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Can a 3D-Printed gadget speed up knee recovery?

NCT ID NCT06524349

Symptom relief Sponsor: Sanford Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This trial explores whether using a custom 3D-printed knee extender, along with a home exercise program, helps people regain knee motion after ACL surgery. Participants who had an ACL tear will use the device at home and report their progress. The study measures how quickly they achieve full knee extension and how much swelling they have. The goal is to see if this simple tool can improve recovery outcomes.

What this could mean

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

Active substance
3D printed knee extender device used with an at-home rehabilitation program
What this could lead to
If it works, this could offer a low-cost, personalized tool to help people regain full knee motion faster after ACL surgery.
What could go wrong
This is a small early-stage study, and results may not apply to everyone. The device is new, and its benefits over standard rehab are not yet proven.

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

45 people

The number who actually took part.

Started

Jun 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.

Ages

14 to 60 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Diagnosed with a primary ACL rupture. Secondary knee pathology such as, but not limited to bone edema, strains, and meniscal pathology are acceptable as long as the primary injury and indication for surgery is the ACL rupture. * Able and willing to adhere to the study procedures * Able to consent for self-, or able to assent for self with parental consent Exclusion Criteria: * Pregnancy * Non-English speaking

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries

As listed by the trial registrant

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

Anterior cruciate ligament injuries Anterior cruciate ligament rupture Anterior cruciate ligament tear

Contacts and locations

Locations

  • Sanford Orthopedics and Sports Medicine

    Fargo, North Dakota, 58103, United States

  • Sanford Orthopedics and Sports Medicine

    Sioux Falls, South Dakota, 57104, United States

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