Trial Outcomes & Findings for Study of Colorectal Cancer Screening Options (NCT NCT05987709)

NCT ID: NCT05987709

Last Updated: 2025-12-16

Results Overview

Assess the percentage who received any CRC screening test (blood draw, FIT or FIT-DNA, or flexible sigmoidoscopy or colonoscopy) within 3 months of eligibility determination among eligible individuals in the blood test and usual care groups.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

2004 participants

Primary outcome timeframe

Within 3 months of patient identification

Results posted on

2025-12-16

Participant Flow

Participant milestones

Participant milestones
Measure
Guardant Shield Blood Test
Patients will have the Guardant Shield blood test for colorectal cancer screening. GuardantSHIELD Blood Test: The GuardantSHIELD CRC screening test is a commercially available test which works by finding signs of colorectal tumor in the blood of patients at average risk for CRC
Standard of Care
Patients will have standard of care, which is a reminder to do their FIT test for colorectal cancer screening
Overall Study
STARTED
1001
1003
Overall Study
COMPLETED
1001
1003
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Study of Colorectal Cancer Screening Options

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Guardant Shield Blood Test
n=1001 Participants
Patients will have the Guardant Shield blood test for colorectal cancer screening. GuardantSHIELD Blood Test: The GuardantSHIELD CRC screening test is a commercially available test which works by finding signs of colorectal tumor in the blood of patients at average risk for CRC
Standard of Care
n=1003 Participants
Patients will have standard of care, which is a reminder to do their FIT test for colorectal cancer screening
Total
n=2004 Participants
Total of all reporting groups
Race/Ethnicity, Customized
Hispanic(any race)
31 Participants
n=6 Participants
35 Participants
n=5 Participants
66 Participants
n=5 Participants
Age, Customized
45-49
29 Participants
n=6 Participants
28 Participants
n=5 Participants
57 Participants
n=5 Participants
Age, Customized
50-64
718 Participants
n=6 Participants
722 Participants
n=5 Participants
1440 Participants
n=5 Participants
Age, Customized
65-75
254 Participants
n=6 Participants
253 Participants
n=5 Participants
507 Participants
n=5 Participants
Sex: Female, Male
Female
642 Participants
n=6 Participants
598 Participants
n=5 Participants
1240 Participants
n=5 Participants
Sex: Female, Male
Male
359 Participants
n=6 Participants
405 Participants
n=5 Participants
764 Participants
n=5 Participants
Race/Ethnicity, Customized
Asian
45 Participants
n=6 Participants
31 Participants
n=5 Participants
76 Participants
n=5 Participants
Race/Ethnicity, Customized
Black
60 Participants
n=6 Participants
55 Participants
n=5 Participants
115 Participants
n=5 Participants
Race/Ethnicity, Customized
Other/Multiple/Unknown
73 Participants
n=6 Participants
73 Participants
n=5 Participants
146 Participants
n=5 Participants
Race/Ethnicity, Customized
White
792 Participants
n=6 Participants
809 Participants
n=5 Participants
1601 Participants
n=5 Participants
Prior CRC Screening
Prior CRC Screening
521 Participants
n=6 Participants
520 Participants
n=5 Participants
1041 Participants
n=5 Participants
Prior CRC Screening
No Prior CRC Screening
480 Participants
n=6 Participants
483 Participants
n=5 Participants
963 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Within 3 months of patient identification

Assess the percentage who received any CRC screening test (blood draw, FIT or FIT-DNA, or flexible sigmoidoscopy or colonoscopy) within 3 months of eligibility determination among eligible individuals in the blood test and usual care groups.

Outcome measures

Outcome measures
Measure
Guardant Shield Blood Test
n=1001 Participants
Patients will have the Guardant Shield blood test for colorectal cancer screening. GuardantSHIELD Blood Test: The GuardantSHIELD CRC screening test is a commercially available test which works by finding signs of colorectal tumor in the blood of patients at average risk for CRC
Standard of Care
n=1003 Participants
Patients will have standard of care, which is a reminder to do their FIT test for colorectal cancer screening
Assess Colorectal Cancer Screening Completion
305 Participants
130 Participants

SECONDARY outcome

Timeframe: Within 6 months of abnormal FIT test

Assess the percentage of participants who completed follow-up colonoscopy within 6 months of their result among individuals with an abnormal non-invasive test result; comparing the blood test and usual care groups.

Outcome measures

Outcome measures
Measure
Guardant Shield Blood Test
n=22 Participants
Patients will have the Guardant Shield blood test for colorectal cancer screening. GuardantSHIELD Blood Test: The GuardantSHIELD CRC screening test is a commercially available test which works by finding signs of colorectal tumor in the blood of patients at average risk for CRC
Standard of Care
n=10 Participants
Patients will have standard of care, which is a reminder to do their FIT test for colorectal cancer screening
Assess the Percentage of Participants Who Completed Follow-up Testing.
11 Participants
7 Participants

Adverse Events

Guardant Shield Blood Test

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Standard of Care

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Guardant Shield Blood Test
n=1001 participants at risk
Patients will have the Guardant Shield blood test for colorectal cancer screening. GuardantSHIELD Blood Test: The GuardantSHIELD CRC screening test is a commercially available test which works by finding signs of colorectal tumor in the blood of patients at average risk for CRC
Standard of Care
n=1003 participants at risk
Patients will have standard of care, which is a reminder to do their FIT test for colorectal cancer screening
Skin and subcutaneous tissue disorders
Pain
0.10%
1/1001 • Number of events 1 • 9 Months
0.00%
0/1003 • 9 Months

Additional Information

Gloria D. Coronado, PhD - Professor, Associate Director Population Sciences, Cancer Center

University of Arizona

Phone: 520-626-0023

Results disclosure agreements

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