Pharmaceutical Microbiology Manual
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ORA.007 Pharmaceutical Microbiology Manual
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- Revised: 25 Aug 2020 Title: Pharmaceutical Microbiology Manual
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OOD AND D RUG A DMINISTRATION O FFICE OF R EGULATORY A FFAIRS Office of Regulatory Science Document Number: ORA.007 Revision #: 02 Revised: 25 Aug 2020 Title: Pharmaceutical Microbiology Manual Page 72 of 92 For the most current and official copy, check QMiS. B. Microbiological Issues for Inspection of Pharmaceutical Manufacturing Facilities The following topics should be reviewed and evaluated by a microbiologist although some aspects will also be covered by the Consumer Safety Officer during the inspection. 1. Product sterilization or bioburden reduction stage and validation- aseptic/filtration, steam, ETO, radiation, and other chemical processes 2. Depyrogenation- dry heat ovens for glass containers, wash/rinse for stoppers, adequacy of validation using spiked endotoxin, recovery studies before depryrogenation, filtration and column applications 3. Environmental monitoring- Types of equipment, calibration, operation and maintenance; surface, air, personnel and water; critical work areas for aseptically filled products (ISO 5, isolators, etc.); surface contact, surface sanitizer neutralizing media (e.g., TSA w/ Lecithin & Polysorbate 80), observe sampling technique, sample must represent dynamic/operational conditions, and trending/CAPA. 4. Process simulation (media fills) studies - growth promotion testing to include when is it performed and which microorganisms are included, who is responsible for reading turbidity, volume adequacy in the product containers and accountability of product containers during and after incubation periods. 5. Disinfection and sanitization- agents used (sporicidal?), preparation problems (over dilution); applicator (i.e., mop, spray. aerosol), time of exposure, areas of contact, supervision; residues, UV lights, water systems, filling equipment, work surfaces, process columns, verification and validation 6. Room design and Equipment- accessibility for disinfection and cleaning; aseptic filling critical area; HEPA filter certification and maintenance, air flow patterns/smoke studies, change evaluation/re- certification (rearranging cleanroom, adding equipment, HVAC, etc.), test during dynamic/operational conditions with maximum number of personnel in place, personnel and equipment flow, room differential pressure and temperature; adequacy of primary and secondary barriers 7. Water purification and delivery system: vulnerability of distillation process, RO, deionizers, cartridge filters, etc.; UV lights, dead legs, biofilm; corrosion (heat exchangers); waterborne microorganisms |
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