# Effect of Noise Blocking During General Anesthesia on Postoperative Pain

> **NCT05540691** · NA · COMPLETED · sponsor: **The Second Affiliated Hospital of Chongqing Medical University** · enrollment: 90 (actual)

## Conditions studied

- Postoperative Pain

## Interventions

- **DEVICE:** Wear noise-cancelling earphones

## Key facts

- **NCT ID:** NCT05540691
- **Lead sponsor:** The Second Affiliated Hospital of Chongqing Medical University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-10-08
- **Primary completion:** 2023-02-28
- **Final completion:** 2023-02-28
- **Target enrollment:** 90 (ACTUAL)
- **Last updated:** 2023-03-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05540691

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05540691, "Effect of Noise Blocking During General Anesthesia on Postoperative Pain". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT05540691. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*