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Lin A, Ali S, Arnold BF, Rahman MZ, Alauddin M, Grembi J, Mertens AN, Famida SL, Akther S, Hossen MS, Mutsuddi P, Shoab AK, Hussain Z, Rahman M, Unicomb L, Ashraf S, Naser AM, Parvez SM, Ercumen A, Benjamin-Chung J, Haque R, Ahmed T, Hossain MI, Choudhury N, Jannat K, Alauddin ST, Minchala SG, Cekovic R, Hubbard AE, Stewart CP, Dewey KG, Colford JM, Luby SP. Effects of Water, Sanitation, Handwashing, and Nutritional Interventions on Environmental Enteric Dysfunction in Young Children: A Cluster-randomized, Controlled Trial in Rural Bangladesh. Clin Infect Dis 2021; 70:738-747. [PMID: 30963177 DOI: 10.1093/cid/ciz291] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 04/04/2019] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND We hypothesized that drinking water, sanitation, handwashing (WSH), and nutritional interventions would improve environmental enteric dysfunction (EED), a potential contributor to stunting. METHODS Within a subsample of a cluster-randomized, controlled trial in rural Bangladesh, we enrolled pregnant women in 4 arms: control, WSH, child nutrition counseling plus lipid-based nutrient supplements (N), and nutrition plus WSH (N+WSH). Among the birth cohort, we measured biomarkers of gut inflammation (myeloperoxidase, neopterin), permeability (alpha-1-antitrypsin, lactulose, mannitol), and repair (regenerating gene 1β) at median ages 3, 14, and 28 months. Analysis was intention-to-treat. RESULTS We assessed 1512 children. At age 3 months, compared to controls, neopterin was reduced by nutrition (-0.21 log nmol/L; 95% confidence interval [CI], -.37, -.05) and N+WSH (-0.20 log nmol/L; 95% CI, -.34, -.06) interventions; similar reductions were observed at 14 months. At 3 months, all interventions reduced lactulose and mannitol (-0.60 to -0.69 log mmol/L). At 28 months, myeloperoxidase was elevated in the WSH and nutrition arms (0.23-0.27 log ng/mL) and lactulose was higher in the WSH arm (0.30 log mmol/L; 95% CI, .07, .53). CONCLUSIONS Reductions in permeability and inflammation at ages 3 and 14 months suggest that the interventions promoted healthy intestinal maturation; however, by 28 months, the WSH and nutrition arms showed elevated EED biomarkers. These results underscore the importance of developing a better understanding of EED pathophysiology and targeting interventions early in childhood, when they are likely to have the largest benefit to intestinal health. CLINICAL TRIALS REGISTRATION NCT01590095.
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Affiliation(s)
- Audrie Lin
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | - Shahjahan Ali
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Benjamin F Arnold
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | - Md Ziaur Rahman
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | | | - Jessica Grembi
- Division of Infectious Diseases and Geographic Medicine, Stanford University, California
| | - Andrew N Mertens
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | - Syeda L Famida
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Salma Akther
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Md Saheen Hossen
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Palash Mutsuddi
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Abul K Shoab
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Zahir Hussain
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Mahbubur Rahman
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Leanne Unicomb
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Sania Ashraf
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Abu Mohd Naser
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Sarker M Parvez
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Ayse Ercumen
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | - Jade Benjamin-Chung
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | - Rashidul Haque
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Tahmeed Ahmed
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Md Iqbal Hossain
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Nuzhat Choudhury
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Kaniz Jannat
- Infectious Diseases Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Sarah T Alauddin
- Department of Chemistry, Wagner College, Staten Island, New York
| | | | - Rabije Cekovic
- Department of Chemistry, Wagner College, Staten Island, New York
| | - Alan E Hubbard
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | | | | | - John M Colford
- Division of Epidemiology and Biostatistics, School of Public Health, University of California-Berkeley
| | - Stephen P Luby
- Division of Infectious Diseases and Geographic Medicine, Stanford University, California
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