# Optimum Length of Catheter in the Epidural Space for Labor Analgesia in Non-obese Women: a Randomised Controlled Trial of 4 cm Versus 5 cm

> **NCT04946032** · NA · COMPLETED · sponsor: **Samuel Lunenfeld Research Institute, Mount Sinai Hospital** · enrollment: 200 (actual)

## Conditions studied

- Labor Pain

## Interventions

- **OTHER:** Epidural catheter

## Key facts

- **NCT ID:** NCT04946032
- **Lead sponsor:** Samuel Lunenfeld Research Institute, Mount Sinai Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-11-23
- **Primary completion:** 2024-07-26
- **Final completion:** 2024-07-27
- **Target enrollment:** 200 (ACTUAL)
- **Last updated:** 2026-04-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04946032

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04946032, "Optimum Length of Catheter in the Epidural Space for Labor Analgesia in Non-obese Women: a Randomised Controlled Trial of 4 cm Versus 5 cm". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04946032. Licensed CC0.

---

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