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New MRI technique could reveal hidden tendon damage

NCT ID NCT06381492

Knowledge-focused Sponsor: University of Wisconsin, Madison 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study looked at 62 people with patellar tendon injuries to see if a special MRI technique called diffusion tensor imaging (DTI) can better measure tendon structure. Participants had MRI and ultrasound scans, did knee function tests, and filled out questionnaires. The goal was to learn how DTI compares to standard methods, not to test a treatment.

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.

Participants

62 people

The number who actually took part.

Started

May 2024

Finished

Dec 2025

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.

Who is studied

Cases: Adults 18 years or older with a diagnosis of patellar tendinopathy, or with a history of anterior cruciate ligament (ACL) reconstruction using bone-patellar tendon-bone autograft. Controls: Adults 18 years or older without a diagnosis of patellar tendinopathy or history of ACL reconstruction using bone-patellar tendon-bone autograft

Ages

18 years and older

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: * Age 18 or older * Have patellar tendon injury as confirmed through subjective report, clinical examination, and ultrasound by an experienced physical therapist * Patellar tendinopathy group must present with current symptoms of patellar tendinopathy * Control group must have no history of patellar tendon injury Exclusion Criteria: * Participants with a history of invasive procedures other than bone-patellar tendon-bone (BPTB) autograft harvest to the patellar tendon or extensor mechanism * Participants with history of contralateral BPTB autograft harvest, or ACLR using any other graft type * Participants with contraindications to MRI * Participants with contraindications to NMES

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Conditions

The condition(s) this trial relates to.

patellar tendinitis

As listed by the trial registrant

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

Anterior cruciate ligament reconstruction Patellar tendinopathy

Contacts and locations

Locations

  • University of Wisconsin - Madison

    Madison, Wisconsin, 53705, United States

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