# Fistulotomy as the Primary Cannulation Technique for All Patients Undergoing ERCP: A Randomized, Controlled Trial

> **NCT04559867** · NA · SUSPENDED · sponsor: **Lawrence Charles Hookey** · enrollment: 538 (estimated)

## Conditions studied

- Cholangiopancreatography, Endoscopic Retrograde
- Biliary Tract Diseases

## Interventions

- **PROCEDURE:** Needle knife fistulotomy
- **PROCEDURE:** Sphincterotomy

## Key facts

- **NCT ID:** NCT04559867
- **Lead sponsor:** Lawrence Charles Hookey
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** SUSPENDED
- **Start date:** 2020-09-10
- **Primary completion:** 2024-03-30
- **Final completion:** 2024-12-10
- **Target enrollment:** 538 (ESTIMATED)
- **Why stopped:** slower than expected recruitment
- **Last updated:** 2024-04-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04559867

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04559867, "Fistulotomy as the Primary Cannulation Technique for All Patients Undergoing ERCP: A Randomized, Controlled Trial". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT04559867. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*