the Study of Persistent Organic Pollutants in Human Milk
1 other identifier
observational
50
1 country
1
Brief Summary
The study aims to recruit eligible participants and conduct interviews, collect human milk samples, and conduct laboratory analysis of persistent organic pollutants' levels in human milk samples.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Sep 2019
Typical duration for all trials
1 active site
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
First Submitted
Initial submission to the registry
September 23, 2019
CompletedFirst Posted
Study publicly available on registry
September 25, 2019
CompletedStudy Start
First participant enrolled
September 25, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 25, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
October 25, 2021
CompletedDecember 16, 2020
December 1, 2020
2 years
September 23, 2019
December 13, 2020
Conditions
Outcome Measures
Primary Outcomes (1)
Amount of persistent organic pollutants in breast milk
Approximately 30 types of persistent organic pollutants will be tested
2 years
Study Arms (1)
Mothers under 30
no intervention will be administered
Interventions
Eligibility Criteria
Fifty eligible participants (nursing mothers) will be identified during their postnatal visits at four selected Maternal Child Health Centres (MCHCs) of the Department of Health, representing four major regions in Hong Kong: Sai Ying Pun MCHC (Hong Kong Island); Kowloon City MCHC (Kowloon); Madam Yung Fung Shee MCHC (New Territories West); and Ma On Shan MCHC (New Territories East). If the recruitment is unsatisfactory in the above four centres, other MCHCs will be involved.
You may qualify if:
- Primiparae;
- years of age or below;
- Have normal pregnancy;
- Breastfeeding one infant only, and not multiple pregnancy;
- Resided in Hong Kong for at least 10 years immediately before the date of interview;
- Available for sample collection within 3 to 8 weeks of delivery; and
- Both mother and child should be apparently healthy and free from any known infectious or other diseases (e.g. clinical hepatitis, AIDs, HIV).
You may not qualify if:
- participants with previously diagnosed major diseases such as hepatitis, AIDS and other such diseases shall be excluded from the study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Bonnie Kwok
Hong Kong, 000, Hong Kong
Biospecimen
Breast milk
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Lap Ah Tse
Chinese University of Hong Kong
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate professor
Study Record Dates
First Submitted
September 23, 2019
First Posted
September 25, 2019
Study Start
September 25, 2019
Primary Completion
September 25, 2021
Study Completion
October 25, 2021
Last Updated
December 16, 2020
Record last verified: 2020-12
Data Sharing
- IPD Sharing
- Will not share