Knee Stem Cell Therapy and Platelet Therapy Can Eliminate Knee Joint Pain Without Surgery.
Orthopedic surgeon Dr. Ethan Kellum provides stem cell therapy as an alternative to knee surgery for patients in Nashville, Tennessee and throughout the Southeast.

Regenexx® Stem Cell & Platelet Procedures for Knee Arthritis, Meniscus Tears, Tendon & Ligament Tears, Overuse Injuries and Other Conditions.
Patient Outcome Data & Commonly Treated Knee Conditions
Knee Patient Outcome Data
View Knee Patient Outcome DataThis Regenexx bone marrow derived stem cell treatment outcome data analysis is part of the Regenexx data download of patients who were tracked in the Regenexx advanced patient registry.
Knee Meniscus Procedure Outcome Data
View Knee Meniscus Procedure Outcome DataThis Regenexx bone marrow derived stem cell treatment outcome data analysis is part of the Regenexx data download of patients who were tracked in the Regenexx advanced patient registry following treatment for Meniscus Tears.
Knee Function Improvement Data
View Knee Function Improvement DataThis data utilizes LEFS (Lower Extremity Functional Scale) data from our knee arthritis patients treated with stem cell injections. Functional questionnaires ask the patients questions such as how well they can walk, run, climb stairs, etc. The improvements following the Regenexx Stem Cell Procedure are highly statistically significant.
Stem Cell Procedure Safety
View Stem Cell Procedure SafetyRegenexx has published more data on stem cell safety in peer reviewed medical research for orthopedic applications than any other group world-wide. This is a report of 1,591 patients and 1,949 procedures treated with the Regenexx Stem Cell Procedure. Based on our analysis of this treatment registry data, the Regenexx Stem Cell Procedure is about as safe as any typical injection procedure, which is consistent with what we see every day in the clinic.
Commonly Treated Knee Conditions
This is not a complete list, so please contact us or complete the Regenexx Candidate Form if you have questions about whether you or your condition can be treated with these non-surgical procedures.
- Arthritis
- Meniscus Tears
- ACL, MCL, PCL or LCL sprain or tear
- Knee Instability
- Patellofemoral Syndrome/Chondomalacia
- Pes anersine bursitis
- Baker’s cyst
- Patellar tendonitis
- Biceps Femoris Insertional Tendinopathy
- Hamstrings Tendinopathy
Your Alternative to Knee Surgery
Surgery is sometimes the obvious solution for severe cases and we acknowledge that stem cells cannot treat everything. However, we have seen exciting results on difficult cases, such as complete muscle and ligament tears, and we have helped thousands of patients with severe arthritis avoid knee replacement and continue to do the things they love with little or no pain. Most Regenexx patients experience little or no downtime from their procedure and are encouraged to return to activity as they begin to feel better.
How Regenexx Procedures Work

Stem Cell Treatments
Same Day Stem Cell Protocol
Adult stem cells are cells from your own body that can renew themselves and turn into other cells (differentiate). They live inside all of us in various tissues, poised to leap into action to repair damage as it occurs. As we age or have big injuries, we may not be able to recruit enough of these cells to the site to fully repair the area. Regenexx Stem Cell Procedures help overcome this problem by extracting stem cells from an area of high volume, then concentrating the cells and reinjecting them into the damaged area to help the body heal naturally. Our Patented Stem Cell Procedures can be used for a wide range of conditions and are the tool of choice for injuries, arthritis and other conditions that may be more significant than what may be treated with our Platelet Rich Plasma or Platelet Lysate Procedures.

Blood Platelet Treatments
Super Concentrated Platelet Rich Plasma & Advanced Platelet Lysate Procedures
Platelet Rich Plasma (PRP) and Platelet Lysate Injection Treatments contain healing growth components from your own blood that increase your body’s natural ability to repair itself. The use of PRP to repair joint, tendon, ligament, and muscle injuries is becoming well known, thanks to exposure from professional athletes. Platelet injection treatments are effective because they have a stimulating effect on the stem cells within the targeted area, making those stem cells work harder to heal damaged tissues. Our Advanced Platelet Procedures are more pure and concentrated than those created by the automated machines used at most regenerative medicine clinics. Platelet procedures are commonly used for soft tissue injuries, mild arthritis and spine conditions.
Common Knee Conditions
Osteoarthritis
Meniscus Tears
ACL Tears
Free Report: 10 Rarely Discussed Facts About Joint Replacement Surgery
If joint replacement is an option for you, please take the time to read this report. These 10 facts come from the Regenexx website. Our goal is to provide information that will help you make the right choice for you.