NCT03916354

Brief Summary

A prospective, multicenter, observational cohort study including about 550 mother-infant pairs in Beijing will be conducted to evaluate the association between mothers' gestational weight gain and the gut microbiota of them and their infants.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
550

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started May 2019

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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

April 12, 2019

Completed
4 days until next milestone

First Posted

Study publicly available on registry

April 16, 2019

Completed
21 days until next milestone

Study Start

First participant enrolled

May 7, 2019

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2020

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2021

Completed
Last Updated

May 21, 2020

Status Verified

May 1, 2020

Enrollment Period

1.7 years

First QC Date

April 12, 2019

Last Update Submit

May 21, 2020

Conditions

Outcome Measures

Primary Outcomes (2)

  • maternal gut microbiota, vaginal microbiota, oral microbiota

    The outcome will be measured at first, second and third trimester, as well as 42 days postpartum.

    From enrollment to 42 days postpartum

  • gut microbiota infants

    The outcome will be measured at seven specific time points after the babies delivered.

    From delivery to 1 year postpartum.

Study Arms (3)

appropriate GWG group

2009 IOM criteria recommended an appropriate range of weight gain during pregnancy and during each pregnant trimester according to BMI. The participants whose GWG value is in the recommended normal range is in this group.

excess GWG group

2009 IOM criteria recommended an appropriate range of weight gain during pregnancy and during each pregnant trimester according to BMI. The participants whose GWG value is over the upper limit of the recommended normal range is in this group.

insufficient GWG group

2009 IOM criteria recommended an appropriate range of weight gain during pregnancy and during each pregnant trimester according to BMI. The participants whose GWG value is below the lower limit of the recommended normal range is in this group.

Eligibility Criteria

Age20 Years - 45 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility Detailsonly pregnancies meet the criteria will be included in this study
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

About 550 pregnant women meeting the conditions will be recruited from April 2019 to December 2019 during their routine antenatal caer at the first visit.

You may qualify if:

  • Ensure a regular prenatal check in the clinical centers.
  • years old.
  • gestational weeks.
  • Singleton.
  • Fully understand and voluntarily sign the informed consent.

You may not qualify if:

  • IUI or IVF-ET pregnancy.
  • Smoking or drinking.
  • Antibiotics exposure within a month.
  • With metabolic syndrome, hypertension, diabetes or dyslipidemia before pregnancy.
  • With digestive disease, uncontrolled thyroid disease.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Peking Medical Univercity College Hospital

Beijing, Beijing Municipality, 100730, China

RECRUITING

MeSH Terms

Conditions

Gestational Weight Gain

Condition Hierarchy (Ancestors)

Weight GainBody Weight ChangesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Central Study Contacts

Liangkun Ma, doctor

CONTACT

Ying Tian, master

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
2 Years
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Deputy professor of obstetrics and gynecology

Study Record Dates

First Submitted

April 12, 2019

First Posted

April 16, 2019

Study Start

May 7, 2019

Primary Completion

December 31, 2020

Study Completion

December 31, 2021

Last Updated

May 21, 2020

Record last verified: 2020-05

Data Sharing

IPD Sharing
Will share

All data put together will only be shared by PUMCH and the company, but the article signature will be decided according contribution of the sub-centers.

Shared Documents
STUDY PROTOCOL, ICF, CSR
Time Frame
After finish the 2-year follow-up and the article of the whole data is received.
Access Criteria
Each sub-center complete their own task of enrollment and follow-up.

Locations