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Immune checkpoint inhibitor-induced inflammatory arthritis as a model of autoimmune arthritis
Laura C Cappelli1, Mekha A Thomas1, Clifton O Bingham1
1Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, MD, USA.
Abstract:
The development of inflammatory arthritis in patients receiving immune checkpoint inhibitor therapy is increasingly recognized due to the growing use of these drugs for the treatment of cancer. This represents an important opportunity not only to define the mechanisms responsible for the development of this immune-related adverse event and to ultimately predict or prevent its development, but also to provide a unique window into early events in the development of inflammatory arthritis. Knowledge gained through the study of this patient population, for which the inciting event is known, could shed light into the pathogenesis of autoimmune arthritis. This review will highlight the clinical and immunologic features of these entities to define common elements for future study.
Insights
Immune checkpoint inhibitors can cause inflammatory arthritis, offering insights into autoimmune disease development. Studying these patients helps predict and prevent this side effect and understand arthritis pathogenesis.
Area of Science:
- Rheumatology
- Immunology
- Oncology
Background:
- Immune checkpoint inhibitors (ICIs) are widely used cancer therapies.
- ICI therapy is increasingly associated with inflammatory arthritis, an immune-related adverse event.
- Understanding this adverse event offers insights into general inflammatory arthritis pathogenesis.
Purpose of the Study:
- To review the clinical and immunologic features of ICI-induced inflammatory arthritis.
- To identify common elements for future research into arthritis development.
- To explore the potential of ICI-associated arthritis as a model for autoimmune arthritis.
Main Methods:
- Literature review of clinical studies on ICI-induced inflammatory arthritis.
- Analysis of immunologic profiles in affected patients.
- Synthesis of findings to identify shared pathogenic mechanisms.
Main Results:
- ICI-induced inflammatory arthritis presents with diverse clinical manifestations.
- Shared immunologic pathways are implicated in its development.
- The known inciting event (ICI therapy) provides a unique research opportunity.
Conclusions:
- ICI-induced inflammatory arthritis is a significant clinical issue with potential therapeutic implications.
- Further study of this condition can elucidate fundamental mechanisms of autoimmune arthritis.
- Identifying common features is crucial for developing predictive and preventative strategies.
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