# Effect of Quadratus Lumborum Block With Compound Lidocaine and Esketamine on Pain After Colorectal Surgery

> **NCT05964985** · NA · UNKNOWN · sponsor: **Tianjin Medical University General Hospital** · enrollment: 160 (estimated)

## Conditions studied

- Postoperative Pain

## Interventions

- **DRUG:** Normal saline
- **DRUG:** Ropivacaine
- **DRUG:** Compound lidocaine
- **DRUG:** Esketamine

## Key facts

- **NCT ID:** NCT05964985
- **Lead sponsor:** Tianjin Medical University General Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2023-08-06
- **Primary completion:** 2024-01-15
- **Final completion:** 2024-02-15
- **Target enrollment:** 160 (ESTIMATED)
- **Last updated:** 2023-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05964985

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05964985, "Effect of Quadratus Lumborum Block With Compound Lidocaine and Esketamine on Pain After Colorectal Surgery". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT05964985. Licensed CC0.

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