一种口服药对治疗因脊髓损伤引起的勃起障碍似乎有效。在27名男性中,12名给予Sildenafil,14名给予安慰剂。28天后,9例(75％)药物治疗组的男性和1例(7％)安慰剂组男性报告他们的勃起功能有所改善(1例病人失去联系)。只有50％的脊髓完全或部分受损的男患者说他们能成功勃起并获得满意的性交。在12位接受治疗的男性中有7位是完全性脊髓损伤,他们中有4位勃起功能得到 An oral medication appears to be effective in treating erectile dysfunction due to spinal cord injury. Of the 27 men, 12 were given Sildenafil and 14 were given placebo. After 28 days, 9 (75%) of the drug-treated men and 1 (7%) of the placebo-treated men reported an improvement in their erectile function (1 patient lost contact). Only 50% of male patients with complete or partial spinal cord injury say they can successfully erect and receive satisfactory sexual intercourse. Seven of the 12 men treated were complete spinal cord injuries and four of them had erectile function