# Endoscopic Antegrade Sphincterotomy (ASD) Versus Standard Sphincterotomy

> **NCT04406961** · NA · COMPLETED · sponsor: **Military Medical Clinical Center of the Southern Region, Ukraine** · enrollment: 1521 (actual)

## Conditions studied

- Choledocholithiasis
- Papillary Stenosis
- Biliary Obstruction
- Gallstone Disease
- External Biliary Fistula
- Malignant Biliary Obstruction
- Benign Biliary Strictures With Current or Prior Biliary Obstruction

## Interventions

- **PROCEDURE:** Endoscopic transpapillary antegrade sphincterotomy developed by Dr. Dovbenko.
- **DEVICE:** The antegrade sphincterotome developed by Dr. Dovbenko.
- **PROCEDURE:** Endoscopic sphincterotomy.
- **DEVICE:** The standard sphincterotome.

## Key facts

- **NCT ID:** NCT04406961
- **Lead sponsor:** Military Medical Clinical Center of the Southern Region, Ukraine
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-01
- **Primary completion:** 2024-12-21
- **Final completion:** 2025-12-21
- **Target enrollment:** 1521 (ACTUAL)
- **Last updated:** 2026-01-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04406961

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04406961, "Endoscopic Antegrade Sphincterotomy (ASD) Versus Standard Sphincterotomy". Retrieved via AI Analytics 2026-06-29 from https://api.ai-analytics.org/clinical/NCT04406961. Licensed CC0.

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