“…Sumatriptan.-We identified 23 randomized trials of subcutaneous sumatriptan. 10,26,45,46,51,[53][54][55][56][57][58][59][60][61][62][63][64][65][66][67][68][69][70] Fifteen placebo controlled studies revealed large and consistent statistically significant differences between sumatriptan and placebo in four class 1 studies, 64,66,68,70 seven class 2 studies, 54,56,58,60,61,63,67 and four class 3 studies. 55,57,62,65 In a class 1 study, 66 patients were randomized to sumatriptan 6 mg SC or prochlorperazine 10 mg 1 diphenhydramine 12.5 mg IV.…”