# Efficacy, Safety and Underlying Mechanisms of Sphenopalatine Ganglion Acupuncture for Perennial Allergic Rhinitis

> **NCT04234451** · NA · UNKNOWN · sponsor: **Beijing Tongren Hospital** · enrollment: 40 (estimated)

## Conditions studied

- Perennial Allergic Rhinitis

## Interventions

- **PROCEDURE:** SPA acupuncture
- **PROCEDURE:** sham acupuncture

## Key facts

- **NCT ID:** NCT04234451
- **Lead sponsor:** Beijing Tongren Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-12-01
- **Primary completion:** 2022-02-01
- **Final completion:** 2022-09-30
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2021-07-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04234451

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04234451, "Efficacy, Safety and Underlying Mechanisms of Sphenopalatine Ganglion Acupuncture for Perennial Allergic Rhinitis". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04234451. Licensed CC0.

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