Podcast
Questions and Answers
What is the primary goal of controlled-release products?
What is the primary goal of controlled-release products?
What is the most common route of administration for modified-release products?
What is the most common route of administration for modified-release products?
What is a characteristic of non-oral rate-controlled drug delivery systems?
What is a characteristic of non-oral rate-controlled drug delivery systems?
Which of the following non-oral controlled-release delivery systems has the longest duration of drug release?
Which of the following non-oral controlled-release delivery systems has the longest duration of drug release?
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Which of the following is an example of a non-oral controlled-release delivery system?
Which of the following is an example of a non-oral controlled-release delivery system?
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Study Notes
Controlled-Release Products
- Designed to release medication in a controlled manner, at a predetermined rate, duration, and location to achieve and maintain optimum therapeutic blood levels of a drug.
- The majority of modified-release products are orally administered, including tablets and capsules.
Non-Oral Controlled-Release Delivery Systems
- Include ocular, parenteral, subdermal, vaginal, and transdermal products.
- Release patterns vary in duration, including: • 24 hours for most transdermal patches • 3 months for the estradiol vaginal ring insert (Estring, Pharmacia & Upjohn) • 5 years for levonorgestrel subdermal implants (Norplant System, Wyeth-Ayerst)
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Description
Test your knowledge on controlled-release and modified-release products, including their design, administration, and delivery systems. Identify the different types of products and their routes of administration, and understand the importance of achieving optimal therapeutic blood levels.
