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The Stone Research Foundation is recruiting participants for a clinical study looking at amniotic fluid, growth factors and lubrication in injured & arthritic knees.


If you are you not currently participating in any study, are over the age of 18 and experiencing knee pain you may be a candidate for this study, provided you answer NO to the following questions:

  • Have you had any injection in the knee in the past 6 months?

  • Have you had knee surgery in the past 3 months?


  • You must be able to attend 2 appointments within 7 days in San Francisco, CA.

  • Some treatment costs ($1000) will be at patient expense.


If you would like to be considered for participation in the study, please fill out the form below and our research team will follow up with you to determine if you qualify for this study. 

You can learn about more about our stem cell treatment on our FAQ PAGE for this study. If you have any further questions, you may contact us via email or call us at 415-921-1220.