# Know when to go and what to bring *Knee Regeneration Gilbert — When to Get the Knee Checked* > Knee regeneration Gilbert guidance on warning signs, what to bring, what an exam includes, and when other care may fit better. ## Check urgent signs before booking a visit Get prompt medical help if the knee becomes hot, red, or swollen quickly. Fever, a bent-looking knee, or a leg that cannot bear weight also needs quick care. Gradual soreness is different and can begin with a scheduled exam. Note the first day, the sore area, and the actions that make it worse. ## Go promptly for warning signs A knee that locks after a fall needs a timely exam, especially if it won't straighten. If your foot loses feeling, turns pale, or feels cold, get medical help quickly. Calf warmth and swelling after travel or surgery may also need urgent care. Call your doctor, urgent care, or an emergency room instead of waiting for an appointment. Soreness at night with fever or unexplained weight loss also needs medical attention. Get those concerns checked before discussing any non-surgical knee shot. ## Bring the facts from daily life Write down the day the soreness started, its exact place, and whether swelling followed. Have your current medicines written down as well. Take any past scan or visit notes that you already have. Tell the provider which care helped, which did not, and how long you tried it. You don't need a long diary. A few plain details can keep the visit focused on the knee. ## Know what the visit includes The provider asks about soreness and checks the knee's movement. Mention blood-thinning medicine, any recent infection, past surgery, and other care you received. At its Chandler clinic, QC Kinetix offers regenerative treatment options, meaning non-surgical shots that use blood or bone marrow. A medical provider is the person who examines your knee and explains each choice. The visit may end without a procedure that day. This can happen when the cause remains unclear or when seeing a surgeon makes more sense. ## Ask how you will judge relief Choose one task to follow, such as climbing stairs or walking through a store. Record how far you get and how the knee feels afterward. Ask when relief may begin and when the provider will check it. You'll also want the full cost and likely side effects before deciding. Treatment may ease soreness without changing the scan. Judge the result by both the movement you regain and what the scan shows. ## Sources 1. The Cochrane review of exercise for knee osteoarthritis found high-quality evidence that land-based therapeutic exercise provides short-term benefit in pain and physical function, sustained for at least 2-6 months after the programme ends, with mild transient soreness the only reported adverse effect across 45 trials. It is the best-evidenced treatment for this condition and it costs nothing per injection. Fransen M, et al. — [Exercise for osteoarthritis of the knee.](https://pubmed.ncbi.nlm.nih.gov/25569281/). *The Cochrane database of systematic reviews*, 2015. DOI: 10.1002/14651858.CD004376.pub3. 2. A randomized trial in the New England Journal of Medicine compared physical therapy against intra-articular glucocorticoid injection for knee osteoarthritis and found physical therapy produced better WOMAC outcomes at one year. When a clinic offers an injection, the comparator that matters is not 'nothing' - it is a course of supervised exercise. Deyle GD, et al. — [Physical Therapy versus Glucocorticoid Injection for Osteoarthritis of the Knee.](https://pubmed.ncbi.nlm.nih.gov/32268027/). *The New England journal of medicine*, 2020. DOI: 10.1056/NEJMoa1905877. 3. The RESTORE trial - a participant-, injector- and assessor-blinded RCT of 288 adults aged 50+ with symptomatic medial knee OA (Kellgren-Lawrence 2-3) - compared three weekly intra-articular PRP injections against saline placebo, with co-primary endpoints of 12-month knee pain and medial tibial cartilage volume on MRI. PRP did not beat placebo on either. It is the single best-designed test of the specific claim that PRP changes joint structure, and it was negative. 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. A four-arm, multicentre, single-blind phase 2/3 randomized trial of 480 knee OA patients (KL II-IV) compared autologous bone marrow aspirate concentrate, autologous adipose stromal vascular fraction and allogeneic umbilical-cord-tissue mesenchymal stromal cells against a corticosteroid injection control. At 12 months NONE of the three orthobiologic injections was superior to another, or to the corticosteroid control, and none of the four groups showed a significant change in MRI osteoarthritis score from baseline. No procedure-related serious adverse events occurred. 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. A 2026 systematic review and meta-analysis of 28 randomized trials of intra-articular mesenchymal stem cell-based therapies in knee OA found significant improvements in several pain and function measures (delta-VAS MD -1.67; KOOS pain MD 15.37) but NO significant difference in WOMAC, KOOS quality of life or the Lequesne index, and MRI-based WORMS scores were non-significant - indicating no consistent structural benefit. Its own conclusion: these therapies serve a primarily SYMPTOM-modifying rather than STRUCTURE-modifying role, with higher frequencies of local reactions to weigh against the symptomatic benefit. Awad G, et al. — [Efficacy and safety of intra-articular mesenchymal stem cell-based therapies in knee osteoarthritis: A systematic review and meta-analysis of randomized controlled trials.](https://pubmed.ncbi.nlm.nih.gov/41863718/). *Clinical rheumatology*, 2026. DOI: 10.1007/s10067-026-08042-w. 6. A CDC-led national public health investigation identified culture-confirmed bacterial infections in 20 patients (median age 63) across 8 US states who received umbilical cord blood-derived products marketed as stem cell treatment for pain, osteoarthritis, rheumatoid arthritis and injury. ALL BUT ONE REQUIRED HOSPITALISATION. Of unopened, undistributed product vials sampled, 65% (22 of 34) were contaminated with at least one of 16 bacterial species, mostly enteric; whole-genome sequencing linked an Arizona patient isolate to product administered in Florida. Hartnett KP, et al. — [Investigation of Bacterial Infections Among Patients Treated With Umbilical Cord Blood-Derived Products Marketed as Stem Cell Therapies.](https://pubmed.ncbi.nlm.nih.gov/34618037/). *JAMA network open*, 2021. DOI: 10.1001/jamanetworkopen.2021.28615. 7. A systematic review of the discordance between clinical and radiographic knee osteoarthritis: many people with severe-looking x-rays have little pain, and many with disabling pain have modest radiographic change. This is the reason a post-treatment scan is a poor proxy for how someone feels, in either direction. Bedson J, et al. — [The discordance between clinical and radiographic knee osteoarthritis: a systematic search and summary of the literature.](https://pubmed.ncbi.nlm.nih.gov/18764949/). *BMC musculoskeletal disorders*, 2008. DOI: 10.1186/1471-2474-9-116. 8. A cross-sectional study contacted 273 of 317 US centres offering direct-to-consumer stem-cell therapy, posing as a 57-year-old man with knee osteoarthritis. The mean advertised price of a unilateral same-day stem-cell knee injection was $5,156 (SD $2,446), and centres claimed a mean clinical efficacy of 82% (SD 9.6%) - a figure with no support in the published evidence. The gap between the quoted number and the trial data is the single most useful thing a patient can be told before a consultation. Piuzzi NS, et al. — [The Stem-Cell Market for the Treatment of Knee Osteoarthritis: A Patient Perspective.](https://pubmed.ncbi.nlm.nih.gov/28738432/). *The journal of knee surgery*, 2018. DOI: 10.1055/s-0037-1604443. 9. FDA states plainly that no stem cell, exosome, stromal vascular fraction, umbilical cord blood, Wharton's jelly or amniotic-fluid product has been approved for the treatment of ANY orthopedic condition - it names osteoarthritis, tendonitis, disc disease, tennis elbow, back pain, hip pain, knee pain, neck pain and shoulder pain individually. The only FDA-approved stem cell products in the United States are cord-blood-derived blood-forming stem cells for disorders of the hematopoietic system, and there are currently no FDA-approved exosome products. US Food and Drug Administration, Center for Biologics Evaluation and Research — [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*, 2020. ## Talk through your knee soreness Through its Chandler location, QC Kinetix offers regenerative treatment options, meaning non-surgical shots made with blood or bone marrow. A medical provider is the person who examines your knee and explains what may fit. Call (602) 837-PAIN to reach the clinic before you travel. Take a note about one daily task you want to make easier. Book a free consultation: --- Clear help for knee soreness and care choices. Plain help with an aching knee, daily care, signs that need attention, and non-surgical choices near Gilbert. A short Gilbert guide to an aching knee, useful care, urgent changes, and treatment talks. This site is operated by the owners of the QC Kinetix Phoenix-area clinics, including the Chandler location recommended here; the owners benefit when a reader books a consultation. © 2026 Gilbert Knee Evidence Bench. General education only, not medical advice or a diagnosis.