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      Real-world study in infants fed with an infant formula with two human milk oligosaccharides Translated title: Estudio en condiciones reales de lactantes alimentados con una fórmula infantil con dos oligosacáridos de leche humana

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          Abstract

          Abstract Introduction: human milk oligosaccharides (HMOs) are an important component of human milk supporting the development of a balanced intestinal microbiota and immune protection in breastfed infants. Randomized controlled trials (RCTs) have demonstrated that infant formulas supplemented with the HMOs 2’-fucosyllactose (2’FL) and lacto-N-neotetraose (LNnT) are safe, well-tolerated, and support normal growth. This Real-World Evidence (RWE) study aimed to evaluate growth and tolerance in infants consuming a formula supplemented with 1 g/L of 2’FL and 0.5 g/L of LNnT, and included a mixed-feeding group never studied before in RCTs. Participants and methods: this open-label, prospective study was conducted at six centers in Spain, and included healthy, exclusively breastfed infants (BF group), an exclusively formula-fed group (FF) who received a milk-based formula with 2’ FL and LNnT, and a group mixed fed with both formula and human milk (MF), for 8 weeks. Co-primary outcomes were growth (anthropometry) and gastrointestinal tolerance (Infant Gastrointestinal Symptom Questionnaire, IGSQ). Secondary outcomes included formula satisfaction and adverse events (AEs). Results: 159 infants completed the study (66 FF, 48 MF, and 45 BF). Mean z-scores for growth were similar between all groups and within ± 0.5 of WHO medians at week 8. Composite IGSQ scores demonstrated low GI distress in all groups, with no significant group differences at baseline, week 4, or week 8. Incidence of AEs was low overall, and comparable across groups. Conclusions: in this RWE study examining a HMO-supplemented infant formula, growth and tolerance outcomes were similar to RCT findings, supporting the effectiveness of this early feeding option.

          Translated abstract

          Resumen Introducción: los oligosacáridos de la leche materna (HMO) contribuyen a desarrollar la inmunoprotección y la microbiota intestinal. Los ensayos aleatorizados (RCT) han demostrado que las fórmulas enriquecidas con 2’fucosilactosa (2’FL) y lacto-N-neotetraosa (LNnT) son seguras, bien toleradas y favorecen el crecimiento. El objetivo de este estudio ha sido valorar el crecimiento, la seguridad y la tolerancia digestiva en lactantes alimentados con una fórmula enriquecida con 1 g/L de 2’FL y 0,5 g/L de LNnT, con datos de la vida real (RWE), incluyendo un grupo de alimentación mixta no estudiado antes en los RCT. Participantes y métodos: estudio prospectivo abierto en seis hospitales españoles que incluyó lactantes sanos alimentados con leche materna (BF), con fórmula enriquecida en 2’FL y LNnT (FF) o con mezcla de ambas (MF), durante ocho semanas. Se valoraron el crecimiento (antropometría), la tolerancia gastrointestinal (cuestionario IGSQ) y los acontecimientos adversos. Resultados: 159 lactantes completaron el estudio (66, 48 y 45, en los grupos FF, MF y BF, respectivamente). Las puntuaciones Z antropométricas a la semana 8 fueron similares entre los grupos y se hallaron dentro del rango de ± 0,5 de la normalidad. Las puntuaciones IGSQ compuestas mostraron un bajo malestar digestivo, sin diferencias significativas entre los grupos, al inicio y en las semanas 4 y 8. La incidencia de eventos adversos fue baja y comparable entre los grupos. Conclusiones: en este estudio RWE que evaluó una fórmula para lactantes enriquecida en HMO, los resultados sobre el crecimiento, la tolerancia y la seguridad fueron similares a los obtenidos en los RCT, respaldando su eficacia como alimentación temprana opcional.

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          Author and article information

          Journal
          nh
          Nutrición Hospitalaria
          Nutr. Hosp.
          Grupo Arán (Madrid, Madrid, Spain )
          0212-1611
          1699-5198
          August 2020
          : 37
          : 4
          : 698-706
          Affiliations
          [3] Las Palmas orgnameHospital Vitha Santa Catalina orgdiv1Pediatrics Department orgdiv2Pediatrics and Neonatology Unit Spain
          [9] Vevey orgnameNestlé Nutrition orgdiv1Nestlé Product Technology Center Switzerland
          [10] Vevey orgnameNestlé Nutrition orgdiv1Global Medical Affairs Switzerland
          [6] Barcelona orgnameHospital Universitario Quirón-Dexeus orgdiv1Pediatrics Department Spain
          [11] Barcelona orgnameNestlé orgdiv1Nutrición Infantil orgdiv2Medical & Scientific Affairs Spain
          [4] Seville orgnameGrupo Hispalense de Pediatría orgdiv1Pediatrics Department Spain
          [5] Valencia orgnameHospital Casa de la Salud orgdiv1Pediatrics Department Spain
          [2] Pamplona orgnameClínica Universidad de Navarra orgdiv1Pediatrics Department Spain
          [1] Madrid orgnameHospital Universitario Puerta de Hierro Majadahonda orgdiv1Pediatrics Department orgdiv2Gastroenterology and Nutrition Unit Spain
          [8] A Coruña orgnameHospital Maternal MH Belén orgdiv1Pediatrics Department Spain
          [7] Madrid orgnameHospital Rúber Internacional orgdiv1Pediatrics Department Spain
          Article
          S0212-16112020000500009 S0212-1611(20)03700400009
          10.20960/nh.03084
          32698596
          41ed95b9-6fba-4fc2-9aa5-982eeead6a79

          This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

          History
          : 16 March 2020
          : 11 June 2020
          Page count
          Figures: 0, Tables: 0, Equations: 0, References: 36, Pages: 9
          Product

          SciELO Spain

          Categories
          Original Papers

          Real-world,Growth,Gastrointestinal tolerance,Lacto-N-neotetraose,2′-fucosyllactose,Human milk oligosaccharides,Infant formula,Vida real,Crecimiento,Tolerancia gastrointestinal,Lacto-N-neotetraosa,2′fucosilactosa,Oligosacáridos de la leche materna,Fórmula para lactantes

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