NCT04091282

Brief Summary

The use of antibiotics causes profound changes in the microbiota. However, the magnitude of the effect of intrapartum and early-life antibiotics on the breast milk and the infant oral and intestinal microbiota, and whether effects are only short-term or persist long-term remain uncertain and will be determined in this study.

Trial Health

57
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
400

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2020

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 28, 2019

Completed
19 days until next milestone

First Posted

Study publicly available on registry

September 16, 2019

Completed
4 months until next milestone

Study Start

First participant enrolled

January 25, 2020

Completed
5.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2025

Completed
Last Updated

April 11, 2024

Status Verified

April 1, 2024

Enrollment Period

5.9 years

First QC Date

August 28, 2019

Last Update Submit

April 10, 2024

Conditions

Keywords

MetagenomeInfants

Outcome Measures

Primary Outcomes (7)

  • Antibiotic-induced disruption of breast milk microbiota

    Composition of breast milk microbiota at birth and when infants are 7 days, 1, 2, 4, 6, 12 and 24 months of age.

    2 years

  • Antibiotic-Induced disruption the infant stool microbiota

    Composition of infant intestinal microbiota at birth and when infants are 7 days, 1, 2, 4, 6, 12 and 24 months of age.

    2 years

  • Maternal to infant microbiota transfer

    Similarities in the composition of the maternal intestinal, the breast milk microbiota and the infant intestinal microbiota, at 38 weeks of pregnancy, at birth and when infants are 7 days, 1, 2, 4 and 6 months of age.

    2 years

  • The composition of the intestinal microbiota and adverse health outcomes

    Abundance of certain microbes in the intestinal microbiota and number of episodes of lower respiratory tract infections until 2 years of age

    2 years

  • The composition of the intestinal microbiota and adverse health outcomes

    Abundance of certain microbes in the intestinal microbiota and number of episodes of acute otitis media episodes until 2 years of age

    2 years

  • The composition of the intestinal microbiota and adverse health outcomes

    Abundance of certain microbes in the intestinal microbiota and prevalence of allergic sensitisation (positive skin prick test) at 1 and 2 years of age

    2 years

  • The composition of the intestinal microbiota and adverse health outcomes

    Abundance of certain microbes in the intestinal microbiota and weight (in kg) at 1 and 2 years of age

    2 years

Secondary Outcomes (5)

  • Antibiotic-induced disruption of breast milk microbiota

    2 years

  • Antibiotic-Induced disruption the infant stool microbiota

    2 years

  • Introduction of different foods affects the composition of the intestinal microbiota

    2 years

  • Administration of oxygen affects the composition of the intestinal microbiota in infants

    2 years

  • Administration of antacids affect the composition of the infant intestinal microbiota

    2 years

Interventions

No intervention

Eligibility Criteria

Age1 Day - 2 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

Women who give birth at the Hôpital fribourgeois (HFR) in Fribourg, Switzerland and their infants.

You may qualify if:

  • healthy infants
  • term infants (\> 37 weeks of gestation)

You may not qualify if:

  • maternal HIV infection
  • maternal hepatitis B or C infection
  • antibiotics in the third trimester of pregnancy
  • intake of probiotics during pregnancy
  • infants with the low birth weight \<2500 g
  • infants with congenital abnormality

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hopital cantonal Fribourg

Fribourg, 1700, Switzerland

RECRUITING

Related Publications (1)

  • Volery M, Scherz V, Jakob W, Bandeira D, Deggim-Messmer V, Lauber-Biason A, Wildhaber J, Falquet L, Curtis N, Zimmermann P. Study protocol for the ABERRANT study: antibiotic-induced disruption of the maternal and infant microbiome and adverse health outcomes - a prospective cohort study among children born at term. BMJ Open. 2020 Jun 23;10(6):e036275. doi: 10.1136/bmjopen-2019-036275.

Biospecimen

Retention: SAMPLES WITHOUT DNA

Stool, oral swabs, breast milk, blood

Study Officials

  • Petra Zimmermann, MD, PhD

    Hopital Cantonal de Fribourg, Switzerland

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Petra Zimmermann, MD, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator

Study Record Dates

First Submitted

August 28, 2019

First Posted

September 16, 2019

Study Start

January 25, 2020

Primary Completion

December 30, 2025

Study Completion

December 30, 2025

Last Updated

April 11, 2024

Record last verified: 2024-04

Data Sharing

IPD Sharing
Will not share

Locations