# Labor Analgesia in the Latent Phrase

> **NCT00647725** · NA · COMPLETED · sponsor: **Nanjing Medical University** · enrollment: 15000 (actual)

## Conditions studied

- Labor Pain

## Interventions

- **PROCEDURE:** Active phrase epidural analgesia
- **PROCEDURE:** Latent phrase epidural analgesia

## Key facts

- **NCT ID:** NCT00647725
- **Lead sponsor:** Nanjing Medical University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-01
- **Primary completion:** 2007-12
- **Final completion:** 2007-12
- **Target enrollment:** 15000 (ACTUAL)
- **Last updated:** 2009-10-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00647725

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00647725, "Labor Analgesia in the Latent Phrase". Retrieved via AI Analytics 2026-08-11 from https://api.ai-analytics.org/clinical/NCT00647725. Licensed CC0.

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