The Rapid Micro Blog

Our blog will keep you informed of new and noteworthy technologies, reviews of recent publications and presentations, upcoming conferences and training events, and what's changing in the rapid and alternative microbiological methods world.

Latest RMM papers from European Pharmaceutical Review

The current issue of European Pharmaceutical Review contains two new papers focused on rapid methods. I have published the second of six articles on RMM technologies, and the team at Novartis have provided an overview of using RMMs for microbiological quality control. Below please find introductory excerpts from both papers; however, you will need to subscribe to EPR (either online or in print) to access the entire text.

Oliver Gordon, Jennifer C. Gray, Hans-Joachim Anders, Alexandra Staerk & Oliver Schlaefli, Novartis Pharma Stein AG and Gunther Neuhaus, University of Freiburg.

The risk for patients through spoiled or otherwise adulterated pharmaceuticals has been acknowledged for many centuries and led to the establishment of Good Manufacturing Practice (GMP) and pharmacopoeial guidelines. Besides chemical purity, pharmaceuticals also have to meet microbiological standards, the latter primarily depending on the administration route. Drug products which are injected directly into blood vessels or tissues or that are applied directly into eyes and ears represent a greater infection risk than products which are administered orally or onto intact healthy skin. While parenteral drug products are required to be free from any viable microorganism (USP <71>, Ph. Eur. 2.6.1), oral and topical products are not required to be sterile, but are subject to strict guidelines limiting the number and types of acceptable microorganisms (USP <61> and <62>, Ph. Eur. 2.6.12 and 2.6.13).

Article 2: Direct detection of microorganisms using viability-based technologies.
Michael J. Miller, President, Microbiology Consultants, LLC

This is the second in a series of articles on rapid microbiological methods that will appear in European Pharmaceutical Review during 2011. In my last article, I provided an overview of growth-based rapid microbiological methods (RMMs). This was a good place to start my review of RMM technologies, as most of us continue to use conventional agar and liquid medium for the growth of micro – organisms. In the current article, I will significantly depart from growing microorganisms to the direct detection of microorganisms using viability-based technologies, which will include flow cytometry and solid phase cytometry.

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