Anterior Cruciate Ligament Injuries Clinical Trial
Official title:
Multi-Center Pilot Study to Evaluate Concentrated Bone Marrow Aspirate (cBMA) as a Treatment to Modify Post-Traumatic Osteoarthritis (PTOA) Following Revision Anterior Cruciate Ligament Reconstruction (ACLR)
The goal of this pilot randomized clinical trial is to look into the efficacy of concentrated bone marrow aspirate (cBMA) in improving post traumatic osteoarthritis (PTOA) symptoms in patients undergoing revision anterior cruciate ligament reconstruction surgery. The main questions it aims to answer are whether clinical outcomes, such as pain, are improved in patients who get cBMA with surgery, if there is a change in circulating markers of inflammation and what part of the cellular and molecular composition of cBMA may explain its effects.
Anterior cruciate ligament reconstruction (ACLR) surgery is considered a relatively safe and effective procedure, however, up to 18% of grafts will fail and require revision surgery. Some studies have shown that these patients may be at increased risk of worse clinical outcomes, including fast progression toward post-traumatic osteoarthritis (PTOA). This is likely in part due to the inflammatory environment created within the joint. Concentrated bone marrow aspirate (cBMA) is a regenerative medicine therapy that contains soluble factors and connective tissue progenitor cells which may have immunomodulatory and pro-regenerative potential. The use of this therapy in conjunction with standard of care surgical treatment may help reduce the inflammatory microenvironment inside the joint, therefore modifying the conditions that might lead to developing long term complications such as PTOA. We hypothesize that cBMA treatment at the time of revision ACLR may improve clinical outcomes at 1 year after surgery and reduce the risk of developing PTOA-associated symptoms. Participants will be randomized to either get a cBMA injection (investigational arm) at the time of surgery or a placebo incision (control arm). Biological specimens (blood, urine, synovial fluid), imaging data, functional tests and patient reported clinical outcomes will be measured at different time points during the study, for up to two years after the surgery. This will allow us to evaluate the effect of cBMA in clinical outcomes. Biological specimens will be analyzed using molecular biology techniques to determine their composition, including the concentration of cells and other inflammatory markers. ;
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