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Effects of Oddi sphincterotomy on biliary microenvironment and formation of choledocholithiasis

Effects of Oddi sphincterotomy on biliary microenvironment and formation of choledocholithiasis

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000033940
Enrollment
Unknown
Registered
2020-06-18
Start date
2019-10-01
Completion date
Unknown
Last updated
2020-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

choledocholithiasis

Interventions

First ERCP:No intervention
Former EST group:No intervention
Health Control:No intervention

Sponsors

The First Medical Center, Chinese PLA General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: (1) choledocholithiasis proved by imaging (ultrasound, CT, MRCP, etc.); (2) choledocholithiasis further proved by ERCP; (3) without contraindications for ERCP treatment.

Exclusion criteria

Exclusion criteria: (1) Abdominal malignant tumor; (2) Congenital biliary tract malformation; (3) Cirrhosis; (4) Digestive tract reconstruction; (5) Patients with cholecystolithiasis or intrahepatic bile duct stones; (6) Less than 1 year after cholecystectomy.

Design outcomes

Primary

MeasureTime frame
Fecal microbiota 16S rRNA;Bile microbiota 16S rRNA;CBD microbiota 16S rRNA;Mucosal microbiota 16S rRNA;—

Countries

China

Contacts

Public ContactWen Li

The First Medical Center, Chinese PLA General Hospital

pladr301@sina.com+86 10 55499107

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 8, 2026