Can Bone Marrow Concentrate and PRP Injections Help a Rotator Cuff Tear?

Possibly, for the right tear. For some partial and full-thickness supraspinatus (rotator cuff) tears, ultrasound-guided injections of bone marrow concentrate (BMC), a stem cell therapy, combined with platelet-rich plasma (PRP) may reduce pain and improve shoulder function. Emerging research suggests these injections can outperform exercise therapy alone in the short term, though diagnosis and injection technique still decide the result.

At Regenerative Performance in Gilbert, Arizona, we use ultrasound-guided orthobiologic injections as one option for carefully selected rotator cuff tears.

What Does the Best Current Research Say About BMC and PRP for Rotator Cuff Tears?

The best current research on BMC and PRP for rotator cuff tears is a 2024 randomized controlled trial that followed 51 patients with a torn supraspinatus tendon. Patients treated with bone marrow concentrate plus platelet products reported significantly greater improvement in shoulder function, pain, and overall recovery at three months than patients doing exercise therapy alone (Centeno et al., BMC Musculoskeletal Disorders, 2024), and those results were maintained through two years. Among patients with before-and-after MRIs, follow-up imaging demonstrated healing and reduced tear size in 73% of shoulders. No serious adverse events were reported.

The trial is one modest-sized study, and it focused on non-retracted tears, so that is where the evidence is strongest. BMC and PRP are not FDA-approved for rotator cuff tears, and results vary using your own tissue.

In our registry, 74% of patients treated for partial-thickness tendon tears report significant pain relief. Among shoulder patients, 82% report relief by 18 months (data updated July 2026).

Do BMC and PRP Injections Replace Rehab, or Help You Avoid Surgery?

BMC and PRP injections do not replace rehab, and for the right tear they may help you avoid surgery. Loading and rehabilitation remain foundational for rotator cuff pain.

Surgery is still the right call for some tears, particularly large retracted ones. The trial was not designed to prove that injections prevent surgery, but the numbers are encouraging: only about 1 in 50 patients, after a re-injury, went on to rotator cuff surgery during the two-year follow-up, even though most of the enrolled tears would have been considered surgical candidates (Centeno et al., BMC Musculoskeletal Disorders, 2024).

What Decides Whether BMC and PRP Injections Help Your Rotator Cuff Tear?

The biggest factor is an accurate diagnosis of which structures are driving your shoulder pain. A rotator cuff finding on imaging may not be the source of your symptoms, which is why a hands-on exam and diagnostic imaging come before any injection is discussed. Once the diagnosis is clear, the platelet and cell dose and ultrasound-guided placement accuracy influence the benefit. This decision often follows a trial of cortisone injections for shoulder pain.

For larger structural tears, microfragmented fat (MFAT) injections, processed from your own adipose tissue, can be a same-day alternative to bone marrow.

Rotator cuff research on MFAT is early. In two single-patient case reports, a small partial-thickness tear (Marathe et al., Cureus, 2021) and a small full-thickness tear (Ferrell et al., Regenerative Medicine, 2023) healed on imaging after MFAT and a later platelet-based injection; the second patient had other structures treated and later biceps surgery.

Who Might Be a Good Candidate for BMC and PRP Injections at Our Gilbert, AZ Clinic?

Candidacy for BMC and PRP injections comes down to your pain, your imaging, and what you have already tried. These injections tend to fit patients who have:

• Shoulder pain that has not improved after a course of physical therapy
• A partial-thickness supraspinatus tear on MRI
• A full-thickness tear that has not retracted from the bone
• A goal of exploring biologic options before committing to surgery