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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06442319
Other study ID # NicolausCopernicusU
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date June 1, 2024
Est. completion date April 15, 2030

Study information

Verified date May 2024
Source Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz
Contact Dawid Szwedowski, MD, PhD
Phone 608075237
Email dszwedow@yahoo.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The anterior cruciate ligament (ACL) is the main stabilizer of the knee joint, as it controls anteroposterior and rotatory knee laxity. The number of ACL injuries has increased in the past three decades because more and more people participate in recreational and competitive sporting activities. Injury to the ACL often leads to functional instability, damage to the meniscus and articular cartilage, and an increased risk for osteoarthritis (OA). Emphasizes the fact that ACL has limited healing potential 'The gold standard' treatment is ACL reconstruction, with over 200,000 reconstruction surgeries performed annually in the United States. However, despite the success of surgery in restoring functional stability, it has been found so far in several studies that the prevalence of moderate to severe arthritis in long-term radiographic follow-up is more than 50% after ACL reconstruction within 5 to 15 years or sooner. ACL-injured knees had at least 3 times higher risk of arthritis than uninjured contralateral knees. Early osteoarthritis was observed on magnetic resonance imaging (MRI) up to 11 years following ACL injury after operative and nonoperative management. Because ACL injuries predominantly occur in individuals between the ages of 15 and 25 years, symptoms of OA most often affect patients during their most productive years. This is worrisome because most patients who sustain ACL tears are free of the risk of other factors for developing OA.Consequently, posttraumatic OA after ACL reconstruction ultimately translates into a large economic effect on the healthcare system owing to the young age of this population. Platelet-rich plasma is an autologous solution of highly concentrated platelets dispersed in a small capacity of plasma. Enthusiasm for the therapeutic potential of platelets is based on its rich omplement of anabolic growth factors and anti-inflammatory cytokines in the platelets, which induce cellular proliferation, migration, differentiation, angiogenesis, and extracellular matrix synthesis. In addition, the functional mechanisms of PRP in OA treatment have been explained by its effect on modulating critical pro-inflammatory mediators and catabolic enzymes, as well as maintaining joint homeostasis. The reasons for this early incidence of post-traumatic OA remain unclear, but the underlying mechanisms have been speculated to involve some combination of cartilage damage at the time of injury, and posttraumatic molecular changes in the joint, including immune reactions or persistent secondary inflammation. We hypothesized that PRP injection after ACL reconstruction could prevent cartilage damage, act anti-inflammatory, and provide better clinical and radiological outcomes seen in MRI.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date April 15, 2030
Est. primary completion date April 15, 2028
Accepts healthy volunteers No
Gender All
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - subject is 18-45 years old - subject has BMI < 40 kg/m2 - subject had ACL reconstrution - small asymptomatic meniscal lesions that won't require repair - subject must be willing to abstain from other intra-articular treatments of the knee for the duration of the study. - subject is willing to discontinue all analgesics including nonsteroidal anti-inflammatory drugs (NSAIDs), except tramadol and paracetamol, at least one month before the synovial fluid aspiration and through the completion of the study - subject is able to understand and comply with the requirements of the study and voluntarily provides consent Exclusion Criteria: - subject has a history of metabolic diseases, endocrine disorders, rheumatic and connective tissue diseases, cancer, hormonal contraception, steroid therapy, antibiotic therapy - subject had an intraarticular injection into the affected joint - subject had previous operations (beside ACL reconstruction) or fractures of the affected limb - subject has a history of nicotine, alcohol, or drug addiction - subject has a meniscal tear that requires suturing or total meniscectomy seen on MRI - subject has multi-ligament knee injuries or multi-organ injury - subject has significant varus or valgus deformity greater than 10 degrees in either knee, determined by an X-ray

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Platelet-rich plasma
Platelet-rich plasma intra-articular injection in patients after anterior cruciate ligament reconstruction

Locations

Country Name City State
Poland Dawid Szwedowski Torun

Sponsors (1)

Lead Sponsor Collaborator
Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz

Country where clinical trial is conducted

Poland, 

References & Publications (2)

Frobell RB, Roos EM, Roos HP, Ranstam J, Lohmander LS. A randomized trial of treatment for acute anterior cruciate ligament tears. N Engl J Med. 2010 Jul 22;363(4):331-42. doi: 10.1056/NEJMoa0907797. Erratum In: N Engl J Med. 2010 Aug 26;363(9):893. — View Citation

Lohmander LS, Ostenberg A, Englund M, Roos H. High prevalence of knee osteoarthritis, pain, and functional limitations in female soccer players twelve years after anterior cruciate ligament injury. Arthritis Rheum. 2004 Oct;50(10):3145-52. doi: 10.1002/art.20589. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Pain and cartilage volume The 2 primary outcomes were 12-month change in overall average knee pain scores (11-point scale; range, 0-10, with higher scores indicating worse pain; minimum clinically important difference of 1.8) and percentage change in cartilage volume as assessed by magnetic resonance imaging (MRI). 12 months
Secondary Synovitis The assesment of synovial fluid volume and fat pad synovitis seen in ultrasonography and MRI 6 and 12 months post-treatment
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