Analytical Quality Control News

The EMA has recently published an update to its question and answer catalog for biological medicinal products. Among other things, it also addresses the question of when endotoxin masking effects must be taken into account for biological products.

The U.S. Food and Drug Administration (FDA) has issued a Warning Letter to an American contract testing laboratory, emphasizing that it considers contractors as extensions of the manufacturer’s own facility. The authority identified critical deficiencies, including the failure to validate microbiological testing methods in accordance with USP standards and inadequate investigation of temperature and humidity deviations in laboratory equipment.

The U.S. Food and Drug Administration (FDA) has issued a Warning Letter highlighting significant deviations from Current Good Manufacturing Practice (CGMP) for Active Pharmaceutical Ingredients (APIs). A facility in China was found to have multiple compliance deficiencies based on a review of records submitted in response to an FDA request.

The U.S. Food and Drug Administration (FDA) has issued a Warning Letter following an inspection conducted in September 2025. The contract testing laboratory in question analyzed active pharmaceutical ingredients (APIs) and intermediates for compliance with regulatory standards for the U.S. market.