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van CCT (UK)

van CCT (UK)

The effect of nutrition on growth, body composition and bone mineralization of late preterm infants.

- candidate number21861
- NTR NumberNTR5117
- ISRCTNISRCTN no longer applicable
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR25-mrt-2015
- Secondary IDsNL47957.029.14 / 2014.343 CCMO / MEC VU University Medical Center
- Public TitleThe effect of nutrition on growth, body composition and bone mineralization of late preterm infants.
- Scientific TitleThe effect of an isocaloric, protein- and mineral-enriched (‘postdischarge’) formula on growth, body composition and bone mineralization of late preterm infants.
- hypothesisLate preterm infants fed an isocaloric, protein- en mineral-enriched (‘postdischarge’) formula (PDF) from term age until 6 months corrected age will be equal in weight, length and head circumference compared to infants fed standard term formula at 6 months corrected age. We expect the group fed PDF to have a healthier body composition (more lean mass, less fat mass) and a similar or improved bone mineral content at 6 months corrected age.
- Healt Condition(s) or Problem(s) studiedPremature infants, Nutrition, Body composition
- Inclusion criteria- birth between 32 0/7 and 35 6/7 weeks gestation
- inclusion will only take place when written informed consent from both parents is obtained
- Exclusion criteria- gastro-intestinal surgery and disease known to influence growth (i.e. cystic fibrosis and severe gastro-oesophageal reflux);
- known presence of growth hormone, IGF-1 or other pituitary hormone deficiencies;
- concurrent therapies with substances known or suspected to be associated with alteration of growth (i.e. oral steroids);
- cardiac, renal, pulmonary and liver disease;
- chromosomal and/or genetic syndromes;
- known skeletal disease;
- severe illness.
- mec approval receivedyes
- multicenter trialyes
- randomisedyes
- masking/blindingDouble
- controlActive
- groupParallel
- Type2 or more arms, randomized
- Studytypeintervention
- planned startdate 1-apr-2015
- planned closingdate31-okt-2017
- Target number of participants300
- InterventionsAll participants will be fed human milk and/or the isocaloric, protein- and nutrient-enriched formula (‘Hero baby Prematuur 1’) from birth until term age (40 weeks gestational age). We decided to use one type of formula in this period to create a relatively comparable reference point at term age, before start of the intervention. The choice for the enriched formula is based on the assumption that late preterms like other preterms are in need of extra protein for both growth and neurodevelopment and extra minerals for bone mineralization. Whether this is still desirable after term age will be investigated within this study.
For formula fed infants our intervention consists of randomisation at term age to two different formula-groups, both used in standard care for (preterm) infants in the Netherlands. From term age until 6 months corrected age two formulas will be used;
- Standard term formula (TF / ‘Hero baby Standaard 1’)
- Isocaloric, protein- and mineral-enriched (‘postdischarge’) formula (PDF / ‘Hero baby Prematuur 1’)
The third group will consist of infants that receive (mostly) human milk (control group);
If daily intake consists of <75% human milk before term age, subjects will be randomized to one of the two formula groups at term age. Until term age, they will be fed PDF in addition. o Subjects that receive human milk until term age or beyond will in case of cessation (<75% of daily intake consists of human milk) be allocated to the standard term formula group in order to avoid heterogeneity of groups.
o Breast milk fortifier will be advised until term age (40 weeks gestational age).
- Primary outcome- Growth (weight, length, head circumference);
- Body composition (fat mass, lean mass)
- Secondary outcome- Cardiometabolic risk factors (insulin, glucose, triglycerides, cholesterol, blood pressure);
- bone mineralization (bone mineral density);
- endocrine parameters (IGF-I, IGF-II, IGF-BP3, FGF-23)
- Timepoints- within 7 days after birth
- around term age (40 weeks gestational age)
- 6 months corrected age
- ongoing: dietary diary + anthropometric measurements performed in between study visits
- Trial web site
- statusplanned
- Sponsor/Initiator VU University Medical Center
- Funding
(Source(s) of Monetary or Material Support)
VU University Medical Center
- Publications
- Brief summaryRationale: Preterm infants are at risk long term for adverse (metabolic) effects1, which may be explained by the “fetal origins hypothesis” and the “catch up growth hypothesis”. 2-4 Prematurity and excessive growth during early childhood are risk factors for the development of obesity, diabetes, hypertension and cardiovascular disease in later life. 3,5-10 Research mostly focuses on early preterm born children (<32 weeks gestational age). Limited research has been performed to look into the effects on late preterms (gestational age between 32 and 36 weeks) so far. Lapillonne et al. state that late preterms require special attention since they have unique and often unrecognized medical vulnerabilities and nutritional needs. 11,12 We think this assumption has yet to be supported by evidence so the specific needs can be further explored and specified. Research among preterms in general, aims at an optimal balance between sufficient growth on one side and risks associated with excessive (catch-up) growth and fat accumulation on the other side. 6,13,14 We hypothesize that an isocaloric, protein- and nutrient-enriched (‘postdischarge’) formula fed to late preterm infants will promote both growth and a favorable body composition and thereby diminish the previously mentioned health risks. For SGA born children we expect this effect to be even more pronounced since both term and preterm SGA infants seem to benefit from nutrient enriched formula. 15,16 Male infants seem to profit most from PDF feeding. 17 With stratification at randomisation for both gender and being SGA or not, we hope to give more insight in those differences.
Objective: The main objective is to compare growth and body composition of late preterm infants at 6 months corrected age, fed either an isocaloric, protein- and mineral-enriched (‘postdischarge’) formula (PDF) or standard term formula (TF) between term age and 6 months corrected age. The secondary objective is to compare cardio-metabolic risk factors, bone mineral content and endocrine parameters. Furthermore, we will compare the formula fed infants to the infants fed human milk.
Study design: Double-blinded randomized controlled multicenter trial (VUmc and affiliated clinics). Study population: 200 late preterm infants with a gestational age at birth between 32 0/7 and 35 6/7 weeks and born appropriate for gestational age (birth weight between 10th and 90th percentile; p10-p90), small for gestational age (birth weight p90) will be included for randomisation. In addition a maximum of 100 human milk fed infants will be included as a control group.
Intervention: All infants will be fed PDF from birth to term age (unless they receive human milk). At term age, formula fed infants are randomized to PDF or TF and are fed this diet until six months corrected age. Stratification for gender and birth weight (p10) will be performed.
Main study parameters: Weight, length, head circumference, body composition and bone mineral content.
Nature and extent of the burden and risks associated with participation, benefit and group relatedness: In the first week after birth a blood sample (3.0ml) will be taken, either together with a routine clinical venepuncture or with placement of an IV-cannula for parenteral nutrition. Subjects will visit the outpatient clinic of the VU University medical center twice (around term age and corrected age 6 months). At both visits anthropometry, measurement of body composition in the PEA POD and a whole body DEXA-scan will be performed and a blood sample (4.2ml) will be taken. One home visit around age three months to deliver formula and collect growth data. During the period from discharge until 6 months, parents will keep a diary of the nutritional intake of their child.
- Main changes (audit trail)
- RECORD25-mrt-2015 - 26-apr-2015

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