Actively Recruiting
Efficacy and Safety of Surgical Treatment for Type IVa CBD
Led by Beijing Tsinghua Chang Gung Hospital · Updated on 2025-07-17
1500
Participants Needed
1
Research Sites
519 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This study is a multicenter, bidirectional cohort study aimed at continuously enrolling patients with biliary dilatation from 25 medical centers in China. It will collect comprehensive life-cycle data from the cohort to establish a Chinese cohort for IVa biliary dilatation (BD). Based on this cohort, the study seeks to compare the perioperative risks, long-term outcomes, and quality of life of type IVa BD following surgical treatment, to establish standardized surgical treatment strategies for type IVa BD.
CONDITIONS
Official Title
Efficacy and Safety of Surgical Treatment for Type IVa CBD
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Patients who have been diagnosed with Todani type IVa BD.
- Patients aged between 0 and 80 years old, regardless of gender.
- First-time receipt of surgery.
You will not qualify if you...
- Abnormal intrapancreatic bile duct.
- Inappropriate Roux-loop length (outside 40-60 cm for adults and 15-30 cm for children).
- Non-relevant surgical interventions.
- Pathologically confirmed cancer.
- Unresolved choledocholithiasis, bile duct stenosis, or intrahepatic bile duct stones during the procedure.
- Unavailable follow-up information.
AI-Screening
AI-Powered Screening
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Trial Site Locations
Total: 1 location
1
Beijing Tsinghua Changgung Hospital
Beijing, Beijing Municipality, China, 102218
Actively Recruiting
Research Team
C
Changzhen Yang, MD
CONTACT
S
Shuo Jin, PhD
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
2
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