Trial Outcomes & Findings for Detecting Cancers Earlier Through Elective Plasma-based CancerSEEK Testing (NCT NCT04213326)

NCT ID: NCT04213326

Last Updated: 2024-06-14

Results Overview

The primary objective of the study is to collect blood samples from known cancer and non cancer participants. These blood samples were used to calibrate the CancerSEEK assay. There was no pre-defined performance threshold.

Recruitment status

COMPLETED

Target enrollment

6400 participants

Primary outcome timeframe

6 months

Results posted on

2024-06-14

Participant Flow

Participant milestones

Participant milestones
Measure
Cancer Cohort
Subjects interested in the cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Non-Cancer Cohort
Subjects interested in the non-cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Overall Study
STARTED
937
5463
Overall Study
COMPLETED
727
3893
Overall Study
NOT COMPLETED
210
1570

Reasons for withdrawal

Reasons for withdrawal
Measure
Cancer Cohort
Subjects interested in the cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Non-Cancer Cohort
Subjects interested in the non-cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Overall Study
Consent withdrawn
51
241
Overall Study
Lost to Follow-up
50
902
Overall Study
Protocol Violation
3
25
Overall Study
Participant eligibility changed
106
19
Overall Study
SCRI confirmed to be withdrawal
0
16
Overall Study
Incomplete study visit
0
367

Baseline Characteristics

The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cancer Cohort
n=727 Participants
Subjects interested in the cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Non-Cancer Cohort
n=3893 Participants
Subjects interested in the non-cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Total
n=4620 Participants
Total of all reporting groups
Age, Continuous
65 years
STANDARD_DEVIATION 9 • n=727 Participants
62 years
STANDARD_DEVIATION 8 • n=3893 Participants
62 years
STANDARD_DEVIATION 8 • n=4620 Participants
Sex: Female, Male
Female
451 Participants
n=708 Participants • The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.
2374 Participants
n=3886 Participants • The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.
2825 Participants
n=4594 Participants • The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.
Sex: Female, Male
Male
257 Participants
n=708 Participants • The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.
1512 Participants
n=3886 Participants • The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.
1769 Participants
n=4594 Participants • The numbers analyzed in the sex category differ from the overall participants due to missing data for 26 subjects. Sex was not able to be collected for 19 subjects in the cancer cohort and 7 in the non-cancer cohort.
Race/Ethnicity, Customized
Race · White
525 Participants
n=727 Participants
3360 Participants
n=3893 Participants
3885 Participants
n=4620 Participants
Race/Ethnicity, Customized
Race · Black
83 Participants
n=727 Participants
316 Participants
n=3893 Participants
399 Participants
n=4620 Participants
Race/Ethnicity, Customized
Race · Asian/Pacific Islander
3 Participants
n=727 Participants
53 Participants
n=3893 Participants
56 Participants
n=4620 Participants
Race/Ethnicity, Customized
Race · Native American/Alaskan
1 Participants
n=727 Participants
14 Participants
n=3893 Participants
15 Participants
n=4620 Participants
Race/Ethnicity, Customized
Race · Other
11 Participants
n=727 Participants
65 Participants
n=3893 Participants
76 Participants
n=4620 Participants
Race/Ethnicity, Customized
Race · Missing
104 Participants
n=727 Participants
85 Participants
n=3893 Participants
189 Participants
n=4620 Participants
Region of Enrollment
United States
727 participants
n=727 Participants
3893 participants
n=3893 Participants
4620 participants
n=4620 Participants

PRIMARY outcome

Timeframe: 6 months

Population: Blood samples collected to be used to calibrate the CancerSEEK assay.

The primary objective of the study is to collect blood samples from known cancer and non cancer participants. These blood samples were used to calibrate the CancerSEEK assay. There was no pre-defined performance threshold.

Outcome measures

Outcome measures
Measure
Cancer Cohort
n=727 Participants
Subjects interested in the cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Non-Cancer Cohort
n=3893 Participants
Subjects interested in the non-cancer cohort, will sign an informed consent, complete an optional survey, and have 60mLs of blood draw by a licensed phlebotomist.
Study Data and Samples Were Used for CancerSEEK Assay Development
Not withdrawn, With Blood Draw
712 Participants
3870 Participants
Study Data and Samples Were Used for CancerSEEK Assay Development
Withdrawn, With Blood Draw (lost to follow up)
5 Participants
14 Participants
Study Data and Samples Were Used for CancerSEEK Assay Development
Withdrawn after Blood Draw
10 Participants
9 Participants

Adverse Events

Cancer Cohort

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

Non-Cancer Cohort

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

Adriann Kern

Exact Sciences

Phone: 4843563027

Results disclosure agreements

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