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Real-time Diagnosis of Diminutive Colorectal Polyps Using AI (COMET-OPTICAL)

2022년 4월 29일 업데이트: Maastricht University Medical Center

Real Time Computer-aided Diagnosis (CADx) of Diminutive Colorectal Polyps Using Artificial Intelligence

Correct endoscopic prediction of the histopathology and differentiation between benign, pre-malignant, and malignant colorectal polyps (optical diagnosis) remains difficult. Artificial intelligence has great potential in image analysis in gastrointestinal endoscopy. Aim of this study is to investigate the real-time diagnostic performance of AI4CRP for the classification of diminutive colorectal polyps, and to compare it with the real-time diagnostic performance of commercially available CADx systems.

연구 개요

상태

모병

정황

개입 / 치료

상세 설명

Correct endoscopic prediction of the histopathology and differentiation between benign, pre-malignant, and malignant colorectal polyps (optical diagnosis) remains difficult. Despite additional training, even experienced endoscopists continue to fail meeting international thresholds set for safe implementation of treatment strategies based on optical diagnosis.

Multiple machine learning techniques - computer-aided diagnosis (CADx) systems - have been developed for applications in medical imaging within colonoscopy and can improve endoscopic classification of colorectal polyps.

Aim of this study is to explore the feasibility of the workflow using AI4CRP (a CNN based CADx system) real-time in the endoscopy suite, and to investigate the real-time diagnostic performance of AI4CRP for the diagnosis of diminutive (<5mm) colorectal polyps. Secondary, the real-time performance of commercially available CADx systems will be investigated and compared with AI4CRP performance.

연구 유형

관찰

등록 (예상)

105

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 연락처 백업

연구 장소

  • 네덜란드
    • Limburg
    • Noord-Brabant
      • Eindhoven, Noord-Brabant, 네덜란드, 5623 EJ
        • 완전한
        • Catharina Ziekenhuis Eindhoven

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 이상 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

샘플링 방법

비확률 샘플

연구 인구

Patient receiving a colonoscopy because of regular care will be considered eligible for inclusion if at least one diminutive colorectal polyp is encountered during the colonoscopy. Patients receive an endoscopic procedure in the context of the Dutch national screening program, because of gastrointestinal symptoms, or because of follow-up of previously diagnosed bowel diseases.

설명

Inclusion Criteria:

  • Age >18 years;
  • Patients with at least one colorectal polyps encountered during colonoscopy;
  • Patients referred for a colonoscopy by the Dutch bowel cancer screening program, patients undergoing a colonoscopy for endoscopic surveillance, or patients undergoing a colonoscopy because of complaints;
  • Written informed consent.

Exclusion Criteria:

  • Patients with prior history of inflammatory bowel diseases (IBD) or polyposis syndromes;
  • Patients with inadequate bowel preparations after adequate washing, suctioning, and cleaning manoeuvres have been performed by the endoscopist;
  • Patients undergoing an emergency colonoscopy;
  • Written objection in the patient file for participation in scientific research.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

코호트 및 개입

그룹/코호트
개입 / 치료
Gastroenterology patients

Patient receiving a colonoscopy because of regular care will be considered eligible for inclusion if at least one diminutive colorectal polyp is encountered during the colonoscopy. Patients receive an endoscopic procedure in the context of the Dutch national screening program, because of gastrointestinal symptoms, or because of follow-up of previously diagnosed bowel diseases.

Colonoscopies will be executed using Fujifilm endoscopy systems (Fujifilm® Corporation, Tokyo, Japan), using Pentax endoscopy systems (Pentax Medical®, Hamburg, Germany), and using Olympus endoscopy systems (Olympus®, Tokyo, Japan).
장치: Computer-aided diagnosis (CADx) systems
  • AI4CRP (artificial intelligence for colorectal polyps), a CNN based computer-aided diagnosis system for diagnosis of colorectal polyps (COMET-OPTICAL research group);
  • CAD EYE, a computer-aided diagnosis system for diagnosis of colorectal polyps (Fujifilm® Corporation, Tokyo, Japan).
다른 이름들:
  • AI4CRP, artificial intelligence for colorectal polyps (COMET-OPTICAL research group)
  • CAD EYE (Fujifilm® Corporation, Tokyo, Japan)

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Technical feasibility of real-time use of AI4CRP.
기간: 6 months
The technical feasibility of real-time use of AI4CRP in the endoscopy suite regarding a proper reception of the video output from the local endoscopy processor towards AI4CRP (in high definition quality, without any delays in time).
6 months
User interface feasibility of real-time use of AI4CRP.
기간: 6 months
The user interface feasibility of real-time use of AI4CRP in the endoscopy suite regarding a correct alignment of the user interface of AI4CRP with the video output from the local endoscopy system (resizing image pixels and anonymization).
6 months
The diagnostic accuracy of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
기간: 1 year
The real-time diagnostic accuracy of AI4CRP per image modality (HDWL, BLI, LCI, i-scan). Diagnostic accuracy defined as the percentage of correctly optically diagnosed colorectal polyps.
1 year
The sensitivity of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
기간: 1 year
The real-time sensitivity of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
1 year
The specificity of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
기간: 1 year
The real-time specificity of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
1 year
The negative predictive value of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
기간: 1 year
The real-time negative predictive value of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
1 year
The positive predictive value of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
기간: 1 year
The real-time positive predictive value of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
1 year
The Area Under ROC Curve (AUC) of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
기간: 1 year
The real-time Area Under ROC Curve (AUC) of AI4CRP per image modality (HDWL, BLI, LCI, i-scan).
1 year

2차 결과 측정

결과 측정
측정값 설명
기간
The diagnostic accuracy of AI4CRP per polyp.
기간: 1 year
The real-time diagnostic accuracy of AI4CRP per polyp (comprising the combination of different imaging modalities).
1 year
The sensitivity of AI4CRP per polyp.
기간: 1 year
The real-time sensitivity of AI4CRP per polyp (comprising the combination of different imaging modalities).
1 year
The specificity of AI4CRP per polyp.
기간: 1 year
The real-time specificity of AI4CRP per polyp (comprising the combination of different imaging modalities).
1 year
The negative predictive value of AI4CRP per polyp.
기간: 1 year
The real-time negative predictive value of AI4CRP per polyp (comprising the combination of different imaging modalities).
1 year
The positive predictive value of AI4CRP per polyp.
기간: 1 year
The real-time positive predictive value of AI4CRP per polyp (comprising the combination of different imaging modalities).
1 year
The Area Under ROC Curve (AUC) of AI4CRP per polyp.
기간: 1 year
The real-time Area Under ROC Curve (AUC) of AI4CRP per polyp (comprising the combination of different imaging modalities).
1 year
The diagnostic accuracy of CAD EYE in BLI mode, per polyp.
기간: 1 year
The real-time diagnostic accuracy of CAD EYE in BLI mode, per polyp.
1 year
The sensitivity of CAD EYE in BLI mode, per polyp.
기간: 1 year
The real-time sensitivity of CAD EYE in BLI mode, per polyp.
1 year
The specificity of CAD EYE in BLI mode, per polyp.
기간: 1 year
The real-time specificity of CAD EYE in BLI mode, per polyp.
1 year
The negative predictive value of CAD EYE in BLI mode, per polyp.
기간: 1 year
The real-time negative predictive value of CAD EYE in BLI mode, per polyp.
1 year
The positive predictive value of CAD EYE in BLI mode, per polyp.
기간: 1 year
The real-time positive predictive value of CAD EYE in BLI mode, per polyp.
1 year
The Area Under ROC Curve (AUC) of CAD EYE in BLI mode, per polyp.
기간: 1 year
The real-time Area Under ROC Curve (AUC) of CAD EYE in BLI mode, per polyp.
1 year
The diagnostic accuracy of AI4CRP per patient.
기간: 1 year
The real-time diagnostic accuracy of AI4CRP per patient (in case of multiple polyps per patient).
1 year
The diagnostic accuracy of CAD EYE per patient.
기간: 1 year
The real-time diagnostic accuracy of CAD EYE per patient (in case of multiple polyps per patient).
1 year
The localization score of AI4CRP.
기간: 1 year
The localization score of AI4CRP regarding the number of images in which the heatmap produced by AI4CRP pointed out the area of interest (scale: correct, incorrect, or partly correct area of interest).
1 year
The difference in diagnostic accuracy of endoscopists per polyp before and after AI.
기간: 1 year
The difference in real-time diagnostic accuracy of endoscopists per polyp before and after AI.
1 year
The difference in sensitivity of endoscopists per polyp before and after AI.
기간: 1 year
The difference in real-time sensitivity of endoscopists per polyp before and after AI.
1 year
The difference in specificity of endoscopists per polyp before and after AI.
기간: 1 year
The difference in real-time specificity of endoscopists per polyp before and after AI.
1 year
The difference in negative predictive value of endoscopists per polyp before and after AI.
기간: 1 year
The difference in real-time negative predictive value of endoscopists per polyp before and after AI.
1 year
The difference in positive predictive value of endoscopists per polyp before and after AI.
기간: 1 year
The difference in real-time positive predictive value of endoscopists per polyp before and after AI.
1 year
The agreement in surveillance interval based on optical diagnosis and histopathology.
기간: 1 year
The agreement in surveillance interval based on optical diagnosis of diminutive colorectal polyps and histopathology of small and large colorectal polyps, compared to the surveillance interval based on histopathology of all colorectal polyps (diminutive, small, and large).
1 year

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

Maastricht University Medical Center

협력자

Catharina Ziekenhuis Eindhoven
Eindhoven University of Technology

수사관

  • 수석 연구원: Erik Schoon, Prof Dr MD, Maastricht Universitair Medisch Centrum

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2021년 8월 20일

기본 완료 (예상)

2022년 9월 1일

연구 완료 (예상)

2022년 12월 1일

연구 등록 날짜

최초 제출

2022년 3월 31일

QC 기준을 충족하는 최초 제출

2022년 4월 21일

처음 게시됨 (실제)

2022년 4월 27일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2022년 5월 5일

QC 기준을 충족하는 마지막 업데이트 제출

2022년 4월 29일

마지막으로 확인됨

2022년 4월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • METC2021-3036

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

미정

IPD 계획 설명

A data sharing plan is not yet decided on.

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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