International journal of rheumatic diseases
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The management of systemic lupus erythematosus (SLE) is complicated by heterogeneous clinical presentations, a lack of universally accepted tools for the measurement of disease activity and a lack of powerful, safe, specific targeted therapies. Current medical treatment of disease activity relies on glucocorticoids as well as agents including hydroxychloroquine (HCQ), mycophenolate mofetil (MMF) azathioprine (AZA), and less frequently cyclophosphamide. ⋯ Measurement of drug or metabolite concentrations has been shown in a number of studies to identify under- and over-dosing, predict efficacy and detect non-adherence to therapy, with positive associations between optimum drug or metabolite levels and improved outcomes. In this paper, we will review the literature regarding the measurement of HCQ, MMF, AZA and cyclophosphamide drug and metabolite levels in SLE and inflammatory disease, and make recommendations for future research that could facilitate improved outcomes for patients with SLE.
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Review Meta Analysis
Rs7574865 polymorphism in signal transducers and activators of transcription 4 gene and rheumatoid arthritis: an updated meta-analysis of 28 case-control comparisons.
The objective of the present meta-analysis was to investigate whether the combined evidence shows an association between the STAT4 rs7574865 polymorphism and RA. ⋯ This meta-analysis demonstrated that the STAT4 rs7574865 polymorphism confers susceptibility to RA in major ethnic groups. The association may not be dependent on the presence of RF and anti-CCP antibodies.
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Observational Study
Two-year experience with mycophenolate mofetil in patients with scleroderma lung disease: a case series.
To assess the effect of mycophenolate mofetil (MMF) on pulmonary functions in patients with systemic sclerosis-associated lung disease (SSc-ILD) who experienced an inadequate response to first line cyclophosphamide (CYC) therapy. Twelve consecutive SSc-ILD patients who received MMF due to inadequate response to CYC as a first line agent, were retrospectively reviewed. Over the course of 2 years, pulmonary function tests (PFT) and high-resolution computed tomography (HRCT) scans were performed. ⋯ After MMF treatment, values of forced vital capacity (FVC) and diffusing capacity for carbon monoxide (DLCO) improved in three (25%) and two (16.6%) patients, respectively. It is also noted that the evaluation of serial HCRT scans showed no change in 54.5% of patients. Our case series suggested that PFT and imaging scores seemed to be stabilized by MMF in SSc-ILD patients who were inadequate responders to CYC.
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To evaluate the diagnotic value of the Assessment of Spondyloarthritis International Society (ASAS) classification criteria for axial spondyloarthritis (SpA) in Chinese patients with chronic back pain and without radiographic sacroiliitis in a 2-year follow-up study. ⋯ The ASAS classification criteria for axial SpA showed good concordance in diagnosing Chinese axial SpA patients in this prospective study. Set 1 criteria involving sacroiliitis plus more than one SpA feature had better diagnosing value.
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Randomized Controlled Trial Multicenter Study Comparative Study
An allopurinol-controlled, multicenter, randomized, double-blind, parallel between-group, comparative study of febuxostat in Chinese patients with gout and hyperuricemia.
Febuxostat, a novel non-purine selective inhibitor of xanthine oxidase, has been identified as a potential alternative to allopurinol in patients with hyperuricemia. The purpose of this study was to compare the urate-lowering (UL) efficacy and safety of daily febuxostat and allopurinol in Chinese gout patients with hyperuricemia. ⋯ The UL efficacy of daily febuxostat 80 mg was greater than that of febuxostat 40 mg and allopurinol 300 mg, which exhibited comparable UL efficacy. Safety of febuxostat and allopurinol was comparable at the doses tested.