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Development of a new immunochemistry method using antibodies of proteins related bile duct cancer in the bile duct cancer cell; pilot study

Development of a new immunochemistry method using antibodies of aminoacyl-tRNA synthetases group and aminoacyl-tRNA synthetases-interacting multifunctional protein2 lacking exon 2 in the bile duct cancer cell; pilot study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0003285
Enrollment
100
Registered
2018-10-25
Start date
2016-12-29
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University Health System, Gangnam Severance Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients with biliary cancer confirmed by imaging (CT, MRI, PET-CT) 2. Patients with bile duct cancer diagnised using brushing cytology by endoscopic retrograde pancreaticoduodenoscopy 3. Patients who underwent surgical treatment with biliary cancer 4. Patients with extrahepatic bile duct stenosis

Exclusion criteria

Exclusion criteria: 1. Minors under the age of 19, vulnerable subjects such as illiteracy 2. Excludes necrotic specimens

Design outcomes

Primary

MeasureTime frame
Comparison of differentiation power between conventional staining method and new staining by degree of expression in new immunochemistry staining using antibodies of aminoacyl-tRNA synthetases group and aminoacyl-tRNA synthetases-interacting multifunctional protein2 lacking exon 2 in the bile duct cancer cell and normal bile duct tissue—

Secondary

MeasureTime frame
Efficacy of staining method(the sensitivity, specificity, accuracy, positive predictive value and negative predictive value)—

Countries

Korea, Republic of

Contacts

Public ContactSung Ill Jang

Yonsei University Health System, Gangnam Severance Hospital

aerojsi88@gmail.com+82-2-2019-3580

Outcome results

None listed

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