# The Effect of Esketamine on Patients Undergoing Tumor Surgery

> **NCT04613869** · NA · UNKNOWN · sponsor: **Second Affiliated Hospital, School of Medicine, Zhejiang University** · enrollment: 282 (estimated)

## Conditions studied

- Tumor Surgery

## Interventions

- **DRUG:** High-dose Esketamine hydrochloride+Hydromorphone
- **DRUG:** Low-dose Esketamine hydrochloride+Hydromorphone
- **DRUG:** Hydromorphone

## Key facts

- **NCT ID:** NCT04613869
- **Lead sponsor:** Second Affiliated Hospital, School of Medicine, Zhejiang University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-08-15
- **Primary completion:** 2021-08-15
- **Final completion:** 2021-10-15
- **Target enrollment:** 282 (ESTIMATED)
- **Last updated:** 2020-11-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04613869

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04613869, "The Effect of Esketamine on Patients Undergoing Tumor Surgery". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04613869. Licensed CC0.

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