# Predictors of Epidural Depth in Percutaneous Nephrolithotomy and Model Development

> **NCT07697053** · — · COMPLETED · sponsor: **Tongji Hospital** · enrollment: 3278 (actual)

## Conditions studied

- Epidural Anesthesia
- Percutaneous Nephrolithotomy (PCNL)

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07697053
- **Lead sponsor:** Tongji Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-01-01
- **Primary completion:** 2025-12-31
- **Final completion:** 2026-08-31
- **Target enrollment:** 3278 (ACTUAL)
- **Last updated:** 2026-09-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07697053

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07697053, "Predictors of Epidural Depth in Percutaneous Nephrolithotomy and Model Development". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT07697053. Licensed CC0.

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