# Comparison of TAP, Anterior QL, or ESP Block for Elective Cesarean Section

> **NCT03695172** · PHASE4 · TERMINATED · sponsor: **Duke University** · enrollment: 12 (actual)

## Conditions studied

- Pain, Postoperative
- Cesarean Section

## Interventions

- **DRUG:** Ropivacaine
- **PROCEDURE:** TAP block
- **BIOLOGICAL:** QL block
- **PROCEDURE:** ESP block

## Key facts

- **NCT ID:** NCT03695172
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2019-09-12
- **Primary completion:** 2021-03-18
- **Final completion:** 2021-03-20
- **Target enrollment:** 12 (ACTUAL)
- **Why stopped:** Decline of eligible participants
- **Last updated:** 2022-01-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03695172

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03695172, "Comparison of TAP, Anterior QL, or ESP Block for Elective Cesarean Section". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03695172. Licensed CC0.

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