Growth Hormone Replacement Therapy for Retried Professional Football Players
Public ClinicalTrials.gov record NCT04121780. 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
Interventional Study of Growth Hormone Replacement Therapy in Retired Professional Football Players With Growth Hormone Deficiency
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a randomized, double-blind, placebo-controlled, parallel-group trial with an open-label extension to evaluate the efficacy of growth hormone (GH) on cognitive functions of retired professional football players with growth hormone deficiency (GHD).
Study identification
- NCT ID
- NCT04121780
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 42 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 76 Years
- Sex
- Male
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 7, 2019
- Primary completion
- Feb 28, 2025
- Completion
- Aug 31, 2026
- Last update posted
- Feb 7, 2023
2019 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Center for Neurolgoical Studies (CNS) | Dearborn | Michigan | 48126 | Recruiting |
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 NCT04121780, 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 Feb 7, 2023 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04121780 live on ClinicalTrials.gov.