Effect of ACP on Surgical Repair of Rotator Cuff Tears
|Rotator Cuff Tears||Device: Autologous conditioned plasma Device: Control group|
|Study Design:||Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
|Official Title:||Effect of Autologous Plasma (ACP) on Surgical Repair of Rotator Cuff Tears|
- Oxford Shoulder Score [ Time Frame: 3mo (6mo/24mo) ]The Oxford Shoulder Score used after 3 months is the primary parameter. The Score tests the ability to participate in the patients' normal life before they got injured.
- VAS Pain [ Time Frame: 10d po ]
- QuickDASH [ Time Frame: 3/6/24mo ]
- EQ-5D [ Time Frame: 3/6/24 mo ]
- ROM [ Time Frame: 3/6/24mo ]
- Measurement of the abduction strength [ Time Frame: 3/6/24 mo ]
- ASES Score [ Time Frame: 3/6/24mo ]
- Constant Murley Score [ Time Frame: 3/6/24 mo ]
- MRI/X-Ray/Ultrasonic Diagnostics [ Time Frame: 6/24 mo ]
- Measurement of the external rotation strenght [ Time Frame: 3/6/24 mo ]
|Study Start Date:||December 2010|
|Study Completion Date:||February 2015|
|Primary Completion Date:||February 2013 (Final data collection date for primary outcome measure)|
Experimental: ACP treated
The patients are going to get an injection of 4mL autologous conditioned plasma under the footprint following an arthroscopic repair of the rotator cuff.
Device: Autologous conditioned plasma
4mL autologous conditioned plasma application under the footprint following an arthroscopic repair of the rotator cuff.
Other Name: ACP Arthrex
Placebo Comparator: Control group
The patients are going to get an injection of 4mL saline solution under the footprint following an arthroscopic repair of the rotator cuff.
Device: Control group
4mL saline application under the footprint following an arthroscopic repair of the rotator cuff.
Other Name: ACP Arthrex
The shoulder joint, specially the rotator cuff, is one of the most complicated joints of the human body. If the tendon has to be fixed at the bone during surgery, the weak point in obtaining a successful surgery is the fixation of the tendon at the bone insertion site. Tendon belongs to the bradytrophic tissue conditional on the reduced blood flow, deep mitosis rate and lowered healing potential. We can boost the healing process with a selective use of PRP (platelet rich plasma). In this process, the healing site is delivered with an elevated concentration of thrombocytes and also growth factors which are constituent parts of them.
In this study, we will test the Arthrex® Double Syringe System. With this system it is possible to obtain ACP (Autologous conditioned plasma) in one centrifugation step. The supernatant contains a concentration of thrombocytes which is twice as high as in the native blood. The concentration of the growth factors is 5-25x higher according to this.
We also want to test if one application of ACP is enough to get a short- and long-term benefit in healing following a rotator cuff tear.
Please refer to this study by its ClinicalTrials.gov identifier: NCT01266226
|Zürich, Canton Zürich, Switzerland, 8008|
|Principal Investigator:||Matthias Flury, Dr||Upper Extremities Department|