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Wang Y, Florez ID, Morgan RL, Foroutan F, Chang Y, Crandon HN, Zeraatkar D, Bala MM, Mao RQ, Tao B, Shahid S, Wang X, Beyene J, Offringa M, Sherman PM, El Gouhary E, Guyatt GH, Sadeghirad B. Probiotics, Prebiotics, Lactoferrin, and Combination Products for Prevention of Mortality and Morbidity in Preterm Infants: A Systematic Review and Network Meta-Analysis. JAMA Pediatr 2023; 177:1158-1167. [PMID: 37782505 PMCID: PMC10546299 DOI: 10.1001/jamapediatrics.2023.3849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/01/2023] [Indexed: 10/03/2023]
Abstract
Importance Modulation of intestinal microbiome by administering probiotics, prebiotics, or both may prevent morbidity and mortality in premature infants. Objective To assess the comparative effectiveness of alternative prophylactic strategies through a network meta-analysis (NMA) of randomized clinical trials. Data Sources MEDLINE, EMBASE, Science Citation Index Expanded, CINAHL, Scopus, Cochrane CENTRAL, and Google Scholar from inception until May 10, 2023. Study Selection Eligible trials tested probiotics, prebiotics, lactoferrin, and combination products for prevention of morbidity or mortality in preterm infants. Data Extraction and Synthesis A frequentist random-effects model was used for the NMA, and the certainty of evidence and inferences regarding relative effectiveness were assessed using the GRADE approach. Main Outcomes and Measures All-cause mortality, severe necrotizing enterocolitis, culture-proven sepsis, feeding intolerance, time to reach full enteral feeding, and duration of hospitalization. Results A total of 106 trials involving 25 840 preterm infants were included. Only multiple-strain probiotics were associated with reduced all-cause mortality compared with placebo (risk ratio [RR], 0.69; 95% CI, 0.56 to 0.86; risk difference [RD], -1.7%; 95% CI, -2.4% to -0.8%). Multiple-strain probiotics alone (vs placebo: RR, 0.38; 95% CI, 0.30 to 0.50; RD, -3.7%; 95% CI, -4.1% to -2.9%) or in combination with oligosaccharides (vs placebo: RR, 0.13; 95% CI, 0.05 to 0.37; RD, -5.1%; 95% CI, -5.6% to -3.7%) were among the most effective interventions reducing severe necrotizing enterocolitis. Single-strain probiotics in combination with lactoferrin (vs placebo RR, 0.33; 95% CI, 0.14 to 0.78; RD, -10.7%; 95% CI, -13.7% to -3.5%) were the most effective intervention for reducing sepsis. Multiple-strain probiotics alone (RR, 0.61; 95% CI, 0.46 to 0.80; RD, -10.0%; 95% CI, -13.9% to -5.1%) or in combination with oligosaccharides (RR, 0.45; 95% CI, 0.29 to 0.67; RD, -14.1%; 95% CI, -18.3% to -8.5%) and single-strain probiotics (RR, 0.61; 95% CI, 0.51 to 0.72; RD, -10.0%; 95% CI, -12.6% to -7.2%) proved of best effectiveness in reduction of feeding intolerance vs placebo. Single-strain probiotics (MD, -1.94 days; 95% CI, -2.96 to -0.92) and multistrain probiotics (MD, -2.03 days; 95% CI, -3.04 to -1.02) proved the most effective in reducing the time to reach full enteral feeding compared with placebo. Only single-strain and multistrain probiotics were associated with greater effectiveness compared with placebo in reducing duration of hospitalization (MD, -3.31 days; 95% CI, -5.05 to -1.58; and MD, -2.20 days; 95% CI, -4.08 to -0.31, respectively). Conclusions and Relevance In this systematic review and NMA, moderate- to high-certainty evidence demonstrated an association between multistrain probiotics and reduction in all-cause mortality; these interventions were also associated with the best effectiveness for other key outcomes. Combination products, including single- and multiple-strain probiotics combined with prebiotics or lactoferrin, were associated with the largest reduction in morbidity and mortality.
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Affiliation(s)
- Yuting Wang
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
| | - Ivan D. Florez
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
- Department of Pediatrics, University of Antioquia, Medellin, Colombia
- Pediatric Intensive Care Unit, Clínica Las Americas-AUNA, Medellin, Colombia
| | - Rebecca L. Morgan
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
- School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Farid Foroutan
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
- Ted Rogers Centre for Heart Research, University Health Network, Toronto, Ontario, Canada
| | - Yaping Chang
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
| | - Holly N. Crandon
- Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Ontario, Canada
| | - Dena Zeraatkar
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
- Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada
| | - Malgorzata M. Bala
- Department of Hygiene and Dietetics, Jagiellonian University Medical College, Krakow, Poland
| | - Randi Q. Mao
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Brendan Tao
- Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Shaneela Shahid
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
| | - Xiaoqin Wang
- Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Ontario, Canada
| | - Joseph Beyene
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
| | - Martin Offringa
- Child Health Evaluative Sciences, Hospital for Sick Children Research Institute, Toronto, Ontario, Canada
| | - Philip M. Sherman
- Division of Gastroenterology, Hepatology and Nutrition, Hospital for Sick Children, Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Enas El Gouhary
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
| | - Gordon H. Guyatt
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
| | - Behnam Sadeghirad
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Ontario, Canada
- Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Ontario, Canada
- Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada
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Wang X, Sadeghirad B, Morgan RL, Zeratkaar D, Chang Y, Crandon HN, Couban R, Foroutan F, Florez ID. Amino acids for the prevention of mortality and morbidity in preterm infants: a systematic review and network meta-analysis. Sci Rep 2022; 12:18333. [PMID: 36316436 PMCID: PMC9622873 DOI: 10.1038/s41598-022-21318-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 09/26/2022] [Indexed: 11/13/2022] Open
Abstract
To determine the effectiveness and safety of amino acids in preventing the mortality and morbidity among preterm infants. We conducted a systematic review and network meta-analysis. We searched MEDLINE, EMBASE, Web of Science, CINAHL, Scopus, Cochrane, and Google Scholar, and grey literature, from databases inception to January 2021. We included randomized trials that evaluated any amino acids on preterm or low-birth weight infants. We performed frequentist pairwise and network meta-analyses and used the GRADE methodology to assess the certainty of the evidence and provide a summary of the results.We included 18 trials (3702 infants). Low certainty evidence showed that there seems to be no benefit for arginine, glutamine, or N-acetylcysteine in reducing all-cause mortality. Oral arginine likely results in reduction of necrotizin enterocolitis (NEC) stage ≥ II (OR 0.48; 95% CI 0.26-0.90; moderate certainty). Oral glutamine may reduce the likelihood of developing late-onset sepsis (LOS) compared to placebo (OR 0.62; 95% CI 0.47-0.82; low certainty); and likely reduces time to reach full enteral feeding (MD = - 2.63 days; 95% CI - 4.99 to - 0.27; moderate certainty). Amino acids may have no effect on mortality. Oral arginine may reduce severe NEC, and oral glutamine may reduce LOS and the time to reach full feeding.Systematic review registration: PROSPERO registration number: CRD4201603873.
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Affiliation(s)
- Xiaoqin Wang
- grid.25073.330000 0004 1936 8227Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Canada
| | - Behnam Sadeghirad
- grid.25073.330000 0004 1936 8227Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Canada ,grid.25073.330000 0004 1936 8227Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Canada ,grid.25073.330000 0004 1936 8227Department of Anesthesia, McMaster University, Hamilton, ON Canada
| | - Rebecca L. Morgan
- grid.25073.330000 0004 1936 8227Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Canada
| | - Dena Zeratkaar
- grid.25073.330000 0004 1936 8227Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Canada
| | - Yaping Chang
- grid.25073.330000 0004 1936 8227Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Canada ,OrthoEvidence, Burlington, Canada
| | - Holly N. Crandon
- grid.25073.330000 0004 1936 8227Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Rachel Couban
- grid.25073.330000 0004 1936 8227Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Canada
| | - Farid Foroutan
- grid.25073.330000 0004 1936 8227Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, Canada ,grid.512568.dTed Rogers Centre for Heart Research, Peter Munk Cardiac Centre, Toronto, Canada
| | - Ivan D. Florez
- grid.412881.60000 0000 8882 5269Department of Pediatrics, University of Antioquia, Calle 67 No. 53-108, Medellin, Colombia ,grid.25073.330000 0004 1936 8227School of Rehabilitation Science, McMaster University, Hamilton, Canada ,Pediatric Intensive Care Unit, Clínica Las Americas, Medellin, Colombia
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Morgan RL, Preidis GA, Kashyap PC, Weizman AV, Sadeghirad B. Probiotics Reduce Mortality and Morbidity in Preterm, Low-Birth-Weight Infants: A Systematic Review and Network Meta-analysis of Randomized Trials. Gastroenterology 2020; 159:467-480. [PMID: 32592699 PMCID: PMC8014956 DOI: 10.1053/j.gastro.2020.05.096] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/07/2020] [Accepted: 05/21/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND & AIMS We aimed to compare the effectiveness of single- vs multiple-strain probiotics in a network meta-analysis of randomized trials. METHODS We searched MEDLINE, Embase, Science Citation Index Expanded, CINAHL, Scopus, Cochrane CENTRAL, BIOSIS Previews, and Google Scholar through January 1, 2019, for studies of single-strain and multistrain probiotic formulations on the outcomes of preterm, low-birth-weight neonates. We used a frequentist approach for network meta-analysis and the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach to assess the certainty of evidence. Primary outcomes included all-cause mortality, severe necrotizing enterocolitis (NEC) (Bell stage II or more), and culture-proven sepsis. RESULTS We analyzed data from 63 trials involving 15,712 preterm infants. Compared with placebo, a combination of 1 or more Lactobacillus species (spp) and 1 or more Bifidobacterium spp was the only intervention with moderate- or high-quality evidence of reduced all-cause mortality (odds ratio [OR], 0.56; 95% confidence interval [CI], 0.39-0.80). Among interventions with moderate- or high-quality evidence for efficacy compared with placebo, combinations of 1 or more Lactobacillus spp and 1 or more Bifidobacterium spp, Bifidobacterium animalis subspecies lactis, Lactobacillus reuteri, or Lactobacillus rhamnosus significantly reduced severe NEC (OR, 0.35 [95% CI, 0.20-0.59]; OR, 0.31 [95% CI, 0.13-0.74]; OR, 0.55 [95% CI, 0.34-0.91]; and OR, 0.44 [95% CI, 0.21-0.90], respectively). There was moderate- or high-quality evidence that combinations of 1 or more Lactobacillus spp and 1 or more Bifidobacterium spp and Saccharomyces boulardii reduced the number of days to reach full feeding (mean reduction of 3.30 days [95% CI, reduction of 5.91-0.69 days]). There was moderate- or high-quality evidence that, compared with placebo, the single-species product B animalis subsp lactis or L reuteri significantly reduced duration of hospitalization (mean reduction of 13.00 days [95% CI, reduction of 22.71-3.29 days] and mean reduction of 7.89 days [95% CI, reduction of 11.60-4.17 days], respectively). CONCLUSIONS In a systematic review and network meta-analysis of studies to determine the effects of single-strain and multistrain probiotic formulations on outcomes of preterm, low-birth-weight neonates, we found moderate to high evidence for the superiority of combinations of 1 or more Lactobacillus spp and 1 or more Bifidobacterium spp vs single- and other multiple-strain probiotic treatments. The combinations of Bacillus spp and Enterococcus spp, and 1 or more Bifidobacterium spp and Streptococcus salivarius subsp thermophilus, might produce the largest reduction in NEC development. Further trials are needed.
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Affiliation(s)
- Rebecca L. Morgan
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
| | - Geoffrey A. Preidis
- Section of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Baylor College of Medicine and Texas Children’s Hospital, Houston, Texas
| | - Purna C. Kashyap
- Enteric Neuroscience Program, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Adam V. Weizman
- Division of Gastroenterology, Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Behnam Sadeghirad
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada; Department of Anesthesia, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada; The Michael G. DeGroote Institute for Pain Research and Care, McMaster University, Hamilton, Ontario, Canada.
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