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Infliximab as a Second-Line Therapy for Children with Refractory Kawasaki Disease; A Systematic Review and Meta-analysis of Randomized Controlled Trials
Kabbaha S, Milano A, Aldeyab MA, Thorlund K
British journal of clinical pharmacology. 2022
Abstract
AIM: Infliximab is a tumor necrosis factor-alpha inhibitor that is being used to treat children with refractory Kawasaki disease. Our purpose was to evaluate the safety and the impact of infliximab versus intravenous immunoglobulins on the incidence of coronary artery aneurysms (CAAs) and treatment resistance in children with refractory Kawasaki disease (KD). METHODS The Medline/PubMed, Embase, CINAHL, Cochrane Central Register of Controlled Trials and clinical trials registries were searched to December 2021. Randomized controlled trials (RCTs) comparing infliximab as second-line therapy to a second dose of intravenous immunoglobulin (IVIG) in children with refractory KD, reported in abstract or full text were included. Studies were selected and assessed for risk of bias by two reviewers. Data were extracted and pooled using conventional random-effects meta-analysis. The certainty of evidence was assessed using the GRADE system. RESULTS A total of 199 participants from 4 RCTs were included. Pooled risk ratio (RR) for the incidence of treatment resistance in patients treated with infliximab was RR=0.40 (95% CI 0.25-0.64). For incidence of CAAs RR was 1.20 (95% CI 0.54-2.63), the incidence of adverse effect 'infusion reactions' RR=0.48, (95% CI 0.12-1.92), and 'infections' RR=0.55 (95% CI 0.27-1.12). Overall, the GRADE strength of evidence for the primary outcomes was low. Evidence on the duration of fever and inflammatory biomarkers was sparse, heterogeneous, and inconclusive. CONCLUSION Moderate-certainty evidence indicates that infliximab may reduce the incidence of treatment resistance in children with refractory KD. However, the limited strength of evidence warrants further research.
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Integrative treatment of herbal medicine with western medicine on coronary artery lesions in children with Kawasaki disease
Choi J, Chang S, Kim E, Min SY
Medicine. 2022;101(7):e28802
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Abstract
BACKGROUND Kawasaki disease (KD) is a major cause of coronary artery lesions (CALs) in children. Approximately 10% to 20% of children treated with intravenous immunoglobulin are intravenous immunoglobulin-resistant. This study evaluated the efficacy and safety of adding herbal medicine to conventional western medicines versus conventional western medicines alone for CALs in children with KD. METHODS This study searched 9 electronic databases until August 31, 2021. The inclusion criteria were the randomized controlled trials (RCTs) that assessed the CALs in children with KD and compared integrative treatment with conventional western treatments. Two authors searched independently for RCTs, including eligible articles that fulfilled the inclusion criteria, extracted data, and assessed the methodological quality using the Cochrane risk of bias tool. Meta-analysis was conducted using Cochrane Collaboration's Review Manager 5.4 software. The effect size was presented as the risk ratio (RR), and the fixed-effect models were used to pool the results. RESULTS The finally selected 12 studies included a total of 1030 KD patients. According to a meta-analysis, the integrative treatment showed better results than the conventional treatment in the CAL prevalence rate (RR = 2.00; 95% confidence interval [CI], 1.49-2.71; P < .00001), CAL recovery rate (RR = 1.27; 95% CI, 1.05-1.54; P = .02), and total effective rate (RR = 1.17; 95% CI, 1.11-1.23; P < .00001). Only 2 studies referred to the safety of the treatment. The asymmetrical funnel plot of the CAL prevalence rate indicated the possibility of potential publication bias. CONCLUSIONS This review found the integrative treatment to be more effective in reducing the CAL prevalence rate and increasing the CAL recovery rate and total effective rate in KD patients than conventional western treatment. However, additional well-designed RCTs will be needed further to compensate restrictions of insufficient trials on safety, methodological quality, and publication bias.
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Acetylcholinesterase Inhibitors in Myasthenic Crisis: A Systematic Review of Observational Studies
Prado MB Jr, Adiao KJ
Neurocritical care. 2021;:1-17
Abstract
Current myasthenia gravis guidelines recommend intravenous immunoglobulin or plasmapheresis and discontinuation of pyridostigmine during myasthenic crisis. However, intravenous immunoglobulin or plasmapheresis is expensive and frequently not available in developing countries. This study aims to summarize the evidence of giving an acetylcholinesterase inhibitor in myasthenic crisis. Medline, Embase, and Cochrane databases and references were searched for observational studies that determined the use of acetylcholinesterase inhibitor in myasthenic crisis. The eligibility criteria were as follows: population, patients with myasthenic crisis, intervention (acetylcholinesterase inhibitor administration), and outcome (clinical improvement and complications). In total, 106 studies were identified, 92 through database searching (after removing duplicates) and 14 through other sources. Only eight were analyzed in the present systematic review. In five, acetylcholinesterase inhibitor was given at the start of the crisis, whereas in the other three, acetylcholinesterase inhibitor was discontinued initially and then restarted prior to extubation. Two observational analytic studies and three case reports showed improvement in different outcome measures. In the other three, improvement of outcome measures was also observed. Overall, a small proportion of patients developed cardiac arrhythmia and pneumonia after administration of acetylcholinesterase inhibitor alone, although this was not statistically different compared with those subjected to plasmapheresis. In summary, continuous intravenous infusion of pyridostigmine or neostigmine can be a substitute for intravenous immunoglobulin or plasmapheresis if these are not available during crisis; however, caution should be observed because of the aforementioned possible complications.
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Concomitant Immunosuppressive Therapy Use in Eculizumab-Treated Adults With Generalized Myasthenia Gravis During the REGAIN Open-Label Extension Study
Nowak RJ, Muppidi S, Beydoun SR, O'Brien FL, Yountz M, Howard JF Jr
Frontiers in neurology. 2020;11:556104
Abstract
Introduction: Chronic, broad-spectrum immunosuppressive therapy (IST) can be associated with side effects in many people with generalized myasthenia gravis (gMG), and treatment guidelines recommend that the IST dose be tapered once patients achieve a stable treatment response. We therefore examined IST use in eculizumab-treated patients with refractory gMG. Methods: The REGAIN open-label extension (OLE) enrolled 117 adults with refractory anti-acetylcholine receptor antibody-positive gMG who had completed the 6-month, randomized, double-blind, placebo-controlled REGAIN study of eculizumab. Eligible patients had received ≥2 ISTs for ≥1 year or ≥1 IST with intravenous immunoglobulin or plasma exchange ≥4 times in 1 year, without symptom control. During REGAIN, changes in concomitant MG therapies were not permitted; during the OLE, they were permitted at the investigators' discretion. Participants received eculizumab 1,200 mg every 2 weeks for up to 4 years; concomitant prednisone and related corticosteroids (PRED), azathioprine (AZA), and mycophenolate mofetil (MMF) use was recorded. Changes in MG Activities of Daily Living and Quantitative MG total scores, MG exacerbations, and adverse events were also recorded. Results: At last OLE assessment, 88.0% (103/117) of participants were using ≥1 IST vs. 98.3% (115/117) at OLE baseline. During the OLE, 76.9% (90/117) of patients experienced a total of 719 IST changes. Almost half of participants [48.7% (57/117)] stopped or decreased ≥1 IST owing to MG symptom improvement, representing 38.9% (280/719) of all changes. In patients who decreased and/or stopped ≥1 IST, mean daily doses of PRED, AZA, and MMF decreased between OLE baseline and last assessment by 60.8% [standard deviation (SD), 28.07; P < 0.0001], 89.1% (SD, 25.77; P < 0.0001), and 56.0% (SD, 32.99; P < 0.0001), respectively. Improved clinical outcomes were observed with eculizumab regardless of IST changes during the OLE, and eculizumab's safety profile was similar in patients who used PRED, AZA, and MMF. Conclusions: Use of ISTs by patients with previously refractory gMG decreased during eculizumab treatment in the REGAIN OLE. Clinical improvements with eculizumab were maintained by patients in all groups, including those who decreased and/or stopped concomitant ISTs. Trial registration: www.clinicaltrials.gov: NCT01997229, NCT02301624.
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Mucous membrane grafting (fibrin glue vs. suture) for lid margin pathologies in Stevens-Johnson syndrome: randomized comparative study
Pushker N, Gorimanipalli B, Sharma N, Kashyap S, Bajaj MS
Eye (London, England). 2020
Abstract
OBJECTIVE To compare fibrin glue (with three cardinal sutures) (FG) and polygalactin suture (PS) for mucous membrane grafting (MMG) in terms of graft apposition and recurrence of lid margin keratinization (LMK) and metaplastic lashes (ML) in patients with Stevens-Johnson syndrome (SJS). DESIGN Prospective randomized comparative interventional study. METHODS Twenty patients diagnosed with SJS and lid margin abnormalities including LMK with or without ML were randomized to undergo either fibrin glue (FG)-assisted MMG (n = 10) or continuous 8-0 polygalactin suture (PS)-assisted MMG (n = 10). They were evaluated preoperatively and during follow-up at 1 week and 1, 2, 3, and 6 months. The parameters assessed were best-corrected visual acuity (BCVA), tear break-up time (TBUT), Schirmer-1 test, corneal and conjunctival complications, graft apposition and width (GW), LMK, ML, impression cytology, and operative time. The primary outcome measures are incidence of graft displacement and recurrence of LMK and ML. RESULTS None of the eyelids in FG group (0/40) and 1 eyelid in PS group (1/40) had graft displacement. Recurrence of LMK occurred in 7.5% of eyelids (3/40) in both the study groups. Recurrence of ML occurred in 2.5% (1/40) in FG group and 5% (2/40) in PS group. The mean operative time for MMG in FG group was 39.5 ± 2.40 min and in PS group was 56 ± 1.63 min (p = 0.001). CONCLUSIONS As graft apposition with suture involves significantly longer intraoperative time, if cost is not a limiting factor then fibrin glue is a viable option for the MMG for lid margin pathologies.
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Study of erythropoietin in treatment of anaemia in patients with rheumatoid arthritis
Murphy EA, Bell AL, Wojtulewski J, Brzeski M, Madhok R, Capell HA
Bmj. 1994;309((6965):):1337-8.