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Effects of probiotic and synbiotic supplementation on ponderal and linear growth in severely malnourished young infants in a randomized clinical trial.

ABSTRACT: Severe acute malnutrition (SAM) is a major global public health problem. We aimed to assess the effects of probiotic and synbiotic supplementation on rate of weight gain and change in length in young SAM infants. This study was substudy of a single-blind randomized clinical trial (NCT0366657). During nutritional rehabilitation, 67 <6 months old SAM infants were enrolled and randomized to receive either probiotic (Bifidobacterium. infantis EVC001) or synbiotic (B. infantis EVC001 + Lacto-N-neotetraose [LNnT]) or placebo (Lactose) for four weeks and were followed for four more weeks after supplementation. In multivariable linear regression model, the mean rate of weight gain in the probiotic arm compared to placebo was higher by 2.03 unit (P < 0.001), and 1.13 unit (P = 0.030) in the synbiotic arm. In linear mixed-effects model, mean WAZ was higher by 0.57 unit (P = 0.018) in probiotic arm compared to placebo. Although not statistically significant, delta length for age z score (LAZ) trended to be higher among children in probiotc (β = 0.25) and synbiotic (β = 0.26) arms compared to placebo in multivariable linear regression model. Our study describes that young SAM infants had a higher rate of weight gain when supplemented with probiotic alone, compared to their counterparts with either synbiotic or placebo.

SUBMITTER: Nuzhat S

PROVIDER: S-EPMC9890433 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Effects of probiotic and synbiotic supplementation on ponderal and linear growth in severely malnourished young infants in a randomized clinical trial.

Nuzhat Sharika S Hasan S M Tafsir SMT Palit Parag P Islam Md Ridwan MR Mahfuz Mustafa M Islam M Munirul MM Alam Md Ashraful MA Flannery Robin L RL Kyle David J DJ Sarker Shafiqul A SA Ahmed Tahmeed T

Scientific reports 20230201 1

Severe acute malnutrition (SAM) is a major global public health problem. We aimed to assess the effects of probiotic and synbiotic supplementation on rate of weight gain and change in length in young SAM infants. This study was substudy of a single-blind randomized clinical trial (NCT0366657). During nutritional rehabilitation, 67 <6 months old SAM infants were enrolled and randomized to receive either probiotic (Bifidobacterium. infantis EVC001) or synbiotic (B. infantis EVC001 + Lacto-N-neotet ...[more]

PMID: 36725893

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Project description:BackgroundUndernutrition in early life underlies 45% of child deaths globally. Stunting malnutrition (suboptimal linear growth) also has long-term negative effects on childhood development. Linear growth deficits accrue in the first 1000 d of life. Understanding the patterns and timing of linear growth faltering or recovery during this period is critical to inform interventions to improve infant nutritional status.ObjectiveWe aimed to identify the pattern and determinants of linear growth trajectories from birth through 24 mo of age in a cohort of Zimbabwean infants.DesignWe performed a secondary analysis of longitudinal data from a subset of 3338 HIV-unexposed infants in the Zimbabwe Vitamin A for Mothers and Babies trial. We used k-means clustering for longitudinal data to identify linear growth trajectories and multinomial logistic regression to identify covariates that were associated with each trajectory group.ResultsFor the entire population, the mean length-for-age z score declined from -0.6 to -1.4 between birth and 24 mo of age. Within the population, 4 growth patterns were identified that were each characterized by worsening linear growth restriction but varied in the timing and severity of growth declines. In our multivariable model, 1-U increments in maternal height and education and infant birth weight and length were associated with greater relative odds of membership in the least-growth restricted groups (A and B) and reduced odds of membership in the more-growth restricted groups (C and D). Male infant sex was associated with reduced odds of membership in groups A and B but with increased odds of membership in groups C and D.ConclusionIn this population, all children were experiencing growth restriction but differences in magnitude were influenced by maternal height and education and infant sex, birth weight, and birth length, which suggest that key determinants of linear growth may already be established by the time of birth. This trial was registered at clinicaltrials.gov as NCT00198718.

Project description:BackgroundData on outcomes of children with severe acute malnutrition (SAM) following treatment are scarce with none described from any upper-middle-income country. This study established mortality, clinical outcomes and anthropometric recovery of children with SAM six months following hospital discharge.MethodsA prospective cohort study was conducted in children aged 3-59 months enrolled on discharge from two hospitals in the Tshwane district of South Africa between April 2019 and January 2020. The primary outcome was mortality at six months. Secondary outcomes included relapse rates, type(s) and frequency of morbidities experienced and the anthropometric changes in children with SAM following hospital discharge. Standard programmatic support included nutritional supplements.ResultsForty-three children were enrolled with 86% of participants followed up to six months. Only a third of the participants had normal anthropometry at hospital discharge-a quarter still had ongoing SAM. There were no deaths, although four children (9%) were re-hospitalised including two for complicated SAM. Mean weight-for-length z-scores (WLZ) and wasting rates improved at one month but deteriorated by three months. At three months, six children (14%) either had ongoing or relapsed SAM-a SAM incidence rate of 20 per 1000 person-months despite more than half of the participants still receiving nutritional supplements at the time. Risk factors associated with persistent malnutrition at three months included a low WLZ on admission (relative risk [RR] 3.3, 95% confidence interval [95%CI] 1.2-9.2), being discharged from hospital before meeting WHO SAM treatment discharge criteria (RR 5.3, 95%CI 1.3-14.8) or having any illness by three months (RR 8.6, 95%CI 1.3-55.7).ConclusionPost-discharge mortality and morbidity was lower than in other less resourced settings. However, anthropometric recovery was poorer than expected. Modifying discharge criteria, optimising the use of available nutritional supplements and better integration with community-based health and social services may improve outcomes for children with SAM post-hospitalisation.

Project description:Introduction. Probiotic supplementation of preterm infants may prevent serious morbidities associated with prematurity.Aim. To investigate the impact of probiotic supplementation on the gut microbiota and determine factors associated with detection of probiotic species in the infant gut.Hypothesis/Gap Statement. Probiotic supplementation increases the long-term colonization of probiotic species in the gut of preterm infants.Methodology. Longitudinal stool samples were collected from a cohort of very preterm infants participating in a blinded randomized controlled trial investigating the impact of probiotic supplementation (containing Bifidobacterium longum subsp. infantis BB-02, Bifidobacterium animalis subsp. lactis BB-12 and Streptococcus thermophilus TH-4) for prevention of late-onset sepsis. The presence of B. longum subsp. infantis, B. animalis subsp. lactis and S. thermophilus was determined for up to 23 months after supplementation ended using real-time PCR. Logistic regression was used to investigate the impact of probiotic supplementation on the presence of each species.Results. Detection of B. longum subsp. infantis [odds ratio (OR): 53.1; 95 % confidence interval (CI): 35.6-79.1; P < 0.001], B. animalis subsp. lactis (OR: 89.1; 95 % CI: 59.0-134.5; P < 0.001) and S. thermophilus (OR: 5.66; 95 % CI: 4.35-7.37; P < 0.001) was increased during the supplementation period in infants receiving probiotic supplementation. Post-supplementation, probiotic-supplemented infants had increased detection of B. longum subsp. infantis (OR: 2.53; 95 % CI: 1.64-3.90; P < 0.001) and B. animalis subsp. lactis (OR: 1.59; 95 % CI: 1.05-2.41; P=0.030). Commencing probiotic supplementation before 5 days from birth was associated with increased detection of the probiotic species over the study period (B. longum subsp. infantis, OR: 1.20; B. animalis subsp. lactis, OR: 1.28; S. thermophilus, OR: 1.45).Conclusion. Probiotic supplementation with B. longum subsp. infantis BB-02, B. animalis subsp. lactis BB-12 and S. thermophilus TH-4 enhances the presence of probiotic species in the gut microbiota of very preterm infants during and after supplementation. Commencing probiotic supplementation shortly after birth may be important for improving the long-term colonization of probiotic species.

Project description:BackgroundEndogenous glutamine biosynthesis may be insufficient to meet the needs of people with severe gastrointestinal disease. Results from studies using experimental animal models of gastrointestinal disease have suggested that glutamine supplementation improves clinical outcomes. This review examines evidence on the effect of glutamine supplementation in young infants with severe gastrointestinal disease.ObjectivesTo assess the effect of supplemental glutamine on mortality and morbidity in young infants with severe gastrointestinal disease.Search methodsWe searcheed the Cochrane Central Register of Controlled Trials (The Cochrane Library, 2014, Issue 8), MEDLINE, EMBASE, and CINAHL (from inception to September 2014), conference proceedings, and reference lists from previous reviews.Selection criteriaRandomised or quasi-randomised controlled trials that compared glutamine supplementation versus no glutamine supplementation in infants up to three months old (corrected for preterm birth if necessary) with severe gastrointestinal disease defined as a congenital or acquired gastrointestinal condition that is likely to necessitate providing parenteral nutrition for at least 24 hours.Data collection and analysisTwo review authors assessed trial eligibility and risk of bias and undertook data extraction independently. We analysed the treatment effects in the individual trials and reported the risk ratio (RR) and risk difference (RD) for dichotomous data and mean difference for continuous data, with 95% confidence intervals (CI). We used a fixed-effect model in meta-analyses and explored the potential causes of heterogeneity in sensitivity analyses.Main resultsWe found three trials in which a total of 274 infants participated. The trials were of good methodological quality but were too small to detect clinically important effects of glutamine supplementation. Meta-analyses did not reveal a statistically significant difference in the risk of death before hospital discharge (typical RR 0.79, 95% CI 0.19 to 3.20; typical RD -0.01, 95% CI -0.05 to 0.03) or in the rate of invasive infection (typical RR 1.37, 95% CI 0.89 to 2.11; typical RD 0.08, 95% CI -0.03 to 0.18]).Authors' conclusionsThe available data from randomised controlled trials do not suggest that glutamine supplementation has any important benefits for young infants with severe gastrointestinal disease.

Project description:BackgroundMalnutrition remains a significant concern in many societies. This study systematically reviewed the effects of probiotics, prebiotics, and synbiotics on anthropometric measures in malnourished children, focusing on changes in weight, height, and respiratory infections (primary outcomes), and head circumference, hemoglobin, hematocrit, and body mass index (BMI) as secondary outcomes.MethodsThis systematic review and meta-analysis involved searching various databases in both Persian and English, including Scopus, Web of Science Core Collection, Cochrane Library, Science Direct, and PubMed up to October 5, 2024. Non-randomized controlled trials (RCTs) were excluded. The Cochrane Handbook Risk of Bias Version 2 tool was used to assess risk of bias, and RevMan 5.3 software was employed for analysis. Subgroup analyses were conducted based on the type of supplement received. Meta-regression was applied to identify factors influencing results, and the GRADE approach was used to evaluate evidence certainty.ResultsTwelve studies with a total of 3,086 children (aged up to 6 years, equally distributed between boys and girls) were included. All children were malnourished without underlying illnesses. Limitations of the study included variations in intervention type, dose, duration, and timing of outcome measurement. Meta-analysis revealed that probiotics, prebiotics, and synbiotics may increase weight (6 trials, mean difference: 0.33 kg, 95% CI: 0.15 to 0.50, low certainty of evidence), while probiotics and synbiotics may increase height compared to control groups (5 trials, mean difference: 0.44 cm, 95% CI: 0.02 to 0.85, low certainty of evidence). However, probiotics and synbiotics did not show a statistically significant effect on lower respiratory tract infections (5 trials, risk ratio: 0.84, 95% CI: 0.68 to 1.04, moderate certainty of evidence). Meta-regression indicated that intervention type, sample size, and follow-up duration were not significant moderators for outcomes related to weight, height, or respiratory infections.ConclusionThe current evidence suggests that probiotics, prebiotics, and synbiotics supplements may help manage malnutrition-related outcomes in malnourished children, but further research with stronger study designs is needed to confirm these findings due to the low certainty of evidence.

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Effects of probiotic and synbiotic supplementation on ponderal and linear growth in severely malnourished young infants in a randomized clinical trial.

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Effects of probiotic and synbiotic supplementation on ponderal and linear growth in severely malnourished young infants in a randomized clinical trial.

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