A bright contemporary rehabilitation clinic with a therapist guiding a patient through a shoulder mobility exercise in soft natural daylight.

Regenerative Medicine

Regenerative Medicine: What the Evidence Says

An evidence-based look at therapies designed to support the body’s own repair processes — what current research supports, where the science is still emerging, and how these approaches fit into musculoskeletal care.

i

Disclaimer: This content is for educational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before making any decisions about your care.

The Foundation

What Is Regenerative Medicine?

Regenerative medicine is a field focused on helping the body repair, replace, or support damaged tissue. Rather than only blocking pain or masking symptoms, these approaches aim to influence the biology of healing itself — using the body’s own growth factors, targeted energy, or biologic materials to encourage tissue-level repair.

In musculoskeletal care, this represents a shift from purely symptom management toward strategies that support the structure and function of tendons, joints, and other soft tissues. Reviews of orthobiologic approaches describe a growing toolkit of injectable and device-based options intended to amplify the body’s natural repair signals (Sampson S, et al. PM&R. 2016).

These therapies rarely work in isolation. The most promising results in the literature tend to appear when regenerative approaches are paired with structured rehabilitation, progressive loading, and attention to overall health (Mautner K, et al. Curr Rev Musculoskelet Med. 2019).

Explore the Modalities

Each approach carries a different evidence base and set of appropriate uses. Explore the focused guides below.

Shockwave Therapy

High-energy sound waves applied to injured tissue, with the strongest evidence in chronic lower-limb tendinopathy.

Learn More →

Laser Therapy (Photobiomodulation)

Red and near-infrared light studied as a supportive tool for pain and function in select tendon and joint conditions.

Learn More →

Platelet-Rich Plasma (PRP)

A concentrate from your own blood, studied with moderate evidence in knee osteoarthritis and certain tendinopathies.

Learn More →

Biologics

Cell- and tissue-based products studied for joint and disc conditions, where evidence remains mixed and largely experimental.

Learn More →

Emerging Therapies

Newer regenerative and longevity-focused approaches under active investigation, with evidence still evolving.

Learn More →

Where the Science Stands

The Evidence Landscape

The strength of evidence varies considerably across modalities. Extracorporeal shockwave therapy has some of the more consistent support in lower-limb tendinopathy, where systematic review suggests meaningful benefit for conditions such as Achilles and patellar tendon problems (Mani-Babu S, et al. Am J Sports Med. 2015;43(3):752–761).

For PRP, the picture is more nuanced. Some trials report benefit in specific indications such as patellar tendinopathy (Dragoo JL, et al. Am J Sports Med. 2014), while others find no clear superiority over comparison treatments in knee osteoarthritis (Filardo G, et al. Knee Surg Sports Traumatol Arthrosc. 2015). Results appear to depend heavily on preparation, technique, and the rehabilitation program that accompanies treatment.

Across the field, careful patient selection and realistic expectations matter as much as the therapy itself. Many biologic and emerging approaches remain investigational, and the same intervention can produce very different outcomes depending on the person and the condition.

Who May Benefit

These are areas actively studied in regenerative medicine research — framed as research contexts, not guarantees of outcome.

  • Tendinopathy — chronic tendon conditions such as Achilles, patellar, and elbow problems.
  • Osteoarthritis — mild to moderate joint changes, most studied in the knee.
  • Spine conditions — an area of interest where research remains more limited and early.
  • Sports injuries — selected ligament, muscle, and tendon injuries in active individuals.

Whether a given approach is appropriate depends on the individual, the diagnosis, and a careful evaluation with a qualified clinician.

Grounded in the Literature

Every guide on this site is built on peer-reviewed evidence and written to present both what the research supports and where it remains uncertain. We aim to be clear, honest, and free of hype.

Read our editorial philosophy →

References

Disclaimer: This content is intended for educational purposes only and does not constitute medical advice, diagnosis, or treatment. It should not replace a consultation with a qualified healthcare provider. No pharmaceutical or medication recommendations are made on this site. Readers with specific health concerns should consult a licensed clinician.

  1. Belk JW, Leland DP, Kingery MT, et al. Platelet-rich plasma versus alternative injections for osteoarthritis of the knee: a systematic review and meta-analysis of randomized controlled trials. Am J Sports Med. 2024;52(4):1097–1107. doi:10.1177/03635465231224463
  2. Sampson S, Gerhardt M, Mandelbaum B. Platelet rich plasma injection grafts for musculoskeletal injuries: a review. Curr Rev Musculoskelet Med. 2008;1(3–4):165–174. PMID:19468908
  3. Mautner K, Colberg RE, Malanga G, et al. Outcomes after ultrasound-guided platelet-rich plasma injections for chronic tendinopathy: a multicenter, retrospective review. PM R. 2013;5(3):169–175. PMID:23531349
  4. Dai WL, Zhou AG, Zhang H, Zhang J. Efficacy of platelet-rich plasma in the treatment of knee osteoarthritis: a meta-analysis of randomized controlled trials. Arthroscopy. 2017;33(3):659–670. PMID:27720536
  5. Dragoo JL, Wasterlain AS, Braun HJ, Nead KT. Platelet-rich plasma as a treatment for patellar tendinopathy: a double-blind, randomized controlled trial. Am J Sports Med. 2014;42(3):610–618. PMID:24481828
  6. Filardo G, Di Matteo B, Di Martino A, et al. Platelet-rich plasma intra-articular knee injections show no superiority versus viscosupplementation: a randomized controlled trial. Am J Sports Med. 2015;43(7):1575–1582. PMID:25952834
  7. Fitzpatrick J, Bulsara MK, McCrory PR, Richardson MD, Zheng MH. Analysis of platelet-rich plasma extraction: variations in platelet and blood components between 4 commercial kits. Orthop J Sports Med. 2017;5(1):2325967116675272. PMID:28210665
  8. Arirachakaran A, Sukthuayat A, Sisayanarane T, et al. Platelet-rich plasma versus conventional treatment in chronic lateral epicondylitis: systematic review and network meta-analysis. J Orthop Traumatol. 2016;17(2):101–112. PMID:26531063
  9. Mani-Babu S, Morrissey D, Waugh C, Screen H, Barton C. The effectiveness of extracorporeal shock wave therapy in lower limb tendinopathy: a systematic review. Am J Sports Med. 2015;43(3):752–761. PMID:24753238
  10. Li S, Xiao Z, Ge M. The effectiveness of shockwave therapy on patellar tendinopathy, Achilles tendinopathy, and plantar fasciitis: a systematic review and meta-analysis. Front Physiol. 2023;14:1193835. doi:10.3389/fphys.2023.1193835
  11. Leal C, Ramon S, Furia J, et al. Current concepts of shockwave therapy in chronic calcific tendinopathy. Int J Surg. 2015;24(Pt B):188–193. PMID:26307394
  12. Hamblin MR. Mechanisms and mitochondrial redox signaling in photobiomodulation. Photochem Photobiol. 2018;94(2):199–212. PMID:29164625
  13. Alves AN, Fernandes KPS, Deana AM, Bussadori SK, Mesquita-Ferrari RA. Effects of low-level laser therapy on skeletal muscle repair: a systematic review. Am J Phys Med Rehabil. 2014;93(12):1073–1085. PMID:24879328
  14. Cheng K, Martin LF, Slepian MJ, Chu Y, Bhatt DL. Mechanisms and pathways of pain photobiomodulation: a narrative review. J Pain. 2021;22(7):763–777. PMID:33540082
  15. López-de-Celis C, Barra-López ME, González-Rueda V, Bueno-Gracia E, Pérez-Bellmunt A. Effectiveness of photobiomodulation therapy in musculoskeletal disorders: a systematic review. Photobiomodul Photomed Laser Surg. 2020;38(11):667–673. PMID:33016818
  16. Pas HIMFL, Moen MH, Haisma HJ, Winters M. No evidence for the use of stem cell therapy for tendon disorders: a systematic review. Br J Sports Med. 2017;51(13):996–1002. PMID:28087567
  17. Caplan AI. Mesenchymal stem cells: time to change the name! Stem Cells Transl Med. 2017;6(6):1445–1451. PMID:28452204
  18. Rodríguez-Merchan EC. Evidence-based conservative treatment of osteoarthritis. Arch Bone Jt Surg. 2022;10(3):194–203. doi:10.22038/abjs.2021.57700.2847
  19. López-Otín C, Blasco MA, Partridge L, Serrano M, Kroemer G. The hallmarks of aging. Cell. 2013;153(6):1194–1217. PMID:23746838
  20. Irwin MR. Sleep and inflammation: partners in sickness and in health. Nat Rev Immunol. 2019;19(11):702–715. PMID:31289370
  21. Xie L, Kang H, Xu Q, et al. Sleep drives metabolite clearance from the adult brain. Science. 2013;342(6156):373–377. PMID:24136970
  22. Longo VD, Mattson MP. Fasting: molecular mechanisms and clinical applications. Cell Metab. 2014;19(2):181–192. PMID:24440038
  23. Buettner D, Skemp S. Blue zones: lessons from the world’s longest lived. Am J Lifestyle Med. 2016;10(5):318–321. PMID:30202288
  24. Booth FW, Roberts CK, Laye MJ. Lack of exercise is a major cause of chronic diseases. Compr Physiol. 2012;2(2):1143–1211. PMID:23798298
  25. Calder PC. Omega-3 fatty acids and inflammatory processes: from molecules to man. Biochem Soc Trans. 2017;45(5):1105–1115. PMID:28900017
  26. Shaw G, Lee-Barthel A, Ross ML, Wang B, Baar K. Vitamin C–enriched gelatin supplementation before intermittent activity augments collagen synthesis. Am J Clin Nutr. 2017;105(1):136–143. PMID:27852613
  27. Walker MP. Why We Sleep: Unlocking the Power of Sleep and Dreams. New York: Scribner; 2017.
  28. Attia P. Outlive: The Science and Art of Longevity. New York: Harmony Books; 2023.
  29. Sinclair DA, LaPlante MD. Lifespan: Why We Age — and Why We Don’t Have To. New York: Atria Books; 2019.
  30. Sampson S, Gerhardt M, Mandelbaum B. Platelet rich plasma injection grafts for musculoskeletal injuries: a review. Curr Rev Musculoskelet Med. 2008;1(3–4):165–174. PMID:19468908
  31. Mautner K, Colberg RE, Malanga G, et al. Outcomes after ultrasound-guided platelet-rich plasma injections for chronic tendinopathy: a multicenter, retrospective review. PM R. 2013;5(3):169–175. PMID:23531349
  32. Bonafede M, Ackerman SJ, Lozano-Calderon S, et al. Healthcare resource use and costs associated with platelet-rich plasma injections for osteoarthritis in a US health plan. J Med Econ. 2021;24(1):596–604. doi:10.1080/13696998.2021.1918867
  33. Zhu Y, Yuan M, Meng HY, et al. Basic science and clinical application of platelet-rich plasma for cartilage defects and osteoarthritis: a review. Osteoarthritis Cartilage. 2013;21(11):1627–1637. PMID:23933379
  34. Speed C. A systematic review of shockwave therapies in soft tissue conditions: focusing on the evidence. Br J Sports Med. 2014;48(21):1538–1542. PMID:24125806
  35. Notarnicola A, Moretti B. The biological effects of extracorporeal shock wave therapy (ESWT) on tendon tissue. Muscles Ligaments Tendons J. 2012;2(1):33–37. PMID:23738277
  36. de Oliveira MF, Johnson DS, Demchak T, Tomazoni SS, Leal-Junior EC. Low-intensity LASER and LED (photobiomodulation therapy) for pain control of the most common musculoskeletal conditions. Eur J Phys Rehabil Med. 2022;58(2):282–289. PMID:34761900
  37. Ferraresi C, Huang YY, Hamblin MR. Photobiomodulation in human muscle tissue: an advantage in sports performance? J Biophotonics. 2016;9(11–12):1273–1299. PMID:27874264
  38. Murata N, Miyamoto A, Takashima H, et al. The relationship between intervertebral disc degeneration and aging. J Orthop Sci. 2021;26(6):957–963. doi:10.1016/j.jos.2020.09.004
  39. Noriega DC, Ardura F, Hernández-Ramajo R, et al. Intervertebral disc repair by allogeneic mesenchymal bone marrow cells: a randomized controlled trial. Transplantation. 2017;101(8):1945–1951. PMID:27661661
  40. Kennedy BK, Berger SL, Brunet A, et al. Geroscience: linking aging to chronic disease. Cell. 2014;159(4):709–713. PMID:25417146
  41. Baar K. Minimizing injury and maximizing return to play: lessons from engineered ligaments. Sports Med. 2017;47(Suppl 1):5–11. PMID:28332116
  42. Longo UG, Loppini M, Berton A, Maffulli N, Denaro V. Tissue engineered strategies for skeletal muscle injury. Stem Cells Int. 2012;2012:175038. PMID:22550521
  43. Verma P, Dalal K. Serum cartilage oligomeric matrix protein (COMP) in knee osteoarthritis: a novel diagnostic and prognostic biomarker. J Orthop Res. 2013;31(7):999–1006. PMID:23423991
  44. Franceschi C, Garagnani P, Parini P, Giuliani C, Santoro A. Inflammaging: a new immune-metabolic viewpoint for age-related diseases. Nat Rev Endocrinol. 2018;14(10):576–590. PMID:30046148
  45. Furman D, Campisi J, Verdin E, et al. Chronic inflammation in the etiology of disease across the life span. Nat Med. 2019;25(12):1822–1832. PMID:31806905
  46. Liguori I, Russo G, Curcio F, et al. Oxidative stress, aging, and diseases. Clin Interv Aging. 2018;13:757–772. PMID:29731617
  47. Rebelo-Marques A, De Sousa Lages A, Andrade R, et al. Aging hallmarks: the benefits of physical exercise. Front Endocrinol (Lausanne). 2018;9:258. PMID:29887842
  48. Morton RW, Murphy KT, McKellar SR, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. Br J Sports Med. 2018;52(6):376–384. PMID:28698222
  49. Stokes T, Hector AJ, Morton RW, McGlory C, Phillips SM. Recent perspectives regarding the role of dietary protein for the promotion of muscle hypertrophy with resistance exercise training. Nutrients. 2018;10(2):180. PMID:29414855
  50. Tipton KD. Efficacy and consequences of very-high-protein diets for athletes and exercisers. Proc Nutr Soc. 2011;70(2):205–214. PMID:21256825
  51. Kouzaki K, Kimura M, Ichihashi N. Oral collagen peptide supplementation plus resistance exercise improves muscle strength parameters. Med Sci Sports Exerc. 2021;53(8):1685–1693. PMID:34060524
  52. Ekelund U, Tarp J, Steene-Johannessen J, et al. Dose-response associations between accelerometry measured physical activity and sedentary time and all cause mortality: systematic review and harmonised meta-analysis. BMJ. 2019;366:l4570. PMID:31434697
  53. Pedersen BK, Saltin B. Exercise as medicine — evidence for prescribing exercise as therapy in 26 different chronic diseases. Scand J Med Sci Sports. 2015;25(Suppl 3):1–72. PMID:26606383
  54. Schoenfeld BJ, Grgic J, Ogborn D, Krieger JW. Strength and hypertrophy adaptations between low- vs. high-load resistance training: a systematic review and meta-analysis. J Strength Cond Res. 2017;31(12):3508–3523. PMID:28834797
  55. Vlaeyen JWS, Maher CG, Wiech K, et al. Low back pain. Nat Rev Dis Primers. 2018;4(1):52. PMID:30464163
  56. Foster NE, Anema JR, Cherkin D, et al. Prevention and treatment of low back pain: evidence, challenges, and promising directions. Lancet. 2018;391(10137):2368–2383. PMID:29573872
  57. Chou R, Qaseem A, Snow V, et al. Diagnosis and treatment of low back pain: a joint clinical practice guideline from the American College of Physicians and the American Pain Society. Ann Intern Med. 2007;147(7):478–491. PMID:17909209
  58. van Middelkoop M, Rubinstein SM, Verhagen AP, Ostelo RW, Koes BW, van Tulder MW. Exercise therapy for chronic nonspecific low-back pain. Best Pract Res Clin Rheumatol. 2010;24(2):193–204. PMID:20227644