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GMP News No. 427
18 June 2004
FDA Inspection Findings Regarding Manufacturing Equipment
If one takes a closer look at the 483s and Warning Letters issued by FDA with regard to pharmaceutical manufacturing equipment, one finds among others some documents citing the contamination of the product through the equipment.
Three Warning Letters reference products contaminated by metal particles. This problem was definitely caused by the equipment. The question is how this could have happened.
Manufacturing equipment should be qualified, thus proving its suitability for the intended purpose. Just because time and again deficiencies are found in the equipment, special focus is placed on validation and qualification within the framework of pharmaceutical manufacture. National and international regulations as well as GMP inspectors consider qualified equipment and validated processes to be an important prerequisite for attaining and maintaining pharmaceutical quality.
If one looks at the equipment before and also after qualification, a variety of points can have caused the deficiencies.
Before the equipment is qualified, there is the construction according to the pharmaceutical regulations. Next to the regulations concerning production itself and quality control, the construction has to create the conditions for reproducible operation. In this respect, GMP/FDA-compliant engineering has a pivotal role in the initial stages.
After qualification, two integral parts of quality assurance are regular and preventive maintenance in pharmaceutical production as well as the documentation of changes.
The complaints regarding metal contamination were discussed in detail within FDA Warning Letters and 483s. In this context, the FDA stresses the fact that a systematic analysis/investigation has to be carried out in case of such an 'unexpected contamination.' Moreover, the FDA demands that not only the batch in which the 'unexpected contamination' was found has to be analysed, but also all other batches that could potentially be affected.
If the analysis shows that the contamination with metal particles was caused by faulty engineering, this can at worst result in the closure of the facility.
The following complaints can be found in inspection reports and even in Warning Letters:
Our tip: For your research within FDA Warning Letters, we
recommend you to use our GMP Meta Search. Just click on 'Search' in the
top menu to be shown the corresponding dialogue. There you can enter a
keyword and select 'FDA Warning Letters' as search area. A click on
'Start' will trigger off the full-text search of all Warning Letters
published on the FDA website. This is not even possible on the FDA website
itself since there is no full-text search established.