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Currently, a large number of highly effective biologic disease modifying antirheumatic drugs (bDMARDs) and targeted synthetic DMARDs (tsDMARDs) are used for the treatment of rheumatoid arthritis (RA). However, in addition to effectiveness, it is necessary to evaluate the risk of adverse events (AEs) when using them.Objective: to determine the predictors of bDMARDs and tsDMARDs discontinuation due to AEs in patients with RA.Patients and methods. The study included 661 patients with RA who took bDMARDs and tsDMARDs. The search for predictors of targeted therapy discontinuation due to AEs was carried out in two stages. At the first stage, using the Kaplan-Meier method, we selected indicators that showed the greatest significant single-factor relationship with the duration of retention on therapy. At the second stage, significant independent indicators were obtained by iterative selection of variables within the multivariate proportional risk model according to Cox.Results and discussion. The presence of rheumatoid nodules (p

Objective: to compare the course of the disease and therapy in rheumatoid arthritis (RA) patients who meet and do not meet the criteria for difficult- to-treat RA (D2T).Patients and methods. The study included RA patients who met the 2010 ACR/EULAR criteria and who were hospitalized in the V.A. Nasonova Research Institute of Rheumatology from March to October 2021. All patients underwent a conventional clinical and laboratory examination, radiography of the hands and distal feet, and the radiological stage of RA according to Steinbroker was assessed. To determine the inflammatory activity, the DAS28-ESR and DAS28-CRP indices were calculated.Results and discussion. The study included 303 patients with RA, 25 (8.4%) of them had D2T RA. The duration of RA in the D2T group was significantly longer than in other patients (15.9±11.8 and 11.9±9 years, respectively; p=0.04). X-ray changes in the joints in D2T were more pronounced. Patients with D2T had higher inflammatory activity at the time of hospitalization than patients who had continued prior therapy with biologic/targeted synthetic DMARDs. The dose of glucocorticoids (GC) in patients with D2T RA was higher compared to patients of other groups: on average 8.3±5.1 and 6.4±2.9 mg/day, respectively (p=0.02).Conclusion. The results of this study suggest that in Russia, as well as abroad, the treat-to-target principle has not yet become widespread, and the selection of adequate therapy takes too much time. At the same time, Russian rheumatologists primarily use GC to suppress inflammatory activity. The introduction of modern recommendations for the management of patients with RA into routine clinical practice, could possibly restrain the formation of D2T RA.

Objectives: Whether the characteristics of patients with rheumatoid arthritis (RA) undergoing total knee arthroplasty (TKA) have changed in the era of biologic disease-modifying antirheumatic drugs (bDMARDs) is unclear. We compared the radiographic findings of the knees in TKA recipients with RA before and after the introduction of bDMARDs. Methods: Consecutive patients who underwent primary TKA between 1999 and 2002 (115 knees; 79 patients, group A) and between 2013 and 2017 (117 knees; 95 patients, group B) were retrospectively evaluated. Clinical data, including disease duration, medication, C-reactive protein, erythrocyte sedimentation rate, and rheumatoid factor, were collected. The Larsen classification, joint space narrowing (JSN), bone erosion, and geode and osteophyte formation were evaluated on preoperative radiographs. Results: Osteophyte formation was significantly increased, and bone erosion and geode formation were significantly decreased in group B. In addition, medial-dominant JSN was significantly increased, and bicompartmental JSN was significantly decreased in group B. Medial-dominant JSN was positively and bone erosion was negatively associated with osteophyte formation. Conclusions: Following the introduction of bDMARDs, typical radiographic findings of rheumatoid knees have decreased, and secondary osteoarthritis-like changes, characterized by osteophyte formation and medial-dominant JSN, have increased in the knees of TKA recipients. [ABSTRACT FROM AUTHOR]

The article presents an analysis of literature on the efficacy and safety of a new biologic disease modifying antirheumatic drug usage, the interleukin 23 inhibitor – guselkumab (GUS) – in the treatment of patients with psoriatic arthritis (PsA). Two own clinical observations of GUS therapy are described. It has been demonstrated that in PsA of moderate activity and in severe to moderate psoriasis with nail damage, the use of GUS (100 mg at weeks 0 and 4, and then every 8 weeks), allows to achieve remission of peripheral arthritis, enthesitis and psoriasis by the 20th week of treatment as in the monotherapy regimen and in combination with methotrexate. When GUS is re-prescribed (re-treat) after a long break (10 months), its effectiveness is quickly and completely restored. The safety of GUS was confirmed in patients with comorbid pathology, in particular, Gilbert's syndrome, hyperuricemia, metabolic disorders (abdominal obesity).

Objective: To describe disease-modifying antirheumatic drug (DMARD) patterns in routine clinical practice in adult rheumatoid arthritis (RA) patients and to ascertain the reasons for methotrexate (MTX) discontinuation. Methods: A cross-sectional observational study was conducted from March to October 2014 at the Rheumatology Units of seven hospitals in Spain. In a single visit, the treating rheumatologist completed an online case report form. This report contained sociodemographic and RA variables. This study was conducted in accordance with Good Clinical Practice and local and national research legislations. Results: A total of 301 patients (71% women) with a mean age of 56.7±14.0 years and disease duration of 3.6±1.5 years were examined. The patients had RA with moderate disease activity, at least one poor prognostic factor, and comorbidities. The mean time between RA diagnosis and prescription of the first conventional synthetic DMARD (csDMARD) was 2.4±6.0 months. A total of 295 patients (98%) started the first csDMARD on monotherapy. MTX was the most-prescribed first-line drug (n=233, 79%). The mean treatment time of the first-line csDMARD was 27.0±19.4 months. Of these patients, 98% progressed to a second-line csDMARD; 118 patients were changed to another DMARD, mainly due to inefficacy (51, 37%), adverse events (AEs, 37, 27%), or intolerance (18, 13%). The use of MTX as second-line therapy reduced from 79% to 51%. At the time of the study, 200 patients (66%) received a csDMARD as monotherapy and 45 (15%) a combination of =2 csDMARDs. Fifty-five (18%) patients were being treated with a biological drug in monotherapy (16, 29%) or in a combination with a csDMARD (39, 71%), mainly MTX, 147 patients (57%) received steroids. Biological DMARD were prescribed as the second line for 42% of patients and 51% of patients received the third-line therapy or beyond. The rate of AEs that motivated a change in the csDMARD was 34%. Conclusion: MTX was the most-used csDMARD as first and second-line therapy together with corticosteroids. The combination of two or more csDMARDs as first-line treatment was very infrequent. MTX toxicity and intolerance were higher and more significant than inefficacy but progressively decreased with use. [ABSTRACT FROM AUTHOR]

Objectives: Whether the characteristics of patients with rheumatoid arthritis (RA) undergoing total knee arthroplasty (TKA) have changed in the era of biologic disease-modifying antirheumatic drugs (bDMARDs) is unclear. We compared the radiographic findings of the knees in TKA recipients with RA before and after the introduction of bDMARDs., Methods: Consecutive patients who underwent primary TKA between 1999 and 2002 (115 knees; 79 patients, group A) and between 2013 and 2017 (117 knees; 95 patients, group B) were retrospectively evaluated. Clinical data, including disease duration, medication, C-reactive protein, erythrocyte sedimentation rate, and rheumatoid factor, were collected. The Larsen classification, joint space narrowing (JSN), bone erosion, and geode and osteophyte formation were evaluated on preoperative radiographs., Results: Osteophyte formation was significantly increased, and bone erosion and geode formation were significantly decreased in group B. In addition, medial-dominant JSN was significantly increased, and bicompartmental JSN was significantly decreased in group B. Medial-dominant JSN was positively and bone erosion was negatively associated with osteophyte formation., Conclusions: Following the introduction of bDMARDs, typical radiographic findings of rheumatoid knees have decreased, and secondary osteoarthritis-like changes, characterized by osteophyte formation and medial-dominant JSN, have increased in the knees of TKA recipients., (© Japan College of Rheumatology 2021. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)