Non-Steroidal Anti-Inflammatory Drugs in Osteoarthritis Management
Summary
Non-steroidal anti-inflammatory drugs (NSAIDs) remain a cornerstone in the symptomatic management of osteoarthritis, exerting analgesic and anti-inflammatory effects primarily through reversible inhibition of cyclooxygenase enzymes (COX-1 and COX-2). By reducing prostaglandin synthesis within inflamed joint tissues, NSAIDs alleviate pain and improve function. Oral formulations offer systemic relief but carry risks of gastrointestinal, renal and cardiovascular adverse events. Topical preparations, including gels, patches and novel intra-articular carriers, seek to maximise local drug concentrations while minimising systemic exposure. Recent advances emphasise personalised treatment approaches, optimised formulations for sustained release and the identification of patient-level predictors of response to guide clinical decision-making. These innovations highlight the global importance of balancing efficacy, safety and accessibility in long-term osteoarthritis care.
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Non-Steroidal Anti-Inflammatory Drugs in Osteoarthritis Management publication trend
The graph below shows the total number of articles in non-steroidal anti-inflammatory drugs in osteoarthritis management across all publications each year (not limited to Nature Index journals).
Technical terms
Cyclooxygenase (COX): Enzyme family responsible for prostaglandin biosynthesis, targeted by NSAIDs to reduce inflammation and pain.
Topical NSAID: Formulation (gel, cream, patch) applied to the skin overlying joints to deliver anti-inflammatory drugs locally with minimal systemic absorption.
Network meta-analysis: Statistical method that compares multiple treatments across randomised trials, allowing for indirect as well as direct comparisons of efficacy and safety.
Individual patient data meta-analysis (IPD-MA): Approach that pools raw data from multiple trials to assess treatment effects and patient-level predictors more precisely than aggregate data methods.
Liposomal nanoparticle: Nanoscale drug-delivery vehicle composed of lipid bilayers, capable of encapsulating active compounds for sustained and targeted release.
References
- Relative efficacy and safety of topical non-steroidal anti-inflammatory drugs for osteoarthritis: a systematic review and network meta-analysis of randomised controlled trials and observational studies. British Journal of Sports Medicine (2018).
- Predicting response to topical non-steroidal anti-inflammatory drugs in osteoarthritis: an individual patient data meta-analysis of randomized controlled trials. Rheumatology (2020).
- Hyaluronan-Loaded Liposomal Dexamethasone–Diclofenac Nanoparticles for Local Osteoarthritis Treatment. International Journal of Molecular Sciences (2021).
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