Status:

RECRUITING

Collecting Blood and Stool Samples to Detect Colorectal Cancer or Advanced Neoplasia in Lynch Syndrome Patients

Lead Sponsor:

Mayo Clinic

Collaborating Sponsors:

Exact Sciences Corporation

Conditions:

Colorectal Carcinoma

Lynch Syndrome

Eligibility:

All Genders

18+ years

Brief Summary

This study collects blood and stool samples from patients with suspected or diagnosed Lynch syndrome to evaluate a deoxyribonucleic acid (DNA) screening technique for the detection of colorectal cance...

Detailed Description

PRIMARY OBJECTIVE: I. To determine the sensitivity and specificity of the multitarget stool DNA (mt-sDNA) 2.0 test, for colorectal neoplasia in patients with Lynch syndrome. SECONDARY OBJECTIVE: I....

Eligibility Criteria

Inclusion

  • Patients at least 18 years of age
  • Individuals diagnosed with Lynch syndrome (mutation in MLH1, MSH2, MSH6, PMS2, EPCAM) or suspected Lynch syndrome or individuals diagnosed with early onset colorectal cancer (CRC) (\< 50 years old)
  • Colonoscopy/flexible sigmoidoscopy (flex sig) scheduled +/- 90 days from sample collection
  • Patient has agreed to participate and has signed the study consent form

Exclusion

  • Patient has known cancer (stage I-IV) 5 years prior to current sample collection (not including basal cell or squamous cell skin cancers; if patient has not been seen or if information is not available, the patient is eligible)
  • Patient has received chemotherapy class drugs for the treatment of cancer in the 5 years prior to current sample collection
  • Patient has had any abdominal radiation therapy prior to current sample collection
  • Patient had therapy to the target lesion with intent to completely remove or debulk the lesion prior to sample collection \[examples include snare polypectomy, endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD), surgical resection, trans anal excision\]
  • Patient has prior diagnosis of non-lynch hereditary colon cancer syndrome \[familial adenomatous polyposis (FAP), MUTYH-associated polyposis (MAP), Peutz-Jeghers syndrome (PJS), juvenile polyposis syndrome (JPS), PTEN, POL\]
  • ADDITIONAL STOOL EXCLUSIONS:
  • Bowel prep \< 7 days prior to stool collection
  • Oral or rectal contrast given within 7 days prior to stool collection
  • Removal of more than 50% of colon or presence of ileostomy
  • Enteral feeds or total parenteral nutrition (TPN)
  • Diagnosis of inflammatory bowel disease

Key Trial Info

Start Date :

March 30 2022

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

April 1 2027

Estimated Enrollment :

750 Patients enrolled

Trial Details

Trial ID

NCT05410977

Start Date

March 30 2022

End Date

April 1 2027

Last Update

August 17 2025

Active Locations (9)

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Page 1 of 3 (9 locations)

1

Mayo Clinic in Arizona

Scottsdale, Arizona, United States, 85259

2

University of California San Francisco

San Francisco, California, United States, 94115

3

University of Colorado Anschutz Medical Center

Aurora, Colorado, United States, 80045

4

Mayo Clinic in Florida

Jacksonville, Florida, United States, 32224