# The "Concussion or Brain Bleed" Trial

> **NCT04002505** · NA · ENROLLING_BY_INVITATION · sponsor: **Mayo Clinic** · enrollment: 370 (estimated)

## Conditions studied

- Head Injury

## Interventions

- **OTHER:** Concussion and Brain Bleed App (CBB)

## Key facts

- **NCT ID:** NCT04002505
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2019-06-27
- **Primary completion:** 2030-12
- **Final completion:** 2030-12
- **Target enrollment:** 370 (ESTIMATED)
- **Last updated:** 2025-05-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04002505

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04002505, "The "Concussion or Brain Bleed" Trial". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT04002505. Licensed CC0.

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