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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04399590
Other study ID # 2598
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 1, 2020
Est. completion date March 31, 2021

Study information

Verified date September 2021
Source Istituto Clinico Humanitas
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

One fourth of colorectal neoplasias are missed during screening colonoscopies-these can develop into colorectal cancer (CRC). In the last couple of years, Artificial Intelligence Deep learning systems were introduced in the endoscopic setting to allow for real-time computer-aided detection/characterization (CAD) of polyps with high- accuracy. Few CADe (detection) and CADx (diagnosis, characterization) have been therefore proposed with this purpose. Because CAD systems are based on deep learning where the computer directly learns polyp recognition from supervised data without any human-control on the final algorithm, their outcome incorporates some unpredictability in the clinical setting that must be cautiously interpreted after its application. This means that the endoscopist may be presented with FP images that he would have never been selected in the first place as suspicion areas. These FPs may hamper the efficiency of CADe-colonoscopy. Additional time may be required to discriminate between an actual FP and a possible false negative result. An excess of FPs may reduce the motivation of the endoscopist for CADe, leading to its underuse in clinical practice. Although the indications of a CADe must always be interpreted by physician, FP may result in unnecessary polypectomy with related adverse events when used without appropriate training. Yet, there is a lack of information among quantity and quality of False Positive signals provided by the systems. From a post-hoc analysis of a Randomized Clinical Trial, in which we extracted and analysed a video library of CADe-colonoscopy (GI Genius) performed in our institution Humanitas Clinical and Research Hospital IRCCS we aimed that False positives by CADe are primarily due to artefacts from the bowel wall. Despite a high frequency, FPs from this CADe system resulted in a negligible 1% increase of the total withdrawal time as most of them were immediately discarded by the endoscopists.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date March 31, 2021
Est. primary completion date March 31, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Age over 18 years 2. Ability to provide and to give informed consent 3. Boston Bowel Preparation Score > 6 (>2 each segment) Exclusion Criteria: 1. Boston Bowel Preparation Score < 6 (<2 each segment) 2. Patients who had chronic inflammatory bowel diseases (such as Chron or Ulcerative Colitis) 3. Inability to obtain written informed consent 4. Patient unwilling to participate to the study

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Interficial Intelligence
Interficial Intelligence

Locations

Country Name City State
Italy Endoscopy Unit, Humanitas Research Hospital Rozzano Milano

Sponsors (1)

Lead Sponsor Collaborator
Istituto Clinico Humanitas

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary To evaluate the cause of False Positives (FPs) signals, their frequenTocy and time rate, on two different CAD systems: CADe (GI Genius, Medtronic) and CADe/CADx (CAD EYE, Fujifilm) and report a comparison among the two 6 Months
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