# Using Preoperative Anxiety Score to Determine the Total Dose of Butorphanol for Sedation

> **NCT03810391** · PHASE2 · COMPLETED · sponsor: **Shengjing Hospital** · enrollment: 126 (actual)

## Conditions studied

- Preoperative Anxiety Score
- Total Dose of Butorphanol

## Interventions

- **DRUG:** Butorphanol
- **OTHER:** physiological saline

## Key facts

- **NCT ID:** NCT03810391
- **Lead sponsor:** Shengjing Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-12-01
- **Primary completion:** 2018-12-20
- **Final completion:** 2018-12-31
- **Target enrollment:** 126 (ACTUAL)
- **Last updated:** 2019-01-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03810391

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03810391, "Using Preoperative Anxiety Score to Determine the Total Dose of Butorphanol for Sedation". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT03810391. Licensed CC0.

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