
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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- TR 74: Reprocessing of Biopharmaceuticals (4)
- TR 56: Phase Appropriate cGMP Application (2)
- TR 54: QRM:Manufacturing Operations (1)
- TR 60: Process Validation (1)
- TR 67: Objectionable Microorganisms (1)
- TR 69: Bioburden/Biofilm Management (1)
- TR 70: Cleaning/Disinfection Programs (1)
- TR 15: Validation: TFF in Biopharmaceuticals (1)
- TR 83: Virus Contamination in Biomanufacturing: Risk Mitigation, Preparedness, and Response (1)
- TR 60-3: Process Validation: A Lifecycle Approach: Bio Drug Sub Mfg (1)
- TR 88: Microbial Data Deviation Investigations in the Pharmaceutical Industry (1)
- TR 60-2: Process Validation: A Lifecycle Approach, Annex 1: Oral Solid Dosage/Semisolid Dosage Forms (1)
- TR 42: Validation: Protein Manufacturing (1)
- TR 44: QRM: Aseptic Processes (1)
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Contaminant
Any adventitiously or externally introduced material(s) (e.g., chemical, biochemical, or microbial species) not intended to be part of the process. (TR14) (TR15) (TR70)
An undesired impurity of a chemical or microbiological nature that is introduced into a raw material, intermediate, or API (drug substance) during manufacture. (TR14) (TR15)
Any adventitiously introduced materials (e.g., chemical, biochemical, or microbial species) not intended to be part of the manufacturing process of the drug substance or drug product. (TR69) (TR74)
Any adventitiously introduced material (e.g., chemical, biochemical) or microorganisms including viruses not intended to be included in the manufacturing process of the drug substance or drug product. (TR83)
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Drug Substance (DS)
The active ingredient that is subsequently formulated with excipients to produce the drug product. It can be composed of the desired product, product-related substances, and product- and process-related impurities. It may also contain excipients, including buffers and other components. [Synonyms: bulk drug substance, bulk material, active pharmaceutical ingredient (API)] (TR14) (TR57) (TR74) (TR60)
Active pharmaceutical ingredient in a drug product that is responsible for that product’s therapeutic activity.(TR67) (TR82) (TR88)
See Active Pharmaceutical Ingredient (API). (TR56)
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Impurity
Any component present in the drug substance or drug product that is not the desired product, a product-related substance, or excipient including buffer components. It may be either processor product-related. (TR14) (TR57) (TR74)
Any component present in the drug substance or drug product which is not the desired product, a product-related substance, or excipient. It may be either process- or product-related (17). (TR60)
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Process Validation
The documented evidence that the process, operated within established parameters, can perform effectively and reproducibly to produce an intermediate or API (drug substance) meeting its predetermined specifications and quality attributes. (TR14) (TR42)
Establishing documented evidence which provides a high degree of assurance that a specific process will consistently produce a product meeting its predetermined specifications and quality attributes. (TR44)
The collection and evaluation of data, from the process design stage through commercial production, which establishes scientific evidence that a process is capable of consistently delivering quality products. (TR54) (TR57) (TR74)
The collection and evaluation of data, from the process design stage through commercial production, which establishes scientific evidence that a process is capable of consistently delivering quality product.
The documented evidence that the process, operated within established parameters, can perform effectively and reproducibly to produce a medicinal product meeting its predetermined specifications and quality attributes, as described in EMA, EU GMP, Part 1, Annex 15, drug/medicinal product. (TR56)
EMA: The documented evidence that the process, operated within established parameters, can perform effectively and reproducibly to produce a medicinal product meeting its predetermined specifications and quality attributes.
US FDA: The collection and evaluation of data, from the process design stage through commercial production, which establishes scientific evidence that a process is capable of consistently delivering quality products. (TR60-2)
The documented evidence that the process, operated within established parameters, can perform effectively and reproducibly to produce an intermediate or drug substance meeting its predetermined specifications and quality attributes (1, 17). (TR60-3)