In this proposed clinical trial, the investigators will randomize 80 very preterm (VPT) infants to receive either early (between day 4 and 7) or delayed (between day 10 and 14) fortification and determine if providing early protein supplementation through early fortification results in higher FFM-for-age z scores and more diversity in the gut microbiome.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
80
Mom's milk or donor milk will be fortified between postnatal day 4 and 7
Mom's milk or donor milk will be fortified between postnatal day 10 and 14
University of Alabama at Birmingham
Birmingham, Alabama, United States
Fat-free mass(FFM)-for-age Z-score
Estimated by air displacement plethysmography
Time frame: Postnatal day 14 to 21
Fecal microbiome composition
Determined by 16S RNA sequencing of bacteria in stool samples
Time frame: Birth to 36 weeks postmenstrual age
Growth - Weight
Measured weekly in grams and z scores as part of routine care
Time frame: Birth to 36 weeks postmenstrual age or hospital discharge
Growth - Length
Measured weekly in cm and z scores as part of routine care
Time frame: Birth to 36 weeks postmenstrual age or hospital discharge
Growth - Head circumference
Measured weekly in cm and z scores as part of routine care
Time frame: Birth to 36 weeks postmenstrual age or hospital discharge
Growth rate
Weight gain in g/kg/day
Time frame: Birth to 36 weeks postmenstrual age or hospital discharge
Number of participants with postnatal growth faltering
Diagnosis of growth faltering (decline in weight-for-age z score from birth to 36 weeks postmenstrual age greater than 1.2
Time frame: Birth to 36 weeks postmenstrual age or hospital discharge
Number of participants with diagnosis of necrotizing enterocolitis
Diagnosis of necrotizing enterocolitis stage 2 or 3
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Time frame: Birth to 60 days or discharge
Number of participants with diagnosis of intestinal perforation
Diagnosis of intestinal perforation
Time frame: Birth to 10 days
Death
Death prior to postnatal day 60
Time frame: Birth to 60 days
Duration of hospital stay in days
From day of admission to day of hospital discharge to home
Time frame: Birth to 60 days or discharge, whichever occurs first