Study: NCT01065012

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Udenafil 50 mg
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Udenafil 100 mg
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Udenafil 150 mg
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: PLACEBO_COMPARATOR
Intervention: Placebo Matching 50 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo Matching 50 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo Matching 50 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: PLACEBO_COMPARATOR
Intervention: Placebo Matching 100 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo Matching 100 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo Matching 100 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: PLACEBO_COMPARATOR
Intervention: Placebo Matching 150 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo Matching 150 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo Matching 150 mg Udenafil
Description: Tablets via oral administration before an attempt at sexual intercourse. All subjects started at 100 mg and titrated up to 150 mg or down to 50 mg per Investigator and subject.