About this trial
The purpose of this clinical trial is to compare two standard of care non-surgical treatments for hemorrhoidal bleeding: hemorrhoidal artery embolization (HAE) versus rubber band ligation (RBL). Directly comparing these two methods may help to clarify which treatment is better for controlling hemorrhoidal bleeding, reducing symptoms, and improving patients' quality of life.
HAE is a standard minimally invasive procedure to put tiny particles or coils into the blood vessel that feeds a hemorrhoid to block the blood flow (embolization). This involves using a catheter inserted into an artery, using twilight (conscious) sedation.
RBL is a standard procedure that involves using small rubber bands around the base of the hemorrhoids to cut off blood flow, causing it to shrink or shrivel.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 18 years and less than 90 years.
Ability to provide written informed consent.
Documented clinical history of chronic bleeding from internal hemorrhoids.
Documented presence of Goligher grade II-III internal hemorrhoids.
Disqualifiers
Moderate loss of kidney function, defined as estimated glomerular filtration rate of less than 45 mL/min.
Significant arterial atherosclerosis that would limit selective angiography.
Known alternative causes of GI bleeding.
Allergy to iodinated contrast agents.
Trial design
Crossover
Treatments tested in this trial
Hemorrhoidal Artery Embolization
DeviceInvolves using a catheter inserted into an artery to put tiny particles or coils into the blood vessel that feeds the hemorrhoid to block the blood flow and shrink it.
Rubber Band Ligation
Procedure/SurgeryInvolves using a band to cut off blood flow to the hemorrhoid and shrink it.
Treatment groups
Trial outcomes
Primary outcomes
Number of procedures to control bleeding
To compare rates of control of bleeding from hemorrhoids, based on number of procedures needed for hemostasis, during prospective follow-up in patients with internal hemorrhoids undergoing arterial embolization versus rubber band ligation.
Secondary outcomes
Complication rates
Number of complications post procedure for each complication type (such as severe pain, thrombosis, or severe bleeding).
Time to control bleeding
Number of weeks to control bleeding post procedure
Severe adverse events
Number of unscheduled ER visits or hospitalization for severe complications.
Patient treatment satisfaction
Treatment satisfaction questionnaire
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
Jessica K. Stewart, MD
Lead sponsor
University of California, Los Angeles
Sponsor institution
Terumo Medical Corporation
Collaborator