points to consider regarding drug products made using advanced manufacturing, batch uniformity, drug product integrity, and how manufacturers can incorporate process models into control strategies.
September 2nd 2025
Specification Equivalence: A Practical Approach to Method and Acceptance Criteria Equivalence
August 27th 2025The authors propose a streamlined, efficient approach to determining specification equivalence that starts with a paper-based assessment of the methods and progresses to a data assessment for the methods under evaluation.
Drug Shortages and Complying with FDA’s 21 CFR 211.110 Guidance
April 2nd 2025Susan J. Schniepp, distinguished fellow at Regulatory Compliance Associates, and Rona LeBlanc-Rivera, PhD, principal consultant, Regulatory Affairs at Regulatory Compliance Associates, answer some questions about FDA’s January 2025 21 CFR 211.110 guidance document.
Specification Equivalence—A Practical Approach
December 30th 2024In this first of a four-part series, the authors provide an introduction to a practical approach for establishing specification equivalence. The regulatory basis and compliance examples from FDA observations and warning letters are included to support the need for an effective process.
The Role of Dry (Water-free) Process Equipment Cleaning in Continuous Pharmaceutical Manufacturing
August 11th 2024The growing use of continuous manufacturing in the pharmaceutical industry merits a review of the application of dry cleaning and sanitization methods, especially for non-sterile oral solid drug product manufacturing of dry powders.