# What do people ask about blood-based joint care? *Joint Care Questions | Orthobiologics Mesa* > Orthobiologics Mesa answers questions about blood-based joint procedures, cost, PRP, soreness afterward, surgery, and nearby offices. This page gives plain answers to common joint-care questions. Each answer covers one concern you may have. Your exam can still change the answer. That's because the cause and amount of wear differ. ## Sources 1. The ESSKA-ORBIT European consensus on blood-derived orthobiologics graded 28 question-statement sets; only 9 of 28 had high-level scientific support. Three statements reached grade A: that there is enough preclinical and clinical evidence to support PRP use in knee OA; that clinical evidence shows effectiveness in MILD TO MODERATE knee OA (KL grade 3 or lower); and that PRP provides a longer effect than the short-term effect of corticosteroid with a safer profile. The panel regarded PRP as a valid and possible first-line injectable option for KL grades 1-3. Laver L, et al. — [The use of injectable orthobiologics for knee osteoarthritis: A European ESSKA-ORBIT consensus. Part 1-Blood-derived products (platelet-rich plasma).](https://pubmed.ncbi.nlm.nih.gov/38436492/). *Knee Surgery, Sports Traumatology, Arthroscopy*, 2024. DOI: 10.1002/ksa.12077. 2. The companion ESSKA-ORBIT consensus on cell-based therapy (77 experts, 22 countries, 27 statements) found only 5 of 27 statements reached recommendation level A or B; 22 were rated C or D. It concluded that cell-based therapy shows clinical benefit in pain and function up to 12 months for KL grades 1-3 with some benefit in selected KL 4, but that because of limited high-quality studies and NO clear superiority over other injectables it should be considered a SECOND-LINE option, after other non-operative treatment fails. de Girolamo L, et al. — [The use of injectable orthobiologics for knee osteoarthritis: A formal ESSKA-ORBIT consensus. Part 2-Cell-based therapy.](https://pubmed.ncbi.nlm.nih.gov/40923345/). *Knee Surgery, Sports Traumatology, Arthroscopy*, 2025. DOI: 10.1002/ksa.70001. 3. RESTORE, the largest and most rigorously blinded placebo-controlled PRP trial in knee OA (n=288, participant-, injector- and assessor-blinded), gave three weekly injections of a commercial leukocyte-poor PRP or saline. At 12 months the change in knee pain was -2.1 vs -1.8 points (difference -0.4; 95% CI -0.9 to 0.2; P=.17) and the change in medial tibial cartilage volume was -1.4% vs -1.2% (difference -0.2%; P=.81). Twenty-nine of 31 prespecified secondary outcomes showed no between-group difference. The authors concluded the findings do not support the use of PRP for knee OA. Bennell KL, et al. — [Effect of Intra-articular Platelet-Rich Plasma vs Placebo Injection on Pain and Medial Tibial Cartilage Volume in Patients With Knee Osteoarthritis: The RESTORE Randomized Clinical Trial.](https://pubmed.ncbi.nlm.nih.gov/34812863/). *JAMA*, 2021. DOI: 10.1001/jama.2021.19415. 4. The largest head-to-head trial of cell-based orthobiologics to date randomised 480 patients with KL II-IV knee OA across four arms: autologous bone marrow aspirate concentrate, autologous adipose stromal vascular fraction, allogeneic umbilical cord tissue-derived MSCs, and a corticosteroid injection control. At 12 months NONE of the three orthobiologic injections was superior to another or to the corticosteroid control on either co-primary endpoint (VAS pain, KOOS pain), and none of the four groups showed a significant change in MRI osteoarthritis score from baseline. No procedure-related serious adverse events were reported. Mautner K, et al. — [Cell-based versus corticosteroid injections for knee pain in osteoarthritis: a randomized phase 3 trial.](https://pubmed.ncbi.nlm.nih.gov/37919438/). *Nature Medicine*, 2023. DOI: 10.1038/s41591-023-02632-w. 5. FDA states verbatim of stem cell products, stromal vascular fraction (adipose-derived cells), umbilical cord blood, Wharton's jelly, amniotic fluid and exosome products: 'None of these products have been approved for the treatment of any orthopedic condition, such as osteoarthritis, tendonitis, disc disease, tennis elbow, back pain, hip pain, knee pain, neck pain, or shoulder pain.' The only FDA-approved stem cell products in the United States are blood-forming (hematopoietic progenitor) cells derived from umbilical cord blood, approved only for disorders of blood production, and there are currently NO FDA-approved exosome products. U.S. Food and Drug Administration — [Consumer Alert on Regenerative Medicine Products Including Stem Cells and Exosomes](https://www.fda.gov/vaccines-blood-biologics/consumers-biologics/consumer-alert-regenerative-medicine-products-including-stem-cells-and-exosomes). *FDA (Center for Biologics Evaluation and Research)*, 2020. 6. A 2026 systematic review of leukocyte-rich versus leukocyte-poor PRP for osteoarthritis concluded the current evidence is insufficient to determine whether adding leukocytes provides any clinical benefit, that results generally show no significant difference between the two, and that there is no conclusive evidence local reactions are caused by leukocytes specifically. Martin-Vega M, et al. — [Leukocyte-rich versus leukocyte-poor platelet-rich plasma for Osteoarthritis: A systematic review.](https://pubmed.ncbi.nlm.nih.gov/41782804/). *Regenerative Therapy*, 2026. DOI: 10.1016/j.reth.2026.101078. ## What does orthobiologics mean for a sore joint? Orthobiologics means procedures made from material taken from a body. One kind uses spun blood, while others use marrow, fat, or donor tissue. A clinician uses the prepared material at a sore joint or tendon to try easing symptoms. Each kind is collected and prepared differently. ## Will insurance pay for a blood-based joint procedure? These joint procedures are usually paid for by the patient. Your exam or other care may have different coverage. Get the full cost in writing before you decide. Ask whether later visits will add another charge. ## What problems can follow PRP, the platelet-rich plasma made by spinning blood? Soreness may rise for a short time after PRP. Blood preparation can keep different amounts of platelets and white blood cells. Those differences may affect early swelling. Research hasn't settled which preparation gives better relief. ## Can PRP help my sore joint? Studies don't give one answer for every joint. Some knee studies found relief, while another careful study found no added help. The cause and amount of wear matter. A clinician can tell you whether those studies match your exam. ## Can a regenerative treatment made from blood replace knee surgery? Blood-based care hasn't been shown to replace every knee operation. A severely worn knee may still need a surgeon's opinion. You can hear that opinion without agreeing to surgery. Compare likely relief, risk, cost, and recovery before deciding. ## Where can I talk with QC Kinetix near Mesa? QC Kinetix offers regenerative treatment options at the Chandler and Scottsdale offices listed here. Chandler may be easier for many Mesa trips. Scottsdale may be nearer from north or northeast Mesa. Check the drive from your own starting point. ## Would an exam help you choose what comes next? A visit can cover the cause of your soreness, earlier care, daily limits, and choices without surgery. The exam may show that different care fits better. Book a free consultation: --- Know why it hurts and what may help. Learn what may cause an aching joint, ways to settle it, signs needing care, blood procedures, and local routes. Plain help with aching joints, care choices, warning signs, and nearby office routes. This site is operated by the owners of the QC Kinetix clinics serving the Phoenix area, including the Chandler and Scottsdale offices referenced here; the business can benefit when readers book. Copyright 2026 Mesa Orthobiologics File. This is general health education; it is not individual medical advice about a diagnosis or treatment choice.