CSAW is a multicentre randomised controlled trial, funded by Arthritis Research UK, comparing two surgical procedures (Arthroscopic Sub-acromial Decompression Surgery, and Arthroscopy of the shoulder) with a non-operative management with specialist reassessment, in patients who have had sub-acromial pain of at least three months duration.
The trial aimed to answer two main questions; firstly, should bone spurs be removed and secondly, is arthroscopic surgery a useful way to treat this type of shoulder pain.
The trial had a primary patient reported outcome, the Oxford Shoulder Score (OSS). CSAW recruited 313 participants who were followed-up for 12 months.
The Trial was led by Professor David Beard based at the University of Oxford.
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