NCT07054216

Brief Summary

The BABIES II study is a single-center, randomized, double-blinded, placebo-controlled study in newborns with an 8½ months intervention period from 14 days of age to 9 months of age followed by a 3-months short-term follow-up period until 1 year of age and a possible long-term follow-up until 18 years of age. The study will evaluate the effect of supplementation with a probiotic strain on different health outcomes.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
378

participants targeted

Target at P75+ for not_applicable

Timeline
26mo left

Started Aug 2025

Typical duration for not_applicable

Geographic Reach
1 country

2 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress25%
Aug 2025Jul 2028

First Submitted

Initial submission to the registry

June 13, 2025

Completed
25 days until next milestone

First Posted

Study publicly available on registry

July 8, 2025

Completed
2 months until next milestone

Study Start

First participant enrolled

August 25, 2025

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2027

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2028

Last Updated

August 28, 2025

Status Verified

August 1, 2025

Enrollment Period

2.4 years

First QC Date

June 13, 2025

Last Update Submit

August 27, 2025

Conditions

Keywords

InfantGastrointestinal MicrobiomeDiet, Food, and Nutrition

Outcome Measures

Primary Outcomes (1)

  • Total abundance of Bifidobacteria

    Abundance of Bifidobacteria in infant fecal samples by quantitative PCR

    At 3 months of age

Secondary Outcomes (3)

  • Infant fecal pH

    Birth (first stool after meconium), 2 weeks, 1 month, 2 months, 3 months, 4 months, 5 months, 6 months, 9 months, and 1 year

  • Infant gut microbiome composition

    Birth (first stool after meconium), 2 weeks, 1 month, 2 months, 3 months, 4 months, 5 months, 6 months, 9 months, and 1 year

  • Proportion of infants with hard or very hard stool consistency

    4 months, 5 months, 6 months

Other Outcomes (8)

  • Infant gut metabolome composition

    Birth (first stool after meconium), 2 weeks, 1 month, 2 months, 3 months, 4 months, 5 months, 6 months, 9 months, and 1 year

  • Quantity of metabolites in infant fecal samples

    Birth (first stool after meconium), 2 weeks, 1 month, 2 months, 3 months, 4 months, 5 months, 6 months, 9 months, and 1 year

  • Infant Whole Gut Transit Time

    9 months and 1 year

  • +5 more other outcomes

Study Arms (2)

Probiotic

ACTIVE COMPARATOR

Probiotic Dietary supplement

Other: Probiotic

Placebo

PLACEBO COMPARATOR

Identical looking placebo consisting of maltodextrin

Dietary Supplement: Placebo

Interventions

Given daily from 14 days of age until 9 months of age

Probiotic
PlaceboDIETARY_SUPPLEMENT

Given daily from 14 days of age until 9 months of age

Placebo

Eligibility Criteria

Age0 Days - 1 Day
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Pregnant person above 18 years of age in gestational week 36+0-38+0 (at Visit 0)
  • Singleton pregnancy
  • Ability to read and speak Danish
  • Plan to breastfeed
  • Provided voluntary written informed consent.
  • Born at full-term ≥37+0
  • Birth weight ≥ 2500 g
  • APGAR score of ≥ 7 within the first 5 min of life.

You may not qualify if:

  • Pregnancy at 38 weeks + 0 or later at the time of recruitment
  • Pregnancy with significant fetal abnormality at ultrasound scan of the fetus at gestational age 19-20 weeks
  • Alcohol or drug abuse
  • Plan to give birth at other hospitals than Copenhagen University Hospital Hvidovre
  • Pregnant person with any contraindications for breastfeeding.
  • Congenital disorders that could affect their safety or the study outcome
  • Admission to Neonatal Intensive Care Unit for more than 24 hours
  • Participation in another clinical intervention study which can interfere with this probiotic intervention
  • Probiotics other than the study product.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Hvidovre Hospital

Hvidovre, Region Sjælland, 2650, Denmark

RECRUITING

Center for Klinisk Mikrobiom Forskning, Gastroenheden og Klinisk Mikrobiologisk Afdeling

Hvidovre, 2650, Denmark

NOT YET RECRUITING

MeSH Terms

Interventions

Probiotics

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Andreas Munk Petersen, MD, PhD, DMSc

    Center for Klinisk Mikrobiom Forskning, Gastroenheden og Klinisk Mikrobiologisk Afdeling, Hvidovre Hospital

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Sofie Ingdam Halkjær, MSc, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Participant, Care Provider, Investigator, Outcomes Assessor
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: A randomized, controlled trial in term newborns with an 8½ months intervention period from 14 days of age until 9 months of age followed by a 3 months short-term follow-up period until 1 year of age and a long-term follow-up until 18 years of age
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor Andreas Munk Petersen, MD, PhD, DMSc

Study Record Dates

First Submitted

June 13, 2025

First Posted

July 8, 2025

Study Start

August 25, 2025

Primary Completion (Estimated)

December 31, 2027

Study Completion (Estimated)

July 1, 2028

Last Updated

August 28, 2025

Record last verified: 2025-08

Data Sharing

IPD Sharing
Will not share

Locations