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Browse EPPT > MDA2013-01-02
Phase Ib Biomarker Trial of Naproxen in patients at risk for DNA Mismatch Repair Deficient Colorectal Cancer

The Schema is a timeline of the study. It indicates start/end points, visits expected, major testing to be done, and any other information that is crucial to understanding how the study was completed.

Study Schema

  • Individuals at risk for DNA Mismatch Repair Deficient Colorectal cancer,

    defined as: (1) Mutation Positive Lynch syndrome, or (2) Mutation Negative Lynch syndrome
  • Participants have residual distal colon/rectal mucosa, no active/recurrent malignancy, no cancer treatment x 6 mo, no ASA/NSAID use x 2 wks, no other medical contra-indications

  • Consent/Registration

  • Eligibility Confirmation

    Laboratory tests WNL and normal physical exam
  • Randomization

  • Pre-Treatment Biomarker Acquisition

    1. Tissue (standard of care lower GI endoscopy (flexible sigmoidoscopy or colonoscopy) OR research flexible sigmoidoscopy; 15 biopsies of normal colorectal mucosa)
    2. Blood;
    3. Urine
  • Intervention

    Duration 6 months (+14 days)
    Naproxen 220 mg daily or
    Naproxen 440 mg daily or
    Placebo
  • Post-Treatment Biomarker Acquisition

    1. Tissue (research flexible sigmoidoscopy OR standard of care lower GI endoscopy (flexible sigmoidoscopy or colonoscopy); 15 biopsies of normal colorectal mucosa)
    2. Blood;
    3. Urine
  • Toxicity Assessment Follow-up Phone Call