GMP News - Analytical Quality Control

Since 2022, the series of Warning Letters, but also the activities of the authorities on the subject of testing for ethylene and diethylene glycol, has not stopped. The FDA recently published another Warning Letter.

The United States Pharmacopeia (USP) is developing a new General Chapter dedicated to Process Analytical Technology (PAT), aiming to provide guidance on its definition, attributes, enablers, and practical applications in the pharmaceutical industry. Comments on the proposed outline are due to the USP by 28 April 2024.

At the beginning of April 2024, the draft document "Data Integrity for In Vivo Bioavailability and Bioequivalence Studies" was published on the US FDA website and is now available for comment for 60 days. The document is intended to assist applicants and marketing authorisation holders in the area of data integrity for the clinical and bioanalytical part of bioequivalence and bioavailability studies.

A court in the UK has sentenced a pharmaceutical company and its former director to heavy fines. The defendant had admitted to knowingly submitting falsified stability data to the MHRA in order to obtain a Marketing Authorization for a product. This was preceded by years of investigation by the authority.

The nitrosamine Q&A document "Questions and answers for marketing authorization holders/applicants on the CHMP Opinion for the Article 5(3) of Regulation (EC) No 726/2004 referral on nitrosamine impurities in human medicinal products" of the EMA/CMDh contains three annexes (Appendix 1-3) in its current version of October 2023. In February 2024, Appendix 1 was updated again and fifteen new substances were added.

In February 2024, the EDQM has published its summary of the top ten deficiencies which occurred during the evaluations of the CEPs in 2023. This document called "TOP TEN DEFICIENCIES in New Applications for Certificates of Suitability for chemical purity" should help applicants to avoid such deficiencies in future and lists in detail the findings and its respective sections.