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Construction and validation of a multimodal diagnostic model for the nature of bile duct strictures based ona clinical cohort

Construction and validation of a multimodal diagnostic model for the nature of bile duct strictures based ona clinical cohort

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2400094324
Enrollment
Unknown
Registered
2024-12-20
Start date
2024-12-23
Completion date
Unknown
Last updated
2025-01-06

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

Conditions

Biliary Stricture

Interventions

Gold Standard:1.Pathological diagnosis: endoscopic sampling (cells, tissue samples) or surgical sample sampling to obtain a pathological diagnosis of malignancy. 2.Clinical diagnosis: Patients with bi
Index test:Multimodal diagnostic model of bile duct stenosis

Sponsors

Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Age: 18-90 years old; 2. Diagnosis of bile duct stricture in Peking Union Medical College Hospital (by ultrasonic, CT, MRI, MRCP, or endoscopic diagnosis). 3. With endoscopic samples retained, including brush samples, biopsy samples, and bile specimens.

Exclusion criteria

Exclusion criteria: 1. The patient or family was unable to understand the conditions and objectives of the study. 2. Failure to make a definite diagnosis in our hospital and loss to follow-up.

Design outcomes

Primary

MeasureTime frame
Diagnostic accuracy;—

Secondary

MeasureTime frame
Diagnostic precision;Sensitivity;Specificity;—

Countries

China

Contacts

Public ContactYingyun Yang

Peking Union Medical College Hospital (PUMCH), Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC)

yangyingyun@pumch.com+86 185 1003 1805

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026