To compare the efficacy and safety of avanafil as compared with sildenafil in the management of patients with erectile dysfunction.

It was a prospective, randomized, double-blind, two-arm, active-controlled, parallel, multicenter, non-inferiority clinical study carried out in patients with erectile dysfunction for at least 3 months and International Index of Erectile Function – Erectile Function domain score of <26 at enrolment.

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