“…In the 17 enrolled articles [ 11 , 12 , 14 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 ], five trials compared intra-muscular BoNT injections with a placebo [ 12 , 35 , 36 , 37 , 38 ], one trial compared intramuscular BoNT injections with intra-articular corticosteroid injections [ 40 ], one trial compared intra-muscular BoNT injections with SSNB [ 39 ], one trial compared intra-bursal BoNT injections with intra-bursal corticosteroid injections [ 34 ], three trials compared intra-articular/bursal corticosteroid injections with a placebo [ 43 , 44 , 45 ], one trial compared SSNB with intra-articular corticosteroid injections [ 46 ], three trials compared SSNB with a placebo [ 11 , 41 , 42 ], one trial compared HA injections with a placebo [ 14 ], and one trial compared HA injections with intra-articular corticosteroid injections [ 33 ]. Most of the included studies were double- or triple-blinded RCTs [ 12 , 14 , 35 , 36 , 37 , 38 , 39 ...…”