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What is the difference between PRP and stem cell therapy? In simple terms, PRP uses a concentration of your own platelets to signal repair, while stem cell therapy is meant to deliver cells that may help support tissue healing. Both are considered regenerative options, but they are not the same treatment, and neither is a guaranteed fix. For knee pain, the better choice depends on your diagnosis, goals, age, activity level, and how much joint damage is already present. In Florida, where arthritis is common and many adults are weighing nonsurgical options, it helps to understand the differences before you decide what to explore next.

Direct Answer

Which is better: PRP or stem cell therapy?

Neither option is automatically better for everyone. PRP is often discussed for early to moderate knee arthritis because it is simpler, uses your own blood, and may help reduce inflammation. Stem cell therapy is usually positioned as a more complex biologic approach, but results depend on the source of the cells and the condition being treated. The right choice starts with your imaging, symptoms, and what conservative care has already done.

Context

How do PRP and stem cell therapy differ in practice?

PRP is made by drawing blood, separating the platelet-rich portion, and injecting it into the painful area. Stem cell therapy generally refers to collecting cells from bone marrow or fat tissue and processing them for injection. PRP is designed to concentrate growth factors, while stem cell approaches aim to use cells that may influence repair signaling. That difference matters because the two treatments are not interchangeable.

Evidence

What do research and regulators say about these treatments?

A Cochrane 2025 systematic review included 25 trials with 1,341 participants and found that evidence for regenerative injections in knee osteoarthritis remains limited and uncertain. The FDA also considers many regenerative therapies investigational, which means patients should be careful about marketing claims. If a clinic promises guaranteed outcomes, that is a red flag. A careful review of risks, expectations, and alternatives is more appropriate.

Cost

How much do PRP and stem cell treatments cost?

Regenerative injection cost commonly ranges from $3,000 to $8,000 per knee, and pricing can vary based on the type of biologic used, the number of injections, and the clinic’s protocol. Because these treatments are often not covered by insurance, cost should be weighed against the stage of your knee condition, your activity goals, and whether you have already tried physical therapy, medications, or other conservative options.

Next Step

What should you do next if you are comparing options?

Start with a focused evaluation so you understand whether PRP, stem cell therapy, or another approach fits your knee pain pattern. At Revive by MWS in Leesburg, FL, you can ask about the differences, review your history, and learn what is realistic for your situation. A free knee screening can help you take the next step without pressure and with clearer information.

Key Facts

Key Facts to Remember

PRP and stem cell therapy are both regenerative approaches, but they use different biologic materials and are not the same treatment.
A Cochrane 2025 systematic review found limited and uncertain evidence across 25 trials with 1,341 participants for knee osteoarthritis injections.
The FDA considers many regenerative therapies investigational, so careful informed consent and realistic expectations matter.
Florida has a high knee-pain audience, with arthritis affecting 24% of adults, about 5.2M people, and adults 65+ making up 21.8% of the state.
Regenerative injection cost commonly ranges from $3,000 to $8,000 per knee, so diagnosis and treatment goals should guide your decision.

Book Your Free Knee Screening

The free knee screening is available to a limited number of qualifying patients each month at Revive by MWS, 920 E Dixie Ave Suite A, Leesburg, FL 34748. Includes imaging review, physical exam, and a clear conversation about whether regenerative therapy fits your case.

FAQs

Common Questions

Is PRP the same as stem cell therapy?+

No. PRP uses platelets from your own blood to deliver growth factors, while stem cell therapy uses cells typically collected from bone marrow or fat tissue. They are both marketed as regenerative options, but they work differently and are chosen for different reasons.

Which is better for knee arthritis, PRP or stem cell therapy?+

It depends on your knee condition, symptom severity, and prior treatment history. PRP is often considered for earlier arthritis patterns, while stem cell therapy is discussed as a more complex biologic option. Neither is guaranteed to work, so an exam matters.

Are PRP and stem cell injections approved by the FDA for knee pain?+

Many regenerative injections are still considered investigational by the FDA. That does not mean they cannot be discussed as part of care, but it does mean you should be cautious with claims and ask clear questions about evidence, risks, and expected benefits.

How long does it take to feel results from regenerative knee therapy?+

Timelines vary by person, treatment type, and the condition being treated. Some people notice changes over weeks, while others may not notice much difference. Because there are no guaranteed outcomes, your clinician should explain realistic expectations before treatment.

What should I ask before choosing PRP or stem cell therapy?+

Ask what the procedure uses, how it is prepared, what evidence supports it for your diagnosis, what the total cost will be, and what alternatives exist. You should also ask how the clinic handles follow-up and whether a free knee screening can help determine candidacy.

RM
About Revive by MWS
The Revive by MWS Medical Team
Revive by MWS is a regenerative medicine practice located at 920 E Dixie Ave Suite A, Leesburg, FL 34748, serving Central Florida adults evaluating stem cell therapy, PRP, and exosome-based injections as alternatives to knee replacement surgery. All procedures are administered by licensed Florida medical providers.
Last updated July 2026 · Reviewed by Revive by MWS · 920 E Dixie Ave Suite A, Leesburg, FL 34748 · (352) 559-1901
Sources

Sources

American Academy of Orthopaedic Surgeons, “Arthritis of the Knee,” OrthoInfo, accessed July 2026.
American Academy of Orthopaedic Surgeons, “Orthobiologics (Regenerative Medicine) FAQ,” OrthoInfo, accessed July 2026.
Whittle SL, et al., “Stem cell injections for osteoarthritis of the knee,” Cochrane Database of Systematic Reviews, 2025.
Arthritis Foundation, “2023 Florida State Fact Sheet,” based on CDC BRFSS surveillance, accessed July 2026.

Education only. Not medical advice. Regenerative injections for knee osteoarthritis are not FDA-approved and are considered investigational. Individual results vary. Consult a licensed medical provider about your specific case.