Safety of Autologous Muscle Fiber Fragments for Improved Function of Rotator Cuff Musculature Following Rotator Cuff Repair
Wake Forest University Health Sciences
Summary
In this study, a chest muscle sample (biopsy) will be taken and the muscle fibers will be removed from the sample and made into smaller strands or fragments. During this same procedure, those muscle fiber fragments (MFFs) will then be injected directly into the supraspinatus muscle. Once injected, the MFFs will remain in the supraspinatus where Investigators believe the MFF will become part of the participants' existing muscle and provide increased muscle size and strength, improving function (rotator cuff strength and stability).
Description
Muscle fiber fragment (MFF) therapy has shown pre-clinical and clinical promise in the treatment of bladder neck insufficiency/incompetent outlet. Fragmentation of muscle fibers derived from autologous muscle tissue can be injected through a needle into the sphincter region. The injected muscle fibers are able to assemble into long muscle fibers in the direction of host muscle fibers. More importantly, muscle progenitor cells residing on the fragmented muscle fibers survive and integrate into host vasculature and nerve to restore damaged muscle function. Preclinical results indicate that this…
Eligibility
- Age range
- 40–80 years
- Sex
- All
- Healthy volunteers
- No
Inclusion Criteria: * Males and females, ages 40 to 80 years * Unilateral Disease * \< 1.5cm tear Exclusion Criteria: * Diabetes * Peripheral Neuropathy * Previous Shoulder Surgery * Pain Syndrome; cuff arthroplasty * Major co-morbidities including, but not limited to, uncontrolled diabetes, cardiovascular, pulmonary, GI, coagulopathies * Arthritis of Shoulder * Unwilling or unable to comply with post-operative instructions or follow-up visits * Auto Immune Disease * Complete Subscapularis Tear * Teres Minor involvement * History of testing positive for HIV, Hep B, Hep C, HTLV-1, HTLV-2 * P…
Interventions
- OtherMuscle Fiber Fragments (MFFs)
During the rotator cuff repair procedure, a biopsy of muscle will be taken from the pectoralis major and processed under sterile conditions in the operating room to obtain MFFs. The final product, composed of autologous MFFs in suspension, will be delivered via targeted injection into the muscle belly of the supraspinatus through the Naviaser Portal with visual guidance after rotator cuff repair is complete.
Location
- Wake Forest University Health SciencesWinston-Salem, North Carolina