See if You Qualify

Fill out the form below to see if you meet the basic study requirements.

What’s Involved?

To participate in the osteoarthritis study, you will need to:

  • Fill out the eligibility questionnaire above
  • Receive a call from the study staff to answer further qualifications questions and schedule your first screening visit
  • Visit the study site twice per week during the 6-week study period to receive the investigational treatment injection or a placebo injection
  • Stay engaged with the study by attending 5 follow-up visits over the 18-week follow-up period to assess your progress

What is the treatment?

This investigational treatment, Pentosan Polysulfate Sodium (PPS), is an injection for the reduction of pain and improvement of function for those with knee OA pain.

Frequently asked questions

What is the goal of this study?

The goal is to determine the safety, efficacy, and dosing of the investigational treatment, Pentosan Polysulfate Sodium (PPS) injections, for treating pain in participants with osteoarthritis of the knee.

Where is the study site located?

Study sites are located across the continental US. Check the form above for the exact addresses of sites near you.

Is there compensation for my participation?

Yes, there is compensation available for participation and travel. Compensation amounts are determined on a site by site basis. Please check with your site for more information.

How long is the study?

The maximum study duration is up to 31 weeks, including a 7-week screening phase, 6 weeks of intervention with the study medication, and 18 weeks of follow-up. There is an optional continuation study for participants after the initial study period is completed.