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New artery treatment takes on steroid shots for knee pain

NCT ID NCT05818150

Symptom relief Sponsor: Merit Medical Systems, Inc. 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a new procedure called genicular artery embolization (GAE) against standard steroid injections for people with knee osteoarthritis. The goal is to see if blocking certain arteries with tiny beads can provide better pain relief than steroid shots. The trial involves 264 adults with mild to severe knee pain that hasn't improved with other treatments.

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 264 people

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

Started

Jan 2024

Expected to finish

Oct 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 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.

Key Inclusion Criteria: Provides written informed consent Age ≥21 years Mild to severe knee pain, defined as a WOMAC Pain score of ≥8 out of 20 (in the target knee) Pain refractory to conservative therapies for at least 90 days prior to enrollment/randomization. Kellgren-Lawrence grade 1, 2, 3 or 4 Key Exclusion Criteria: Planned major surgical or endovascular procedures ≤ 30 days after the index procedure. Advanced atherosclerosis Known history of rheumatoid or infectious arthritis. Prior knee replacement surgery of the target knee.

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

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

Knee osteoarthritis

Contacts and locations

Locations

  • Atlantic Medical Imaging

    Galloway, New Jersey, 08205, United States

  • Atlas Interventional

    Williamsville, New York, 14221, United States

  • Biotech Clinical Research/ Georgia Vascular Institute

    College Park, Georgia, 30337, United States

  • CHUM - Centre hospitalier de l'Université de Montréal

    Montreal, H2X OC1, Canada

  • Cardiovascular Health Clinic

    Oklahoma City, Oklahoma, 73134, United States

  • Emory University School of Medicine

    Atlanta, Georgia, 30322, United States

  • Georgetown University Medical Center

    Washington D.C., District of Columbia, 20007, United States

  • Grange University Hospital

    Cwmbran, NP44 8YN, United Kingdom

  • Hospital de Clínicas de Passo Fundo

    Passo Fundo, Brazil

  • Liverpool Hospital

    Liverpool, Australia

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

  • MedStar Washington Hospital Center

    Washington D.C., District of Columbia, 22010, United States

  • Memorial Care Long Beach Medical Center

    Long Beach, California, 90806, United States

  • North Shore Hospital/ Te Whatu Ora - Waitemata

    Takapuna, New Zealand

  • Northwell Health

    Manhasset, New York, 11030, United States

  • Northwestern University

    Chicago, Illinois, 60201, United States

  • Prostate Centers USA

    Raleigh, North Carolina, 27617, United States

  • Prostate Centers USA

    Falls Church, Virginia, 22043, United States

  • Prostate Centers USA

    Leesburg, Virginia, 20191, United States

  • Rutgers Health

    Newark, New Jersey, 07103, United States

  • Saint Louis University

    St Louis, Missouri, 63103, United States

  • Sunrise Vascular Center

    Sanford, North Carolina, 27330, United States

  • The Ohio State University

    Columbus, Ohio, 43210, United States

  • University Hospitals Dorset

    Bournemouth, United Kingdom

  • University of Sao Paulo

    São Paulo, Brazil

  • Vancouver General Hospital

    Vancouver, British Columbia, Canada

  • Weill Cornell Medicine

    New York, New York, 10022, United States

More trials for these conditions

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