FITting non-invasive tests in Lynch syndrome surveillance: a prospective clinical trial
Eligibility: Inclusion Criteria
• * Have a diagnosis of LS with a confirmed pathogenic variant in MLH1, MSH2, MSH6, PMS2 or EPCAM genes.
• * Aged 20 - 75 years
• * Have an upcoming standard of care (SOC) colonoscopy appointment in line with standard LS surveillance guidelines (NCCN).
• * Willing to sign informed consent, collect stools samples and complete surveys
Exclusion Criteria
• * Individuals who have not proceeded with genetic testing and therefore are not known to have LS, despite family history and/or criteria for testing.
• * Individuals who have previously undergone a subtotal or total colectomy.
• * Newly diagnosed Lynch Syndrome patients 20 years old with a pathogenic variant in MLH1, MSH2 or EPCAM, MSH6 or PMS2.
• * Individuals who are pregnant.
• * Individuals with inflammatory bowel disease or active malignancy.
• * Individuals not willing or able to sign informed consent.