Rochester, Minn., Scottsdale/Phoenix, Ariz.
The purpose of this trial is to designed to characterize the safety, tolerability, PK, PD, and preliminary activity of REC-4881 administered orally (PO) at multiple doses on a once daily schedule in participants with phenotypic classical FAP with disease involvement of the duodenum or the residual colon/rectum/pouch as the primary disease site.