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Mouthguard may alter neck posture and heart rate while running

NCT ID NCT07716631

Knowledge-focused Sponsor: Universidad Europea de Valencia Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 21, 2026 · Last updated Jul 28, 2026 · Updated 3 times

Summary

This pilot study tests whether wearing a custom-fit thermoformable mouthguard affects neck posture, heart rate, and running performance in non-professional runners. Ten healthy adults aged 18–25 who run regularly will have their craniovertebral angle and heart rate measured with and without the mouthguard during a running test. The goal is to see if changing the bite position can influence body alignment and exercise response.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
a thermoformable mouthguard
What this could lead to
If it works, this could point toward a simple way to improve running efficiency or posture using a mouthguard.
What could go wrong
This is a very small pilot study with only 10 participants, so results may not apply to all runners. The effects, if any, might be minor or inconsistent.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

10 people

The number who actually took part.

Started

Oct 2025

Finished

May 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 25 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria: * Students from Universidad Europea de Valencia enrolled in dentistry and physiotherapy programs, aged between 18 and 25 years * Regularly engaged in running training, with at least one year of experience * Already participated in an official half marathon * Good general health status * Willingness to comply with the study protocol and provision of written informed consent prior to participation Exclusion criteria: * Subjects reporting a history of muscular injuries, active inflammatory or infectious processes in the last 6 months * Known cardiovascular diseases * Pregnancy * Use of orthopedic shoe insoles * Use of mouthguard during running As I am unable to upload the flow chart image, I have provided its content in text format below. 1. Recruitment * Participants assessed for eligibility (n = 17) * Excluded (n = 8): * Declined participation due to lack of time (n = 3) * Did not meet the inclusion criteria (n = 5) 2. Allocation and follow-up * Participants included in the study (n = 9) * Assigned to both conditions (within-subject design): * Natural occlusion condition (n = 9) * Thermoformable mouthguard condition (n = 9) * Completed follow-up (n = 9) 3. Analysis - Participants included in the final analysis (n = 9)

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Craniovertebral angle Heart rate Occlusal mouthguards Postural assessment Posture

Contacts and locations

Locations

  • Universidad Europea de Valencia

    Valencia, Valencia, 46003, Spain

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