# Headache Provocation of People Who Are Unable to Have Headache

> **NCT04217668** · NA · COMPLETED · sponsor: **Danish Headache Center** · enrollment: 58 (actual)

## Conditions studied

- Headache
- Healthy

## Interventions

- **DRUG:** Isosorbide Mononitrate 60 MG

## Key facts

- **NCT ID:** NCT04217668
- **Lead sponsor:** Danish Headache Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-02
- **Primary completion:** 2020-03-12
- **Final completion:** 2020-03-12
- **Target enrollment:** 58 (ACTUAL)
- **Last updated:** 2021-03-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04217668

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04217668, "Headache Provocation of People Who Are Unable to Have Headache". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04217668. Licensed CC0.

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