To determine the improvement in the self-esteem domain score of the Self-Esteem/Overall Relationship (SEAR) questionnaire and the improvement in erectile function (obtained from the Erectile Function \[EF\] domain of the International Index of Erectile Function \[IIEF\]). Furthermore, to determine if the improvement obtained in self-esteem was related to the main erectile dysfunction (ED) co-morbidities type and/or number.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
780
sildenafil 50 mg tablet by mouth 1 hour before sexual activity for 12 weeks; the dose could be increased to 100 mg or decreased to 25 mg.
placebo tablet by mouth 1 hour before sexual activity for 12 weeks
Change from baseline in the Self-esteem domain of the SEAR questionnaire
Time frame: Week 12
Correlation between the change in the SE domain of the SEAR questionnaire and the erectile function domain of the IIEF by number of ED co-morbidities
Time frame: Week 12
Differences in the global efficacy assessment question overall and by type of co-morbidity
Time frame: Week 12
Differences in the global satisfaction assessment questions overall and by type of co-morbidity
Time frame: Week 12
Comparisons between treatments in the SE domain of the SEAR questionnaire by type of co-morbidity (hypertension, hyperlipidemia, diabetes mellitus, benign prostatic hyperplasia, depression)
Time frame: Week 12
Changes in the sexual activity domain of the SEAR questionnaire overall and by type of co-morbidity
Time frame: Week 12
Changes in the relationship domain of the SEAR questionnaire overall and by type of co-morbidity
Time frame: Week 12
Changes of the SEAR questions overall and by type of co-morbidity
Time frame: Week 12
Changes of the IIEF questions overall and by type of co-morbidity
Time frame: Week 12
Changes of the IIEF domains overall and by type of co-morbidity
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Time frame: Week 12
Degrees of severity in the IIEF erectile function
Time frame: Week 12
Correlation between the change in the SE domain of the SEAR questionnaire and the erectile function domain of the IIEF overall and by type of co-morbidity
Time frame: Week 12
Changes in the questions from the event log overall and by type of co-morbidity
Time frame: Week 12
Correlation between each success rate derived from the event log and the change in the SE domain of the SEAR questionnaire overall and by type of co-morbidity
Time frame: Week 12
Differences in the intercourse success rates derived from the event log overall and by type of comorbidity
Time frame: Week 12