Clinical Trial Participation

If you meet all of the following inclusion criteria, you may be a candidate for the PROGRESS IV clinical trial:

  • Between 21 and 80 years old
  • Willing and able to comply with the trial procedures and visit schedules
  • Symptomatic osteoarthritis in only one knee
  • Body mass index ≤ 40 kg/m2
  • At least one prior conservative osteoarthritis treatment without satisfactory pain relief


If you meet any of the following exclusion criteria, you may not enroll in the PROGRESS IV clinical trial:

  • Presence of symptomatic osteoarthritis in the non-study knee
  • Diagnosed with: 
    • Rheumatoid arthritis, psoriatic arthritis, gout or ankylosing spondylitis
    • Conditions affecting the joints, such as Reiter’s syndrome and arthritis resulting from other medical conditions
    • HIV or viral hepatitis
  • Pain or osteoarthritis isolated at the front of the knee
  • Diagnosed with leukemia, known presence of metastatic malignant cells, or ongoing or planned chemotherapeutic treatment
  • Untreated symptomatic injury of the study knee (e.g. injury to ACL or meniscus)
  • Presence of surgical hardware or other foreign body intended to treat arthritis or cartilage-related pathology in the study knee
  • Previous cartilage repair procedure on the injured cartilage of the study knee
  • Arthroscopy or open surgery of the study knee within 6 months prior to screening
  • Steroid injection of the study knee joint within 3 months prior to screening
  • Hyaluronic acid injection of the study knee joint within 6 months prior to screening
  • Other joint injections in the study knee within 6 months prior to screening
  • Orally administered systemic steroid use within 2 weeks prior to screening
  • Planned/anticipated surgery of the study knee during the study period
  • A history of local anesthetic allergy
  • Use of systemic immunosuppressants within 6 weeks prior to screening
  • Currently on anticoagulant therapy, potent anti-platelet therapy or dual anti-platelet therapy
  • Pregnant or nursing mothers or women planning on getting pregnant during the time they will be participating in the study
  • Drug or alcohol dependence currently or within the last year
  • Participation in any investigational drug or device trial within 30 days prior to screening
  • Participation in any investigational biologic trial within 60 days prior to screening


For more information, please contact your doctor.

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