Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: Comparing Subacromial Injection of Platelet-rich Plasma Versus Methylprednisolone in the Treatment of Shoulder Subacromial Impingement Syndrome
Brief Summary: The purpose of this study is to determine whether injection of platelet-rich plasma derived from patient's blood is effective in treatment of shoulder subacromial impingement syndrome as compared to the current protocol of methylprednisolone injection.