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PRP shot after ACL tear may curb arthritis risk

NCT ID NCT05412381

Disease control Sponsor: Hospital for Special Surgery, New York Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a platelet-rich plasma (PRP) injection, given soon after an ACL knee injury, can reduce inflammation and improve knee function. About 56 people with a recent ACL tear will receive either PRP or a placebo. The goal is to see if this treatment can lower the chance of developing post-traumatic osteoarthritis later on.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 56 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2022

Expected to finish

Dec 2026

An estimate. End dates often move.

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 50 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: * Acute ACL injury within 6 weeks of presentation * Age 14-50 * Male or female * Meniscus injury that can be treated with meniscectomy or repair (the lack of meniscus injury will not exclude patients) Exclusion Criteria: * Prior ACL reconstruction * Prior cartilage repair procedure * Prior meniscus surgery within 12 months * Prior steroid, hyaluronic acid, or PRP injection within 6 months * Other ligament injury requiring repair * Any cartilage lesion requiring repair * Any cartilage lesion greater than grade 2 (partial thickness injury) * History of inflammatory arthritis or joint sepsis * Non English speakers

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries familial pityriasis rubra pilaris osteoarthritis prevention target

As listed by the trial registrant

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

Anterior cruciate ligament injuries Post-traumatic osteoarthritis PRP

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Hospital for Special Surgery

    RECRUITING

    New York, New York, 10021, United States

More trials for these conditions

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