A Study to Assess the Added Value of CTA in the Algorithm for Management of Acute Lower GI Bleeding
Tab Title Description
Describes the nature of a clinical study. Types include:
- Observational study — observes people and measures outcomes without affecting results.
- Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
- Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
- Rochester, Minnesota: 18-003455
Sponsor Protocol Number: 18-003455
About this study
The purpose of this study is to determine the value of CTA as a first-line diagnostic study in hemodynamically stable patients who present to the emergency room with signs of lower GI bleeding that will undergo colonoscopy with bowel preparation.
Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.
- Signs of lower GI bleeding with either maroon or melenotic stools (and negative EGD in the last month) or hematochezia.
- Plan for admission and colonoscopy.
- Patients 40 years of age or older.
- Impaired renal function with a GFR less than 30.
- Pregnancy.A urine pregnancy test will be performed in women who have the potential of pregnancy.
- History of a severe iodinated contrast allergy. A history of a few hives will not be an exclusion.
- Those with suspected post-polypectomy bleeding.
- Suspected bleeding from hemorrhoid or anal fissure on physical exam.
Participating Mayo Clinic locations
Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.
|Mayo Clinic Location
Mayo Clinic principal investigator
Jeff Fidler, M.D.
Closed for enrollment
Publications are currently not available