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Treatments · Long Island, NY

PRP injections and regenerative medicine,
placed with precision.

At a glance

PRP and regenerative medicine involve selected injections using concentrated blood platelets or other biologic approaches for diagnosed tendon, ligament or joint problems. Institute of Function starts with diagnosis and rehabilitation, considering the least invasive effective option and procedures only when examination supports them. Dr. Benjamin (Ben) Klyachman, D.O., board-certified in pain medicine and physical medicine and rehabilitation, leads care at Institute of Function in Nassau County, NY, which welcomes patients from across Long Island, New York City and beyond.

Regenerative medicine uses your own biology to support healing in injured or degenerated tissue. At Institute of Function in Nassau County, these treatments are considered selectively, placed under image guidance, and always paired with rehabilitation. They are never a shortcut around an accurate diagnosis.

Medically reviewed by Dr. Ben Klyachman, D.O. · Updated October 21, 2026

What these treatments are

Platelet-rich plasma, or PRP, concentrates the platelets from a small sample of your own blood and places them into the target tissue. Prolotherapy uses a dextrose-based solution to prompt a local healing response in selected ligaments and tendons. Bone marrow concentrate, sometimes called BMAC, draws on cells from your own bone marrow for select joint problems. Each option has a different evidence base, and none is right for everyone.

Where they may fit

We most often discuss these options for tendon problems such as tennis elbow, golfer's elbow and Achilles or patellar tendon pain, for knee osteoarthritis, and for select joint and ligament injuries that have not responded to a well-built rehabilitation plan. When a condition is not a good fit for regenerative care, we say so plainly and point you toward what is more likely to help.

What a visit looks like

Treatment begins with a physician evaluation and a review of your imaging and prior care. On the day of a procedure, the area is confirmed with diagnostic ultrasound, a small blood or marrow sample is prepared, and the injection is placed under continuous ultrasound guidance in our office. Most visits take under an hour, and a graded return to activity follows over the coming weeks.

An honest word on evidence

Results vary from person to person, and no outcome is promised. PRP has supportive evidence for some tendon problems and knee osteoarthritis, and weaker or mixed evidence elsewhere. Bone marrow concentrate is not FDA approved for arthritis, and we discuss the regulatory and evidence landscape openly before any cell-based option is considered. Rehabilitation and movement are part of every plan, and surgery remains a last resort, pursued only when it is truly needed.

Common
questions.

This page is general information, not medical advice. Individual results vary. Medical Disclaimer

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