M.D. Anderson Cancer Center
To learn about the effects of naproxen and aspirin on the normal colon in people with Lynch Syndrome.
Primary Objectives: * To evaluate the effect of naproxen or aspirin on the abundance of T cells and other im-mune cell types in the normal colorectal mucosa of participants with Lynch syndrome (LS) using single-cell approaches. Secondary Objectives: * To evaluate cell-type specific effects of treatment with naproxen or aspirin on gene ex-pression in the normal colorectal mucosa and endometrium in participants with LS using single-cell approaches. * To evaluate the effect of treatment with naproxen or aspirin on the spatial distribution of immune-related cell types in the normal colorectal m…
Inclusion Criteria: * Participants must have Lynch syndrome defined as meeting any of the following: 1. "Mutation-Positive Lynch syndrome": carriers or obligate carriers (by pedigree) of a pathogenic mutation in one of the DNA mismatch repair (MMR) genes (i.e., MLH1, MSH2/EPCAM, MSH6, or PMS2). 2. "Mutation-Negative Lynch syndrome": patients with a personal history of a non-sporadic MMR deficient premalignant lesion (i.e., polyp) or a non-sporadic MMR deficient malignant tumor (where "non-sporadic MMR deficient" is defined by: microsatellite-instability high by either immunohistochemistr…
Given by PO
Given by PO
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