Osteoarthritis of Knee Osteoarthritis of Knee Enrollment for this study has ended. Submit your information to be added to our database for future studies. Apply to Participate Name Email Phone Preferred Location Please Select One Smithfield, PA Scottdale, PA Uniontown, PA Morgantown, WV Kingwood, WV How Did You Hear About Us? Social Media Online Digital Ad Website Billboard Radio Text Message Print Publication or Flyer Communications Consent I accept communications and marketing from Frontier Clinical Research Submit