- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01000935
Impact of Autologous Platelet Rich Plasma on Healing of Rotator Cuff Repairs
Impact of Autologous Platelet Rich Plasma on Enhancing Repair of Rotator Cuff Tendons: A Multicentre Randomized Controlled Trial
Partial-thickness and full-thickness rotator cuff tears are common soft-tissue conditions that often require surgical treatment. Initial efforts to improve tendon healing centered on improving the strength of the repair construct. More recent studies have focused on biologic enhancement of the healing process. The use of platelet concentrates to improve healing, has been explored considerably during the last decade. Platelet Rich Plasma (PRP) is a fraction of plasma that has been isolated and used to enhance regeneration in bone and soft tissues.
There is information on use of PRP in oral surgery, achilles tendon healing, limb lengthening procedures, chronic elbow tendinosis, ruptures/degenerative changes in the patellar tendon, and osteoarthritis of the knee. There are no randomized clinical trials to our knowledge that have examined the impact of PRP in patients with rotator cuff tear.
The objective of the proposed pilot study is to examine the effectiveness of autologous Platelet Rich Plasma (PRP) application in promoting healing of the rotator cuff (RC) tendons following arthroscopic rotator cuff repair through a randomized controlled study.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Surgical procedures: Arthroscopic inspection of the shoulder will be performed to assess intra-articular structures and to evaluate the rotator cuff and other sub-acromial structures.
Arthroscopic Rotator Cuff Repair: Rotator cuff tears will be categorized as partial-thickness and full-thickness tears. The full-thickness tears will be classified as small (<1 cm), moderate (1-3 cm), and large (>3-5 cm) based on the largest dimension and will be treated with a repair using sutures and suture anchors as indicated.
Rehabilitation: A comprehensive protocol with instructions on different types of exercises will be provided pre-operatively. Rehabilitation will be based on the standard protocols for these procedures used at the Holland Centre.
Follow-ups: Patients will be monitored for 6 months, or when participation is terminated by the investigators, or because the patient withdrew consent or fails to return for visits. To evaluate safety, clinical laboratory (WBC, Hb, platelet count, serum chemistry and IL-6, CRP, PT, PTT and INR tests will be conducted at 6 weeks, and 3 months to determine the impact of treatment interventions.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Ontario
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Toronto, Ontario, Canada
- Mount Sinai Hospital
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Toronto, Ontario, Canada, M4Y1H1
- Sunnybrook Health Sciences Centre
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria
- Age >18 years
- Diagnosis of partial or full-thickness rotator cuff tear of less or equal to 3 cm. confirmed by MRI or US within a period of 6 months prior to booking surgery.
- The final inclusion will be based on arthroscopic assessment of the tear size and lack of significant concurrent pathology.
Exclusion Criteria
- Unable to speak or read English
- Non-repairable tear
- Acute tears (<6 month)
- Evidence of major joint trauma, infection, avascular necrosis, chronic dislocation, inflammatory arthropathy, frozen shoulder
- Concurrent pathology of Superior Labral Anterior and Posterior (SLAP) lesions, Bankart lesions, or advanced osteoarthritis of the glenohumeral joint
- Previous surgery of the affected shoulder
- Bone marrow pathology
- Abnormal platelet count
- Serum hemoglobin concentration <11 g/dL or hematocrit <34%
- Use of systemic cortisone
- Current use of anticoagulants (i.e. Aspirin)
- Use of an investigational drug and/or blood donation within the previous 3 months prior to surgery
- Substance or alcohol abuse
- Heavy smoking [a daily cigarettes consumption of more than 20 pieces, based on definition of the World Health Organization (WHO)]
- Psychiatric illness that precludes informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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ACTIVE_COMPARATOR: Platelet Rich Plasma
The platelet concentrate extracted from patient's own blood (PRP) will be applied to the surgical site after completion of the repair.
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Patient's blood will be drawn prior to the start of the procedure.
The processing disposable (PD) size of 60ml will be used to yield 7 ml of Platelet concentrate volume.
Using the lateral portal, the applicator for the PRP will be positioned in between the bone and the repaired rotator cuff without a cannula.
The inflow will then be closed and the arthroscopic fluid will be aspirated via the outflow cannula.
All other cannulae will be removed, producing a dry subacromial space.
The PRP and autologous thrombin will then be transferred to the sterile field and drawn up into a dedicated spray applicator kit (Smartjet) and applied to the site of repair.
A dry arthroscopic check will be performed to evaluate the clot formation of the applied solution.
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NO_INTERVENTION: Surgical repair (standard-of-care)
Patients will have a rotator cuff repair without the PRP application.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Visual Analogue Pain Scale
Time Frame: The primary outcome will be collected pre and post-operatively. The level of pain and medication utilization will be monitored throughout the study by completing a pain diary (day 1-30) and at 6 weeks, 3 months and 6 months following surgery.
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The primary outcome will be collected pre and post-operatively. The level of pain and medication utilization will be monitored throughout the study by completing a pain diary (day 1-30) and at 6 weeks, 3 months and 6 months following surgery.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adverse Effect
Time Frame: 6 months
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6 months
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Magnetic resonance Imaging (MRI)
Time Frame: 6 months after surgery
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The main secondary evaluation tool is the healing index examined by the post-operative MRI.
In order to assess tendon healing, anatomic evaluation of the cuff repair will be done with use of a MRI as the investigation of choice.
A postoperative MRI will be performed at a minimum of six months following surgery.
The images will be reviewed by a senior radiologist who is blinded to patient group allocation.
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6 months after surgery
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Patient- focused outcomes
Time Frame: Before surgery and 3 and 6 months following surgery
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Before surgery and 3 and 6 months following surgery
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Richard Holtby, MD, Sunnybrook Health Sciences Centre
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 2009-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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