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Validation of Microbiological Methods - What do I need to bear in Mind?

When using microbiological methods in quality control or quality assurance, the question of method validation usually comes up, along with whether and to what extent this is required. A number of guidelines and technical documents provide guidance.

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CCS - CCS in Practice: Is your Cleanroom Cleaning really under Control?

A Contamination Control Strategy (CCS) in a company covers many areas. Some aspects, such as the classical topics from Annex 1, are quickly recognized as part of a CCS. However, other areas are also affected that do not immediately stand out when one looks only at the chapter headings of Annex 1. One such topic that we would like to briefly touch on today is the outsourcing of activities related to cleaning and disinfection.

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Microbiological Contamination Control of Non-Sterile Medicinal Products – EMA Q&A

Contamination control measures also play an important role in the case of non-sterile medicines. A new Q&A from the EMA answers questions on this topic.

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Endotoxin Test – Updated FDA Q&A document published

With the publication of a revised Q&A guide, the FDA is responding to the recommendations on endotoxin testing set out in USP chapters <85> and <161> and in the AAMI guidelines for medical devices.

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Significant Deficiencies in Microbiological and Analytical Quality Control

A warning letter from the FDA highlights the importance of microbiological and analytical testing of medicinal products. For example, it criticises inadequate testing of culture media with GPT and a lack of BCC testing.

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Warning Letter: Microbiological OOS and Inadequate Microbiological Method Validation

In December, the FDA published a Warning Letter to a manufacturer of OTC products, in which it identified deficiencies in both the handling of microbiological deviations and the validation of alternative rapid microbiological methods. The testing and analysis of raw materials used for contamination was also inadequate.

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Become a Speaker at PharmaLab 2026 - Analytic, Bioanalytic, Microbiology

PharmaLab 2026 - become a speaker at the leading congress on analytics, bioanalytics and microbiology. Meet over 500 colleagues as part of the speaker team in Darmstadt (near Frankfurt Airport). We also welcome poster requests.

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ECA extends Special PharmaCongress Offer 3 for 1

Due to high demand, the ECA has extended its special offer of sending two additional participants free of charge for each registered participant and a two-year membership for all congress participants and PharmaTechnica visitors until 31 January. After that, the 2-for-1 offer will apply until the congress.

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Pharmaceutical Microbiology Working Group Update Q4/2025

Find out what the ECA Pharmaceutical Microbiology Group was working on and accomplished in the last four months of 2025 - in the latest report.

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MAT Survey by the British NC3Rs

The British National Centre for the Replacement, Refinement & Reduction of Animals in Research (NC3Rs), with the support of other European authorities, the FDA and industry representatives, has published a survey on MAT in pyrogen testing and is calling for participation.

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