# Phase 1b Study in Patients With Short-Lasting Unilateral Neuralgiform Headache Attacks (SUNHA)

> **NCT04905121** · PHASE1 · TERMINATED · sponsor: **Beckley Psytech Limited** · enrollment: 4 (actual)

## Conditions studied

- Short Lasting Unilateral Neuralgiform Headache Attacks

## Interventions

- **DRUG:** Psilocybin

## Key facts

- **NCT ID:** NCT04905121
- **Lead sponsor:** Beckley Psytech Limited
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2021-08-11
- **Primary completion:** 2022-04-22
- **Final completion:** 2022-04-22
- **Target enrollment:** 4 (ACTUAL)
- **Why stopped:** Unable to recruit patient population
- **Last updated:** 2022-10-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04905121

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04905121, "Phase 1b Study in Patients With Short-Lasting Unilateral Neuralgiform Headache Attacks (SUNHA)". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04905121. Licensed CC0.

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