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Trust Your Gut: Strategies and Tactics for Intestinally Restricted Drugs
Ruth Dorel1, Alice R Wong1, James J Crawford1
1Genentech, Inc., South San Francisco, California 94080, United States.
Gut-restricted therapeutics offer a safe, non-systemic treatment approach. Medicinal chemists are developing drugs with limited intestinal absorption to increase local gut concentration and minimize body exposure.
Area of Science:
- Pharmacology
- Medicinal Chemistry
- Gastroenterology
Background:
- Non-absorbable small-molecule drugs offer a novel therapeutic strategy.
- Targeting drugs to the gut minimizes systemic exposure and potential side effects.
- Limited passive permeability is key to achieving gut restriction.
Purpose of the Study:
- To review recent advancements in gut-restricted therapeutics.
- To highlight strategies used by medicinal chemists for minimal intestinal absorption.
- To discuss the development of safe, non-systemic orally dosed drugs.
Main Methods:
- Literature review of current research in gut-restricted drug development.
- Analysis of chemical tactics employed to limit drug absorption in the gastrointestinal tract.
- Synthesis of information on drug design for localized gut action.
Main Results:
- Various strategies effectively limit drug absorption within the gastrointestinal tract.
- Medicinal chemistry approaches enhance local drug concentration at the site of action.
- Minimized systemic exposure is achieved through controlled intestinal permeability.
Conclusions:
- Gut-restricted therapeutics represent a promising avenue for targeted, safe treatments.
- Continued innovation in medicinal chemistry is advancing the field of localized gut drug delivery.
- This approach holds potential for improved patient outcomes by reducing systemic side effects.
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