biologic injections gilbert: blood-based options for joint soreness

Try the simple relief steps first

Rest from movements that cause soreness, but don't stay still all day. Take a gentle walk if the joint allows it. Slowly bend and straighten a knee. When raising an arm, stop before the motion hurts. Don't force a stiff joint through a sharp ache. Ice can calm soreness after activity. Heat may help a joint that feels tight after rest. Use a brace or cane to steady a knee or hip. A pillow may support an aching shoulder at night. Ask your doctor about medicine that won't conflict with pills you already take.

Home care is helping when sleep, dressing, or shopping gets easier.

Know when to have the joint checked

Have the joint checked when soreness keeps returning, wakes you, or changes how you walk. Tell the provider how long it has hurt and what movement brings pain. During the visit, the provider tests strength and movement and looks for swelling or tender spots. An older X-ray can help, though a new one isn't always needed. The exam may support medicine, more home care, blood-based care, physical therapy, or a talk about surgery. Ask how each choice could restore an activity soreness has stopped. If the reason isn't clear, request another explanation.

A useful visit ends with a choice you can describe at home.

Sources

1. Medicare's national coverage determination states that CMS covers autologous platelet-rich plasma ONLY for patients with chronic non-healing diabetic, pressure and/or venous wounds, and only inside an approved coverage-with-evidence-development clinical study. Every approved study listed under the NCD is a wound-healing study. There is no Medicare national coverage for PRP in osteoarthritis or tendinopathy, which is why these injections are billed to the patient.

   Centers for Medicare & Medicaid Services — Autologous Platelet-rich Plasma (Coverage with Evidence Development). CMS.gov, 2024.

2. 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; 95% CI $4,550-5,762, n=65) and the mean claimed clinical efficacy was 82% (SD 9.6%; n=36) - a figure the authors describe as a gap between marketing claims and the published literature.

   Piuzzi NS, et al. — The Stem-Cell Market for the Treatment of Knee Osteoarthritis: A Patient Perspective.. Journal of Knee Surgery, 2018. DOI: 10.1055/s-0037-1604443.

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.. JAMA, 2021. DOI: 10.1001/jama.2021.19415.

4. The AAOS third-edition clinical practice guideline on non-arthroplasty management of knee osteoarthritis contains 29 recommendations and explicitly highlights intra-articular corticosteroid, hyaluronic acid AND platelet-rich plasma as the areas where better research is still needed - including osteoarthritis characterisation, subgroup and severity stratification, control for bias, and cost-effectiveness analysis.

   Brophy RH, Fillingham YA. — AAOS Clinical Practice Guideline Summary: Management of Osteoarthritis of the Knee (Nonarthroplasty), Third Edition.. Journal of the American Academy of Orthopaedic Surgeons, 2022. DOI: 10.5435/JAAOS-D-21-01233.