Serum levels of interleukin-1b, tumour necrosis factor-a and interleukin-2 in rheumatoid arthritis. Correlation with disease activity

1992 ◽  
Vol 11 (2) ◽  
pp. 202-205 ◽  
Author(s):  
L. Altomonte ◽  
A. Zoli ◽  
L. Mirone ◽  
P. Scolieri ◽  
M. Magaró
Keyword(s):  
Rheumatoid Arthritis ◽  
Disease Activity ◽  
Tumour Necrosis Factor ◽  
Tumour Necrosis ◽  
Interleukin 2 ◽  
Serum Levels ◽  
Necrosis Factor

Patients with rheumatoid arthritis treated with tumour necrosis factor antagonists increase their participation in the workforce: potential for significant long-term indirect cost gains (data from a population-based registry)

2009 ◽  
Vol 69 (01) ◽  
pp. 126-131 ◽  
Author(s):  
J Augustsson ◽  
M Neovius ◽  
C Cullinane-Carli ◽  
S Eksborg ◽  
R F van Vollenhoven
Keyword(s):  
Rheumatoid Arthritis ◽  
Disease Activity ◽  
Indirect Cost ◽  
Tumour Necrosis Factor ◽  
Tumour Necrosis ◽  
Population Based ◽  
Hours Worked ◽  
Population Based Registry ◽  
Necrosis Factor

Objective:To investigate the effect of tumour necrosis factor (TNF) antagonist treatment on workforce participation in patients with rheumatoid arthritis (RA).Methods:Data from the Stockholm anti-TNFα follow-up registry (STURE) were used in this observational study. Patients with RA (n = 594) aged 18–55 years, (mean (SD) 40 (9) years) followed for up to 5 years were included with hours worked/week as the main outcome measure. Analyses were performed unadjusted and adjusted for baseline age, disease duration, Health Assessment Questionnaire (HAQ), 28-joint Disease Activity Score (DAS28) and pain score.Results:At baseline patients worked a mean 20 h/week (SD 18). In unadjusted analyses, significant improvements in hours worked/week could already be observed in patients at 6 months (mean, 95% CI) +2.4 h (1.3 to 3.5), with further increases compared to baseline at 1-year (+4.0 h, 2.4 to 5.6) and 2-year follow-up (+6.3 h, 4.2 to 8.4). The trajectory appeared to stabilise at the 3-year (+6.3 h, 3.6 to 8.9), 4-year (+5.3 h, 2.3 to 8.4) and 5-year follow-up (+6.6 h, 3.3 to 10.0). In a mixed piecewise linear regression model, adjusted for age, sex, baseline disease activity, function and pain, an improvement of +4.2 h/week was estimated for the first year followed by an added improvement of +0.5 h/week annually during the years thereafter. Over 5 years of treatment, the expected indirect cost gain corresponded to 40% of the annual anti-TNF drug cost in patients continuing treatment.Conclusion:Data from this population-based registry indicate that biological therapy is associated with increases in workforce participation in a group typically expected to experience progressively deteriorating ability to work. This could result in significant indirect cost benefits to society.

Discontinuation of tumour necrosis factor inhibitors in patients with rheumatoid arthritis in low-disease activity: persistent benefits. Data from the Corrona registry

2014 ◽  
Vol 74 (6) ◽  
pp. 1150-1155 ◽  
Author(s):  
Arthur Kavanaugh ◽  
Susan J Lee ◽  
Jeffrey R Curtis ◽  
Jeffrey D Greenberg ◽  
Joel M Kremer ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Disease Activity ◽  
Tumour Necrosis Factor ◽  
Clinical Benefit ◽  
Tumour Necrosis ◽  
Patient Characteristics ◽  
Low Disease Activity ◽  
Kaplan Meier ◽  
Factor Inhibitor ◽  
Necrosis Factor

BackgroundThere is increasing interest in discontinuing biological therapies for patients with rheumatoid arthritis (RA) achieving good clinical responses, provided patients maintain clinical benefit.MethodsWe assessed patients with RA from the Corrona registry who discontinued treatment with their first tumour necrosis factor inhibitor (TNFi) while in low-disease activity (LDA) or lower levels of disease activity. Patients were followed until they lost clinical benefit, defined as increased disease activity or change in RA medications. Duration of maintenance of clinical benefit was estimated using the Kaplan–Meier method. Cox proportional hazard models were assessed to identify factors related to maintenance of benefit.ResultsWe identified 717 eligible patients with RA from 35 656 in the Corrona registry. At discontinuation, patients had a median RA duration of 8 years, mean clinical disease activity score of 4.3±0.11; 41.8% were using TNFi as monotherapy. 73.4% of patients maintained benefit for >12 months after discontinuing therapy and 42.2% did so through 24 months. Factors predictive of maintaining clinical benefit in multivariate analysis included lower disease activity, less pain and better functional status at the time of TNFi discontinuation. Among 301 patients initiating their first TNFi within the registry, faster responders (ie, those who achieved LDA in 4 months or less) did better than slower responders (HR 1.54 (95% CI 1.17 to 2.04)). RA disease duration did not affect maintenance of clinical benefit.ConclusionsDiscontinuation of a first course of TNFi may be associated with persistent clinical benefit. Half of patients maintained response through 20 months. Several patient characteristics may help predict persistent benefit.

scholarly journals The effectiveness of leflunomide as a co-therapy of tumour necrosis factor inhibitors in rheumatoid arthritis: a population-based study

2008 ◽  
Vol 68 (1) ◽  
pp. 33-39 ◽  
Author(s):  
A Finckh ◽  
S Dehler ◽  
C Gabay
Keyword(s):  
Rheumatoid Arthritis ◽  
Disease Activity ◽  
Tumour Necrosis Factor ◽  
Tumour Necrosis ◽  
Functional Disability ◽  
Drug Discontinuation ◽  
Radiographic Damage ◽  
Conventional Dmards ◽  
Significant Difference ◽  
Necrosis Factor

Background:Randomised trials have demonstrated that the efficacy of anti-tumour necrosis factor (TNF) agents is significantly increased by concomitant methotrexate (MTX) in rheumatoid arthritis (RA). In clinical routine, anti-TNF agents are commonly prescribed with other disease-modifying antirheumatic drugs (DMARDs) than MTX, however their effectiveness in combination with anti-TNF agents is not well established.Objective:To compare the effectiveness of leflunomide (LEF) and other conventional DMARDs with MTX as co-therapy to anti-TNF agents in RA.Methods:All patients on anti-TNF agents and conventional DMARDs within the Swiss Clinical Quality Management (SCQM)-RA database were included (n = 1218) and categorised according to the type of co-therapy into anti-TNF+MTX (n = 842), anti-TNF+LEF (n = 260) and anti-TNF+other DMARDs (n = 116). Drug discontinuation rates and incidence of toxic side effects were analysed using Cox proportional hazard models. Progression of radiographic damage, the evolution of functional disability and the improvement of RA disease activity were analysed using longitudinal regression models, adjusting for potential confounders.Results:The overall discontinuation rates of anti-TNF and conventional DMARD combination therapies were relatively high with a median survival of only 16 months (interquartile range (IQR): 10–37), but they did not differ between the three regimens (p = 0.69). The progression of radiographic damage (p = 0.77), functional disability (p = 0.09) and RA disease activity (p = 0.33) were also similar between the different regimen. In addition, no significant difference in the frequency of adverse events emerged.Conclusion:Overall these results suggest that LEF and potentially other conventional DMARDs offer an effective and safe alternative to MTX as co-therapy in combination with anti-TNF agents.

Impaired Erythropoietin Responsiveness in Anaemic Rheumatoid Arthritis Patients: Potential Relation to Immune Mechanisms

1994 ◽  
Vol 86 (5) ◽  
pp. 633-638 ◽  
Author(s):  
Felix Stockenhuber ◽  
Michaela Keil ◽  
Christian Wurnig ◽  
Robert W. Kurz ◽  
Michael Gottsauner-Wolf ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Tumour Necrosis Factor ◽  
Tumour Necrosis ◽  
Interleukin 2 ◽  
Inverse Correlation ◽  
Tumour Necrosis Factor Α ◽  
Interleukin 2 Receptor ◽  
Soluble Interleukin 2 Receptor ◽  
Factor Α ◽  
Necrosis Factor

1. Serum levels of erythropoietin and the immune parameters tumour necrosis factor-α, soluble interleukin-2 receptor, interleukin-2, interleukin-6 and interferon-γ were measured in patients with rheumatoid arthritis. 2. Out of 69 patients, 44 had anaemia with serum haemoglobin concentrations of 10.8 (SD 1.2) g/dl. In these patients erythropoietin levels were significantly higher than in non-anaemic patients [51.97 (SD 23.9) versus 26.06 (SD 11.9) m-units/ml; P < 0.0001; control patients: 18.1 (SD 13.8) m-units/ml]. Mean soluble interleukin-2 receptor activity was elevated in all patients with rheumatoid arthritis [1324 (SD 715) units/ml; control patients: 480 (SD 75) units/ml; P < 0.001] and was significantly higher in the anaemic group than in the non-anaemic group [1562 (SD 662) versus 696 (SD 402) units/ml; P < 0.0001]. The serum activity of soluble interleukin-2 receptor showed an inverse correlation with haemoglobin (r = 0.79; P < 0.0001) and a positive correlation with erythropoietin (r = 0.70, P < 0.0001). 3. Elevated serum tumour necrosis factor-α levels were found in 19 anaemic patients [20.6 (SD 9.1) pg/ml]. Concentrations of tumour necrosis factor-α in serum showed an inverse correlation with haemoglobin (r = 0.57, P < 0.001) and a positive correlation with erythropoietin (r = 0.46, P < 0.05). Interleukin-6 was detected in seven anaemic patients [21 (SD 14) pg/ml] and interleukin-2 activity in three anaemic patients (12, 16 and 14 units/ml, respectively). Interferon-γ was not detected in any of the patients investigated. 4. The present study supports the concept that in patients with rheumatoid arthritis the responsiveness to erythropoietin is impaired. Immune mechanisms may be operative and point to a pivotal role for tumour necrosis factor-α.

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