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OsteoarthritisNCT02951026

An Observational Study Evaluating the Safety, Tolerability, and Efficacy of Treatment of SM04690 or Placebo Previously Injected in the Target Knee Joint of Subjects With Moderately to Severely Symptomatic Osteoarthritis

An observational study of Osteoarthritis, run by Biosplice Therapeutics, Inc. at 62 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This long-term extension study is designed to monitor the long-term safety, tolerability, and efficacy of treatment of SM04690 or placebo previously injected in the target knee joints of subjects with moderately to severely symptomatic osteoarthritis (OA) from a Samumed-sponsored SM04690-OA phase 2 or phase 3 study. Read more about this study

Who is it for?
Ages 40 to 80 years
Conditions the study is for
Osteoarthritis
What is being tested?
Not applicable (no therapy is administered as part of this study)
Type of treatment
Injection or infusion
How many people
703 participants
Where
62 sitesUnited States
Study dates
19 Sep 2016to 31 Oct 2019
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Subjects can only participate in this study upon completion of a Samumed SM04690-OA phase 2 or phase 3 study.

Who may be able to join

  • Completion of scheduled end-of-study visit of Samumed-sponsored SM04690-OA phase 2 or phase 3 studies
  • Full understanding of the requirements of the study and willingness to comply with all study visits and assessments
  • Subjects must have read and understood the informed consent form, and must have signed it prior to any study-related procedure being performed

Who cannot join

  • Unable to undergo the radiograph procedures detailed within the protocol
  • Partial or complete joint replacement in the target knee
  • Subjects who are immediate family members (spouse, parent, child, or sibling; biological or legally adopted) of personnel directly affiliated with the study at the investigative site, or are directly affiliated with the study at the investigative site
  • Subjects employed by Samumed, LLC, or any of its affiliates or development partners (that is, an employee, temporary contract worker, or designee) responsible for the conduct of the study

Trial locations and contacts

62 sites in 1 country.

62 sites in 1 country

United States62 sites
  • Research Site

    Albuquerque, New Mexico

  • Research Site

    Arlington, Virginia

  • Research Site

    Austin, Texas

  • Research Site

    Bedford, Texas

  • Research Site

    Birmingham, Alabama

  • Research Site

    Boston, Massachusetts

  • Research Site

    Boulder, Colorado

  • Research Site

    Canoga Park, California

  • Research Site

    Carmichael, California

  • Research Site

    Cerritos, California

  • Research Site

    Charleston, South Carolina

  • Research Site

    Charlotte, North Carolina

  • Research Site

    Charlottesville, Virginia

  • Research Site

    Chicago, Illinois

  • Research Site

    Cincinnati, Ohio

  • Research Site

    City of Saint Peters, Missouri

  • Research Site

    Clearwater, Florida

  • Research Site

    Cleveland, Ohio

  • Research Site

    Coral Gables, Florida

  • Research Site

    DeLand, Florida

  • Research Site

    Duncansville, Pennsylvania

  • Research Site

    Edgewater, Florida

  • Research Site

    El Cajon, California

  • Research Site

    Frederick, Maryland

  • Research Site

    Gold River, California

  • Research Site

    High Point, North Carolina

  • Research Site

    Houston, Texas

  • Research Site

    Kansas City, Missouri

  • Research Site

    Knoxville, Tennessee

  • Research Site

    La Mesa, California

  • Research Site

    Las Vegas, Nevada

  • Research Site

    Lauderdale Lakes, Florida

  • Research Site

    Layton, Utah

  • Research Site

    Lexington, Kentucky

  • Research Site

    Lincoln, Nebraska

  • Research Site

    Marietta, Georgia

  • Research Site

    Miami, Florida

  • Research Site

    Mt. Pleasant, South Carolina

  • Research Site

    Newton, Kansas

  • Research Site

    Orchard Park, New York

  • Research Site

    Oro Valley, Arizona

  • Research Site

    Palm Springs, California

  • Research Site

    Philadelphia, Pennsylvania

  • Research Site

    Phoenix, Arizona

  • Research Site

    Raleigh, North Carolina

  • Research Site

    Rancho Mirage, California

  • Research Site

    Rapid City, South Dakota

  • Research Site

    Rochester, New York

  • Research Site

    Sacramento, California

  • Research Site

    Salisbury, North Carolina

  • Research Site

    San Angelo, Texas

  • Research Site

    San Diego, California

  • Research Site

    San Marcos, California

  • Research Site

    Spring Valley, California

  • Research Site

    St Louis, Missouri

  • Research Site

    Stamford, Connecticut

  • Research Site

    Troy, Michigan

  • Research Site

    Trumbull, Connecticut

  • Research Site

    Tucson, Arizona

  • Research Site

    Waterbury, Connecticut

  • Research Site

    Wichita, Kansas

  • Research Site

    Woodstock, Georgia

Other trials in United States

About this study

Official title: A Phase 3, Multicenter, Observational Long-term Study Evaluating the Safety, Tolerability, and Efficacy of Treatment of SM04690 or Placebo Previously Injected in the Target Knee Joint of Subjects With Moderately to Severely Symptomatic Osteoarthritis

This long-term extension study is designed to monitor the long-term safety, tolerability, and efficacy of treatment of SM04690 or placebo previously injected in the target knee joints of subjects with moderately to severely symptomatic osteoarthritis (OA) from a Samumed-sponsored SM04690-OA phase 2 or phase 3 study. No additional SM04690 or placebo therapy will be administered in this study.

Conditions
Osteoarthritis
Being tested
Not applicable (no therapy is administered as part of this study)
Keywords
knee, osteoarthritis, intra-articular injection, SM04690
Medical subject headings
Osteoarthritis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Not applicable (no therapy is administered as part of this study)Other

    No experimental therapy or placebo is being administered in this study. All subjects in this observational study received a single intra-articular injection of SM04690 or placebo in a prior "parent" study.

Study groups in NCT02951026
Study groupRoleWhat they receive
0.03mg SM04690 (previously injected)Subjects in this group received a single intra-articular injection of 0.03mg SM04690 into the target knee during the "parent" study prior to enrolling in this observational study.
Receives: Other: Not applicable (no therapy is administered as part of this study)
0.07mg SM04690 (previously injected)Subjects in this group received a single intra-articular injection of 0.07mg SM04690 into the target knee during the "parent" study prior to enrolling in this observational study.
Receives: Other: Not applicable (no therapy is administered as part of this study)
0.23mg SM04690 (previously injected)Subjects in this group received a single intra-articular injection of 0.23mg SM04690 into the target knee during the "parent" study prior to enrolling in this observational study.
Receives: Other: Not applicable (no therapy is administered as part of this study)
Placebo (previously injected)Subjects in this group received a single intra-articular injection of placebo into the target knee during the "parent" study prior to enrolling in this observational study.
Receives: Other: Not applicable (no therapy is administered as part of this study)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Incidence rate of serious adverse events (SAEs)

    Compare the incidence rate of SAEs occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm by Month 60

    Measured: Month 60

Secondary outcomes (43)
  1. Adverse events (AEs) of interest

    Compare the number of subjects who experience an AE of interest occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm at Month 6. AEs of interest include those related to either knee and/or an AE that is a newly diagnosed chronic condition requiring treatment (e.g., hypertension, hyperlipidemia, diabetes).

    Measured: Month 6

  2. AEs of interest

    Compare the number of subjects who experience an AE of interest occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm at Month 12.

    Measured: Month 12

  3. AEs of interest

    Compare the number of subjects who experience an AE of interest occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm at Month 24.

    Measured: Month 24

  4. AEs of interest

    Compare the number of subjects who experience an AE of interest occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm at Month 36.

    Measured: Month 36

  5. AEs of interest

    Compare the number of subjects who experience an AE of interest occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm at Month 48.

    Measured: Month 48

  6. AEs of interest

    Compare the number of subjects who experience an AE of interest occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm at Month 60.

    Measured: Month 60

  7. Incidence and incidence rate of total knee replacement (TKR)

    Compare the incidence and incidence rate of TKR in the previously injected knee occurring in the (previously injected) SM04690 treatment arms to the (previously injected) placebo treatment arm by Month 60.

    Measured: Month 60

  8. Change in joint space width (JSW)

    Change from baseline in JSW as documented by X-ray of the target knee in both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 6.

    Measured: Baseline and Month 6

  9. Change in joint space width (JSW)

    Change from baseline in JSW as documented by X-ray of the target knee in both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 12.

    Measured: Baseline and Month 12

  10. Change in joint space width (JSW)

    Change from baseline in JSW as documented by X-ray of the target knee in both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 24.

    Measured: Baseline and Month 24

  11. Change in joint space width (JSW)

    Change from baseline in JSW as documented by X-ray of the target knee in both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 36.

    Measured: Baseline and Month 36

  12. Change in joint space width (JSW)

    Change from baseline in JSW as documented by X-ray of the target knee in both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 48.

    Measured: Baseline and Month 48

  13. Change in joint space width (JSW)

    Change from baseline in JSW as documented by X-ray of the target knee in both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 60.

    Measured: Baseline and Month 60

  14. Change in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) total score

    Change from baseline in WOMAC total score for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 6.

    Measured: Baseline and Month 6

  15. Change in WOMAC total score

    Change from baseline in WOMAC total score for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 12.

    Measured: Baseline and Month 12

  16. Change in WOMAC total score

    Change from baseline in WOMAC total score for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 24.

    Measured: Baseline and Month 24

  17. Change in WOMAC total score

    Change from baseline in WOMAC total score for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 36.

    Measured: Baseline and Month 36

  18. Change in WOMAC total score

    Change from baseline in WOMAC total score for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 48.

    Measured: Baseline and Month 48

  19. Change in WOMAC total score

    Change from baseline in WOMAC total score for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 60.

    Measured: Baseline and Month 60

  20. Change in WOMAC pain subscore

    Change from baseline in WOMAC pain subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 6.

    Measured: Baseline and Month 6

  21. Change in WOMAC pain subscore

    Change from baseline in WOMAC pain subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 12.

    Measured: Baseline and Month 12

  22. Change in WOMAC pain subscore

    Change from baseline in WOMAC pain subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 24.

    Measured: Baseline and Month 24

  23. Change in WOMAC pain subscore

    Change from baseline in WOMAC pain subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 36.

    Measured: Baseline and Month 36

  24. Change in WOMAC pain subscore

    Change from baseline in WOMAC pain subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 48.

    Measured: Baseline and Month 48

  25. Change in WOMAC pain subscore

    Change from baseline in WOMAC pain subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 60.

    Measured: Baseline and Month 60

  26. Change in WOMAC function subscore

    Change from baseline in WOMAC function subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 6.

    Measured: Baseline and Month 6

  27. Change in WOMAC function subscore

    Change from baseline in WOMAC function subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 12.

    Measured: Baseline and Month 12

  28. Change in WOMAC function subscore

    Change from baseline in WOMAC function subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 24.

    Measured: Baseline and Month 24

  29. Change in WOMAC function subscore

    Change from baseline in WOMAC function subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 36.

    Measured: Baseline and Month 36

  30. Change in WOMAC function subscore

    Change from baseline in WOMAC function subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 48.

    Measured: Baseline and Month 48

  31. Change in WOMAC function subscore

    Change from baseline in WOMAC function subscore for the target knee for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 60.

    Measured: Baseline and Month 60

  32. Change in Physician Global Assessment

    Change from baseline OA disease activity as assessed by Physician Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 6.

    Measured: Baseline and Month 6

  33. Change in Physician Global Assessment

    Change from baseline OA disease activity as assessed by Physician Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 12.

    Measured: Baseline and Month 12

  34. Change in Physician Global Assessment

    Change from baseline OA disease activity as assessed by Physician Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 24.

    Measured: Baseline and Month 24

  35. Change in Physician Global Assessment

    Change from baseline OA disease activity as assessed by Physician Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 36.

    Measured: Baseline and Month 36

  36. Change in Physician Global Assessment

    Change from baseline OA disease activity as assessed by Physician Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 48.

    Measured: Baseline and Month 48

  37. Change in Physician Global Assessment

    Change from baseline OA disease activity as assessed by Physician Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 60.

    Measured: Baseline and Month 60

  38. Change in Patient Global Assessment

    Change from baseline OA disease activity as assessed by Patient Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 6.

    Measured: Baseline and Month 6

  39. Change in Patient Global Assessment

    Change from baseline OA disease activity as assessed by Patient Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 12.

    Measured: Baseline and Month 12

  40. Change in Patient Global Assessment

    Change from baseline OA disease activity as assessed by Patient Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 24.

    Measured: Baseline and Month 24

  41. Change in Patient Global Assessment

    Change from baseline OA disease activity as assessed by Patient Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 36.

    Measured: Baseline and Month 36

  42. Change in Patient Global Assessment

    Change from baseline OA disease activity as assessed by Patient Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 48.

    Measured: Baseline and Month 48

  43. Change in Patient Global Assessment

    Change from baseline OA disease activity as assessed by Patient Global Assessment for both the (previously injected) SM04690 treatment arms and the (previously injected) placebo treatment arm at Month 60.

    Measured: Baseline and Month 60

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Nov 2016 (estimated)
  2. Study start19 Sep 2016
  3. Primary completion31 Oct 2019
  4. Study completion31 Oct 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
703 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02951026
Sponsor's protocol ID
SM04690-OA-05
Status last verified
Apr 2020
First submitted
7 Oct 2016
Last updated
17 Apr 2020
Results posted
No
Data monitoring committee
No

Publications

  • Swearingen CJ, Tambiah JRS, Simsek I, Ghandehari H, Kennedy S, Yazici Y. Evaluation of Safety and Efficacy of a Single Lorecivivint Injection in Patients with Knee Osteoarthritis: A Multicenter, Observational Extension Trial. Rheumatol Ther. 2025 Feb;12(1):157-171. doi: 10.1007/s40744-024-00731-9. Epub 2025 Jan 4.

    PubMed 39755925

Questions about this trial

What is this clinical trial studying?

An observational study of Osteoarthritis, run by Biosplice Therapeutics, Inc. at 62 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Apr 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 62 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence rate of serious adverse events (SAEs) (time frame: Month 60). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02951026, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Apr 2020.

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Clinical Trial NCT02951026 | AzTrials