# Postpartum Perineal Pain After Obstetric Anal Sphincter Injuries

> **NCT03470675** · PHASE4 · COMPLETED · sponsor: **Northwestern University** · enrollment: 67 (actual)

## Conditions studied

- Pain
- Postpartum Depression

## Interventions

- **DRUG:** Epidural saline + IV saline
- **DRUG:** Epidural morphine 3 mg + IV saline
- **DRUG:** Epidural morphine 3 mg + IV ketamine 0.3 mg/kg

## Key facts

- **NCT ID:** NCT03470675
- **Lead sponsor:** Northwestern University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-06-27
- **Primary completion:** 2024-05-20
- **Final completion:** 2024-06-20
- **Target enrollment:** 67 (ACTUAL)
- **Last updated:** 2026-04-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03470675

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03470675, "Postpartum Perineal Pain After Obstetric Anal Sphincter Injuries". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03470675. Licensed CC0.

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