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Development of AI Diagnosis System for T1b Colorectal Cancer on Non-magnified Plain Endoscopic Images

Development of Computer-Aid Diagnosis System for T1b Colorectal Cancer on Non-magnified Plain Endoscopic Images: A Multicenter Study - CAD for T1b CRC by Plain Images

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000037053
Enrollment
1500
Registered
2019-07-01
Start date
2019-10-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Early stage colorectal cancer (Tis/T1a/T1b) receiving colonoscoppy between 2016 Jan. and 2018 Dec.

Interventions

None listed

Sponsors

Fukushima Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Consecutive series of Tis/T1a/T1b stage colorectal cancer endoscopically observed between 2016 Jan and 2018 December. 2) Non-magnified plain still images (3-5 shots)

Exclusion criteria

Exclusion criteria: 1) Pedunculated morphology 2) Huge lesion, >5cm in size 3) Chromoendoscopic images 4) Images enhanced by NBI, BLI etc.

Design outcomes

Primary

MeasureTime frame
Specificity for T1b colorectal cancer

Secondary

MeasureTime frame
Sensitivity, PPV, NPV and overall accuracy for T1b colorectal cancer

Countries

Japan

Contacts

Public ContactMasato Aizawa

Aizu Medical Center Fukushima Medical University Dept. of Coloproctology

aizawa-m@fmu.ac.jp+81-242752100

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026