The Effect of IBD Flares on Serum PSA

This study investigates whether flare-ups (active episodes) of inflammatory bowel disease (IBD) — such as Crohn's disease or ulcerative colitis — affect the level of a protein in the blood called PSA, which is commonly used to screen for prostate cancer. **You may be eligible if...** - You are male and between 40 and 69 years old - You have a confirmed diagnosis of inflammatory bowel disease (Crohn's disease or ulcerative colitis) - You receive care at the Northwestern Memorial Hospital Gastroenterology Clinic **You may NOT be eligible if...** - You have a history of prostate cancer - You have previously had a prostate biopsy or a procedure called transurethral resection of the prostate Talk to your doctor to see if this trial is right for you.