NFL LONG Prospective Study
Public ClinicalTrials.gov record NCT04263337. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Neurologic Function Across the Lifespan: A Prospective, LONGitudinal, and Translational Study for Former National Football League Players
Study identification
- NCT ID
- NCT04263337
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Enrollment
- 250 participants
Conditions and interventions
Conditions
Interventions
- [11C] PiB Drug
- [18F] Flortaucipir Drug
- [18F] PBR111 Drug
Drug
Eligibility (public fields only)
- Age range
- 50 Years to 70 Years
- Sex
- Male
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 11, 2020
- Primary completion
- Jul 31, 2028
- Completion
- Jul 31, 2028
- Last update posted
- Apr 21, 2026
2020 – 2028
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Boston Children's Hospital | Waltham | Massachusetts | 02453 | — |
| University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | 27599 | — |
| Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04263337, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 21, 2026 · Synced Apr 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04263337 live on ClinicalTrials.gov.