NCT05160675

Brief Summary

The aim of the study is to establish the longitudinal microbiome and bone trajectories from birth to 3 years, and to evaluate the influence of nutrition on these trajectories.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
2,760

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Sep 2021

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

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 Start

First participant enrolled

September 3, 2021

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

October 13, 2021

Completed
2 months until next milestone

First Posted

Study publicly available on registry

December 16, 2021

Completed
3.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 8, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 8, 2025

Completed
Last Updated

November 28, 2025

Status Verified

November 1, 2025

Enrollment Period

4 years

First QC Date

October 13, 2021

Last Update Submit

November 26, 2025

Conditions

Outcome Measures

Primary Outcomes (6)

  • gut microbiome

    microbiome maturation index derived from microbial composition, bacteria function, metabolites

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • dietary factors

    derived from infant questionnaires

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • dietary factors

    derived from food diaries of the types of complementary feeding, the food consumption, the nutrient intakes, the food source of nutrients, the dietary patterns

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • bone development

    bone tibia speed of sounds (SOS) (meter / second) using ultrasound

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • bone health

    Bone tibia length using ruler (cm)

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • dietary intakes and health outcomes

    derived from infant questionnaires and their food diaries of the types of complementary feeding, the food consumption, the nutrient intakes, the food source of nutrients, the dietary patterns

    Group 1: 0-1 year, Group 2: 0.5-3 years

Secondary Outcomes (3)

  • Gut microbiome

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • Urinary markers of bone metabolism

    Group 1: 0-1 year, Group 2: 0.5-3 years

  • breast milk composition

    Group 1: 0-3 months

Study Arms (2)

Group 1

Group 1: 690 healthy infants and their mother followed from birth to 12 months

Group 2

Group 2: 690 healthy infants and their mother followed from 6 months to 3 years of age

Eligibility Criteria

Age0 Days - 6 Months
Sexall
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

Group 1: 690 healthy infants and their mother followed from birth to 12 months Group 2: 690 healthy infants and their mother followed from 6 months to 3 years of age

You may not qualify if:

  • Having obtained his/her parents' (or his/her legally accepted representative's \[LAR's\]) written informed consent and having evidence of personally signed and dated informed consent document indicating that the subject's parents/LAR have been informed of all pertinent aspects of the study.
  • Subject's parent(s)/LAR is of legal age of consent, is willing and able to fulfill the requirements of the study protocol.
  • For group 1, healthy infants aged ≤ 10 days after birth (date of birth = Day 0).
  • For group 2, healthy infants with maximum age of 6 months
  • Full-term gestational birth (≥ 37 and ≤ 42 weeks).
  • Subject's parent(s)/LAR is able to be contacted directly by telephone throughout the study.
  • Both parents registered have a fixed work and / or residence within their jurisdiction.
  • Complicated pregnancy (e.g., preeclampsia, gestational diabetes, bowel disease) as assessed by medical interview/ medical record when available
  • Infant's parents/LAR not willing and/or not able to comply with scheduled visits and the requirements of the study protocol
  • Currently participating or having participated in another clinical trial within 4 weeks prior to trial start.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tianjin Women and Children Health Center,

Tianjin, China

Location

Biospecimen

Retention: SAMPLES WITHOUT DNA

Fecal, urine sample of the infants, and breastmilk from the mothers

Study Officials

  • Gongshu Liu, Dr.

    Tianjin Women and Children Health Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 13, 2021

First Posted

December 16, 2021

Study Start

September 3, 2021

Primary Completion

September 8, 2025

Study Completion

September 8, 2025

Last Updated

November 28, 2025

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations