Can a simple supplement shield the brain from repeated blows?
NCT ID NCT07050173
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early study tests whether a daily supplement called gamma-glutamylcysteine (GGC) can boost the brain's natural antioxidant levels in people who have had repeated head impacts, such as retired NFL players and military veterans. The 30 participants will take GGC tablets for a period, and researchers will use brain scans and cognitive tests to measure changes. The goal is to see if this approach can reduce oxidative stress and potentially slow brain injury.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- gamma-glutamylcysteine (GGC) supplement
- What this could lead to
- If it works, this could point toward a way to reduce brain damage from repeated head impacts, potentially helping athletes and military personnel.
- What could go wrong
- This is a very early Phase 1 trial with only 30 people, no placebo group, and it mainly checks if the supplement reaches the brain. It may not lead to any proven treatment.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
UPMC Presbyterian Hospital
RECRUITINGPittsburgh, Pennsylvania, 15213, United States
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