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A novel self-assembling peptide for hemostasis during endoscopic submucosal dissection: a randomized controlled trial

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Background: Endoscopic submucosal dissection (ESD) is associated with a risk of bleeding. Bleeding is usually treated with diathermy, although this does carry a risk of mucosal thermal injury. Purastat is a topical hemostat that may be effective in controlling bleeding during ESD, thereby reducing the use of heat therapy. The aim of this study was to assess the reduction in heat therapy used in the interventional group (Purastat) compared with the control group. The secondary aims were to compare the procedure length, time for hemostasis, delayed bleeding rate, adverse events, and wound healing between the groups.

Methods: This was a single-center randomized controlled trial of 101 patients undergoing ESD. Participants were randomized to a control group where diathermy was used to control bleeding or an interventional group where Purastat could be used. Follow-up endoscopy was performed at 4 weeks to assess wound healing.

Results: There was a significant reduction in the use of heat therapy for intraprocedural hemostasis in the interventional group compared with controls (49.3 % vs. 99.6 %, P < 0.001). There were no significant differences in the procedure length, time for hemostasis, and delayed bleeding rate between the groups. Complete wound healing at 4 weeks was noted in 48.8 % of patients in the interventional group compared with 25.0 % of controls (P = 0.02).

Conclusions: This study has demonstrated that Purastat is an effective hemostat that can reduce the need for heat therapy for bleeding during ESD. It may also have a role in improving post-resection wound healing.
Original languageEnglish
JournalEndoscopy
Early online date17 Jul 2020
DOIs
Publication statusEarly online - 17 Jul 2020

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  • A novel self-assembling peptide for lemostasis

    Rights statement: Subramaniam, S., Kandiah, K., Chedgy, F., Fogg, C., Thayalasekaran, S., Alkandari, A., & Bhandari, P. (2020). A novel self-assembling peptide for hemostasis during endoscopic submucosal dissection: a randomised controlled trial. Endoscopy. Ahead of print. © Georg Thieme Verlag KG. doi: 10.1055/a-1198-0558.

    Accepted author manuscript (Post-print), 992 KB, PDF document

    Due to publisher’s copyright restrictions, this document is not freely available to download from this website until: 17/07/21

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