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Efficacy and Safety of a Novel Hemostatic Peptide Solution During Endoscopic Submucosal Dissection: A Multicenter Randomized Controlled Trial

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AMERICAN JOURNAL OF GASTROENTEROLOGY
卷 118, 期 2, 页码 276-283

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LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.14309/ajg.0000000000002060

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This study compared the effectiveness of the novel hemostatic peptide TDM-621 with conventional hemostatic methods for treating intraoperative blood oozing during endoscopic submucosal dissection (ESD). The results showed that the TDM-621 group had significantly reduced coagulations with hemostatic forceps, a higher rate of hemostasis achievement with only TDM-621, and no serious safety concerns.
INTRODUCTION: To compare the effectiveness of the novel hemostatic peptide, TDM-621, with that of conventional hemostatic methods in treating intraoperative blood oozing during endoscopic submucosal dissection (ESD). METHODS: This multicenter, open-label, randomized controlled trial involved 227 patients with gastric and rectal epithelial tumors in whom ESD was indicated. Patients in whom the source of blood oozing was difficult to identify with waterjet washing during the procedure and required hemostasis with hemostatic forceps were randomly assigned to the TDM-621 and control groups. The TDM-621 group (in which hemostasis was achieved with TDM-621, followed by coagulation hemostasis with hemostatic forceps, as needed) was compared with the control group (in which hemostasis was achieved with hemostatic forceps). The primary end point was the mean number of coagulations with hemostatic forceps, determined by a blinded independent review committee. The secondary end points were the rate of achievement of hemostasis with only TDM-621, the dosage of TDM-621, and adverse events in the TDM-621 group. RESULTS: The mean number of coagulations with hemostatic forceps was significantly reduced in the TDM-621 group (1.0 +/- 1.4) compared with that in the control group (4.9 +/- 5.2) (P < 0.001). The rate of hemostasis achievement with only TDM-621 was 62.2%; the mean dosage of TDM-621 was 1.75 +/- 2.14 mL. The rates of grade >= 3 adverse events were 6.2% and 5.0% in the TDM-621 and control groups, respectively. DISCUSSION: TDM-621 is a useful, easily operable hemostatic peptide for treatment of blood oozing during gastric and rectal ESD, with no serious safety concerns.

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