New dogmas or old?

B J R Whittle1

  • 1William Harvey Research Institute, Barts and The London, Queen Mary's School of Medicine, Charterhouse Square, London EC1M 6BQ, UK. b.j.whittle@qmul.ac.uk

Gut
|August 13, 2003
PubMed

Insights

Recent studies challenge the gastrointestinal safety of non-steroidal anti-inflammatory drugs (NSAIDs). This raises questions about the effectiveness of COX-2 selective inhibitors and the underlying COX theory.

Area of Science:

  • Gastroenterology and Pharmacology
  • Inflammation and Pain Management

Background:

  • Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used for pain and inflammation.
  • The development of COX-2 selective inhibitors was based on the theory that inhibiting cyclooxygenase-2 (COX-2) would reduce gastrointestinal side effects.
  • Recent experimental data may challenge this foundational concept.

Discussion:

  • Emerging research suggests potential gastrointestinal risks associated with NSAIDs, contrary to initial expectations for COX-2 inhibitors.
  • The clinical implications of these findings question the long-term validity and application of the COX theory in drug development.
  • A re-evaluation of the gastrointestinal safety profile of anti-inflammatory agents is warranted.

Key Insights:

  • Experimental findings may necessitate a revision of the understanding of NSAID-induced gastrointestinal issues.
  • The efficacy and safety assumptions for COX-2 selective inhibitors are under scrutiny.
  • The fundamental COX theory guiding anti-inflammatory drug development faces new challenges.

Outlook:

  • Further research is crucial to elucidate the precise mechanisms behind these observed gastrointestinal effects.
  • Clinical practice guidelines for NSAID and COX-2 inhibitor use may require updates.
  • Future anti-inflammatory drug discovery may need to consider alternative targets beyond the COX pathway.

Related Concept Videos

The Central Dogma01:25

The Central Dogma

Overview
The Central Dogma01:25

The Central Dogma

Overview
The Central Dogma01:20

The Central Dogma

The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
The Central Dogma01:20

The Central Dogma

The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
Principles of Classical Conditioning01:23

Principles of Classical Conditioning

Classical conditioning, as described by Ivan Pavlov, is a foundational concept in associative learning, where a neutral stimulus becomes capable of eliciting a conditioned response through association with an unconditioned stimulus. The process of acquisition, where this learning occurs, and the subsequent phenomena of contiguity, contingency, generalization, discrimination, extinction, and spontaneous recovery are crucial for a comprehensive understanding of classical conditioning.
During the...
Concepts and Prototypes01:24

Concepts and Prototypes

The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...