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BIG Study (Brain, Immune, and Gut Health Evaluation of Infants/Young Children Fed Infant Formula, and Later Supplemental Toddler Nutrition, With 5 Specific HMOs)

Infant Formula and Toddler Drink Feeding Intervention Through 24 Months of Age

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04957992
Enrollment
607
Registered
2021-07-12
Start date
2021-07-21
Completion date
2025-05-12
Last updated
2025-06-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Growth

Brief summary

The purpose of this study is to evaluate the growth and development outcomes of infants fed a new infant formula and toddler drink through 24 months of age.

Interventions

Ad libitum or as instructed by HCP, feeding period from enrollment to 12 months of age

\ 16 fl oz per day as primary milk beverage; feeding period from 12 to 24 months of age

Ad libitum or as instructed by HCP, feeding period from enrollment to 12 months of age

\ 16 fl oz per day as primary milk beverage; feeding period from 12 to 24 months of age

OTHERHuman Milk

Ad libitum or as instructed by HCP

OTHERHuman Milk Supplemental Formula

Ad libitum if consuming supplemented formula; feeding period up to 12 months of age

OTHERHuman Milk Toddler Drink

\ 16 fl oz per day if providing supplemental nutrition other than HM; feeding period from 12 to 24 months of age

Sponsors

Abbott Nutrition
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
0 Days to 14 Days
Healthy volunteers
Yes

Inclusion criteria

* Participant is judged to be in good health as determined from participant's medical history * Participant is a singleton from a full-term birth with a gestational age of 37 - 42 weeks by parent report * Participant's birth weight was ≥ 2490 g (\ 5 lbs. 8 oz.) * Parent(s) confirm their intention to feed their infant the study product as the sole source of feeding from Study Visit 1 to 6 months of age, and as the sole milk beverage during the first 12 months of life * Parent(s) confirm their intention to feed the infant the assigned toddler drink from 12 months of life to 24 months of life as the primary milk beverage * Parent(s) confirm their intention not to administer vitamin or mineral supplements,(except for vitamin D supplements if instructed by their healthcare professional) from enrollment through the duration of the study * Parent(s) confirm their intention not to administer solid foods or juices to the infant from enrollment through 6 months of age unless recommended by the participant's HCP * Participant's parent(s) has voluntarily signed and dated an informed consent form (ICF), approved by an Institutional Review Board/Independent Ethics Committee (IRB/IEC) and provided Health Insurance Portability and Accountability Act (HIPAA) (or other applicable privacy regulation) authorization prior to any participation in the study * If parent(s) elect to feed the participant human milk, they confirm that their infant was fed human milk since birth and confirm their intention to exclusively feed human milk as the sole source of feeding through 6 months of age. * If parent(s) of human milk fed participant elect to supplement or wean, they confirm their intention to use the experimental supplemental/weaning formula and experimental toddler drink as the primary milk beverage.

Exclusion criteria

* An adverse maternal, fetal or participant medical history that is thought by the investigator to have potential for effects on tolerance, growth, and/or development * Awareness of a positive drug screen (including but not limited to cocaine, heroin, or methamphetamine) in the mother or participant * Suspected maternal substance abuse including alcohol * Participant is taking and plans to continue medications (including over the counter (OTC), such as Mylicon® for gas), home remedies (such as juice for constipation), herbal preparations, prebiotics or probiotics, or rehydration fluids that might affect GI tolerance * Participant is in another study that has not been approved as a concomitant study by AN * Participant has been treated with antibiotics (except for topical antibiotics, eye drops) prior to enrollment * Participant has been treated with other medications (besides antibiotics) that in the opinion of the PI may affect growth, GI tolerance and/or development, prior to enrollment

Design outcomes

Primary

MeasureTime frameDescription
GrowthStudy Day 1 to 6 Months of Ageweight for age z-score

Secondary

MeasureTime frameDescription
Number of respiratory infection episodes between study groupsStudy Day 1 to 24 Months of AgeAdverse event reports
Incidence of infection morbidity between study groupsStudy Day 1 to 24 Months of AgeAdverse event reports
Number of episodes of infection morbidity between study groupsStudy Day 1 to 24 Months of AgeAdverse event reports
Incidence of respiratory infection between study groupsStudy Day 1 to 24 Months of AgeAdverse event reports
LengthStudy Day 1 to 24 Months of AgeInterval length gain per day
Head CircumferenceStudy Day 1 to 24 Months of AgeInterval head circumference gain per day
Gastrointestinal ToleranceStudy Day 1 to 12 months of AgeParent completed diary
WeightStudy Day 1 to 24 Months of AgeInterval weight gain per day

Other

MeasureTime frameDescription
Modified Home Short Form6 Months of Age to 24 Months of Age]Parent completed questionnaire; 8 questions related to the home environment adapted from the HSF compared between groups
MedicationsStudy Day 1 to 24 Months of AgeMedication usage including frequency and reason for use
Adverse EventsStudy Day 1 to 24 Months of AgeParent reported adverse events
Formula Satisfaction Questionnaire28 Days of Age to 6 Months of AgeParent completed questionnaire; 12 questions with 5-point Likert scale questions scaled from positive to negative
Missed Parental Work DaysStudy Day 1 to 24 Months of AgeParent reported number of days
Blood Collection6 and 24 Months of AgeBlood Immune Markers; Subset of subjects
Health Resource UtilizationStudy Day 1 to 24 Months of AgeNumber of visits
Toddler Drink Satisfaction Questionnaire18 Months of Age to 24 Months of AgeParent completed questionnaire; 12 questions with 5-point Likert scale questions scaled from positive to negative
Infant Feeding and Stool Patterns Questionnaire28 Days of Age to 119 Days of Age]Parent completed questionnaire; 16, 5-point Likert scale questions, scaled from Always to Never
Infant and Toddler Behavior Questionnaire119 Days of AgeParent completed questionnaire; 22 questions with 5-point Likert scale questions, scaled from Always to Never
Product IntakeStudy Day 1 to 24 Months of AgeParent completed intake diary
Dietary Intake6 Months of Age to 24 Months of AgeParent completed 24-hour recall
Stool SampleStudy Day 1 to 24 Months of AgeMicrobiota characterization; Subset of subjects
Bayley™-4 Scale of Infant & Toddler Development IV12 Months of Age to 24 Months of AgeExaminer rated assessment; Scores are totaled and compared to normative age group data and between groups; Subset of subjects
MacArthur Communicative Developmental Inventory (CDI)/Words and Gestures and CDI)/Words and Sentences12 Months of Age to 24 Months of AgeParent completed questionnaire of Words and Gestures and Words and Sentences; Percentiles compared to normative group data and between groups

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026