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Wearable tech takes on knee injuries: small study tests sensor accuracy

NCT ID NCT03805464

Knowledge-focused Sponsor: Duke University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a wearable sensor can detect changes in knee joint loading after a small amount of fluid is injected into the knee (simulating injury). Fourteen healthy adults aged 18-35 participated. Researchers measured walking patterns, muscle activity, and balance before and after the injection. The goal was to see if an inexpensive, publicly available sensor could spot biomechanical changes, which could help monitor knee injuries and osteoarthritis in the future.

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

14 people

The number who actually took part.

Started

Jan 2019

Finished

May 2023

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 35 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: * Male and female * Chronological age 18-35 at the time of study participation * Physically active (at least 30 minutes of physical activity, 3x/week) * Tegner Activity Scale score at least 5/10 Exclusion Criteria: * History of lower extremity or lumbar spine surgery. * History of lower extremity or lumbar spine injury in the prior 6 months. * History of major ligamentous damage. * Current knee pain. * Known neurological condition, autoimmune condition, cardiovascular disease. * History of epilepsy, seizures, concussion within the prior 6 months. * Currently taking pain altering medication. * Fear of needles * Unable to read and understand English language * Pregnancy

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Conditions

The condition(s) this trial relates to.

Knee Injuries osteoarthritis, knee

As listed by the trial registrant

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

Knee injuries Knee osteoarthritis

Contacts and locations

Locations

  • Michael W. Krzyzewski Human Performance Laboratory

    Durham, North Carolina, 27705, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.