“…The number of enrolled patients varied from 30-1603 patients according to the trial (mean 200 patients). Forty of these studies were between-patient studies [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][22][23][24][26][27][28][29][30][31][32][34][35][36][37][38][39]41,43,44,46,[48][49][50][51]53 ; of those 11 were placebo-controlled studies 6,8,11,15,18,28,31,36,38,39,49 , and 20 studies were comparative between tw...…”