Bone Age of Chinese Child (BACC)
BACC
The National Survey on Bone Age of Child in China
1 other identifier
observational
20,166
1 country
1
Brief Summary
The bone age of the hand and wrist will be assessed with X-rays in more than 20,000 healthy children age 3-18 years old recruited in 28 sites from 14 province.The bone mineral density (BMD) will be measured as well.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Aug 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
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 26, 2019
CompletedFirst Submitted
Initial submission to the registry
December 11, 2019
CompletedFirst Posted
Study publicly available on registry
December 13, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 16, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
November 16, 2021
CompletedNovember 23, 2021
November 1, 2021
2.1 years
December 11, 2019
November 22, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
the bone age of the wrist and hand
The bone age assessed by radiologist with the hand and wrist X-ray
3 years
Secondary Outcomes (1)
bone mineral density (BMD)
3 years
Eligibility Criteria
As part of the "National Nutrition and Health Systematic Survey for 0-18 years old Children and Utilization of Survey Findings" (ChiCTR1900022825). This population is the subset of the ChiCTR1900022825 study, age 3-18 years old, sample proportion to the general study population. General healthy children age over 3 years old up to 18 years old from the kindergarden, primary school, middle school and high school.
You may qualify if:
- participants of ChiCTR1900022825 study
- healthy children age 3 to 18 years old.
- willing to participate this study
- Consent by parents
You may not qualify if:
- no consent by parents
- under 3 years old
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Beijing Jishuitan hospital
Beijing, Beijing Municipality, 100035, China
Study Officials
- PRINCIPAL INVESTIGATOR
xiaoguang cheng, MD
Beijing Jishuitan Hospital
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor, chairman of Radiology Department
Study Record Dates
First Submitted
December 11, 2019
First Posted
December 13, 2019
Study Start
August 26, 2019
Primary Completion
October 16, 2021
Study Completion
November 16, 2021
Last Updated
November 23, 2021
Record last verified: 2021-11