Eligibility criteria
Condition
Impotence
Sex
Male
Age
18-70 years
Inclusion criteria
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- Men 18-70 years of age
- Documented clinical diagnosis of erectile dysfunction of at least 3 months duration.
Exclusion criteria
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- Subjects with penile implants
- Subjects with a known history of retinitis pigmentosa.
- Subjects, due to the requirement of 100 mg dosage, who are receiving concomitant
treatment with the potent CYP3A4 inhibitor ritonavir.