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Probiotics in 14-day triple therapy for Asian pediatric patients with Helicobacter pylori infection: a network meta-analysis.

ABSTRACT: Although 14-day triple therapy has been widely administrated for eradicating Helicobacter pylori (H. pylori) in Asia, its antibiotic-associated side effects restrict the effectivity of eradication therapy in pediatric patients. Therefore, a network meta-analysis (NMA) was conducted to compare the efficacy and safety of probiotics supplemented in 14-day triple therapy in Asian pediatric patients.Randomized controlled trials (RCTs) were retrieved comprehensively in electronic databases (such as PubMed, Cochrane library, Embase, CNKI, Wan fang database, VIP database and CBM) until April 2017. Additional references were obtained from reviewed articles. NMA was performed using a random-effects model under a frequentist framework.Seventeen RCTs were included. NMA indicated that Bifidobacterium infantis+Clostridium butyricum was most beneficial for H. pylori eradication rates (P-score = 0.82) and Bacillus mesentericus+Clostridium butyricum+Streptococcus faecalis for total side effects (P-score = 0.77). Taken together, Bacillus mesentericus+Clostridium butyricum+Streptococcus faecalis was the best one to supplement in 14-day triple therapy due to its efficacy (P-score = 0.72) and safety (P-score = 0.77). Additionally, pairwise meta-analysis indicated that probiotics supplemented 14-day triple therapy significantly increased H. pylori eradication rates (RR: 1.16, 95%CI: 1.07-1.26) and reduced the incidence of total side effects (RR: 0.40, 95%CI: 0.34-0.48) compared with placebo.Bacillus mesentericus+Clostridium butyricum+Streptococcus faecalis is the optimal probiotic regime of reducing total side effects and improving eradication rates when supplemented 14-day triple therapy. Further direct evidence is needed to warrant it.

SUBMITTER: Wen J

PROVIDER: S-EPMC5707110 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Probiotics in 14-day triple therapy for Asian pediatric patients with <i>Helicobacter pylori</i> infection: a network meta-analysis.

Wen Juanjuan J Peng Pailan P Chen Pengfei P Zeng Lirong L Pan Qinghua Q Wei Wenbin W He Jianhua J

Oncotarget 20171007 56

Although 14-day triple therapy has been widely administrated for eradicating <i>Helicobacter pylori (H. pylori)</i> in Asia, its antibiotic-associated side effects restrict the effectivity of eradication therapy in pediatric patients. Therefore, a network meta-analysis (NMA) was conducted to compare the efficacy and safety of probiotics supplemented in 14-day triple therapy in Asian pediatric patients.<h4>Materials and methods</h4>Randomized controlled trials (RCTs) were retrieved comprehensivel ...[more]

PMID: 29221216

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Project description:BackgroundEvidence from Europe, Asia, and North America suggests that standard three-drug regimens of a proton-pump inhibitor plus amoxicillin and clarithromycin are significantly less effective for eradication of Helicobacter pylori infection than are 5-day concomitant and 10-day sequential four-drug regimens that include a nitroimidazole. These four-drug regimens also entail fewer antibiotic doses than do three-drug regimens and thus could be suitable for eradication programmes in low-resource settings. Few studies in Latin America have been done, where the burden of H pylori-associated diseases is high. We therefore did a randomised trial in Latin America comparing the effectiveness of four-drug regimens given concomitantly or sequentially with that of a standard 14-day regimen of triple therapy.MethodsBetween September, 2009, and June, 2010, we did a randomised trial of empiric 14-day triple, 5-day concomitant, and 10-day sequential therapies for H pylori in seven Latin American sites: Chile, Colombia, Costa Rica, Honduras, Nicaragua, and Mexico (two sites). Participants aged 21-65 years who tested positive for H pylori by a urea breath test were randomly assigned by a central computer using a dynamic balancing procedure to: 14 days of lansoprazole, amoxicillin, and clarithromycin (standard therapy); 5 days of lansoprazole, amoxicillin, clarithromycin, and metronidazole (concomitant therapy); or 5 days of lansoprazole and amoxicillin followed by 5 days of lansoprazole, clarithromycin, and metronidazole (sequential therapy). Eradication was assessed by urea breath test 6-8 weeks after randomisation. The trial was not masked. Our primary outcome was probablity of H pylori eradication. Our analysis was by intention to treat. This trial is registered with ClinicalTrials.gov, registration number NCT01061437.Findings1463 participants aged 21-65 years were randomly allocated a treatment: 488 were treated with 14-day standard therapy, 489 with 5-day concomitant therapy, and 486 with 10-day sequential therapy. The probability of eradication with standard therapy was 82·2% (401 of 488), which was 8·6% higher (95% adjusted CI 2·6-14·5) than with concomitant therapy (73·6% [360 of 489]) and 5·6% higher (-0·04% to 11·6) than with sequential therapy (76·5% [372 of 486]). Neither four-drug regimen was significantly better than standard triple therapy in any of the seven sites.InterpretationStandard 14-day triple-drug therapy is preferable to 5-day concomitant or 10-day sequential four-drug regimens as empiric therapy for H pylori infection in diverse Latin American populations.FundingBill & Melinda Gates Foundation, US National Institutes of Health.

Project description:IntroductionHelicobacter pylori colonization is present in half of the world's population and can lead to numerous gastrointestinal diseases if left untreated, including peptic ulcer disease and gastric cancer. Although concurrent triple therapy remains the recommended treatment regimen for H. pylori eradication, its success rate and efficacy have been declining. Recent studies have shown that the addition of probiotics can significantly increase eradication rates by up to 50%. This meta-analysis examines the impact of probiotic supplementation on the efficacy of standard triple therapy in eradicating H. pylori.MethodsA comprehensive literature search was conducted using PubMed, Cochrane Central Registry of Controlled Trials, and Google Scholar (time of inception to 2016) to identify all published randomized control trials (RCTs) assessing the use of probiotics in addition to triple therapy for the treatment of H. pylori. Searches were conducted using the keywords "probiotics", "triple therapy", and "Helicobacter pylori". RCTs comparing the use of probiotics and standard triple therapy with standard triple therapy alone for any duration in patients of any age diagnosed with H. pylori infection were included. H. pylori eradication rates (detected using urea breath test or stool antigen) were analyzed as-per-protocol (APP) and intention-to-treat (ITT).ResultsA total of 30 RCTs involving 4,302 patients APP and 4,515 patients ITT were analyzed. The addition of probiotics significantly increased eradication rates by 12.2% (relative risk [RR] =1.122; 95% confidence interval [CI], 1.091-1.153; P<0.001) APP and 14.1% (RR =1.141; 95% CI, 1.106-1.175; P<0.001) ITT. Probiotics were beneficial among children and adults, as well as Asians and non-Asians. No significant difference was observed in efficacy between the various types of probiotics. The risk of diarrhea, nausea, vomiting, and epigastric pain was also reduced.ConclusionThe addition of probiotics is associated with improved H. pylori eradication rates in both children and adults, as well as Asians and non-Asians. Lactobacillus, Bifidobacterium, Saccharomyces, and mixtures of probiotics appear beneficial in H. pylori eradication. Furthermore, the reduction in antibiotic-associated side effects such as nausea, vomiting, diarrhea, and epigastric pain improves medication tolerance and patient compliance. Given the consequences associated with chronic H. pylori infection, the addition of probiotics to the concurrent triple therapy regimen should be considered in all patients with H. pylori infection. However, further studies are required to identify the optimal probiotic species and dose.

Project description:Background:The efficacy and applicability of molecular testing to guide the selection of antibiotics in triple Helicobacter pylori (H. pylori) eradication regimens have not been reported. We tested a 7-day, genotypic resistance-guided triple H. pylori eradication therapy in a high-resistance setting. Methods:Consecutive dyspeptic patients with H. pylori infection were prospectively enrolled. Genotypic resistances to clarithromycin (23SrRNA mutations) and fluoroquinolones (gyrA mutations) were determined from gastric biopsy specimens using a commercially available molecular assay (GenoTypeâ HelicoDR). A tailored genotypic resistance-guided 7-day triple therapy comprised esomeprazole, amoxicillin, and either clarithromycin (wild-type 23SrRNA), levofloxacin (23SrRNA mutated/wild-type gyrA) or rifabutin (both 23SrRNA/gyrA mutated). H. pylori eradication was confirmed by 13C-urea breath test. Results:Of 148 subjects screened, 51 patients were enrolled (male/female: 27/24, mean age: 50.7±11.4 years, treatment-naïve/-experienced: 32/19). The molecular kit was easily implemented, allowing for rapid (within 24 h) and relatively inexpensive determination of H. pylori resistance (clarithromycin: 47.1%, fluoroquinolones: 15.7%, dual clarithromycin/fluoroquinolones: 7.8%). For patients who received clarithromycin-, levofloxacin- and rifabutin-containing triple therapy, the respective eradication rates were 24/27, 20/20, and 2/4 by intention-to-treat (ITT); and 24/24, 19/19 and 2/3 by per-protocol (PP) analysis. Overall eradication rates were 90.2% (95% confidence interval [CI] 77.8-96.3%) by ITT and 97.8% (95%CI 87-99.8%) by PP analysis, showing no significant difference between treatment-naïve and -experienced patients (ITT: 87.5% vs. 94.7%, P=0.64; PP: 96.4% vs. 100%, respectively, P=1.00). Conclusions:Regardless of prior treatment history, a genotypic resistance-guided 7-day triple therapy, based on a simple molecular assay, achieved a high H. pylori eradication rate.

Project description:BACKGROUND Considering the importance of Helicobacter pylori (H. pylori) eradication, this clinical trial was designed to prospectively evaluate the efficacy of levofloxacin-based, sequential therapy in comparison with quadruple therapy for eradicating H. pylori. METHODS Overall 156 patients with dyspepsia and H. pylori infection were included in this study and were randomly allocated to either 10-day sequential therapy group (group A) to receive pantoprazole (40 mg twice daily), amoxicillin (1 gr twice daily), levofloxacin (500 mg twice daily), and tinidazole (500 mg twice daily) (PALT) or 14-day quadruple therapy group (group B) to receive pantoprazole, clarithromycin, bismuth subcitrate, and amoxicillin (PABC). At the end of the study the eradication rate in each group was assessed by urea breath test (UBT). RESULTS Age range of the participants was 18-65 years (average 36.9 years) and 50% of them (78 patients) were men. 78 patients were allocated to group A and 78 patients to groupe B. After antibiotic therapy, all the patients received acid suppression therapy with Proton Pump Inhibitor (PPI) for 4 weeks and then the eradication rate was confirmed by UBT (Heli FAN plus 13C, Germany). Before performing UBT, all the participants were requested to halt consumption of PPI for at least 1 week. During the treatment there was not any major complication but in group A (sequential therapy), two patients complained of minor complications including musculoskeletal pain. None of the patients in group B had any complaint or side effect. The rate of H. pylori eradication in group A was 78.2% (61 patients) while this rate in group B was 83.3% (65 patients) with no significant difference between the two groups (p = 0.42). In subgroup analysis, the rate of eradication among men in group A and B were 76.9% and 89.7%, respectively (p = 0.22) while the eradication rate among women were 79.4% and 76.9%, respectively (p = 1.00). CONCLUSION It seems that levofloxacin base sequential therapy does not have any advantage in comparison with quadruple regimen and until finding any more effective short course therapy for H. Pylori eradication; we encourage quadruple regimen to be used as the first line therapy.

Dataset Information

Probiotics in 14-day triple therapy for Asian pediatric patients with Helicobacter pylori infection: a network meta-analysis.

Publications

Probiotics in 14-day triple therapy for Asian pediatric patients with <i>Helicobacter pylori</i> infection: a network meta-analysis.

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