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Systematic review

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Systematic Literature Review: Ability of the IBDQ-32 to Detect Meaningful Change in Ulcerative Colitis Health Indicators

Giornale Inflammatory bowel diseases
Year 2023
Links Pubmed DOI

Questo articolo contiene 22 Primary studies 24 Primary studies (22 references)

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Purpose: Previous reviews produced weak evidence regarding the responsiveness of the Inflammatory Bowel Disease Questionnaire (IBDQ-32) to changes in ulcerative colitis (UC) health indicators. This systematic review and meta-analysis provide an updated synthesis on IBDQ-32 responsiveness. Methods: A systematic literature review identified 11 articles reporting IBDQ-32 responder analyses in randomized control trials, which were included in a random effects meta-analysis, and 15 articles linking IBDQ-32 change to change in UC health indicators, which were summarized narratively. Meta-analysis compared differences between IBDQ-32 responder proportions in efficacious and nonefficacious treatment arms relative to placebo. Linear meta-regression examined the association of treatment efficacy and proportions of IBDQ-32 responders in active treatment compared with placebo. Results: Meta-analysis showed larger differences in IBDQ-32 response proportions between active treatment and placebo for efficacious treatments (pooled OR, 2.19; 95% CI, 1.83-2.63) than nonefficacious treatments (pooled OR, 1.21; 95% CI, 0.84-1.74; Cochran’s Q[df = 1] = 8.26, P = .004). Meta-regression showed that the magnitude of treatment efficacy positively predicted IBDQ-32 response in active treatments relative to placebo (β = 0.21, P < .001). Moderate to strong correlations were found between change in IBDQ-32 and change in health indicators (eg, patient-reported measures, disease activity, endoscopic indices; correlations, 0.37-0.64 in absolute values). Patients achieving clinical response or remission showed greater change in IBDQ-32 total scores (range, 22.3-50.1 points) and more frequently met clinically meaningful thresholds on the IBDQ-32 than those not achieving clinical response or remission (all P < .05). Conclusions: The IBDQ-32 is responsive to changes in UC health indicators and disease activity, including in response to efficacious treatment (relative to placebo).

Systematic review

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Comparative of the Effectiveness and Safety of Biological Agents, Tofacitinib, and Fecal Microbiota Transplantation in Ulcerative Colitis: Systematic Review and Network Meta-Analysis.

Autori Zhou HY , Guo B , Lufumpa E , Li XM , Chen LH , Meng X , Li BZ
Giornale Immunological investigations
Year 2021
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Questo articolo contiene 16 Primary studies 19 Primary studies (16 references)

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BACKGROUND: Biological agents are commonly used for the treatment of ulcerative colitis (UC). As new treatments, tofacitinib, and fecal microbiota transplantation (FMT) have demonstrated efficacy in treating UC. This network meta-analysis aims to determine the efficacy and safety of biological agents, tofacitinib, and FMT. METHODS: A network meta-analysis was conducted by systematically searching the PubMed, Embase, and Cochrane Libraries. According to strict inclusion and exclusion criteria, we included randomized controlled trials (RCTs) of biological agents, tofacitinib, and FMT in UC. A random-effect model was chosen by the network meta-analysis and sensitivity analysis. Heterogeneity test and publication bias test were performed to determine the efficacy of treatments. RESULTS: Data were extracted from 16 RCTs and we found that all treatments were more effective than the placebos. A total of 21 comparisons were made to determine efficiency. We found that infliximab, vedolizumab, and FMT performed better curative effect in terms of absolute effects and relative ranks. Furthermore, there was no statistical difference in the efficacy of biological agents, tofacitinib, and FMT. Moreover, no treatments were found to increase the occurrence of adverse events when compared with placebos, except infliximab. However, vedolizumab seemed to reduce the occurrence of adverse events compared with infliximab. CONCLUSION: Of the biological agents, vedolizumab and infliximab were the most effective, suggesting that biological agents are still a better choice. Nevertheless, tofacitinib and FMT may be promising alternatives with high efficacies. However, more safety and maintenance studies need to be conducted in future for the acquisition of more accurate results.Abbreviations: FMT: Fecal microbiota transplantation; UC: Ulcerative colitis; RCTs: Randomized controlled trials; IBD: Inflammatory bowel disease; CD: Crohn's disease; IBS: Irritable bowel syndrome; CDI: Clostridium difficile infections; ITT: Intention-to-treat; RR: Relative risk; CI: Confidence interval; CrI: Credible intervals; IFX: Infliximab; ADA: Adalimumab; TFB: Tofacitinib; GLM: Golimumab; VDZ: Vedolizumab; PBO: Placebo; wk: week; F: Female; M: Male; AEs: Adverse events; SAEs: Serious adverse events; anti-TNF: Anti-tumor necrosis factors.

Systematic review

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Fecal Microbiota Transplantation as Therapy for Treatment of Active Ulcerative Colitis: A Systematic Review and Meta-Analysis

Autori Liu X , Li Y , Wu K , Shi Y , Chen M
Giornale Gastroenterology research and practice
Year 2021
Links Pubmed DOI PubMed Central

Questo articolo fa parte di 1 Broad synthesis 5 Broad syntheses (1 reference)

Questo articolo contiene 5 Primary studies 5 Primary studies (5 references)

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Aim. Increasing evidence supports the role of the gut microbiota in the etiology of ulcerative colitis (UC). Fecal microbiota transplantation (FMT) is a highly effective treatment against recurrent Clostridium difficile infection; however, its efficacy in UC is still controversial. A systematic review and meta-analysis was conducted to evaluate the efficacy and safety of FMT for treatment of active UC. Methods. We searched Cochrane, Medline, Web of Science, and Embase from inception to February 2020. Randomized controlled trials (RCTs) recruiting adults with active UC, which compared FMT with controls, were eligible. The primary outcome was combined clinical remission with endoscopic remission/response. Secondary outcomes included clinical remission, endoscopic remission, and serious adverse events. Relative risk (RR) with 95% confidence interval (CI) is reported. Results. Five RCTs with 292 participants were eligible for inclusion. When data were pooled for all patients, FMT was associated with a higher combined clinical remission with endoscopic remission/response; the RR of combined outcome not achieving after FMT vs. control was 0.79 (95% CI 0.70-0.88). FMT delivered via lower gastrointestinal route was superior to upper gastrointestinal route with regard to combined clinical remission with endoscopic remission/response (RR=0.79, 95% CI 0.70-0.89). FMT with pooled donor stool (RR=0.69, 95% CI 0.56-0.85) and higher frequency of administration (RR=0.76, 95% CI 0.62-0.93) may be more effective with regard to clinical remission. There was no statistically significant difference in serious adverse events with FMT compared with controls (RR=0.98, 95% CI 0.93-1.03). Conclusion. FMT shows a promising perspective with comparable safety and favorable clinical efficacy for the treatment of active UC in the short term. However, further larger, more rigorously conducted RCTs of FMT in UC are still needed in order to resolve the controversial questions.

Systematic review

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Clinical remission of ulcerative colitis after different modes of faecal microbiota transplantation: a meta-analysis.

Autori Tang LL , Feng WZ , Cheng JJ , Gong YN
Giornale International journal of colorectal disease
Year 2020
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Questo articolo fa parte di 1 Broad synthesis 7 Broad syntheses (1 reference)

Questo articolo contiene 7 Primary studies 7 Primary studies (7 references)

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BACKGROUND: Ulcerative colitis (UC) is a chronic, recurrent and destructive disease of the gastrointestinal tract. Faecal microbiota transplantation (FMT) is a therapeutic measure in which faecal microbiota from healthy people is transplanted into patients. AIM: To systematically evaluate the safety and effectiveness of treating UC with different modes of FMT. METHODS: Seven databases were searched by two independent researchers and studies related to randomized controlled trials were included in the analysis. RESULTS: Seven studies on UC involving 431 patients were included in the analysis. The results showed that FMT had better efficacy than placebo (OR = 2.29, 95% CI 1.48-3.53, P = 0.0002). Subgroup analyses of influencing factors showed that frozen faeces from multiple donors delivered via the lower gastrointestinal tract had a better curative effect than placebo (OR = 2.76, 95% CI 1.59-4.79, P = 0.0003; OR = 2.93, 95% CI 1.67-5.71, P = 0.0002; and OR = 2.70, 95% CI 1.67-4.37, P < 0.0001); the difference in efficacy between mixed faeces from a single donor transplanted through the upper gastrointestinal tract and placebo was not significant(P = 0.05, P = 0.09 and P = 0.98). The analysis of side effects showed no significant difference between FMT and placebo (P = 0.43). CONCLUSIONS: It may be safe and effective to transplant frozen faeces from multiple donors through the lower gastrointestinal tract to treat UC.

Systematic review

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Efficacy and safety of fecal microbiota transplantation for treating patients with ulcerative colitis: A systematic review and meta-analysis

Giornale J. Dig. Dis.
Year 2020
Links Pubmed DOI

Questo articolo contiene 37 Primary studies 37 Primary studies (37 references)

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Systematic review

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Assessing the efficacy and safety of fecal microbiota transplantation and probiotic VSL#3 for active ulcerative colitis: A systematic review and meta-analysis.

Autori Dang X , Xu M , Liu D , Zhou D , Yang W
Giornale PloS one
Year 2020
Links Pubmed DOI PubMed Central

Questo articolo fa parte di 1 Broad synthesis 7 Broad syntheses (1 reference)

Questo articolo contiene 7 Primary studies 7 Primary studies (7 references)

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BACKGROUND: Fecal microbiota transplantation is an effective treatment for many gastrointestinal diseases, such as Clostridium difficile infection and inflammatory bowel disease, especially ulcerative colitis. Changes in colonic microflora may play an important role in the pathogenesis of ulcerative colitis, and improvements in the intestinal microflora may relieve the disease. Fecal bacterial transplants and oral probiotics are becoming important ways to relieve active ulcerative colitis. PURPOSE: This systematic review with meta-analysis compared the efficacy and safety of basic treatment combined with fecal microbiota transplantation or mixed probiotics therapy in relieving mild to moderate ulcerative colitis. METHODS: The PubMed, Embase, and Cochrane libraries (updated September 2019) were searched to identify randomized, placebo-controlled, or head-to-head trials assessing fecal microbiota transplantation or probiotic VSL#3 as induction therapy in active ulcerative colitis. We analyze data using the R program to obtain evidence of direct comparison and to generate intermediate variables for indirect treatment comparisons. RESULTS: Seven randomized, double-blind, placebo-controlled trials were used as the sources of the induction data. All treatments were superior to placebo. In terms of clinical remission and clinical response to active ulcerative colitis, direct comparisons showed fecal microbiota transplantation (OR = 3.47, 95% CI = 1.93-6.25) (OR = 2.48, 95% CI = 1.18-5.21) and mixed probiotics VSL#3 (OR = 2.40, 95% CI = 1.49-3.88) (OR = 3.09, 95% CI = 1.53-6.25) to have better effects than the placebo. Indirect comparison showed fecal microbiota transplantation and probiotic VSL#3 did not reach statistical significance either in clinical remission (RR = 1.20, 95% CI = 0.70-2.06) or clinical response (RR = 0.95, 95% CI = 0.62-1.45). In terms of safety, fecal microbiota transplantation (OR = 1.15, 95% CI = 0.51-2.61) and VSL #3 (OR = 0.90, 95% CI = 0.33-2.49) showed no statistically significant increase in adverse events compared with the control group. In terms of serious adverse events, there was no statistical difference between the fecal microbiota transplantation group and the control group (OR = 1.29, 95% CI = 0.46-3.57). The probiotics VSL#3 seems more safer than fecal microbiota transplantation, because serious adverse events were not reported in the VSL#3 articles. CONCLUSIONS: Fecal microbiota transplantation or mixed probiotics VSL#3 achieved good results in clinical remission and clinical response in active ulcerative colitis, and there was no increased risk of adverse reactions. There was no statistical difference between the therapeutic effect of fecal microbiota transplantation and that of mixed probiotics VSL#3. However, the use of fecal microbiota transplantation and probiotics still has many unresolved problems in clinical applications, and more randomized controlled trials are required to confirm its efficacy.

Systematic review

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The clinical and steroid-free remission of fecal microbiota transplantation to patients with ulcerative colitis: A meta-analysis.

Autori Lam W.C. , Zhao C. , Ma W.J. , Yao L.
Giornale Gastroenterology Research and Practice
Year 2019
Links DOI

Questo articolo contiene 6 Primary studies 6 Primary studies (6 references)

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Systematic review

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Fecal microbiota transplantation in ulcerative colitis.

Giornale Acta gastro-enterologica Belgica
Year 2019
Links Pubmed

Questo articolo contiene 5 Primary studies 5 Primary studies (5 references)

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BACKGROUND/STUDY AIMS: Fecal microbiota transplantation (FMT), a treatment aiming to restore dysbiosis by transferring stool from a healthy donor into the patient, has cure rates up to 90% in the management of recurrent Clostridium difficile (C. difficile) diarrhea. This paper tries to determine whether FMT is safe and effective in the treatment of ulcerative colitis, and what the potential characteristics could be of a 'super donor'. METHODS: The PubMed database was searched using the term fecal microbiota transplantation inflammatory bowel disease. Only articles discussing the use of FMT in the treatment of ulcerative colitis were withheld. Finally, 31 original studies (10 case reports, 17 open label trials, 4 randomized controlled trials (RCTs)) and 1 meta-analysis were included. RESULTS: So far 4 RCTs have investigated the effectiveness of FMT in treating UC. Three RCTs reported a significant difference between FMT and a control group, achieving clinical remission in 24 to 44% of patients (vs. 5 to 20% of patients in control groups). The meta-analysis confirms that significantly more patients in the FMT-group achieve clinical remission in comparison to patients in the control group (p=0,01) : 42,1% vs. 22,6%. The composition of the gut microbiota plays an important role in the success of FMT-treatment. CONCLUSION: FMT seems to be a promising and safe therapy in the management of UC. Further research, with larger cohorts, will be needed to confirm this and to determine the optimal FMT procedure.

Systematic review

Unclassified

The clinical and steroid-free remission of fecal microbiota transplantation to patients with ulcerative colitis: A meta-analysis

Giornale Gastroenterology Research & Practice
Year 2019
Links Pubmed DOI PubMed Central

Questo articolo contiene 6 Primary studies 6 Primary studies (6 references)

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Background and Purpose. Since the first case of fecal microbiota transplantation for the treatment of ulcerative colitis was described in the year 1989, there have been an increment of case reports, case series, cohort studies, and randomized controlled trials (RCTs). In this study, we were going to investigate general clinical remission, clinical response, and steroid-free remission of fecal microbiota transplantation. Methods. We searched Ovid Medline, Ovid EMBASE, and Cochrane Library, focusing prospective studies including randomized controlled trials and cohort studies. The outcomes were clinical remission, clinical response, steroid-free remission, and serious adverse events. We used RevMan 5.3 software for meta-analyses. Key Results. A total of 4 RCTs and 2 cohort studies (340 cases from 5 countries) were included. We found that FMT might be more effective than placebo on clinical remission (OR, 3.85 [2.21, 6.7]; P < 0 001; I2 = 0%) and clinical response (OR, 2.75 [1.33, 5.67]; P = 0 006; I2 = 49%), but no statistical difference on steroid-free remission (OR, 2.08 [0.41, 10.5]; P = 0 37; I2 = 69%) and serious adverse events (OR, 2.0 [0.17, 22.97]; P = 0 44; I2 = 0%). Conclusions and Inferences. Fecal microbiota transplantations were associated with significant clinical remission and response in ulcerative colitis patients while there was no significant difference found between FMT and placebo in steroid-free remission. Moreover, a common consensus on the route, volume, timing, preferred donor characteristics, and frequency of fecal administration is necessary to achieve remission.