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Twins Born in Guangzhou

Study acronym: 2-BIG
StatusRecruiting
PhaseNot specified
Started
View on ClinicalTrials.gov ↗
Record status
This record was last updated February 26, 2024 (before its estimated December 31, 2025 completion). Its status may not reflect the trial's current state.

Record History

  1. Primary completion date: Dec 31, 2023 to Dec 31, 2025v6
  2. Re-verified, no change to tracked fieldsv5
  3. Primary completion date: Dec 31, 2020 to Dec 31, 2023v4
  4. Primary completion date: Dec 31, 2019 to Dec 31, 2020v3
  5. Re-verified, no change to tracked fieldsv2
  6. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
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.
Trial Details
NCT Number NCT03331133
Lead Sponsor Guangzhou Women and Children's Medical Center
Conditions
(from sponsor)		 Twin Diseases, Immune Development, Childhood Obesity, Host and Microbiome, Neurodevelopment
Related terms Diseases in Twins, Pediatric Obesity
Enrollment 1,000 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov