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Updated: May 24, 2026

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
Published on: December 9, 2015
A contemporary viewpoint on 'aspirin resistance'
Nadzeya Kuzniatsova1, Eduard Shantsila, Andrew Blann
1University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham B18 7QH, England, United Kingdom.
Individual responses to aspirin vary, leading to
Area of Science:
- Cardiovascular Medicine
- Pharmacology
- Platelet Biology
Background:
- Aspirin is a primary medication for secondary cardiovascular disease prevention.
- Significant individual variability in aspirin response is increasingly recognized.
- Aspirin resistance is linked to poorer clinical outcomes.
Purpose of the Study:
- To review the definition, clinical significance, and mechanisms of aspirin resistance.
- To explore the role of platelets in atherothrombosis and aspirin resistance.
Main Methods:
- Literature review of clinical and laboratory evidence.
- Analysis of recent data on platelet function in atherothrombosis.
Main Results:
- Aspirin resistance is associated with an increased risk of major adverse clinical events (MACE).
- Platelets are a key interface between coagulation and inflammation in atherothrombosis.
- High on-treatment platelet reactivity correlates with atherothrombotic events.
Conclusions:
- Understanding aspirin resistance is crucial for optimizing cardiovascular disease prevention.
- Further research into platelet mechanisms may reveal strategies to overcome aspirin resistance.
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