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Inside or outside the knee: which steroid injection spot eases arthritis pain better?

NCT ID NCT07804446

Symptom relief Sponsor: University of Chicago 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 04, 2026 · Last updated Sep 04, 2026

Summary

This trial compares two injection sites for steroid shots in people with moderate-to-severe knee osteoarthritis. Participants get the injection on either the inside or outside of the knee, then report pain and function over 12 weeks. The goal is to see if one spot provides better pain relief.

What this could mean

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

Active substance
corticosteroid injection
What this could lead to
If one injection site works better, doctors could choose that spot to give more effective pain relief for knee osteoarthritis.
What could go wrong
This is a small, early-stage trial, and the difference between injection sites may turn out to be small or not meaningful. Steroid injections also carry risks like infection or temporary pain flare.

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

About 140 people

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

Started

Aug 2026

Expected to finish

May 2027

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

40 years and older

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: * Age ≥ 40 * Clinical diagnosis of knee OA with predominant medial compartment symptoms * Radiographic moderate-to-severe medial compartment OA (KL grade 3-4 or equivalent) * Agreed to and preparing to receive a CSI of the knee as part of standard care from surgeon, regardless of past injection of the knee * Able to provide informed consent * Able to complete phone, email, or MyChart follow-ups in English Exclusion Criteria: * Predominant lateral compartment OA or patellofemoral-only OA * Inflammatory arthritis (RA, gout flare, etc.) * Suspected or confirmed joint infection or overlying cellulitis * Prior knee arthroplasty on the index knee * Planned surgery for index knee within 12-week follow-up * Inability to complete follow-up assessments * Other clinician-determined contraindication to CSI

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Conditions

The condition(s) this trial relates to.

agnosia arthritic joint disease osteoarthritis osteoarthritis, knee Pain

As listed by the trial registrant

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

Osteoarthitis Osteoarthritic knee pain Osteoarthritis (OA) Osteoarthritis (OA) of the knee Osteoarthritis in the knee

How to take part

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

  1. The places running it

    5 sites. 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

  • Bolingbrook Clinic

    RECRUITING

    Bolingbrook, Illinois, 60440, United States

  • Hyde Park Clinic

    RECRUITING

    Chicago, Illinois, 60637, United States

  • La Grange Clinic

    RECRUITING

    La Grange, Illinois, 60525, United States

  • Orland Park Clinic

    RECRUITING

    Orland Park, Illinois, 60462, United States

  • Woodridge Clinic

    RECRUITING

    Woodridge, Illinois, 60517, United States

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