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Autologous Fat Grafting for the Treatment of Chronic Tendinopathy
Sponsor: Weill Medical College of Cornell University
Summary
The goal of this clinical trial is to learn whether a one-time injection of a person's own concentrated fat (micro-fragmented adipose tissue, or MFAT) can reduce pain and improve function in adults (ages 18-80) with chronic tendinopathy - tendon pain lasting more than 3 months (for example, in the shoulder, elbow, hip, knee, or Achilles) - that has not improved with usual treatments such as physical therapy, cortisone shots, or platelet-rich plasma. The main questions it aims to answer are: * Does injecting a person's own concentrated fat into a painful tendon reduce tendon pain? * Does it improve how well the tendon works, how long does any improvement last, and is the procedure safe? This is a single-group study, so there is no separate comparison group; each participant's pain, function, and ultrasound results after treatment are compared with their own measurements taken before treatment. Participants will: * Have a one-time procedure in which a small amount of fat is removed from the abdomen by liposuction (under local numbing), concentrated, and injected into the painful tendon using ultrasound guidance. * Complete short pain and function questionnaires and have ultrasound imaging of the tendon at study visits. * Be followed for about 12 months, with a phone or video check-in 3-7 days after the procedure, a 2-week skin check of the fat-removal site, and visits at 6 weeks, 3 months, 6 months, and 12 months.
Key Details
Gender
All
Age Range
18 Years - 80 Years
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2026-08
Completion Date
2028-07
Last Updated
2026-08-06
Healthy Volunteers
No
Conditions
Interventions
Micro-Fragmented Adipose Tissue (MFAT) injection
Autologous microfragmented adipose tissue (MFAT), i.e., mechanically concentrated autologous lipoaspirate, prepared and delivered in a single, same-day, point-of-care procedure. Under local anesthesia, 5-15 cc of subcutaneous abdominal fat is harvested by small-volume manual liposuction. The lipoaspirate is sterilely rinsed and concentrated by manual rolling on a non-adherent (Telfa) dressing; no enzymatic (collagenase) digestion, cell isolation, culture, or expansion is performed (minimal manipulation). Under ultrasound guidance, percutaneous tenotomy (needle fenestration) of the target tendon is performed, followed by a single intratendinous injection of 1-3 cc of the concentrated graft into the area of tendinopathy. One-time administration; route is percutaneous intratendinous injection. No exogenous cells, additives, scaffolds, or culture are used; the graft is autologous and delivered within the same surgical procedure.
Locations (1)
Department of Rehabilitation Medicine WCMC
New York, New York, United States