Steps in validating an instrument

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This combined testing of OQ and PQ phases is sanctioned by the European Commission Enterprise Directorate-General within ‘Annex 15 to the EU Guide to Good Manufacturing Practice guide’ (2001, p.

6) which states that: This requirement has naturally expanded to encompass computer systems used both in the development and production of, and as a part of pharmaceutical products, medical devices, food, blood establishments, tissue establishments, and clinical trials.

It must be based on a Validation Risk Assessment (VRA) to ensure that the scope of validation being authorised is appropriate for the complexity and importance of the equipment or process under validation.

Within the references given in the VP the protocol authors must ensure that all aspects of the process or equipment under qualification; that may affect the efficacy, quality and or records of the product are properly qualified.

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In 2005 an individual wrote a standard by which the transportation process could be validated for cold chain products.

This standard was written for a biological manufacturing company and was then written into the PDA's Technical Report # 39, thus establishing the industry standard for cold chain validation.

This was critical for the industry due to the sensitivity of drug substances, biologics and vaccines to various temperature conditions.

In 1983 the FDA published a guide to the inspection of Computerized Systems in Pharmaceutical Processing, also known as the 'bluebook'.

Recently both the American FDA and the UK Medicines and Healthcare products Regulatory Agency have added sections to the regulations specifically for the use of computer systems.

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