Inhibition of microbial growth in solid dosages at ICH stability storage conditions
By Linda Skowronsky
Published in: European Pharmaceutical Review
Published on: August 31, 2011
Several intrinsic and extrinsic factors influence microbial growth. Two important factors include the presence of available moisture and a supportive temperature. The conditions described in ICH Topic Q1A (R2)1 do not allow the organisms of interest in pharmaceutical solids to grow, due to either an unfavourable temperature or humidity. For this reason, testing either microbial limits or measuring water activity as part of the stability program is considered of little value in determining microbial stability.
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