Location of AppendixNCT06712589
The Image Characteristics of Adult Appendix on Computed Tomography
An observational study of Location of Appendix, run by National Taiwan University Hospital at 1 site in Taiwan.
Trial 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… Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Location of Appendix
- How many people
- 2,000 participants
- Where
- 1 siteTaiwan
- Study dates
- 1 Nov 2024to 31 Dec 2026
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: The investigator analyze the location of the normal appendix.
Who may be able to join
- CT of patients without appendicitis
Who cannot join
- CT of patients with appendicitis
Trial locations and contacts
1 site in 1 country.
About this study
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.
Read the 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.
- Conditions
- Location of Appendix
What is being measured
The primary outcome is the main question the study is designed to answer.
Location of appendix
Analyze the location and categorize to seven groups: preileal, postileal,promontory, pelvic, subcecal, paracecal, retrocecal
Measured: 1 day
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Dec 2024
- Study start1 Nov 2024
- Primary completion31 Dec 2026 (estimated)
- Study completion31 Dec 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Location of AppendixStudies of the same condition, open and under way.
- More trials run by National Taiwan University HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Retrospective
- Enrolment
- 2,000 participants (estimated)
Sponsor and investigators
- Lead sponsor
- National Taiwan University Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Wan-Ching Lien, Principal investigator, NTUH
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06712589
- Sponsor's protocol ID
- 202410072RINB
- Status last verified
- Dec 2025
- First submitted
- 26 Nov 2024
- Last updated
- 17 Dec 2025
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 17 Dec 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Image Characteristics of Adult Appendix on Computed Tomography
- ClinicalTrials.gov ID
- NCT06712589
- Acronym / sponsor ID
- 202410072RINB
- Conditions
- Location of Appendix
- Study type
- Observational
- Recruitment status
- Active, not recruiting
- Enrolment
- 2,000 participants (estimated)
- Lead sponsor
- National Taiwan University HospitalUniversity, hospital or other
- Study start
- 1 Nov 2024 (actual)
- Primary completion
- 31 Dec 2026 (estimated)
- Study completion
- 31 Dec 2026 (estimated)
- First posted
- 2 Dec 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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.
Study design
- Observational model
- Cohort
- Time perspective
- Retrospective
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- The investigator analyze the location of the normal appendix.
Key inclusion criteria (1 listed)
- CT of patients without appendicitis
Key exclusion criteria (1 listed)
- CT of patients with appendicitis
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Location of appendix
Time frame: 1 day
Analyze the location and categorize to seven groups: preileal, postileal,promontory, pelvic, subcecal, paracecal, retrocecal
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 17 Dec 2025.
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Recruiting
Studying the PAGODA Algorithm for Chemotherapy Dose Changes to Prevent Unplanned Treatment Delays
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Active, not recruitingPhase 2
ICARuS Post-operative Intraperitoneal Chemotherapy (EPIC) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) After Optimal Cytoreductive Surgery (CRS) for Neoplasms of the Appendix, Colon or Rectum With Isolated Peritoneal Metastasis
Appendix Cancer, Colorectal Cancer
Active, not recruitingPhase 2
Atezolizumab and Bevacizumab in Treating Patients With Rare Solid Tumors
Appendix Adenocarcinoma, Human Papillomavirus-Related Anal Squamous Cell Carcinoma
RecruitingPhase 1
PIPAC for the Treatment of Peritoneal Carcinomatosis in Patients With Ovarian, Uterine, Appendiceal, Colorectal, or Gastric Cancer
Clinical Stage IV Gastric Cancer AJCC v8, Clinical Stage IVA Gastric Cancer AJCC v8
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Wan-Ching Lien principal investigator
NTUH
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Location of Appendix, run by National Taiwan University Hospital at 1 site in Taiwan.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 17 Dec 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Taiwan. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Location of appendix (time frame: 1 day). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Dec 2025.