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Heading in Football: Impact on Neural Blood Biomarkers

Heading in Football: Impact on Neural Blood Biomarkers

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06147596
Acronym
HEADLINE
Enrollment
335
Registered
2023-11-27
Start date
2024-08-13
Completion date
2024-12-17
Last updated
2025-05-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Concussion, Mild, CTE - Chronic Traumatic Encephalopathy, Head Injury, Minor, Neurodegeneration

Keywords

Heading, Soccer, Head impact, Blood biomarker, Neurodegeneration

Brief summary

The goal of this observational study is to evaluate the safety of heading in football. We will study the release of biomarkers in blood that reflect microscopic neural damage. The main questions this study aims to answer are: * Does participation in a football match lead to a change in biomarkers that reflect microscopic neural damage? * Is the dose of exposure during a football match related to the magnitude of change in biomarkers that reflect microscopic neural damage? Participants will participate in a regular football match and provide blood samples before and right after the football match. The football match will be recorded on video to count the number of headers of all participants.

Detailed description

The objective of this prospective observational study is to determine the potential impact of ball heading in football on brain integrity as assessed by blood biomarkers for neural damage in a real-world setting. Healthy amateur football players will be recruited to participate in the study. Participants will be invited to play a regular football match for investigation purposes. They will provide a blood sample within one hour before the start of the match and a second blood sample within one hour after the match. Participants will be asked to provide a third blood sample within 48 hours after participation, but this is not obligatory. The football match will be recorded on video to determine the number of head impacts of all participants. Furthermore, participants will wear heart rate sensors and local positioning sensors to determine the internal and external training load and account for the possible confounding effects of exercise on neural blood biomarkers.

Interventions

OTHERHead impact exposure

The cohort is exposed to naturalistic head impacts (heading) during voluntary participation in a soccer match. All participants are regular soccer players and are therefore not exposed to excessive head impacts compared to their regular exposure.

Sponsors

Koninklijke Nederlandse VoetbalBond (KNVB)
CollaboratorUNKNOWN
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Member of the KNVB; * 18 years or older; * Male * Self-reported fitness to play 70-90 minutes (absence of injury).

Exclusion criteria

* Sustained a head injury in the last year; * History or current neurological condition; * Regular participation in other contact sports (e.g. rugby, American football, ice hockey, fighting sports); * (Former) military personnel with a history of fighting/blast exposure

Design outcomes

Primary

MeasureTime frameDescription
Concentration of serum neurofilament light proteinT0 (<1hour pre-match), T1 (<1hour post-match), T2 (<48hour post-match)The difference in serum neurofilament light protein between pre-match samples and post-match samples.

Secondary

MeasureTime frameDescription
Concentration of serum S100B proteinT0 (<1hour pre-match), T1 (<1hour post-match), T2 (<48hour post-match)The difference in serum S100B protein between pre-match samples and post-match samples.
Concentration of serum p-tau proteinT0 (<1hour pre-match), T1 (<1hour post-match), T2 (<48hour post-match)The difference in serum p-tau protein between pre-match samples and post-match samples.
Concentration of serum Neuron Specific Enolase proteinT0 (<1hour pre-match), T1 (<1hour post-match), T2 (<48hour post-match)The difference in serum Neuron Specific Enolase protein between pre-match samples and post-match samples.
Concentration of serum Glial Fibrillary Acidic ProteinT0 (<1hour pre-match), T1 (<1hour post-match), T2 (<48hour post-match)The difference in serum Glial Fibrillary Acidic Protein between pre-match samples and post-match samples.
Concentration of serum beta-synucleinT0 (<1hour pre-match), T1 (<1hour post-match), T2 (<48hour post-match)The difference in serum beta-synuclein between pre-match samples and post-match samples.

Countries

Netherlands

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026