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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Compounding
A process in which a bulk drug substance is combined with one or more excipients and/or another bulk drug substance to produce a drug product. (TR22) A process wherein bulk drug substance is combined with one or more excipients and/or another bulk drug substance to produce a drug product. (TR62) The preparation, mixing, assembling, altering, packaging, and labeling of a drug, drug-delivery device, or device in accordance with a licensed practitioner’s prescription, medication order, or initiative based on the practitioner/patient/pharmacist/compounder relationship in the course of professional practice. Compounding includes the following: • Preparation of drug dosage forms for both human and animal patients • Preparation of drugs or devices in anticipation of prescription drug orders based on routine, regularly observed prescribing patterns • Reconstitution or manipulation of commercial products that may require the addition of one or more ingredients • Preparation of drugs or devices for the purposes of, or as an incident to, research (clinical or academic), teaching, or chemical analysis • Preparation of drugs and devices for prescriber’s office use where permitted by federal and state law. (TR63)
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Extemporaneous Preparation (EP)
A type of compounding whereby a drug or combination of drugs and/or excipients is prepared under the supervision of a pharmacist to create a customized medication dosage form in accordance with a clinical protocol. (TR63)
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Investigator
A clinician scientist taking part in a clinical trial having direct and immediate clinical responsibility for the subject or patient and their treatment with the clinical trial material. (TR63)
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Key Attributes
A subset of the characteristics of the drug which are determined to be most important to quality. (TR63)
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Shelf Life (also referred to as expiration dating period)
The time period during which a drug product is expected to remain within the approved shelf life specification, provided that it is stored under the conditions defined on the container label. (TR63)