Adults 13 to 18, any sex, with Concussion, Brain. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Persistent Post Concussion Symptoms (PPCS) (Yes/No)Primary· 28 days
PPCS is defined as more recovery that occurs 28 days or more from the day of concussive injury (yes) or before 28 days (no). Recovery is defined as asymptomatic, exercise tolerant and confirmation by independent medical examination.
Group
Value
95% CI
Concussed Participants Group 1
4
Concussed Participants Group 2
4
Sponsor's own description
The overarching purpose of this proposed research is to determine whether BDNF and/or specific miRNAs can serve as biomarkers for recovery from a concussion during prescribed exercise. The investigators hypothesize salivary BDNF and specific miRNA signatures will change in a statistically significant manner as participants proceed from injury to recovery and participants who show recovery in ANS regulation will show significant differences in salivary BDNF and specific miRNA expression. This study also aims to determine if BDNF and/or specific miRNA can serve as biomarkers of the return of ANS function in concussed patients. The basic premise here is that the volume of exercise will significantly affect the rate of change in the expression of salivary BDNF and miRNA from injury to recovery.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
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Sponsor: as reported to ClinicalTrials.gov by State University of New York at Buffalo
Last refreshed: 3 January 2024
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