Phase 2 Osteoarthritis Trial, Recruiting NCT03491761 Sponsor: Endeavor Health Condition: Osteoarthritis
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Phase 2 Osteoarthritis Trial, Recruiting

NCT03491761
Recruiting Phase 2

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People who are able to give informed consent to participate in the study
  • People who have had chronic pain lasting more than 3 months
  • People whose knee X-ray (taken standing, with knees straight) shows a Grade 2 or 3 level of knee joint changes, based on a standard medical grading system called the Kellgren-Lawrence classification
  • People who rate their pain at least 40 out of 100 on a pain scale
  • People between 18 and 75 years old
  • People who have had a physical exam and provided their medical history
  • People whose blood test results — including platelet count and blood cell levels — are within the normal range
  • People whose C-Reactive Protein (a blood marker for inflammation) is within the normal range
  • People whose Erythrocyte Sedimentation Rate (another blood marker for inflammation) is within the normal range
  • People who have provided a list of their current medications

Who may not be able to join:

  • People who have a significant knee alignment problem (the knee bends inward or outward by more than 5 degrees)
  • People who have had surgery on the knee being treated within the past 12 months
  • People who have an autoimmune disorder (a condition where the immune system attacks the body)
  • People who have an active infection
  • People whose immune system is suppressed (for example, due to AIDS or similar conditions)
  • People who are on blood-thinning medication
  • People who have used anti-inflammatory pain medicines (such as ibuprofen or naproxen) within 5 days before a blood draw, or within 7 days after the last study treatment
  • People whose haemoglobin level is below 12 g/dL (a measure of red blood cells in the blood)
  • People whose platelet count is below 150,000 per mm³
  • People who have received an injection into the knee joint within the 3 weeks before the planned treatment
  • People who are pregnant or breastfeeding
  • People who have a known sensitivity or allergic reaction to hyaluronic acid (HA)
  • People who are unable to have an MRI scan due to metal implants in their body or due to severe claustrophobia (fear of enclosed spaces)
  • People who have diabetes
  • People who are currently receiving treatment for cancer
  • People who have an open or active wound on the knee
  • People who have recently experienced a knee injury (confirm with trial site for specific timeframe)
  • People who have a history of fainting or near-fainting (vasovagal episodes)
  • People who have received an injection of hyaluronic acid or platelet-rich plasma (PRP) into the affected knee within the past two years
  • People who, in the opinion of the trial investigator, would be unable to attend all required visits or complete all required treatments

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 9 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Jason L Koh, MD, MBA, Clinical Chairman, Dept. of Orthopaedics

Phone: 224-251-3481

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 2
Sponsor
Endeavor Health
Registry
ClinicalTrials.gov
Start date
13 June 2018
Est. completion
1 December 2025

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Cartilage Thickness on MRI

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 9 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov