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Rouhi A, Jamal S, Arreola LG, Moon D, Hudson M, Roberts J, Ladouceur A, Ye C. Immune Checkpoint Inhibitor-Associated Remitting Seronegative Symmetrical Synovitis With Pitting Edema: Description of a New Entity by CanRIO. J Rheumatol 2024; 51:523-528. [PMID: 38428960 DOI: 10.3899/jrheum.2023-0969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2024] [Indexed: 03/03/2024]
Abstract
OBJECTIVE Remitting seronegative symmetrical synovitis with pitting edema (RS3PE) is characterized by symmetrical synovitis with pitting edema and negative rheumatoid factor (RF). It has been described in a setting of malignancy, suggesting a paraneoplastic association. With the increasing use of immune checkpoint inhibitors (ICIs) for the treatment of cancers and emergence of immune-related adverse events (irAEs), our objective was to identify and describe cases of ICI-associated RS3PE (ICI-RS3PE) and compare them to non-ICI-RS3PE. METHODS The Canadian Research Group of Rheumatology in Immuno-Oncology (CanRIO) network is a collaboration of Canadian rheumatologists with experience in the management of patients with rheumatic irAEs (Rh-irAEs). Standardized data on adult patients with Rh-irAE have been collected as part of retrospective and prospective cohorts. In this study, detailed information on all cases of ICI-RS3PE from both cohorts were extracted and analyzed. RESULTS We identified 11 cases of ICI-RS3PE. The most frequently observed malignancy was nonsmall cell lung cancer (4 of 11), followed by malignant melanoma (2 of 11) and cutaneous squamous cell carcinoma (2 of 11). The median time to onset of ICI-RS3PE was 26 weeks from ICI start and 52 weeks from diagnosis of malignancy. Seven patients had stable cancer prior to onset of ICI-RS3PE, 3 had partial response, and 1 had complete response. All patients received glucocorticoids. Conventional synthetic disease-modifying antirheumatic drugs (csDMARD) were needed in 10 patients. CONCLUSION ICI-RS3PE may be an independent Rh-irAE, separate from paraneoplastic RS3PE. The symptoms of ICI-RS3PE responded well to glucocorticoids, but concomitant treatment with csDMARDs may be necessary.
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Affiliation(s)
- Azin Rouhi
- A. Rouhi, MD, D. Moon, BSc, C. Ye, MD, University of Alberta, Edmonton, Alberta
| | - Shahin Jamal
- S. Jamal, MD, MSc, L.G. Arreola, MSc, University of British Columbia, Vancouver, British Columbia
| | - Lourdes Gonzales Arreola
- S. Jamal, MD, MSc, L.G. Arreola, MSc, University of British Columbia, Vancouver, British Columbia
| | - David Moon
- A. Rouhi, MD, D. Moon, BSc, C. Ye, MD, University of Alberta, Edmonton, Alberta
| | - Marie Hudson
- M. Hudson, MD, MPH, A. Ladouceur, MD, PhD, McGill University, Montreal, Quebec
| | - Janet Roberts
- J. Roberts, MD, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Alexandra Ladouceur
- M. Hudson, MD, MPH, A. Ladouceur, MD, PhD, McGill University, Montreal, Quebec
| | - Carrie Ye
- A. Rouhi, MD, D. Moon, BSc, C. Ye, MD, University of Alberta, Edmonton, Alberta;
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Matsubara T, Uda C, Sano C, Ohta R. A Case Report of Remitting Seronegative Symmetrical Synovitis With Pitting Edema Causing Severe Anemia, Acute Progressive Dementia, and Chronic Eczema in an Older Female. Cureus 2024; 16:e58940. [PMID: 38800308 PMCID: PMC11125455 DOI: 10.7759/cureus.58940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
Remitting seronegative symmetrical synovitis with pitting edema (RS3PE) syndrome is a type of seronegative arthritis characterized by a favorable prognosis (Remitting), absence of rheumatoid factor (Seronegative), symmetry (Symmetrical), and synovitis with pitting edema on the backs of the hands and feet. The cause of RS3PE syndrome remains unknown, but involvement of the immune system is suspected, and steroids are highly effective. Here, we present a case of an 86-year-old woman with severe anemia and bilateral lower limb edema accompanied by chronic eczema, considered to be caused by RS3PE syndrome. The patient's symptoms included bilateral lower limb edema, allergic rash, cognitive decline, and difficulty in moving, all of which were attributed to RS3PE syndrome. Given the variety of systemic symptoms associated with RS3PE syndrome, which can significantly impair the activities of daily living (ADLs) in the elderly, early detection and treatment are crucial.
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Affiliation(s)
| | | | - Chiaki Sano
- Community Medicine Management, Shimane University Faculty of Medicine, Izumo, JPN
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Hodifa Y, Khalayli N, Hodaifa A, Kudsi M. Remitting seronegative symmetrical synovitis with pitting edema syndrome postsecond COVID-19 vaccination: a case report. Ann Med Surg (Lond) 2023; 85:4118-4120. [PMID: 37554915 PMCID: PMC10406070 DOI: 10.1097/ms9.0000000000001015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 06/10/2023] [Indexed: 08/10/2023] Open
Abstract
UNLABELLED Coronavirus disease 19 (COVID-19) has become the most serious public health crisis of our generation, and vaccines are effective in preventing its infection. Remitting seronegative symmetrical synovitis with pitting edema is an idiopathic rare benign syndrome, but it could be secondary to aautoimmune diseases. Here, the authors reported the first case of this syndrome's development after COVID-19 vaccination. CASE PRESENTATION A 52-year-old woman presented with hand edema, arthralgia, and morning stiffness, after receiving the second dose of m RNA COVID-19 vaccination. Examination revealed edema in the dorsum of both hands and symmetrical tenderness of the shoulders, elbows, wrists, knees, and ankles. Blood test results were normal except for elevated levels of C-reactive protein. The immune profile and the tuberculin test were also negative. A hand radiograph showed soft tissue edema. Ultrasonography of the extremities has shown tenosynovitis. Remitting seronegative symmetrical synovitis with pitting edema syndrome was diagnosed according to the diagnostic criteria. She was treated with 30 mg/day prednisolone, with a complete disappearance of edema and arthralgia after 10 days, and the C-reactive protein level was decreased. CLINICAL DISCUSSION Vaccines are still the most effective and protective method against COVID-19 infection, but it may trigger an immunological response. Remitting seronegative symmetrical synovitis with pitting edema (or sometimes RS 3 PE) is a rare nonunderstood syndrome identified by symmetric polyarthritis, synovitis, acute pitting edema of hands and/or feet, and a negative serum rheumatoid factor, with an excellent prognosis to treatment with steroid. Usually occurred in the old aged population, young patients' cases were mentioned. As the authors did not find any data about our subject, this is the first case of this syndrome development after the second dose of COVID-19 vaccination. CONCLUSION The occurrence of acute symmetrical seronegative polysynovitis with extremities edema, in the elderly, should guide toward the diagnosis of this syndrome.
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Affiliation(s)
| | | | | | - Maysoun Kudsi
- Rheumatology, Faculty of Medicine, Damascus University, Damascus, Syria Arab Republic
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Kim K, Marvil C, Adhyaru BB. Idiopathic remitting seronegative symmetrical synovitis with pitting edema syndrome with underlying history of malignancy. Clin Case Rep 2023; 11:e7330. [PMID: 37180322 PMCID: PMC10167620 DOI: 10.1002/ccr3.7330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/12/2023] [Accepted: 04/23/2023] [Indexed: 05/16/2023] Open
Abstract
Key Clinical Message By reporting this case, we hope to emphasize the importance of maintaining a high index of clinical suspicion for the early recognition of RS3PE in patients presenting with atypical symptoms of PMR and underlying history of malignancy. Abstract Remitting seronegative symmetrical synovitis with pitting edema is a rare rheumatic syndrome of unknown etiology. It shares qualities with many other common rheumatological disorders such as rheumatoid arthritis and polymyalgia rheumatica, making diagnosis especially challenging. RS3PE has been speculated to be a paraneoplastic syndrome, and those cases associated with underlying malignancy have shown to respond poorly to conventional treatment. Therefore, it is advisable to routinely screen patients with malignancy and presenting with RS3PE for cancer recurrence, even if in remission.
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Affiliation(s)
- Kain Kim
- Division of General Internal Medicine, Department of MedicineEmory University School of MedicineAtlantaGeorgiaUnited States
| | - Charles Marvil
- Division of General Internal Medicine, Department of MedicineEmory University School of MedicineAtlantaGeorgiaUnited States
| | - Bhavin B. Adhyaru
- Division of General Internal Medicine, Department of MedicineEmory University School of MedicineAtlantaGeorgiaUnited States
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5
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Janse van Rensburg HJ, Spiliopoulou P, Makhzoum A, Healy BD. Remitting Seronegative Symmetrical Synovitis with Pitting Edema: A Case Report of an Immune-Related Adverse Event following Surgery. Case Rep Oncol 2023; 16:662-669. [PMID: 37933314 PMCID: PMC10625819 DOI: 10.1159/000532004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 06/29/2023] [Indexed: 11/08/2023] Open
Abstract
Immune checkpoint inhibitors (ICIs) have emerged as a novel class of anti-neoplastic agent in oncology. Their integration into practice has been accompanied by "immune-related adverse events" (irAEs) wherein off-target immune responses damage healthy tissues. Severe irAEs can cause irreversible organ dysfunction and death. Despite this, little is known about factors which predispose certain patients to develop irAEs or which precipitate their onset. Here, we report a case of a patient with melanoma who completed adjuvant immunotherapy, underwent elective hip replacement, and developed a rare rheumatologic irAE (remitting seronegative symmetrical synovitis with pitting edema) post-operatively. Mechanistically, we hypothesize that surgery contributed to irAE pathogenesis as a sensitizing event in which self-antigens were presented to an immune system with diminished peripheral tolerance in the context of recent ICI administration. This case highlights a need for future correlative analyses, investigating whether iatrogenic interventions such as surgery might be associated with irAE development.
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Affiliation(s)
| | - Pavlina Spiliopoulou
- Department of Medical Oncology and Haematology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Anas Makhzoum
- Department of Rheumatology, Trillium Health Partners, Mississauga, ON, Canada
| | - Brian D. Healy
- Department of Oncology, Juravinski Hospital and Cancer Centre, Hamilton Health Sciences, Hamilton, ON, Canada
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Tarasiuk-Stanislawek K, Dumusc A, Favrat B, Kokkinakis I. Idiopathic remitting seronegative symmetrical synovitis with pitting edema syndrome mimicking symptoms of polymyalgia rheumatica: a case report. J Med Case Rep 2022; 16:334. [PMID: 36028914 PMCID: PMC9419361 DOI: 10.1186/s13256-022-03535-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 07/19/2022] [Indexed: 12/03/2022] Open
Abstract
Background Remitting seronegative symmetrical synovitis with pitting edema is a rare rheumatic condition of the elderly population that is well described but whose mechanisms remain little studied. This syndrome is characterized by symmetrical swelling located mainly on the dorsal part of the hands and the feet. Because of possible heterogeneous clinical presentation, it can easily mimic the onset of other rheumatic diseases or appear associated with them. Here we report a case of a patient who developed remitting seronegative symmetrical synovitis with pitting edema with preexisting shoulder and hip girdle pain associated with progressive fatigue, indicating a possible differential diagnosis of polymyalgia rheumatica. We reviewed and compared classification for remitting seronegative symmetrical synovitis with pitting edema and polymyalgia rheumatica and discussed other differential diagnoses. Case presentation An 84-year-old Caucasian woman presented to our General Medicine Unit with acute onset of symmetrical hands and feet edema, leading to functional limitation due to pain and stiffness. Additionally, she was complaining about neck, shoulder, and pelvic girdle pain present for about 2 months associated with worsening asthenia. Blood tests showed an elevated level of C-reactive protein and erythrocyte sedimentation rate, as well as absence of anti-cyclic citrullinated peptide antibodies and rheumatoid factor. As all criteria of remitting seronegative symmetrical synovitis with pitting edema syndrome were present, the patient was treated with low-dose prednisone, with a rapid and complete resolution of symptoms. She remains asymptomatic without treatment 2 years after the onset of symptoms, without any evident oncologic etiology. Conclusions This case is an example of a classic representation of remitting seronegative symmetrical synovitis with pitting edema syndrome with clinical elements suggesting a concomitant existing early stage of polymyalgia rheumatica. These two entities, classified in the group of seronegative arthritis, can coexist (up to 10% of cases), with remitting seronegative symmetrical synovitis with pitting edema appearing as an initial or late manifestation of polymyalgia rheumatica. It is essential to remind that remitting seronegative symmetrical synovitis with pitting edema is associated with a higher risk of cancer (30%). A proper diagnosis allows the clinician to precisely define the appropriate therapy duration to limit its side effects in the elderly and remain aware of the potential risk of underlying malignancy.
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Affiliation(s)
- Katarzyna Tarasiuk-Stanislawek
- Center for Primary Care and Public Health (Unisanté), University Center of General Medicine and Public Health, University of Lausanne, Rue du Bugnon 44, 1011, Lausanne, Switzerland
| | - Alexandre Dumusc
- Rheumatology Department, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Bernard Favrat
- Center for Primary Care and Public Health (Unisanté), University Center of General Medicine and Public Health, University of Lausanne, Rue du Bugnon 44, 1011, Lausanne, Switzerland
| | - Ioannis Kokkinakis
- Center for Primary Care and Public Health (Unisanté), University Center of General Medicine and Public Health, University of Lausanne, Rue du Bugnon 44, 1011, Lausanne, Switzerland.
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Remitting Seronegative Symmetrical Synovitis with Pitting Edema (RS3PE) Syndrome: A Single-Center Experience. JOURNAL OF CONTEMPORARY MEDICINE 2021. [DOI: 10.16899/jcm.964824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Lakhmalla M, Dahiya DS, Kichloo A, Fatima T, Edigin E, Wani F. Remitting seronegative symmetrical synovitis with pitting edema: a review. J Investig Med 2020; 69:86-90. [DOI: 10.1136/jim-2020-001613] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2020] [Indexed: 12/23/2022]
Abstract
Remitting seronegative symmetrical synovitis with pitting edema (RS3PE) is a rare benign rheumatological condition characterized by sudden-onset symmetrical distal extremity edema. It can present as an isolated disease process or could be associated with other conditions. Rheumatoid factor and anticitrullinated protein antibodies are negative by definition. In current literature, there is paucity of data about the disease process. We performed a literature search using the PubMed database to identify 38 articles that met our inclusion and exclusion criteria. Our literature review focuses on the clinical picture and its diverse associations. Role of various acute phase reactants has also been outlined. There is a generalized consensus among clinicians on using moderate dose steroids for treatment. Other management options for refractory cases have also discussed. Value of several imaging modalities in diagnostic evaluation of this disease entity is touched on. Since RS3PE can be associated with other diseases, specifically cancer, timely diagnosis of this condition is necessary.
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Abstract
PURPOSE OF THE REVIEW Polymyalgia rheumatica (PMR) is one of the most common inflammatory rheumatologic condition occurring in older adults. It is characterized by proximal pain and stiffness in the shoulders, neck, and/or pelvic girdle in individuals over 50 years of age along with evidence of an intense systemic inflammatory response. Although the above clinical symptoms are very characteristic for the condition, it can be mimicked by other autoimmune, infectious, malignant, and endocrine disorders chief among which are giant cell arteritis (GCA) and elderly-onset rheumatoid arthritis (EORA). Recently, PMR was reported in relation to treatment with immune checkpoint inhibitors. Current treatment of PMR consists of low-to-medium doses of glucocorticosteroids (GC) with variable response rates and disease recurrence estimated to occur in 50% of patients while tapering down GC doses. In addition, GC-based regimens cause much of the morbidity associated with PMR in older adults, requiring close monitoring for GC-induced toxicity during therapy and highlighting the need for novel therapeutic strategies. Here, we review the latest findings in the field regarding specific etiologic factors, genetic associations, diagnostic methods, and advancements in treatment strategies and disease monitoring indices. RECENT FINDINGS Recent discoveries involving novel therapeutic targets in GCA have accelerated the study of PMR pathophysiology and have advanced treatment strategies in PMR management leading to current trials in IL-6 blocking agents. PMR remains an enigmatic inflammatory condition affecting older adults, with current treatment approach causing much morbidity in this patient population. Advancements in our understanding of novel immunopathologic targets can serve as a solid foundation for future treatment strategies in the field.
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Joseph AD, Kumanan T, Aravinthan N, Suganthan N. An unusual case of remitting seronegative symmetrical synovitis with pitting edema: Case report and literature review. SAGE Open Med Case Rep 2020; 8:2050313X20910920. [PMID: 32215210 PMCID: PMC7081466 DOI: 10.1177/2050313x20910920] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Accepted: 01/30/2020] [Indexed: 11/25/2022] Open
Abstract
Remitting seronegative symmetrical synovitis with pitting edema is a rare but well-recognized clinical entity that is easily overlooked due to lack of clinical vigilance. It is classically described as an acute onset of symmetrical tenosynovitis of both upper and lower extremities with pitting edema, mostly noted in elderly population. Young patients with other rheumatological diseases and unilateral involvement had also been reported, but symmetrical remitting seronegative symmetrical synovitis with pitting edema in a young patient is a rare observation. We hereby report a case of a remitting seronegative symmetrical synovitis with pitting edema in a young male affected by no rheumatological diseases in the past, typically fulfilling the diagnostic criteria and well responded to low-dose steroid therapy. The salient features of the present case in terms of age, remitting seronegative symmetrical synovitis with pitting edema possibly related to undifferentiated arthropathy, reactive arthritis, or diabetes mellitus.
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Affiliation(s)
- Anne Dd Joseph
- University Medical Unit, Teaching Hospital, Jaffna, Sri Lanka
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11
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Amini-Adle M, Piperno M, Tordo J, Thomas L, Dalle S, Dubois V, Marabelle A. Remitting Seronegative Symmetric Synovitis With Pitting Edema Associated With Partial Melanoma Response Under Anti-CTLA-4 and Anti-Programmed Death 1 Combination Treatment. Arthritis Rheumatol 2018; 70:1358. [DOI: 10.1002/art.40506] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | | | | | - Luc Thomas
- Hospices Civils de Lyon; Pierre Bénite France
| | | | - Valérie Dubois
- Etablissement Français du Sang Auvergne Rhone Alpes; Décines France
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12
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Ngo L, Miller E, Valen P, Gertner E. Nivolumab induced remitting seronegative symmetrical synovitis with pitting edema in a patient with melanoma: a case report. J Med Case Rep 2018; 12:48. [PMID: 29478412 PMCID: PMC6389137 DOI: 10.1186/s13256-018-1579-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 01/21/2018] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Novel immune checkpoint inhibitors have been often utilized for different types of malignancies as salvage therapy with varying success. One obstacle to immune checkpoint inhibitor use is the higher incidence of immune-mediated side effects that can prompt discontinuation of therapy. Remitting seronegative symmetrical synovitis with pitting edema has been described with immune checkpoint inhibitors only once previously. We report a case of a patient who developed remitting seronegative symmetrical synovitis with pitting edema related to immune checkpoint inhibitor therapy and stress that these symptoms can be managed without cessation of immune checkpoint inhibitor therapy. CASE PRESENTATION We present a 70-year-old white man who presented with 4 months of progressive inflammatory arthritis with pitting edema. He had been started on nivolumab therapy for his metastatic melanoma with excellent response prior to symptom onset. The symptoms started in his knees and subsequently involved both hands and feet. On evaluation, he was wheelchair bound and completely dependent for all activities of daily living. Evaluation revealed negative serological testing and plain film imaging. Ultrasound demonstrated diffuse flexor tenosynovitis and soft tissue swelling, and a diagnosis of remitting seronegative symmetrical synovitis with pitting edema was made. He was treated with orally administered corticosteroids (0.5 mg/kg per day) which improved his symptoms significantly and allowed him to regain prior independent functioning. His corticosteroids were tapered (0.15 mg/kg per day) but not discontinued and his nivolumab treatment was not interrupted. In follow up he continued to have stable control of his melanoma as well as his remitting seronegative symmetrical synovitis with pitting edema. CONCLUSIONS In conclusion we present the first case of nivolumab-induced remitting seronegative symmetrical synovitis with pitting edema that is controlled by maintenance low-dose orally administered corticosteroids allowing for continuation of nivolumab therapy. Clinicians who encounter mild-to-moderate immune checkpoint inhibitor immune-mediated adverse effects can consider maintaining immune checkpoint inhibitor therapy with concomitant low-dose corticosteroids rather than abrupt cessation of the immune checkpoint inhibitor.
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Affiliation(s)
- Linh Ngo
- University of Minnesota, Medicine Rheumatology Office, D615Mayo, 420 Delaware St SE, Minneapolis, MN 55455-034 USA
| | - Eric Miller
- Hennepin County Medical Center, Minneapolis, USA
| | - Peter Valen
- Minneapolis VA Medical Center, University of Minnesota, Minneapolis, USA
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Remitting seronegative symmetrical synovitis with pitting edema (RS3PE) syndrome induced by nivolumab. Semin Arthritis Rheum 2017; 47:281-287. [DOI: 10.1016/j.semarthrit.2017.03.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 02/21/2017] [Accepted: 03/07/2017] [Indexed: 12/13/2022]
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Nakazawa S, Mori T, Ito T, Tokura Y. Remitting seronegative symmetrical synovitis with pitting oedema syndrome with oedematous skin histopathologically characterized by granulomatous change. Br J Dermatol 2016; 174:1420-2. [PMID: 26945914 DOI: 10.1111/bjd.14513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- S Nakazawa
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan. .,Division of Dermatology, Fujinomiya City General Hospital, Fujinomiya, Japan.
| | - T Mori
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan.,Division of Dermatology, Fujinomiya City General Hospital, Fujinomiya, Japan
| | - T Ito
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Y Tokura
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
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