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Antiinflamatory agents less dangerous for gastrointestinal tract
M Rodríguez-Téllez1, F Argüelles, J M Herrerías
1Division of Digestive Diseases, Virgen Macarena University Hospital, C/ Dr. Fedriani, 3.41071, Sevilla. (SPAIN).
Current Pharmaceutical Design
|July 27, 2001
Summary
Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used but carry significant gastrointestinal (GI) risks. Research is ongoing to develop safer NSAID alternatives due to their potential for serious GI lesions.
Area of Science:
- Pharmacology
- Gastroenterology
- Drug Development
Background:
- Nonsteroidal anti-inflammatory drugs (NSAIDs) are globally prevalent, with 1.5% of the world's population using them.
- NSAID use is associated with significant gastrointestinal (GI) toxicity, manifesting as lesions, perforations, and hemorrhages, often without prior symptoms.
- Risk factors for NSAID-induced GI lesions include advanced age, concurrent use of corticosteroids or other NSAIDs, history of duodenal ulcer, alcohol consumption, smoking, and oral anticoagulant use.
Purpose of the Study:
- To highlight the risks associated with NSAID use, particularly gastrointestinal toxicity.
- To underscore the need for developing safer NSAID alternatives.
- To review current research directions for novel NSAID derivatives.
Main Methods:
- Literature review of NSAID toxicity and risk factors.
- Analysis of the mechanisms underlying NSAID-induced GI damage.
- Overview of emerging NSAID derivative research.
Main Results:
- NSAID-induced GI lesions are common, with 50% being asymptomatic and leading to severe complications like perforations (71% associated with NSAIDs) and upper gastric hemorrhages (50% associated with NSAIDs).
- GI toxicity is mediated by direct drug effects and prostaglandin synthesis inhibition.
- Several novel NSAID derivatives are under investigation, including prodrugs, buffered formulations, selective COX-2 inhibitors, and NO-donors.
Conclusions:
- NSAID-induced gastrointestinal toxicity remains a major clinical concern, necessitating the development of safer therapeutic options.
- Understanding the physiopathology of inflammation and gastric function is crucial for designing improved NSAID derivatives.
- Ongoing research focuses on various novel NSAID formulations and mechanisms to mitigate GI risks while maintaining efficacy.