e-ISSN: Pending
Negative / Null Result ReportMedicine

Sphincter-sparing pre-closure technique-assisted endoscopic papillectomy versus conventional endoscopic papillectomy for duodenal papilla adenomas: a multicenter retrospective cohort study.

Liu FQ; Ren LN; Zhou XR; Li XQ; Liu DQ; Liu WH · 2026 · Gastrointestinal endoscopy

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Background and aims This multicenter retrospective cohort study aims to evaluate the efficacy and safety of sphincter-sparing pre-closure technique-assisted endoscopic papillectomy (EP) versus conventional EP for duodenal papilla adenomas.…

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Metadata source: Europe PMC · DOI 10.1016/j.gie.2026.06.038