WHO publishes final Guideline for Hold-Time Studies

After the WHO had released the second draft of the guideline for the design of hold time studies in March already, it now released the final version as part of the Technical Report Series 992. Find out more about the Guideline for Hold Time Studies.

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http://www.gmp-compliance.org/enews_04874_WHO-publishes-final-Guideline-for-Hold-Time-Studies_9288,7407,Z-PEM_n.html

After the World Health Organisation (WHO) had released the second draft of the guideline for the design of hold-time studies in March already, it now released the final version as part of the Technical Report Series 992 (TRS 992, Annex 4).

The GMP regulations require that raw materials, packaging materials, intermediate, bulk and finished products need to be stored under suitable conditions. This also includes the definition of maximum hold-times for intermediate and bulk products prior to their further processing. The definition of these times should be justified on the basis of scientific data. This guideline aims at reflecting aspects that…