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Related Experiment Video

Updated: Jan 11, 2026

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Clinical Evaluation of PolyDeep, A Computer-Aided Detection System: A Multicenter Randomized Tandem Colonoscopy

Pedro Davila-Piñón1,2, Astrid Irene Díez Martín1,2, Alba Nogueira-Rodríguez3,4

  • 1Research Group in Gastrointestinal Oncology Ourense, University Hospital of Ourense, 32005 Ourense, Spain.

Diagnostics (Basel, Switzerland)
|November 13, 2025
PubMed
Summary
This summary is machine-generated.

Computer-aided detection (CADe) systems like PolyDeep did not significantly reduce the adenoma miss rate (AMR) in colonoscopies during colorectal cancer screening. This randomized trial found no statistical difference in AMR between PolyDeep-assisted and conventional colonoscopy.

Keywords:
CADeadenoma miss rateadvanced polypscolonoscopy qualitycolorectal cancerpolyp detectionpositive FITscreeningsurveillancetandem colonoscopy

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Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Oncology

Background:

  • Computer-aided detection (CADe) systems enhance lesion recognition during endoscopy.
  • PolyDeep is a CADe/x tool previously evaluated in observational studies.
  • The clinical utility of CADe systems in reducing adenoma miss rates requires further investigation.

Purpose of the Study:

  • To determine if PolyDeep-assisted colonoscopy reduces the adenoma miss rate (AMR) compared to conventional colonoscopy.
  • To evaluate the impact of PolyDeep on polyp miss rate (PMR), serrated lesion miss rate (SLMR), and advanced polyp miss rate (APMR).

Main Methods:

  • A multicenter randomized controlled trial with a tandem colonoscopy design was conducted.
  • Participants were recruited from a colorectal cancer screening program.
  • Expert endoscopists performed colonoscopies, with patients randomized to either PolyDeep-assisted or conventional colonoscopy groups.

Main Results:

  • A total of 240 patients were analyzed, with balanced baseline characteristics.
  • No statistically significant differences were observed in AMR (21.3% vs. 18.1%, p=0.5) between the PolyDeep-assisted and conventional colonoscopy groups.
  • Secondary endpoints, including PMR, SLMR, and APMR, also showed no significant differences between the groups.

Conclusions:

  • PolyDeep-assisted colonoscopy did not demonstrate a reduction in the adenoma miss rate within this colorectal cancer screening program.
  • The study did not find significant benefits of PolyDeep in detecting various types of polyps compared to standard colonoscopy.
  • Further research may be needed to explore the role of CADe systems in different clinical settings or with improved algorithms.