The Image Characteristics of Adult Appendix on Computed T... | NCT06712589

Studies
The Image Characteristics of Adult Appendix on Computed Tomography

NCT06712589

Sponsor

National Taiwan University Hospital

Status

Active, not recruiting

Last Update Posted

Dec 17, 2025Actual

Enrollment

2,000Estimated

Phase

Not provided

Conditions

Location of Appendix

Interventions

Not provided

Countries

Taiwan

Protocol Section

Identification Module Status Module Sponsor/Collaborators Module Oversight Module Description Module Conditions Module Design Module Arms/Interventions Module Outcomes Module Eligibility Module Contacts/Locations Module References Module IPD Sharing Statement Module

Results Section

Participant Flow Module Baseline Characteristics Module Outcome Measures Module Adverse Events Module More Info Module

Annotation Section

Annotation Module

Document Section

Large Document Module

Derived Section

Miscellaneous Info Module Condition Browse Module Intervention Browse Module

Protocol Section

Identification Module

NCT ID

Results Section

No data available

No data is available for this block.

Annotation Section

No data available

No data is available for this block.

Document Section

No data available

No data is available for this block.

Derived Section

Miscellaneous Info Module

Version Holder

Status Module

Record Verification Date

Dec 2025

Overall Recruitment Status or Expanded Access Status

Active, not recruiting

Last Known Status

Not provided

Delayed Posting

Not provided

Why Stopped

Not provided

Expanded Access Info

Start Date

Nov 1, 2024Actual

Primary Completion Date

Dec 31, 2026Estimated

Completion Date

Dec 31, 2026Estimated

First Submitted Date

Nov 26, 2024

First Submission Date that Met QC Criteria

Nov 26, 2024

First Posted Date

Dec 2, 2024Actual

Results Waived

Not provided

Results First Submitted Date

Not provided

Results First Submitted that Met QC Criteria

Not provided

Results First Posted Date

Not provided

Certification/Extension (aka Delayed Results) First Submitted Date

Not provided

Certification/Extension First Submitted that Passed QC Review

Not provided

Certification/Extension First Posted Date

Not provided

Last Update Submitted Date

Dec 15, 2025

Last Update Posted Date

Dec 17, 2025Actual

Oversight Module

Has Data Monitoring Committee (DMC)

Not provided

Is FDA Regulated Drug

Is FDA Regulated Device

Is Unapproved Device

Not provided

Pediatric Postmarket Surveillance of a Device Product

Not provided

Product Exported from US

Not provided

FDAAA801 Violation

Not provided

Description Module

Brief Summary

A retrospective analysis of CT images from adult patients who underwent scans for reasons unrelated to appendicitis. The study period will span from January 2010 to August 2024. Through this research, we hope to gain a comprehensive understanding of appendix positioning and compile definitive data on its most common locations.

Detailed Description

The investigators conducted a retrospective analysis of CT images from adult patients who underwent scans for reasons unrelated to appendicitis. The study period will span from January 2010 to August 2024. Through this research, we hope to gain a comprehensive understanding of appendix positioning and compile definitive data on its most common locations.

Design Module

Study Type

Observational

Number of References to an Expanded Access Study

Not provided

Expanded Access Types

Not provided

Patient Registry

Target Follow-Up Duration

Not provided

Phases

Not provided

Interventional Study Design

Allocation

Not provided

Intervention Model

Biospecimen

No data available

No data is available for this block.

Enrollment

2,000Estimated

Outcomes Module

Primary Outcomes

Measure	Description	Time Frame
Location of appendix	Analyze the location and categorize to seven groups: preileal, postileal,promontory, pelvic, subcecal, paracecal, retrocecal	1 day

Secondary Outcomes

Not provided

Other Outcomes

Not provided

Eligibility Module

Eligibility Criteria

Inclusion Criteria:

CT of patients without appendicitis

Exclusion Criteria:

CT of patients with appendicitis

Accepts Healthy Volunteers

Yes

Sex

All

Sex/Gender Based

Not provided

Sex/Gender Description

Not provided

Minimum Age

18 Years

Maximum Age

Not provided

Standard Ages

AdultOlder Adult

Study Population

The investigator analyze the location of the normal appendix.

Sampling Method

Non-Probability Sample

Contacts/Locations Module

Central Contacts

Not provided

Overall Officials

Name	Affiliation	Role
Wan-Ching Lien	NTUH	Principal Investigator

Locations

Facility	Status	City	State	ZIP	Country	Contacts
National Taiwan University Hospital		Taipei		100	Taiwan