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NCT04369053: PREEMPT CRC

Prevention of Colorectal Cancer Through Multiomics Blood Testing

Completed Results posted Last updated 26 December 2025
What this trial tests

trial testing Freenome test in Colon Cancer in 48,995 participants. Completed in 29 February 2024.

Timeline
20 May 2020
Primary endpoint
29 February 2024
29 February 2024

Quick facts

Lead sponsorFreenome Holdings Inc.
StatusCompleted
Study typeOBSERVATIONAL
Enrollment48,995
Start date20 May 2020
Primary completion29 February 2024
Estimated completion29 February 2024
Sites148 locations across Canada, United States

Drugs / interventions tested

Conditions studied

Sponsor

Freenome Holdings Inc.

Who can join

Adults 45 to 85, any sex, with Colon Cancer or Rectal Cancer. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Sensitivity for Colorectal Cancer Primary · 90 days

Proportion of participants with a positive test result among those who had a diagnosis of colorectal cancer

GroupValue95% CI
Evaluable Subjects79.268.4 – 86.9
Specificity for Advanced Colorectal Neoplasia Primary · 90 days

Proportion of participants with a negative test result among those who had non-advanced precancerous lesions or negative findings (non-neoplastic or no findings)

GroupValue95% CI
Evaluable Subjects91.591.2 – 91.9
Negative Predictive Value for Advanced Colorectal Neoplasia Primary · 90 days

Proportion of participants with a diagnosis of non-advanced precancerous lesions or negative findings (non-neoplastic or no findings) among those who had a negative test result

GroupValue95% CI
Evaluable Subjects90.890.7 – 90.9
Positive Predictive Value for Advanced Colorectal Neoplasia Primary · 90 days

Proportion of participants with a diagnosis of colorectal cancer or advanced precancerous lesions among those who had a positive test result

GroupValue95% CI
Evaluable Subjects15.514.2 – 16.8
Sensitivity for Advanced Precancerous Lesion Secondary · 90 days

Proportion of participants with a positive test result among those who had a diagnosis of advanced precancerous lesions

GroupValue95% CI
Evaluable Subjects12.511.3 – 13.8
Census-adjusted Sensitivity for Colorectal Cancer Secondary · 90 days

U.S. census sex- and age-adjusted sensitivity for colorectal cancer Proportion of participants with a positive test result among those who had a diagnosis of colorectal cancer

GroupValue95% CI
Evaluable Subjects81.171.3 – 88.1
Census-adjusted Specificity for Advanced Colorectal Neoplasia Secondary · 90 days

U.S. census sex- and age-adjusted specificity for advanced colorectal neoplasia Proportion of participants with a negative test result among those who had non-advanced precancerous lesions or negative findings (non-neoplastic or no findings)

GroupValue95% CI
Evaluable Subjects90.490.0 – 90.7
Census-adjusted Negative Predictive Value for Advanced Colorectal Neoplasia Secondary · 90 days

U.S. census sex- and age-adjusted negative predictive value for advanced colorectal neoplasia Proportion of participants with a diagnosis of non-advanced precancerous lesions or negative findings (non-neoplastic or no findings) among those who had a negative test result

GroupValue95% CI
Evaluable Subjects90.590.4 – 90.7
Census-adjusted Positive Predictive Value for Advanced Colorectal Neoplasia Secondary · 90 days

U.S. census sex- and age-adjusted positive predictive value for advanced colorectal neoplasia Proportion of participants with a diagnosis of colorectal cancer or advanced precancerous lesions among those who had a positive test result

GroupValue95% CI
Evaluable Subjects15.514.3 – 16.7
Census-adjusted Sensitivity for Advanced Precancerous Lesion Secondary · 90 days

U.S. census sex- and age-adjusted sensitivity for advanced precancerous lesion Proportion of participants with a positive test result among those who had a diagnosis of advanced precancerous lesions

GroupValue95% CI
Evaluable Subjects13.712.4 – 15.0

Adverse events — posted to ClinicalTrials.gov

Time frame: Twenty-four hours within the study blood collection. Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Safety Analysis Set
Serious: 0/31888 (0%)
Deaths: 0/31888
Other adverse events (1 terms — click to expand)

ReactionSystemSafety Analysis Set
Dizziness, syncope, contusion, and other observed minor complicationsGeneral disorders

Data from ClinicalTrials.gov NCT04369053 adverse events section.

Sponsor's own description

The PREEMPT CRC study is a prospective multi-center observational study to validate a blood-based test for the early detection of colorectal cancer by collecting blood samples from average-risk participants who will undergo a routine screening colonoscopy.

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Current and future colorectal cancer screening strategies.
    Shaukat A, Levin TR. · · 2022 · cited 329× · PMID 35505243 · DOI 10.1038/s41575-022-00612-y
  2. Cell-free DNA approaches for cancer early detection and interception.
    Medina JE, Dracopoli NC, Bach PB, Lau A, et al · · 2023 · cited 64× · PMID 37696619 · DOI 10.1136/jitc-2022-006013
  3. Clinical Validation of a Circulating Tumor DNA-Based Blood Test to Screen for Colorectal Cancer.
    Shaukat A, Burke CA, Chan AT, Grady WM, et al · · 2025 · cited 37× · PMID 40455622 · DOI 10.1001/jama.2025.7515
  4. Emerging Tests for Noninvasive Colorectal Cancer Screening.
    Hanna M, Dey N, Grady WM. · · 2023 · cited 36× · PMID 36539002 · DOI 10.1016/j.cgh.2022.12.008
  5. Application and development of noninvasive biomarkers for colorectal cancer screening: a systematic review.
    Song D, Wang F, Ju Y, He Q, et al · · 2023 · cited 17× · PMID 36974713 · DOI 10.1097/js9.0000000000000260
  6. Liquid biopsies for colorectal cancer: a narrative review of ongoing clinical trials and the current use of this technology at a comprehensive cancer center.
    Broccard SP, Kasbi AA, Bagaria SP, Jones J, et al · · 2022 · cited 8× · PMID 35284120 · DOI 10.21037/jgo-21-470
  7. Use of Molecular Assays and Circulating Tumor DNA in Early-Stage Colorectal Cancer: A Roundtable Discussion of the Gastrointestinal Cancer Therapy Expert Group.
    Loaiza-Bonilla A, Benson AB, Grothey A, Karimi M, et al · · 2021 · cited 6× · PMID 33650740 · DOI 10.1002/onco.13738
  8. Evaluating benefit-to-burden ratios of the established and emerging colorectal cancer screening strategies.
    Ebner DW, Fendrick AM, Kisiel JB, Estes C, et al · · 2025 · cited 5× · PMID 41027593 · DOI 10.1093/jnci/djaf209

Verify or expand the search:

Other recruiting trials for Colon Cancer

Currently open trials in the same condition.

Other Freenome Holdings Inc. trials

Trials by the same sponsor.

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Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04369053.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing