| NCT ID | NCT03331133 |
| Status | Recruiting |
| Phase | — |
| Sponsor | Guangzhou Women and Children's Medical Center |
| Condition | Twin Diseases |
| Study Type | OBSERVATIONAL |
| Enrollment | 1,000 participants |
| Start Date | 2012-02-01 |
| Primary Completion | 2025-12-31 |
Eligibility & Interventions
Eligibility Fast-Check
Enter your details for a quick preliminary check. This does not replace medical advice.
What to Expect as a Participant
This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.
This trial targets 1,000 participants in total. It began in 2012-02-01 with a primary completion date of 2025-12-31.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
The 2-BIG is a twin birth cohort study located in Guangzhou, China.Its initial aim is to facilitate research on understanding the interplay between genes and environmental factors on disease etiology. Data are collected regarding environmental, family and lifestyle exposures on twins from birth to 18 years old. Biological samples including blood and tissue samples are also collected from the twins and their parents.
Eligibility Criteria
Inclusion Criteria: 1. Live twins delivered in Guangzhou Women and Children's Medical Center 2. Permanent residents or families intended to remain in Guangzhou with their children for no less than 3 years 3. Baseline information during pregnancy available
Contact & Investigator
Xiu Qiu, PhD
PRINCIPAL INVESTIGATOR
Born in Guangzhou Cohort Study in Guangzhou Women and Children's Medical Center
Frequently Asked Questions
Who can join the NCT03331133 clinical trial?
This trial is open to participants of all sexes, up to 18 Years, studying Twin Diseases. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
Is NCT03331133 currently recruiting?
Yes, NCT03331133 is actively recruiting participants. Contact the research team at xiu.qiu@bigcs.org/qxiu0161@163.com for enrollment information.
Where is the NCT03331133 trial being conducted?
This trial is being conducted at Guangzhou, China.
Who is sponsoring the NCT03331133 clinical trial?
NCT03331133 is sponsored by Guangzhou Women and Children's Medical Center. The principal investigator is Xiu Qiu, PhD at Born in Guangzhou Cohort Study in Guangzhou Women and Children's Medical Center. The trial plans to enroll 1,000 participants.