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CompletedNCT06427109Updated May 24, 2024

Omega-3 Fatty Acid and Colorectal Adenoma

An observational study in Colorectal Neoplasms and Adenoma Colon, sponsored by DongGuk University. Completed at 1 site in South Korea. Open to participants aged 40 Years and older. Per ClinicalTrials.gov, last updated 2024-05-24.

Sponsored by DongGuk University · Observational

Study type
Observational
Model
Case-control
Time perspective
Cross-sectional
Enrollment
798
Ages
40 Years and older
Sex
All
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Study summary

Patients aged >40 years who underwent elective colonoscopies were recruited from ten institutions. Patients with a history of colorectal cancer or long-term dietary interventions were excluded. Participants completed a food frequency questionnaire (FFQ) prior to endoscopy. FFQ data were analyzed using energy-, age-, sex-, and body mass index-adjusted models; the dietary supplemental omega-3 intake was analyzed separately. Colonoscopy outcome data, including the adenoma number, pathology, and location, were collected. Participants were stratified into omega-3 consumption quartiles to assess colorectal adenoma incidence trends using P for trend analysis.

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Conditions studied

  • Colorectal Neoplasms
  • Adenoma Colon
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In context

Colorectal Neoplasms

5,738 studies on the registry are indexed under Colorectal Neoplasms; 1,483 are open to participants now.

This study's enrollment of 798 is above the median of 250 across 1,253 observational studies indexed under Colorectal Neoplasms.

Browse Colorectal Neoplasms studies →

Lead sponsor

DongGuk University is the lead sponsor of 27 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
40 Years and older
Sexes eligible
All
Sampling method
Non-probability sample

Study population

Multi-center, nationwide cohort in Korea

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • all patients aged more than 40 years of age, scheduled for elective colonoscopy.

Exclusion criteria

Exclusion Criteria:

  • inflammatory bowel diseases
  • history of colorectal neoplasms
  • prior gastrointestinal surgery
  • substance abuse including alcohol
  • an inability to complete the survey due to emergency endoscopy
  • cognitive impairments and those undergoing significant dietary modifications
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Study design

Observational model
Case-control
Time perspective
Cross-sectional
Enrollment
798 participants (actual)
Patient registry
No

Interventions

  • Dietary supplementDietary intake of omega-3 fatty acid

    Participants were stratified into omega-3 consumption quartiles to assess colorectal adenoma incidence trends

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What researchers measure

Primary outcomes

  1. Incidence of Colorectal adenoma

    among groups with different omega-3 intake levels

    Time frame: at the completion of the colonoscopy procedure

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Study locations

1 site
  • Dongguk University Ilsan Hospital
    Goyang-si, Gyeonggi Province 14353, South Korea
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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 24, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT06427109
Lead sponsor
DongGuk University
Responsible party
Sang Hoon Kim (Assistant Professor, Chung-Ang University) — Principal investigator
First posted
May 23, 2024
Start date
Nov 1, 2021
Primary completion
Nov 30, 2023
Completion
Feb 21, 2024
Last update
May 24, 2024

Study contacts

Yun Jeong Lim
principal investigator · DongGuk University

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in May 2024. You cannot join it, but the record below documents what was studied.

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Discussion

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