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Arthritis risk with immune checkpoint inhibitor therapy for cancer

Pundole, Xerxesa; Abdel-Wahab, Nohaa,b; Suarez-Almazor, Maria E.a

Current Opinion in Rheumatology: May 2019 - Volume 31 - Issue 3 - p 293–299
doi: 10.1097/BOR.0000000000000601
RHEUMATOID ARTHRITIS: Edited by Jon T. Giles
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Purpose of review This review summarizes the current evidence on inflammatory arthritis following cancer treatment with immune checkpoint inhibitors (ICI), and the effects of these therapies in patients with preexisting autoimmune arthritis.

Recent findings As the use of ICI for cancer therapy continues to expand, a myriad of immune-related adverse events (irAE) caused by these therapies are being recognized. Arthritis has been increasingly reported as a de novo irAE, presenting sometimes as a well defined disorder, such as rheumatoid arthritis or psoriatic arthritis, and in other occasions as undifferentiated monoarthritis, oligoarthritis, or polyarthritis. Remitting seronegative symmetric synovitis with pitting edema (RS3PE) and tenosynovitis have also been reported. Most published cases are reported as mild to moderate in severity. The most common treatment for arthritis has been systemic corticosteroids, although several patients have been treated with traditional disease-modifying antirheumatic drugs (DMARD), and a few, with biologic DMARD.

Summary Arthritis following ICI therapy is pleomorphic. Prompt identification and treatment are imperative to achieve optimal outcomes. Management should be multidisciplinary, including rheumatologists and oncologists, to ensure prompt symptomatic and functional management and continuation of cancer therapy as appropriate.

aDepartment of General Internal Medicine, Section of Rheumatology and Clinical Immunology, The University of Texas MD Anderson Cancer Center, Houston, USA

bDepartment of Rheumatology and Rehabilitation, Faculty of Medicine, Assiut University Hospitals, Assiut, Egypt

Correspondence to Maria E. Suarez-Almazor, MD, PhD, Department of General Internal Medicine, Section of Rheumatology and Clinical Immunology, Unit 1465, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA. Tel: +1 713 745 4516; e-mail: msalmazor@mdanderson.org

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