Acute Gastrointestinal Bleeding Clinical Trial
Official title:
Randomized Controlled Multi-Center Non-Inferiority Trial of UI-EWD (Nexpowder™) vs. Conventional Treatment as First-Line Endoscopic Therapy for Patients With High-Risk Bleeding Ulcers (TREET)
A prospective, multi-center, noninferiority randomized controlled trial designed to compare the efficacy of UI-EWD (Nexpowder™) hemostatic powder versus conventional endoscopic hemostatic therapy in patients presenting with acute overt gastrointestinal bleeding which is found at endoscopy to be due to a gastric or duodenal ulcer with active bleeding (spurting or oozing) or a non-bleeding visible vessel.
Endoscopic hemostatic therapy is recommended as the first line therapy for patients with upper gastrointestinal bleeding (UGIB) due to ulcers with active bleeding or a non-bleeding visible vessel identified at endoscopy. A variety of endoscopic modalities are used in the treatment of UGIB, including thermal therapies (e.g., bipolar electrocoagulation), injection therapy (e.g., epinephrine), clips, and hemostatic powder spray. Topical therapies, such as hemostatic powder spray, have been the most recent addition to the armamentarium of endoscopic therapies for UGIB. UI-EWD hemostatic powder (Nexpowder™), which is manufactured by NextBiomedical and distributed by Medtronic, is approved for treatment of nonvariceal UGIB in the U.S., Canada, European Union and other countries. A retrospective study of UI-EWD hemostatic powder in 56 patients with active bleeding found immediate hemostasis in 54 (96.4%), with rebleeding within 7 days in only 2 patients (3.7%)[1]. A large multi-center randomized trial in 340 patients with nonvariceal UGIB and either active bleeding or a non-bleeding visible vessel compared conventional endoscopic hemostatic therapy alone to conventional therapy plus UI-EWD. Rebleeding was significantly lower in the UI-EWD group at 3 days (3 vs. 11%) and at 30 days (19% vs. 7%) [2]. The primary aim of this trial is to demonstrate that UI-EWD when used as initial hemostatic therapy is non-inferior to older conventional endoscopic hemostatic therapy for the treatment of patients with high-risk peptic ulcer bleeding. ;
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