# Study of Endoscopic Sphincterotomy With Needle Knife Papillotome in Patients of Ampullary Impacted Stone

> **NCT00173368** · — · COMPLETED · sponsor: **National Taiwan University Hospital** · enrollment: 20 (—)

## Conditions studied

- Choledocholithiasis
- Endoscopy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00173368
- **Lead sponsor:** National Taiwan University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2003-01
- **Primary completion:** —
- **Final completion:** 2005-03
- **Target enrollment:** 20 (—)
- **Last updated:** 2005-09-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00173368

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00173368, "Study of Endoscopic Sphincterotomy With Needle Knife Papillotome in Patients of Ampullary Impacted Stone". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT00173368. Licensed CC0.

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