PDA Technical Glossary
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PDA Technical Glossary

PDA Technical Reports are highly valued membership benefits because they offer expert guidance and opinions on important scientific and regulatory topics and are used as essential references by industry and regulatory authorities around the world. These reports include terms which explain the material and enhance the reader’s understanding.

The database presented here includes the glossary terms from all current technical reports. The database is searchable by keyword, topic, or by technical report. Each definition provided includes a link to the source technical report within the  PDA Technical Report Portal.

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Technology Transfer TR 61: Steam in Place
Bracketing Approach
A scientific approach for defining product/load characteristics (e.g., viscosity, container sizes, container fill volumes, item sizes, loading configurations) that are tested (in a qualification study or validation study) at upper and/or lower limits. (TR1) (TR61) A validation method that tests the extremes of a process or product. The method assumes the extremes will be representative of all the samples between the extremes. (TR26)
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Critical Control Point
A step at which control can be applied and that is essential to prevent or eliminate a pharmaceutical quality hazard or reduce it to an acceptable level. (TR54-4) (TR61)
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Cycle Development
A series of activities performed for the purpose of defining or confirming the cycle parameters (e.g., time, temperature, pressure) necessary to ensure sanitization or sterilization. (TR61)
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Minimum Acceptable Cycle (MAC)
The minimum cycle conditions (in terms of delivered minimum lethality or minimum time and temperature) that would be considered acceptable. (TR01) (TR61)
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Operating Parameters (Key Parameters)
Values that are controlled and/or measured and are used to assure the ongoing “state of control” and consistency of runs. Failure to meet a key process parameter should result in an investigation with a documented rationale for the disposition of the load. (TR01) (TR3) (TR51) (TR48) Values that are controlled and/or measured and are used to assure the ongoing “state of control” of steam in place cycles. Failure to meet a key process parameter should result in an investigation. (TR61)
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Operational Qualification (OQ)
Documented verification that the equipment or systems, as installed or modified, perform as intended throughout the anticipated operating ranges. (TR14) (TR61) (TR64) (TR72) The documented verification that the facilities, systems and equipment, as installed or modified, perform as intended throughout the anticipated operating ranges. (TR54-5) Documented verification that the equipment or systems, as installed or modified, perform as intended throughout the anticipated operating ranges (17). (TR60-3)
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Performance Qualification (PQ)
Documented verification that the equipment and ancillary systems, as connected together, can perform effectively and reproducibly based on the approved process method and specifications. (TR3) (TR14) (TR45) (TR42) (TR48) (TR61) (TR64) Transport tests of product or representative product that is conducted during actual transportation or distribution. (TR39) Documented evidence that provides a high de­gree of assurance that the equipment and/or system functions accurately and consistently according to predetermined specifications in its operating environment. (TR54-5) Documented verification that the equipment and ancillary systems, as connected together, can perform effectively and reproducibly based on the approved process method and specifications (17). (TR60-3)
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