Study Results
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View full resultsBasic Information
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COMPLETED
NA
11 participants
INTERVENTIONAL
2015-06-30
2019-11-30
Brief Summary
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Detailed Description
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There is no intervention that is done with regards to the physiologic process that goes on inside the ankle joint when the ankle is injured. This is what the investigators intend to study. There is a very large destructive process that may contribute with the early development to arthritis.
The investigators would like to see the effect of this inflammatory response with the addition of platelet rich plasma (PRP) which is produced from a small vial of the patient's own blood. PRP has been used safely in patients with osteoarthritis and has been shown to slow the progression and improve pain scores. PRP is made by spinning the patient's blood in a centrifuge which separates the blood cells from each other. The bloods cells that are anti-inflammatory in nature are taken and placed in another syringe. This is a blinded randomized control study. There will be two groups in which the patients will randomize into: PRP group, or Normal Saline Group. In both groups, the investigator's plan is to withdraw joint fluid from both the injured and uninjured ankle at the time of the first surgery as to analyze the joint fluid from both ankles.
Participants who are randomized into the PRP group will receive PRP in the injured ankle at the time of the first surgery when the external fixator is placed. Participants who are randomized into the Normal Saline group will receive Normal Saline in the injured ankle at the time of the first surgery when the external fixator is placed.
After 7-14 days the participant will return and have their second surgery for definitive fixation. At the time of surgery, joint fluid will again be taken out of the joint for analysis to see if the PRP decreased the anti-inflammatory cells decreased inflammation. After the second surgery the participant will be followed up in the clinic in a regular manner.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Arthrocentesis/PRP
At the time of surgery, the participant will have both injured and uninjured ankles cleaned with surgical soap. An needle will be placed into the injured ankle joint and synovial fluid will be drawn out of the ankle and collected into a syringe. Using the same needle, the PRP will be delivered into the same arthrocentesis needle.
Next the uninjured ankle will have the same procedure as the injured ankle, except there will be no injection of PRP. There will only be a aspiration of synovial fluid from the uninjured ankle joint using a different clean needle.
Another aspiration of the synovial fluid will be done at the time of the second surgery in the same manner as before, except there will be no injection of PRP, just an aspiration of both injured and uninjured ankles.
Arthrocentesis/PRP
PRP (n=20): single intra-articular injection of 5 ml of a leukocyte-reduced platelet rich plasma (ACP, Arthrex, Naples, FL) at the time of closed reduction and initial stabilization using ankle-spanning external fixation
Arthrocentesis/Saline
At the time of surgery, the participant will have both injured and uninjured ankles cleaned with surgical soap. An needle will be placed into the injured ankle joint and synovial fluid will be drawn out of the ankle and collected into a syringe. Using the same needle, the Saline will be delivered into the same arthrocentesis needle.
Next the uninjured ankle will have the same procedure as the injured ankle, except there will be no injection of Saline. There will only be a aspiration of synovial fluid from the uninjured ankle joint using a different clean needle.
Another aspiration of the synovial fluid will be done at the time of the second surgery in the same manner as before, except there will be no injection of Saline, just an aspiration of both injured and uninjured ankles.
Arthrocentesis/Saline
Control (n=20): single intra-articular injection of 5 ml of sterile 0.9% saline at the time of closed reduction and initial stabilization using ankle-spanning external fixation
Interventions
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Arthrocentesis/PRP
PRP (n=20): single intra-articular injection of 5 ml of a leukocyte-reduced platelet rich plasma (ACP, Arthrex, Naples, FL) at the time of closed reduction and initial stabilization using ankle-spanning external fixation
Arthrocentesis/Saline
Control (n=20): single intra-articular injection of 5 ml of sterile 0.9% saline at the time of closed reduction and initial stabilization using ankle-spanning external fixation
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* Open pilon fracture
* Patients with contralateral lower extremity injury
* Patients unable to comply with the follow-up appointments
* Patients who had previous ankle injury to the currently injured ankle
* Patients who are pregnant
* Prisoners
18 Years
ALL
No
Sponsors
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University of Missouri-Columbia
OTHER
Responsible Party
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Brett Crist
Assistant Professor, Co-Director of Trauma Services, Co-Director Orthopaedic Trauma Fellowship, Department of Orthopaedic Surgery
Principal Investigators
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Brett D Crist, MD
Role: PRINCIPAL_INVESTIGATOR
University of Missouri-Columbia
Locations
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University of Missouri
Columbia, Missouri, United States
Countries
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References
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Marsh JL, Weigel DP, Dirschl DR. Tibial plafond fractures. How do these ankles function over time? J Bone Joint Surg Am. 2003 Feb;85(2):287-95.
Martin JA, Buckwalter JA. Post-traumatic osteoarthritis: the role of stress induced chondrocyte damage. Biorheology. 2006;43(3,4):517-21.
Green DM, Noble PC, Ahuero JS, Birdsall HH. Cellular events leading to chondrocyte death after cartilage impact injury. Arthritis Rheum. 2006 May;54(5):1509-17. doi: 10.1002/art.21812.
Guilak F, Fermor B, Keefe FJ, Kraus VB, Olson SA, Pisetsky DS, Setton LA, Weinberg JB. The role of biomechanics and inflammation in cartilage injury and repair. Clin Orthop Relat Res. 2004 Jun;(423):17-26. doi: 10.1097/01.blo.0000131233.83640.91.
Franklin SP, Cook JL. Prospective trial of autologous conditioned plasma versus hyaluronan plus corticosteroid for elbow osteoarthritis in dogs. Can Vet J. 2013 Sep;54(9):881-4.
Waters NP, Stoker AM, Carson WL, Pfeiffer FM, Cook JL. Biomarkers affected by impact velocity and maximum strain of cartilage during injury. J Biomech. 2014 Sep 22;47(12):3185-95. doi: 10.1016/j.jbiomech.2014.06.015. Epub 2014 Jun 21.
Waters NP, Stoker AM, Pfeiffer FM, Cook JL. Biomarkers Affected by Impact Severity during Osteochondral Injury. J Knee Surg. 2015 Jun;28(3):191-200. doi: 10.1055/s-0034-1376329. Epub 2014 May 23.
Garner BC, Stoker AM, Kuroki K, Evans R, Cook CR, Cook JL. Using animal models in osteoarthritis biomarker research. J Knee Surg. 2011 Dec;24(4):251-64. doi: 10.1055/s-0031-1297361.
Thomas TP, Anderson DD, Mosqueda TV, Van Hofwegen CJ, Hillis SL, Marsh JL, Brown TD. Objective CT-based metrics of articular fracture severity to assess risk for posttraumatic osteoarthritis. J Orthop Trauma. 2010 Dec;24(12):764-9. doi: 10.1097/BOT.0b013e3181d7a0aa.
Provided Documents
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Document Type: Study Protocol
Document Type: Statistical Analysis Plan
Other Identifiers
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2002117
Identifier Type: -
Identifier Source: org_study_id
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