# Ultrasound-Guided Erector Spinae Plan Block for Colorectal Surgery

> **NCT04313764** · NA · UNKNOWN · sponsor: **Ataturk University** · enrollment: 48 (estimated)

## Conditions studied

- Colorectal Cancer
- Postoperative Pain

## Interventions

- **DRUG:** Bupivacaine Hcl 0.25% ESP block
- **DRUG:** Bupivacaine Hcl 0.25% infiltration

## Key facts

- **NCT ID:** NCT04313764
- **Lead sponsor:** Ataturk University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-18
- **Primary completion:** 2020-07-30
- **Final completion:** 2020-08-15
- **Target enrollment:** 48 (ESTIMATED)
- **Last updated:** 2020-06-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04313764

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04313764, "Ultrasound-Guided Erector Spinae Plan Block for Colorectal Surgery". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04313764. Licensed CC0.

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