Trial Outcomes & Findings for Colorectal Polyp Clinical Decision Support Device Study (NCT NCT04437615)

NCT ID: NCT04437615

Last Updated: 2025-04-17

Results Overview

CDSD-unaided and CDSD-aided predictions will be compared with the ground truth pathology results.

Recruitment status

COMPLETED

Target enrollment

2379 participants

Primary outcome timeframe

Upon receipt of pathology results (within one week)

Results posted on

2025-04-17

Participant Flow

Participant milestones

Participant milestones
Measure
Single-arm
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
Overall Study
STARTED
2379
Overall Study
COMPLETED
1290
Overall Study
NOT COMPLETED
1089

Reasons for withdrawal

Reasons for withdrawal
Measure
Single-arm
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
Overall Study
Screen Fails/Withdrawal
1089

Baseline Characteristics

Colorectal Polyp Clinical Decision Support Device Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Single-arm
n=1252 Participants
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
763 Participants
n=99 Participants
Age, Categorical
>=65 years
489 Participants
n=99 Participants
Age, Continuous
60.6 years
STANDARD_DEVIATION 10.8 • n=99 Participants
Sex: Female, Male
Female
601 Participants
n=99 Participants
Sex: Female, Male
Male
651 Participants
n=99 Participants
Race/Ethnicity, Customized
Caucasian
976 Participants
n=99 Participants
Race/Ethnicity, Customized
Asian
19 Participants
n=99 Participants
Race/Ethnicity, Customized
African American
180 Participants
n=99 Participants
Race/Ethnicity, Customized
Hispanic
52 Participants
n=99 Participants
Race/Ethnicity, Customized
Native American
4 Participants
n=99 Participants
Race/Ethnicity, Customized
Pacific Islander
0 Participants
n=99 Participants
Race/Ethnicity, Customized
Middle Eastern
5 Participants
n=99 Participants
Race/Ethnicity, Customized
Other
16 Participants
n=99 Participants
Region of Enrollment
United States
1252 Participants
n=99 Participants

PRIMARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: Total number of polyps from eligible participants (N=1252) who completed the study and had a successful CDSD prediction.

CDSD-unaided and CDSD-aided predictions will be compared with the ground truth pathology results.

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2695 Number of polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
Specificity and Sensitivity CDSD-unaided and CDSD-aided Endoscopist Predictions of Diminutive Polyp Histology
Sensitivity for CDSD aided
90.8 percentage of polyps
Interval 89.3 to 92.3
Specificity and Sensitivity CDSD-unaided and CDSD-aided Endoscopist Predictions of Diminutive Polyp Histology
Sensitivity for CDSD unaided
90.7 percentage of polyps
Interval 89.2 to 92.2
Specificity and Sensitivity CDSD-unaided and CDSD-aided Endoscopist Predictions of Diminutive Polyp Histology
specificity for CDSD aided
64.7 percentage of polyps
Interval 61.7 to 67.8
Specificity and Sensitivity CDSD-unaided and CDSD-aided Endoscopist Predictions of Diminutive Polyp Histology
specificity for CDSD unaided
59.5 percentage of polyps
Interval 56.6 to 62.7

SECONDARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: Patients that completed the study.

pathology as ground truth

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2807 Number of polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
1. Number of Unaided NBI Prediction and Pathology Result of Diminutive Polyps Detected by the Endoscopist and Confirmed by Pathology for Which CDSD Does Not Return a Prediction.
112 number of polyps without CDSD prediction

SECONDARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: patients with polyps

pathology as ground truth

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2695 number of Polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
2. Sensitivity, Specificity, Negative Predictive Value (NPV), Positive Predictive Value (PPV) of Unaided Endoscopist Prediction Using White Light.
Sensitivity
88.5 percentage of polyps
2. Sensitivity, Specificity, Negative Predictive Value (NPV), Positive Predictive Value (PPV) of Unaided Endoscopist Prediction Using White Light.
Specificity
61.1 percentage of polyps
2. Sensitivity, Specificity, Negative Predictive Value (NPV), Positive Predictive Value (PPV) of Unaided Endoscopist Prediction Using White Light.
Negative predictive value (NPV)
74.7 percentage of polyps
2. Sensitivity, Specificity, Negative Predictive Value (NPV), Positive Predictive Value (PPV) of Unaided Endoscopist Prediction Using White Light.
Positive predictive value (PPV)
80.4 percentage of polyps

SECONDARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: Patients with polyps with NBI prediction

pathology as ground truth

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2695 Number of Polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
3. Sensitivity, Specificity, NPV, PPV of Unaided Endoscopist Prediction Using NBI Compared With Pathology.
Sensitivity
90.7 percentage of polyps
3. Sensitivity, Specificity, NPV, PPV of Unaided Endoscopist Prediction Using NBI Compared With Pathology.
Specificity
59.5 percentage of polyps
3. Sensitivity, Specificity, NPV, PPV of Unaided Endoscopist Prediction Using NBI Compared With Pathology.
PPV
74.6 percentage of polyps
3. Sensitivity, Specificity, NPV, PPV of Unaided Endoscopist Prediction Using NBI Compared With Pathology.
NPV
83.8 percentage of polyps

SECONDARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: Patients with CDSD prediction

pathology as ground truth

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2695 Number of polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
4. Sensitivity, Specificity, NPV, PPV of CDSD Prediction Compared With Pathology.
Specificity
69.5 percentage of polyps
4. Sensitivity, Specificity, NPV, PPV of CDSD Prediction Compared With Pathology.
PPV
78.6 percentage of polyps
4. Sensitivity, Specificity, NPV, PPV of CDSD Prediction Compared With Pathology.
NPV
79.9 percentage of polyps
4. Sensitivity, Specificity, NPV, PPV of CDSD Prediction Compared With Pathology.
Sensitivity
86.5 percentage of polyps

SECONDARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: Aided CDSD prediction

pathology as ground truth

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2695 Number of polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
5. Sensitivity, Specificity, NPV, PPV of CDSD-aided Endoscopist Prediction Compared With Pathology.
Sensitivity
90.8 percentage of polyps
5. Sensitivity, Specificity, NPV, PPV of CDSD-aided Endoscopist Prediction Compared With Pathology.
Specificity
64.7 percentage of polyps
5. Sensitivity, Specificity, NPV, PPV of CDSD-aided Endoscopist Prediction Compared With Pathology.
PPV
76.8 percentage of polyps
5. Sensitivity, Specificity, NPV, PPV of CDSD-aided Endoscopist Prediction Compared With Pathology.
NPV
85.0 percentage of polyps

SECONDARY outcome

Timeframe: Upon receipt of pathology results (within one week)

Population: NBI unaided prediction vs aided CDSD prediction

pathology as ground truth

Outcome measures

Outcome measures
Measure
CDSD Un-aided vs. CDSD-aided Predictions of Diminutive Polyp
n=2695 Number of Polyps
CDSD un-aided vs. CDSD-aided predictions of diminutive polyp histology relative to ground-truth pathology. All patients will have both unaided and aided predictions. Colonoscopy: Standard of care colonoscopy, with added use of CDSD as an adjunctive tool Clinical Decision Support Device: The investigational device consists of software residing on a dedicated computer enabling display of predicted diminutive polyp histology during colonoscopy.
6. Number of Pathology Results for Diminutive Polyps With Discordant Unaided Predictions Using NBI and Aided Predictions With CDSD
251 Polyps

Adverse Events

Single-arm

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Jeremy Bolt, Global GI Lead

Olympus Corporation

Phone: 5085798495

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place