Knee osteoarthritis drug trial ends early – what we know
NCT ID NCT04520607
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a drug called lorecivivint, given as a knee injection, to see if it could safely slow knee osteoarthritis and improve pain and function over two years. It enrolled 276 people who had already completed an earlier study. The trial was terminated early, so the full results are not available. The drug aims to control the disease rather than cure it.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- lorecivivint (a drug injected into the knee joint)
- What this could lead to
- If it works, this could point toward a treatment that slows knee osteoarthritis and eases pain and stiffness.
- What could go wrong
- This trial was terminated early, so results are limited. It is a Phase 3 study, but the drug may not work better than placebo, and injections carry risks like pain or infection.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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276 people
The number who actually took part.
- Started
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Aug 2020
- Finished
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Jun 2023
- Lead sponsor
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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
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41 to 81 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: 1. Completion of the Study SM04690-OA-11 (NCT03928184) 2. Compliance with procedures in study SM04690-OA-11, in the opinion of the Investigator 3. Fully understanding study requirements and willingness to comply with study visits and assessments 4. Understanding and signing of the informed consent form (ICF) prior to any study-related procedures Exclusion Criteria: 1. Any condition that, in the opinion of the Investigator, constitutes a risk or contraindication for participation in the study or that could interfere with the study objectives, conduct, or evaluation 2. Any contraindications for an intra-articular (IA) injection in the target knee in the opinion of the Investigator 3. Any known reason identified by the Investigator or Sponsor that the subject may not be compliant with study visits or may no longer be an appropriate candidate for the study (e.g. planned major surgery, knee replacement during the parent study, planning to move away from the research site, or initiation of a prohibited concomitant medication including, but not limited to, IA injection of glucocorticoids, hyaluronic acid derivatives, platelet-rich plasma, stem cell therapies, or other agents with therapeutic intent into the target knee) 4. Participation in a clinical research trial (other than the prior SM04690-OA-11 study) that included the receipt of an investigational product (IP) or any experimental therapeutic procedure within 12 weeks before any study injection, or planned participation in any such trial 5. Current or pending disability claim, workers' compensation, or litigation(s) that may compromise response to treatment 6. Pregnant women, breastfeeding women, and women who are not post-menopausal (defined as 12 months with no menses without an alternative medical cause) or permanently surgically sterile (includes hysterectomy, bilateral salpingectomy, and bilateral oophorectomy) who have a positive or indeterminate pregnancy test result at Visit 1E (Day 1) 7. Women who are not post-menopausal or permanently surgically sterile who are sexually active, and who are not willing to use birth control (as outlined in the protocol) during the study period
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Research Site
Tucson, Arizona, 85712, United States
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Research Site
Anaheim, California, 92805, United States
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Research Site
Pomona, California, 91767, United States
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Research Site
San Diego, California, 92103, United States
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Research Site
Thousand Oaks, California, 91360, United States
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Research Site
Denver, Colorado, 80209, United States
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Research Site
Hialeah, Florida, 33016, United States
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Research Site
Miami, Florida, 33173, United States
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Research Site
Miami Lakes, Florida, 33014, United States
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Research Site
Port Orange, Florida, 32127, United States
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Research Site
West Palm Beach, Florida, 33409, United States
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Research Site
Winter Haven, Florida, 33880, United States
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Research Site
Winter Park, Florida, 32789, United States
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Research Site
Newnan, Georgia, 30265, United States
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Research Site
Woodstock, Georgia, 30189, United States
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Research Site
Gurnee, Illinois, 60031, United States
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Research Site
Oak Brook, Illinois, 60523, United States
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Research Site
Valparaiso, Indiana, 46383, United States
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Research Site
New Orleans, Louisiana, 70124, United States
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Research Site
Bay City, Michigan, 48706, United States
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Research Site
Troy, Michigan, 48085, United States
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Research Site
Hazelwood, Missouri, 63042, United States
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Research Site
St Louis, Missouri, 63141, United States
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Research Site
Omaha, Nebraska, 68114, United States
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Research Site
Hartsdale, New York, 10530, United States
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Research Site
New York, New York, 10016, United States
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Research Site
Rochester, New York, 14609, United States
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Research Site
Charlotte, North Carolina, 28209, United States
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Research Site
Salisbury, North Carolina, 28144, United States
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Research Site
Winston-Salem, North Carolina, 27103, United States
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Research Site
Cincinnati, Ohio, 45242, United States
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Research Site
Columbus, Ohio, 43235, United States
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Research Site
Oklahoma City, Oklahoma, 73103, United States
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Research Site
Fort Mill, South Carolina, 29707, United States
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Research Site
Mt. Pleasant, South Carolina, 29464, United States
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Research Site
Rapid City, South Dakota, 57702, United States
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Research Site
Carrollton, Texas, 75007, United States
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Research Site
Plano, Texas, 75075, United States
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Research Site
San Antonio, Texas, 78229, United States
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Research Site
Draper, Utah, 84020, United States
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Research Site
Salt Lake City, Utah, 84107, United States
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Research Site
Charlottesville, Virginia, 22911, United States
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Other studies related to the condition(s) this trial covers.
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- Gel shot vs standard injection: which quiets arthritic knees?