Can Stem Cell Therapy Help Shoulder Pain?

What This Means

"Stem cell therapy" covers a range of orthobiologic products — most often mesenchymal stem cells sourced from a patient's own bone marrow or adipose tissue, or from umbilical cord tissue obtained through an accredited U.S. laboratory. None of these products carry FDA approval for shoulder pain, rotator cuff tendinopathy, or shoulder osteoarthritis (U.S. Food and Drug Administration, 2020a). Outside of FDA-approved clinical trials, these products are offered as investigational, physician-guided regenerative medicine services — not a guaranteed outcome, and not a substitute for conventional orthopedic care.

Whether a stem cell product requires FDA premarket approval turns on how it is processed. Products that are minimally manipulated and used for a function they naturally serve in the body ("homologous use") fall under a narrower regulatory pathway than products that are extensively processed or intended for a different function (U.S. Food and Drug Administration, 2020b). That distinction is why some orthobiologic products are lawfully offered as investigational services in states like Florida while remaining unapproved as drugs nationally.

Candidacy

Shoulder pain has more than one likely source — rotator cuff tendinopathy, a partial-thickness tear, shoulder osteoarthritis, adhesive capsulitis ("frozen shoulder"), or pain referred from the neck. Candidacy for a regenerative medicine consultation depends on which of these is actually present, how long symptoms have lasted, what has already been tried, and whether imaging supports a structural explanation. Patients with an acute full-thickness rotator cuff tear, active infection, or a condition that impairs healing are generally poor candidates for an injection-based regenerative approach and are typically directed toward surgical or other specialist evaluation instead.

Age, activity level, and overall health also factor into the discussion — not because any of these disqualify a patient outright, but because they change what outcome is reasonable to expect.

Clinical Evaluation

An evaluation at PrimeCell Regenerative for shoulder pain includes a physical and orthopedic exam of the shoulder and cervical spine, a review of prior imaging (X-ray, MRI, or ultrasound if available), and diagnostic ultrasound when it adds useful information. The goal is to identify which structure is actually generating the pain before any option — regenerative or conventional — is recommended. Patients without recent imaging may be referred for it before a plan is finalized.

Available Options

Regenerative medicine is one option among several, and it is not presented as a replacement for the standard progression of shoulder care. Conventional options typically discussed first or alongside a regenerative medicine consultation include physical therapy targeting rotator cuff strength and scapular mechanics, activity modification, oral or topical anti-inflammatory medication, corticosteroid injection for short-term symptom relief, and platelet-rich plasma (PRP) injection.

For structural tears or advanced shoulder osteoarthritis that do not respond to conservative care, orthopedic surgical evaluation — including rotator cuff repair or shoulder replacement — is also part of the conversation. Where a regenerative medicine service fits, if at all, depends on the specific diagnosis and on what the patient has already tried.

Benefits, Limitations and Risks

Reported outcomes in the research literature are inconsistent, and this article does not claim results it cannot support. Limitations include a small number of high-quality trials specific to the shoulder, short follow-up periods in most published studies, and product variability — one clinic's bone-marrow-derived product is not identical to another's umbilical-cord-derived product, and results from one cannot be assumed to apply to the other.

Risks include injection-site pain, swelling, and infection. Because these products are not FDA-approved for this use, there is also less established long-term safety and effectiveness data than an approved drug would have generated through the FDA review process. Cost is a separate consideration: these services are generally not covered by insurance and are paid out of pocket.

What the Evidence Shows

The evidence does establish that mesenchymal stem cells can be injected into or near shoulder tendon tissue in a controlled trial setting, and that some patients report pain improvement afterward (Chun et al., 2022). It does not establish that stem cell injection outperforms a control or placebo injection: in the largest randomized, controlled trial conducted specifically on stem cell injection for a shoulder tendon tear, pain improvement at three months did not differ significantly between the stem cell group and the control groups (Chun et al., 2022). Mayo Clinic's review of the broader orthopedic stem cell literature similarly notes that current evidence does not show stem cell injections outperforming standard care or surgical options for joint conditions (Mayo Clinic News Network, n.d.).

What the evidence does not establish: that stem cell therapy regrows damaged rotator cuff tissue, reverses shoulder osteoarthritis, or produces outcomes superior to surgery or standard conservative care for shoulder pain specifically. Research in this area is ongoing, and the FDA has not approved any stem cell product for shoulder pain or any other orthopedic condition (U.S. Food and Drug Administration, 2020a).

Recovery / Next Steps

Patients who proceed with an image-guided injection are typically advised to rest the shoulder for a short period, avoid heavy lifting or overhead activity for one to two weeks, and follow a structured physical therapy plan afterward. Mild soreness at the injection site for a few days is common. Recovery expectations are set during the evaluation, specific to the individual diagnosis, rather than assumed in advance.

Orlando Considerations

Florida law changed in 2025 specifically for this category of care. Effective July 1, 2025, Fla. Stat. § 458.3245 (and its osteopathic counterpart, § 459.0127) allows licensed MDs and DOs to administer certain adult stem cell products — sourced from bone marrow, adipose tissue, umbilical cord blood, or other ethically obtained tissue. The law covers orthopedic conditions, chronic pain, and wound care, even though those products remain unapproved by the FDA (Fla. Stat. § 458.3245, 2025). The law requires physicians to disclose the product's non-FDA-approved status, obtain signed informed consent, source products from accredited U.S. laboratories following current good manufacturing practices, and prohibits any product derived from an aborted fetus. Orlando patients considering this option should confirm that a prospective provider is following these specific disclosure and sourcing requirements, not just general medical-practice standards.

Frequently Asked Questions

Is stem cell therapy FDA-approved for shoulder pain?

No. The FDA has not approved any stem cell product for shoulder pain, rotator cuff tendinopathy, shoulder osteoarthritis, or any other orthopedic condition (U.S. Food and Drug Administration, 2020a). Where it is offered, it is offered as an investigational, physician-guided service under Florida's 2025 stem cell therapy law.

Will insurance or Medicare pay for stem cell therapy for my shoulder?

Generally, no. Medicare's national coverage policy for stem cell transplantation addresses blood and bone marrow disease, not orthopedic injections, and orthopedic stem cell services are typically considered investigational and non-covered (Centers for Medicare & Medicaid Services, n.d.). Most patients pay out of pocket.

How is a stem cell injection different from PRP for the shoulder?

PRP (platelet-rich plasma) is made from a patient's own blood and concentrates platelets and growth factors. A stem cell product contains living cells sourced from bone marrow, adipose tissue, or umbilical cord tissue. Both are regenerative medicine options discussed on a case-by-case basis; neither is FDA-approved for shoulder pain, and the right option, if any, depends on the specific diagnosis.

Does stem cell therapy regrow torn rotator cuff tissue?

Current published evidence does not establish that it does. A 2022 randomized controlled trial found no significant difference in pain outcomes between stem cell injection and control injections for shoulder tendon tears at three months (Chun et al., 2022). Claims of tissue regrowth or guaranteed outcomes are not supported by the evidence available today.

What should I expect at a first consultation?

A physical and orthopedic exam, a review of any prior imaging, diagnostic ultrasound when appropriate, and a conversation about every option available for your specific diagnosis — not only regenerative medicine services.

This article is for general patient education and does not replace an individualized medical evaluation. Stem cell therapy as discussed here is investigational outside FDA-approved clinical trials, and no stem cell product is FDA-approved for shoulder pain or any other orthopedic condition. Individual results vary, and no outcome, recovery time, or candidacy is guaranteed. Options are discussed based on the patient's individual goals and clinical circumstances following a medical evaluation.

Medically reviewed by Kenny Chantasi, DO.

References

Centers for Medicare & Medicaid Services. (n.d.). National coverage determination (NCD) for stem cell transplantation (110.23). CMS.gov. https://www.cms.gov/medicare-coverage-database/view/ncd.aspx?ncdid=366&ncdver=1

Chun, S.-W., Kim, W., Lee, S. Y., Lim, C.-Y., Kim, K., Kim, J.-G., Park, C.-H., Hong, S. H., Yoo, H. J., & Chung, S. G. (2022). A randomized controlled trial of stem cell injection for tendon tear. Scientific Reports, 12, Article 818. https://doi.org/10.1038/s41598-021-04656-z

Fla. Stat. § 458.3245 (2025). Stem cell therapy. Florida Senate. https://www.flsenate.gov/Laws/Statutes/2025/458.3245

Mayo Clinic News Network. (n.d.). Mayo Clinic Q and A: Stem cell therapy for arthritis. https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-q-and-a-stem-cell-therapy-for-arthritis/

Mayo Clinic Staff. (2026, January 21). Stem cells: What they are and what they do. Mayo Clinic. https://www.mayoclinic.org/tests-procedures/bone-marrow-transplant/in-depth/stem-cells/art-20048117

U.S. Food and Drug Administration. (2020a, July 22). Consumer alert on regenerative medicine products including stem cells and exosomes. FDA. https://www.fda.gov/vaccines-blood-biologics/consumers-biologics/consumer-alert-regenerative-medicine-products-including-stem-cells-and-exosomes

U.S. Food and Drug Administration. (2020b, July). Regulatory considerations for human cells, tissues, and cellular and tissue-based products: Minimal manipulation and homologous use — Guidance for industry and FDA staff. FDA. https://www.fda.gov/regulatory-information/search-fda-guidance-documents/regulatory-considerations-human-cells-tissues-and-cellular-and-tissue-based-products-minimal

Last medically reviewed: September 14, 2026

Related reading

• PRP for Shoulder Pain Explained
• How PRP Is Used for Joint Pain
• Are You a Candidate for Regenerative Medicine?
• What Is Regenerative Medicine Used For?

More questions answered on the PrimeCell patient blog, or see frequently asked questions.

Related services at PrimeCell

PrimeCell is a physician-led practice in Orlando. Candidacy for any procedure is determined at an in-person evaluation.