Critical Process (CP)
A process that impacts a critical quality attribute of the intermediate, drug substance or drug product being manufactured and therefore should have established critical process parameters that can be monitored or controlled to ensure that the process produces the desired quality.
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Animal-Derived Raw Materials (Primary)
Contains in the final raw material or uses in the manufacturing process of the final raw material, any raw material derived directly from bovine or other animal tissues, for example, bovine serum, porcine-derived trypsin, and animal-tissue-derived hydrolysates. (TR83)
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Registration Stability Lots
The lots of drug substance manufactured to establish the stability profile in support of the regulatory filing. (TR56)
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Opportunistic Pathogens
Microorganisms responsible for infection in injured, invasively treated or immune-suppressed individuals that typically do not cause infection in healthy individuals, unlike frank pathogens. (TR67)
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Pathogen
Any microorganism which by direct interaction with (i.e., infection of) another organism causes disease in the organism (by convention, a multi-cellular organism). (TR51)
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Intraperitoneal (i.p.)
Term defines when a chemical is administered through the peritoneal cavity (area that contains the abdominal organs). (TR55)
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Excipient
A component of a drug formulation that has no active pharmacologic function. Excipients are commonly used in drug formulations as modulators of pH or osmolality for parenteral administration and as stabilizers for APIs. (TR54-4)
An ingredient added intentionally to the drug substance that should not have pharmacological properties in the quantity used. (TR57)
Inactive pharmaceutical ingredients in a product formulation that are responsible for the product’s manufacturability and physicochemical attributes. (TR67) (TR88)
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Cytopathic Virus
Viruses where infection of cells results in microscopically visible degeneration of the cells or other morphological changes. (TR47)
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Cytopathic Effect (CPe)
Morphological changes induced by viruses in infected cells in invitro culture. They are usually localized around a site of initial infection and vary in appearance based on the virus and the cultured cell. (TR47)
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Biomethylation
The enzyme chlorophenol o-methyltransferase responsible for fungal methylation has been isolated in cell-free extracts. Biomethylation, in this context, may be seen as a detoxification mechanism, although it plays a role in the production of mycotoxins by secondary metabolism. Slightly xerophilic fungi frequently associated halophenol biomethylation include Trichoderma longibrachiatum, Trichoderma virgatum, Aspergillus sydowii, and Penicillium islandicum. (TR55)
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Aggregation
Clumping of proteins, viruses, or bacteria that may arise from several mechanisms and may be classified in numerous ways, including soluble/insoluble, covalent/noncovalent, reversible/irreversible, and native/denatured. (TR47)
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Adverse Event (AE) Report
An AE report is a communication to the U.S. FDA of an undesirable sign or symptom associated with use of a drug as required and detailed by 21 CFR 314.80. These reports are logged into the U.S. FDA’s Adverse Event Reporting System (AERS). Drug manufacturers are required to report adverse event information to FDA. These reports may also may be voluntarily submitted to the FDA directly by healthcare professionals or the general public at Med Watch. The reports are reviewed, safety issues are monitored, and data are periodically analyzed and assessed by the Center for Drug Evaluation and Research (CDER). (TR55)
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