# The Study of Bilateral Upper Laryngeal Nerve Block for Supporting the Removal of Vocal Cord Polyps Under Laryngoscopy

> **NCT05309174** · NA · UNKNOWN · sponsor: **Guizhou Provincial People's Hospital** · enrollment: 80 (estimated)

## Conditions studied

- Vocal Cord Polyp

## Interventions

- **PROCEDURE:** USG-guided iSLN block

## Key facts

- **NCT ID:** NCT05309174
- **Lead sponsor:** Guizhou Provincial People's Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-11-01
- **Primary completion:** 2022-08-01
- **Final completion:** 2022-12-30
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2022-04-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05309174

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05309174, "The Study of Bilateral Upper Laryngeal Nerve Block for Supporting the Removal of Vocal Cord Polyps Under Laryngoscopy". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05309174. Licensed CC0.

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