Clinical trial · Observational
A Questionnaire Survey for Biliary Tract Cancers
A Questionnaire Survey Study for Establishment of Surveillance and Prevention Through the Analysis of Epidemiologic Risk Factors in Patients With Biliary Tract Cancers
NCT04731220CI-TRIAL-00049715unknownClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The purpose of this study is: * To evaluate risk factors for cancers of the biliary tract by registering new patients and their counterparts in a multi-center program * Development of programs by creating a multi-center biliary tract cancer registration system
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Biliary Tract Cancer | Malignant Biliary Tract Neoplasm | ALIAS | 0.90 |
Interventions
Interventions (0)
Data not yet available
No intervention recorded.
Design
Arms and outcomes
Arms (2)
- label
- Study group
- description
- Newly diagnosed as bile duct cancer
- label
- Control group
- description
- No history of cancer in previous 5 years
Primary outcomes (1)
- measure
- Number and percentage of cases and controls who complete each part of the study
- timeFrame
- 5 years
- description
- Information is obtained by a questionnaire, laboratory findings, image data, physiological parameter.
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Study population : * Newly diagnosis of biliary tract cancers - Pathological or Radiological or other clinical diagnosis of biliary tract cancers * Informed consent * Control : * with no previous cancer diagnosis * Informed consent Exclusion Criteria: * Previous diagnosis of bile duct cancer with resection operation, endoscopic resection, chemotherapy or radiation therapy * Prior diagnosis of other cancer in 5 years or ongoing cancer treatment * Patients' refusal
References
Publications (0)
Data not yet available
No reference posted for this study.