# Opioid Free Anesthesia in Breast Cancer Surgery

> **NCT04390698** · NA · COMPLETED · sponsor: **Peking University People's Hospital** · enrollment: 80 (actual)

## Conditions studied

- Opioid Free Anesthesia

## Interventions

- **PROCEDURE:** paravertebral block
- **DRUG:** opioid free anesthesia
- **PROCEDURE:** sham block
- **PROCEDURE:** opioid general anesthesia

## Key facts

- **NCT ID:** NCT04390698
- **Lead sponsor:** Peking University People's Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-07-01
- **Primary completion:** 2021-03-15
- **Final completion:** 2022-03-15
- **Target enrollment:** 80 (ACTUAL)
- **Last updated:** 2022-04-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04390698

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04390698, "Opioid Free Anesthesia in Breast Cancer Surgery". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04390698. Licensed CC0.

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