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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT04400396
Other study ID # CHULC.CI512.2020
Secondary ID
Status Enrolling by invitation
Phase
First received
Last updated
Start date February 1, 2020
Est. completion date December 16, 2021

Study information

Verified date June 2020
Source Centro Hospitalar de Lisboa Central
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

It is reported that the standard method for fortification of human milk (HM) overestimates the energy and protein densities of HM (Macedo MHNP 2018), thus originating infant undernutrition (Macedo AJP 2018). The target fortification, based on analysis of HM composition, is considered the gold-standard method (Rochow 2015, McLeod 2016). This observational mixed cohort study aims to assess if very preterm infants fed HM with target fortification have greater growth during hospital stay and better body composition at term post-menstrual age (PMA), than those fed HM with standard fortification.


Description:

Study design: observational mixed cohort study, comparing growth and body composition in a contemporary cohort of very preterm infants fed HM with target fortification, the currently adopted clinical practice, with a historical cohort of very preterm infants fed HM with standard fortification (Macedo AJP 2018).

Study periods: historical cohort from 1 February 2014 to 28 February 2015; contemporary cohort: start February 2020, estimated recruitment period of 16 months; Settings: Neonatal Care Unit (NICU) and Human Milk Bank at Maternidade Dr. Alfredo da Costa and Nutrition Laboratory at Hospital Dona Estefânia, Centro Hospitalar Universitário de Lisboa Central.

Product to be analyzed: HM, including mother's own milk (MOM) and donor's milk (DHM). Donor HM is pasteurized using the Holder method (Peila 2016) which is adopted by the Human Milk Bank of Maternidade Dr. Alfredo da Costa (Macedo MHNP 2018).

Demographic variables: Gestational age, sex, singleton or twin, birth weight, small-, appropriate- or large-for-gestational age (<3rd percentile, ≥3rd percentile and ≤97th percentile, >97th percentile, respectively) (Fenton 2013), severity index (SNAPPE II) (Richardson 2001), use of prenatal corticosteroids, diagnosis of late sepsis (Modi 2009), necrotizing enterocolitis (grade ≥ 3) (Bell 1971), intraperiventricular hemorrhage (grade ≥ 3) (Papile 1978), multicystic periventricular leukomalacia (de Vries 1992), and chronic lung disease (Becker 1984).

Method of collection and analysis of HM: as described in a previous study (Macedo MHNP 2018), in order to minimize daily variability of breast milk composition, mothers are asked to save milk collected through 24 hours in the same container. The HM composition (MOM and DHM) are analyzed using the Miris human milk analyzer (Miris AB, Uppsala, Sweden), following the method described in a previous study (Macedo MHNP 2018). The composition is expressed in densities: Kcal/dL of energy and g/dl of fat, raw and true protein, carbohydrates and ashes.

Energy and macronutrient composition of the multi-component HM fortifier and modular protein and fat supplements. For this purpose, an Excel program to calculate modular protein and fat supplements to be added to fortified HM was developed and registered (Nona R, Cardoso M, Portuguese Directorate of Intellectual Property Services, IGAC-DSPI, nº 480/2020, 26 February 2020).

Daily intakes of energy (Kcal/kg), protein (g/kg) and protein:energy ratio (P:E), based on administered volume of milk (ml/kg).

Anthropometric and body composition measurements in infants: According to the previously described method (Macedo AJP 2018), during the hospital stay, the same observer (MMC) measures daily the body weight (allowing the calculation of weight gain velocity), and weekly the length and the head circumference. Within the first week after discharge, body composition will be assessed using displacement plethysmography, to evaluate fat mass (FM), fat free mass (FFM), percentage of FM (%FM), percentage of FFM (%FFM) and FM index (FMI), as described in a previous study (Macedo AJP 2018). Both FMI and %FM are used as indicators of adiposity.

Estimate of sample size: The study sample size was calculated to detect a difference of 2 g/kg/day in growth velocity with a standard deviation 2.6 (Macedo, 2018; Tremblay, 2017) for normally distributed variables, a significance level of 0.05, and an 80% power; thus, a required sample of 67 infants (n1=33; n2+20%=34) was estimated.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 80
Est. completion date December 16, 2021
Est. primary completion date June 30, 2021
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- newborn infants born at <33 weeks of gestation,

- admitted to the NICU of Maternidade Dr. Alfredo da Costa (inborns and outborns),

- exclusively or predominantly HM fed (>87.5% volume per day)

- discharged alive.

Exclusion Criteria:

- multiples of grade >2

- diagnosis of innate metabolism disorder,

- fed with formula for >12.5% of the daily volume intake for two or more consecutive full days ,

- discharge with transference to other hospital,

- unavailable for body composition analysis after discharge.

Study Design


Intervention

Dietary Supplement:
standard HM fortification
Based on the assumed energy and macronutrient composition of HM, the commercial multi-component HM fortifier was added, in order to compensate identified nutritional deficits.
target HM fortification
Based on the measured energy and macronutrient composition of HM, modular protein and fat supplements are added, in addition to the commercial multi-component HM fortifier, in order to correct identified specific nutritional deficits. For this purpose, an Excel program to calculate modular protein and fat supplements to be added to fortified HM was developed and registered (Nona R, Cardoso M, Portuguese Directorate of Intellectual Property Services, IGAC-DSPI, nº 480/2020, 26 February 2020)

Locations

Country Name City State
Portugal Centro Hospitalar Universitário de Lisboa Central Lisboa

Sponsors (2)

Lead Sponsor Collaborator
Centro Hospitalar de Lisboa Central Sociedade Portuguesa de Neonatologia

Country where clinical trial is conducted

Portugal, 

References & Publications (8)

Henriksen C, Westerberg AC, Rønnestad A, Nakstad B, Veierød MB, Drevon CA, Iversen PO. Growth and nutrient intake among very-low-birth-weight infants fed fortified human milk during hospitalisation. Br J Nutr. 2009 Oct;102(8):1179-86. doi: 10.1017/S000711 — View Citation

Maas C, Wiechers C, Bernhard W, Poets CF, Franz AR. Early feeding of fortified breast milk and in-hospital-growth in very premature infants: a retrospective cohort analysis. BMC Pediatr. 2013 Nov 4;13:178. doi: 10.1186/1471-2431-13-178. — View Citation

Macedo I, Pereira-da-Silva L, Cardoso M. Associations of Measured Protein and Energy Intakes with Growth and Adiposity in Human Milk-Fed Preterm Infants at Term Postmenstrual Age: A Cohort Study. Am J Perinatol. 2018 Jul;35(9):882-891. doi: 10.1055/s-0038 — View Citation

Macedo I, Pereira-da-Silva L, Cardoso M. The fortification method relying on assumed human milk composition overestimates the actual energy and macronutrient intakes in very preterm infants. Matern Health Neonatol Perinatol. 2018 Sep 17;4:22. doi: 10.1186/s40748-018-0090-4. eCollection 2018. — View Citation

McLeod G, Sherriff J, Hartmann PE, Nathan E, Geddes D, Simmer K. Comparing different methods of human breast milk fortification using measured v. assumed macronutrient composition to target reference growth: a randomised controlled trial. Br J Nutr. 2016 Feb 14;115(3):431-9. doi: 10.1017/S0007114515004614. Epub 2015 Dec 2. — View Citation

Morlacchi L, Mallardi D, Giannì ML, Roggero P, Amato O, Piemontese P, Consonni D, Mosca F. Is targeted fortification of human breast milk an optimal nutrition strategy for preterm infants? An interventional study. J Transl Med. 2016 Jul 1;14(1):195. doi: — View Citation

Polberger S. New approaches to optimizing early diets. Nestle Nutr Workshop Ser Pediatr Program. 2009;63:195-204; discussion 204-8, 259-68. doi: 10.1159/000209982. — View Citation

Rochow N, Landau-Crangle E, Fusch C. Challenges in breast milk fortification for preterm infants. Curr Opin Clin Nutr Metab Care. 2015 May;18(3):276-84. doi: 10.1097/MCO.0000000000000167. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary weight gain velocity rate average relative daily variation of body weight from baseline (the first day of exclusive or predominantly feeding with fortified human milk) up to 40 weeks postmenstrual age or to home discharge, whatever comes first
Primary length velocity rate average relative weekly variation of body length from baseline (the first day of exclusive or predominantly feeding with fortified human milk) up to 40 weeks postmenstrual age or to home discharge, whatever comes first
Primary head circumference velocity rate average relative weekly variation of head circumference from baseline (the first day of exclusive or predominantly feeding with fortified human milk) up to 40 weeks postmenstrual age or to home discharge, whatever comes first
Primary adiposity (fat mass index) ratio of fat mass over squared body length A single measurement performed up to 10 days after home discharge
Secondary adiposity (fat mass percentage) proportion of fat mass on total body mass A single measurement performed up to 10 days after home discharge
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