Now the dosage forms in market are dry powder emulsion for injection and cream jellies urethral suppository for external use .

目前国内外上市的前列腺素E1剂型有冰干粉针剂、注射乳剂，外用制剂有乳膏、凝胶剂和 尿道 栓。

Effect of alprostadil urethral suppository on erectile dysfunction : a double blind randomized flexible dose escalation study for seventy eight patients

前列地尔 尿道 栓治疗勃起功能障碍附78例随机、双盲、安慰剂对照、剂量可调的临床研究