While perusing the current USP <11>, USP Reference Standards, which became effective on December 1, 2025, it was noted that the USP Reference Standard description was amended to state “highly characterized physical materials or digital data demonstrated to have the appropriate qualities to support their intended use as references for comparison in compendial tests.” The General Chapter […]
As discussed in a recent Lachman blog Revised Q1 Draft Stability Document Issued by FDA, the draft guidance titled Q1 Stability Testing of Drug Substances is a consolidated revision of ICH Q1A(R2), Q1B, Q1C, Q1D, Q1E, and Q5C. This draft guidance provides guidance on product categories, such as advanced therapy medicinal products, vaccines, and other […]
Over 30 years ago, one of my responsibilities was overseeing the company’s Reference Standard Program for marketed products. In-house standards were maintained and provided to company locations throughout the world, which also included providing enough fully characterized/qualified drug substances or impurities to the USP to be considered as a potential future USP Reference Standard lot. […]
Water is a critical component used in the manufacture of pharmaceutical products, and it must meet specific quality standards in order to demonstrate that the water intended to be used for manufacture is suitable for its intended purposes. USP <1231> on Water for Pharmaceutical Purposes provides an overview of the different water types used in manufacturing, […]
On May 1, 2024, the first version of USP General Chapter <1079.4> on Temperature Mapping for the Qualification of Storage Areas became official, and it is the fourth part of USP General Chapter <1079> on Risks and Mitigation Strategies for the Storage and Transportation of Finished Drug Products, which also includes: USP General Chapter <1079.1> on Storage and Transportation […]
On March 7, 2024, the FDA adopted ICH Guideline Q14 Analytical Procedure Development, which became official on November 1, 2023. This guidance complements updated ICH Guideline Q2(R2) Validation of Analytical Procedures, which also became official on November 1, 2023 and was adopted by the FDA on March 6, 2024. The Q14 guidance (here) combines a science- and risk-based approach […]
Have you ever found an Empower 3 chromatogram with no plot and the message “Incomplete Data”? You might have assumed that there was a system glitch, resulting in no data being acquired for the injection. However, data may have been acquired and can only be viewed if you have the appropriate permission(s). A search of the […]
