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Lichtenstein reported oral sildenafil as a treatment of RP for patients with SSc, systemic lupus erythematosus, and idiopathic RP. 1 His report included 10 patients from his community office practice ...

Overall, 217 men received sildenafil (25–100 mg; n = 104) or placebo (n = 113) for 12 weeks. Efficacy was assessed by the International Index of Erectile Function (IIEF) questionnaire that includes ...