A comparative study for the application of cytology and SpyGlass-guided biopsy in the differential diagnosis of benign and malignant biliary strictures

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000033827

Enrollment

Unknown

Registered

2020-06-14

Start date

2020-06-01

Completion date

Unknown

Last updated

2020-06-15

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

Conditions

Biliary strictures

Interventions

Gold Standard:Surgical pathological diagnosis and clinical follow-up

Index test:Spyglass-guided&#32

and&#32

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged between 18 and 80 years old; 2. Patients with the clinical diagnosis of biliary stricture; 3. Patients with no ERCP contraindications; 4. Patients who agreed to sign informed consent.

Exclusion criteria

Exclusion criteria: Pregnant and lactating patients

Design outcomes

Primary

Measure	Time frame
Sensitivity;Specificity;Positive predictive value;Negative predictive value;Accuracy;	—

Secondary

Measure	Time frame
Complications incidence;	—

Countries

China

Contacts

Public ContactLiang Zhu

The First Affiliated Hospital of Nanchang University

89493075@qq.com+86 15879084023

Outcome results

None listed

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