Osteoarthritis of the Knee

Am I eligible for this study?

To find out, please answer yes or no to the following questions.


Are you 40 to 80 years of age?


Do you have knee pain?


Do you have a BMI between 18 and 40?



The purpose of the study is to detect treatment effects of over-the-counter pain medications and a prescription pain medication in patients with osteoarthritis of the knee. The study will last up to 68 days with 9 visits to our office and 1 follow-up phone call. 8 of the visits will last 8 hours. While in the study, your study-related visits, study-related medication, lab work and procedures are provided at no charge. If you do qualify and enroll, you may be compensated for your time and travel.


Use this link to find your BMI: https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmicalc.htm


40 to 80 years of age
Male and Female

Why take part?

Participants will receive study-related doctor’s care, study medication at no cost. Compensation for study-related time and travel may be available.

Millions of people lack the treatment they need to manage their conditions. As one of the largest and most recognized clinical study organisations in the world, Synexus provides a friendly relaxed environment where you have the opportunity to help others and maybe also yourself.

Who is Synexus?

Synexus is a company dedicated to conducting clinical studies, and has been investigating the effectiveness of new study drugs and treatments for more than 20 years. We provide a friendly, relaxed environment in our own clinics where you have the chance to help shape the future of health for yourself and for others.

We are sure you probably have more questions about the study, and we would be happy to take the time to give you more details.

All Synexus studies are approved by an independent ethics committee.

Recruiting at the following locations

Synexus - San Antonio Quick view
Synexus - Chandler Quick view
Synexus - Chicago Quick view
Synexus - St. Petersburg Quick view
Synexus - Cincinnati Quick view

Still unsure?

Feel free to call us on to find out more about this study.


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