RECRUITING Not applicable ClinicalTrials.gov

Guardant Shield Colorectal Cancer Screening

Sponsor: University of Miami • ClinicalTrials.gov ID: NCT07436637

Registry updated: 2026-10-16

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Description

The purpose of this research is to identify individuals overdue for colon cancer screening and send them a reminder to complete their screening, which includes standard of care colonoscopy or stool-based testing. The investigators are randomizing patients (like a flip of a coin) to either receive the standard reminder by mail/email or to receive the standard reminder and have the option to provide a blood sample for screening (ShieldTM by Guardant).

Interventions

Screening Reminder (Behavioral)
Participants will receive a standard screening reminder for colorectal cancer screening via mailed letter, or via University of Miami health (UHealth) portal if they have an active active account.
Blood Sample Collection (Procedure)
Participants who consent to the Shield TM by Guardant screening test, will undergo blood sample collection. Approximately 40 mL of blood will be drawn at a UHealth facility into a collection tube provided by Guardant Health.

Eligibility criteria

Inclusion Criteria: * Adults 45 - 85 years of age at average risk and able to provide informed consent. * Patients overdue for a screening colonoscopy or stool-based test that was ordered by their University of Miami (UM) clinician. Exclusion Criteria: * Impaired decision-making capability/unable to provide informed consent. * Patients with high-risk conditions: * Personal history of colorectal cancer (CRC), adenomas, or other cancers * Those who had a positive result on another CRC screening method within the last six months, an abnormal stool test that found blood in your stool within the last 12 months, or abnormal Cologuard (FIT-DNA Test) in the last 3 years * Those with Inflammatory Bowel Disease (IBD), chronic ulcerative colitis (CUC), Crohn's disease * Those who have a family history of colorectal cancer (in a parent, brother, sister, or child) * Genetic predisposition requiring more frequent screening (such as Lynch syndrome, IBD, history of colectomy, etc.) * Symptoms like rectal bleeding, weight loss, or other signs for which your doctor ordered a colonoscopy - not simply as a screening tool

Conditions

Colorectal Cancer

Locations

University of Miami — Miami, Florida, United States

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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