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. 2014 Apr 29;2014(4):CD010071. doi: 10.1002/14651858.CD010071.pub3

IRCT2013052313442N1.

Trial name or title A randomised controlled trial: comparing the effectiveness of ultrasound guided injection of platelet rich plasma and shoulder physiotherapy on pain and function of patients with partial thickness rotator cuff tears
Methods Study design: randomised trial
 Random sequence generation: not reported
 Allocation concealment: not reported
 Masking: not blinded
Participants Location: not reported
 Target sample size (N): 40
 Inclusion criteria: established rotator cuff tear (traumatic or degenerative) on MRI that should not be massive or full thickness in the radiologist's report; shoulder pain or dysfunction at a level of severity that makes the participant seek a medical intervention or surgery; all participants should have failed 2‐week treatments with NSAIDs and 6 weeks of physical therapy; provide written informed consent
 Exclusion criteria: pregnancy or active breastfeeding; presence of a tumour, metastatic disease, active infections; platelet count < 100,000 per μL or Hgb < 10 g/dL; gross instability of the glenohumeral joint; superior labral lesions requiring surgical repair; people with painful cervical spine pathology; previous surgery on the shoulder joint; national‐ or international‐level athletes
Interventions PRP: ultrasound guided, 3 mL PRP and 2 mL lidocaine injected directly into rotator cuff at the site of tear. Preparation must contain a platelet count of 100,000 per unit or be 5 times the basal level of the normal platelet count
Controls or placebo or no intervention (standard care): 15 sessions of shoulder physiotherapy
Outcomes Primary outcomes: Constant score; VAS
 Secondary outcomes: WORC
 Timing of outcomes measurement: 4, 8, 12 weeks
Starting date Main ID: IRCT201011205214N1
 Date of registration: June 2011
Last refreshed on: July 2013
 Date of first enrolment: December 2010
 Status: complete
Contact information Name: Dr Ramin Kordi
 Address: The Sports and Exercise Medicine Research Centre, Jalal Al Ahmad
 street, opposite the Shariati Hospital, Tehran, Tehran, Islamic Republic Of Iran
 Telephone: +98 2188 630227
 Email: ramin_kordi@tums.ac.ir
 Affiliation: The Sports and Exercise Medicine Research Centre
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