Controlled release
Controlled release
Controlled release is a term in the field of Pharmacology and Drug delivery systems that refers to the systematic and regulated release of active pharmaceutical ingredients (APIs) over a specified period of time. This method is used to maintain a constant concentration of the drug in the body, thereby improving its efficacy and reducing side effects.
Pronunciation
Controlled release: /kənˈtroʊld rɪˈliːs/
Etymology
The term "controlled release" is derived from the English words "control" and "release". "Control" comes from the Latin contrarotulus, a counter roll or register, and "release" comes from the Old French relaisser, to relinquish.
Related Terms
- Extended release: A term used in pharmacology to describe a drug delivery system that releases a drug in such a way that it maintains its therapeutic effect for a longer period of time than immediate release dosage forms.
- Delayed release: A dosage form that releases a discrete portion or portions of drug at a time or times other than promptly after administration.
- Sustained release: A dosage form that releases a drug in such a manner that it maintains its therapeutic effect for a minimum of 12 hours at therapeutically useful levels.
- Immediate release: A dosage form that releases the drug promptly after administration.
- Active pharmaceutical ingredient: The part of any drug that produces the intended effects.
See Also
External links
- Medical encyclopedia article on Controlled release
- Wikipedia's article - Controlled release
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