# The Effect of Ganglion Sphenopalatine Block (GSP-block) Versus Placebo on Postdural Puncture Headache

> **NCT03652714** · PHASE3 · COMPLETED · sponsor: **University Hospital Bispebjerg and Frederiksberg** · enrollment: 40 (actual)

## Conditions studied

- Postdural Puncture Headache
- Sphenopalatine Ganglion Block

## Interventions

- **PROCEDURE:** Ganglion sphenopalatine block with local anesthetic
- **PROCEDURE:** Ganglion sphenopalatine block with placebo

## Key facts

- **NCT ID:** NCT03652714
- **Lead sponsor:** University Hospital Bispebjerg and Frederiksberg
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-09-19
- **Primary completion:** 2019-09-02
- **Final completion:** 2019-09-09
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2019-09-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03652714

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03652714, "The Effect of Ganglion Sphenopalatine Block (GSP-block) Versus Placebo on Postdural Puncture Headache". Retrieved via AI Analytics 2026-08-18 from https://api.ai-analytics.org/clinical/NCT03652714. Licensed CC0.

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