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Hemospray TM (TC-325) is a novel hemostatic agent licensed for use in nonvariceal upper gastrointestinal bleeding (NVUGIB) in Europe.We present the operating characteristics and performance of TC-325 in the largest registry to date of patients presenting with NVUGIB in everyday clinical practice.Prospective anonymized data of device performance and clinical outcomes were collected from 10 European centers using the multicentre SEAL survey (Survey to Evaluate the Application of Hemospray in the Luminal tract). TC-325 was used as a monotherapy or as second-line therapy in combination with other hemostatic modalities at the endoscopists’ discretion.Sixty-three patients (44 men, 19 women), median age 69 (range, 21 to 98) years with NVUGIB requiring endoscopic hemostasis were treated with TC-325. There were 30 patients with bleeding ulcers and 33 with other NVUGIB pathology. Fifty-five (87%) were treated with TC-325 as monotherapy; 47 [85%; 95% confidence interval (CI), 76%-94%] of them achieved primary hemostasis, and rebleeding rate at 7 days was 15% (95% CI, 5%-25%). Primary hemostasis rate for TC-325 in patients with ulcer bleeds was 76% (95% CI, 59%-93%). Eight patients, who otherwise may have required either surgery or interventional radiology, were treated with TC-325 as second-line therapy after failure of other endoscopic treatments, all of whom achieved hemostasis following the adjunct of TC-325.This multicentre registry identifies potentially useful characteristics of Hemospray (TC-325) when used either as monotherapy or as a rescue therapy in a wide variety of ulcer and nonulcer NVUGIB.