-
Change From Baseline in Mean Office Diastolic Blood Pressure at the End of Treatment
Time frame: Baseline and Week 5 (end of the treatment period)
Office diastolic blood pressure will be measured three consecutive times at the study visit. The arithmetic mean of the three measurements will be used. The outcome will be calculated as the mean office diastolic blood pressure at the end of the 5-week treatment period minus the corresponding baseline value and will be reported in mmHg.
-
Mean Within-Session Change in Supine Systolic Blood Pressure
Time frame: At each treatment session from Day 1 through Week 5: 3 minutes before treatment, 30 minutes after treatment initiation, and 3 minutes after treatment
Supine systolic blood pressure will be measured 3 minutes before each treatment session, at 30 minutes during the session, and 3 minutes after the session. Changes from the pre-session measurement to the during-session and post-session measurements will be calculated and reported in mmHg.
-
Mean Within-Session Change in Supine Diastolic Blood Pressure
Time frame: At each treatment session from Day 1 through Week 5: 3 minutes before treatment, 30 minutes after treatment initiation, and 3 minutes after treatment
Supine diastolic blood pressure will be measured 3 minutes before each treatment session, at 30 minutes during the session, and 3 minutes after the session. Changes from the pre-session measurement to the during-session and post-session measurements will be calculated and reported in mmHg.
-
Mean Within-Session Change in Supine Heart Rate
Time frame: At each treatment session from Day 1 through Week 5: 3 minutes before treatment, 30 minutes after treatment initiation, and 3 minutes after treatment
Supine heart rate will be measured 3 minutes before each treatment session, at 30 minutes during the session, and 3 minutes after the session. Changes from the pre-session measurement to the during-session and post-session measurements will be calculated and reported in beats per minute.
-
Change From Baseline in Mean Office Systolic Blood Pressure at Follow-up Assessments
Time frame: Baseline; Week 3 (after 20 treatment sessions); and Months 1, 3, and 6 after the end of treatment
Office systolic blood pressure will be measured three consecutive times at each study visit, and the arithmetic mean will be used. Change from baseline will be calculated separately at each prespecified post-baseline assessment and reported in mmHg.
-
Change From Baseline in Mean Office Diastolic Blood Pressure at Follow-up Assessments
Time frame: Baseline; Week 3 (after 20 treatment sessions); and Months 1, 3, and 6 after the end of treatment
Office diastolic blood pressure will be measured three consecutive times at each study visit, and the arithmetic mean will be used. Change from baseline will be calculated separately at each prespecified post-baseline assessment and reported in mmHg.
-
Change From Baseline in 24-Hour Mean Systolic Blood Pressure
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Twenty-four-hour mean systolic blood pressure will be measured using ambulatory blood pressure monitoring. Change from baseline will be calculated separately at each prespecified post-baseline assessment and reported in mmHg.
-
Change From Baseline in 24-Hour Mean Diastolic Blood Pressure
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Twenty-four-hour mean diastolic blood pressure will be measured using ambulatory blood pressure monitoring. Change from baseline will be calculated separately at each prespecified post-baseline assessment and reported in mmHg.
-
Change From Baseline in the 5-Item International Index of Erectile Function Total Score
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Erectile function will be assessed using the 5-item International Index of Erectile Function. The total score will be calculated according to the prespecified scoring method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Percentage of Participants Answering Yes to Sexual Encounter Profile Question 2
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Sexual Encounter Profile Question 2 asks whether the participant was able to insert the penis into the partner's vagina. The percentage of participants answering Yes will be calculated at each prespecified assessment.
-
Percentage of Participants Answering Yes to Sexual Encounter Profile Question 3
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Sexual Encounter Profile Question 3 asks whether the participant's erection lasted long enough for successful intercourse. The percentage of participants answering Yes will be calculated at each prespecified assessment.
-
Percentage of Participants Answering Yes to the Global Assessment Question
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Participants will answer whether the treatment received during the study improved their erections. The percentage of participants answering Yes will be calculated at each prespecified assessment.
-
Change From Baseline in the Self-Esteem and Relationship Questionnaire Score
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Self-esteem and sexual relationship outcomes will be assessed using the Self-Esteem and Relationship questionnaire. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Erectile Hardness Score
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Erection hardness will be assessed using the Erectile Hardness Score, ranging from Grade 1 to Grade 4, with higher grades indicating greater erection hardness. Change from baseline will be evaluated at each prespecified assessment.
-
Change From Baseline in Serum Nitric Oxide Level
Time frame: Baseline; Week 5 (end of the treatment period); and Month 3 after the end of treatment
The parameter will be measured according to the prespecified standardized assessment procedure. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Serum Vascular Endothelial Growth Factor Level
Time frame: Baseline; Week 5 (end of the treatment period); and Month 3 after the end of treatment
The parameter will be measured according to the prespecified standardized assessment procedure. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Brachial Artery Flow-Mediated Dilation
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured according to the prespecified standardized assessment procedure. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Reactive Hyperemia Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured according to the prespecified standardized assessment procedure. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Penile Artery Resistance Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured according to the prespecified standardized assessment procedure. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Penile Artery Peak Systolic Velocity
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured according to the prespecified standardized assessment procedure. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Cardiac Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Cardiac Output
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Stroke Volume
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Stroke Volume Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Mean Arterial Pressure
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in SSVRI
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Left Ventricular Stroke Work Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Systemic Vascular Resistance Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Ejection Phase Contractility Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Inotropic State Index
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Systemic Vascular Resistance
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Total Vascular Resistance
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Mean Heart Rate
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Pulse Wave Velocity
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The parameter will be measured using the prespecified hemodynamic assessment method. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Hamilton Anxiety Rating Scale Total Score
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Anxiety severity will be assessed using the prespecified validated version of the Hamilton Anxiety Rating Scale (HAM-A). The total score will be calculated according to the standard scoring method, with higher scores indicating greater anxiety severity. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in [Full Name of Depression Scale] Total Score
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Depressive symptoms will be assessed using the prespecified validated version of the [full name and abbreviation of the depression scale]. The total score ranges from [minimum score] to [maximum score], with higher scores indicating [greater or lower] depressive symptom severity. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in Pittsburgh Sleep Quality Index Global Score
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Sleep quality will be assessed using the Pittsburgh Sleep Quality Index (PSQI). The global score ranges from 0 to 21, with higher scores indicating poorer sleep quality. Change from baseline will be calculated separately at each post-baseline assessment.
-
Change From Baseline in 36-Item Short Form Health Survey Domain Scores
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Health-related quality of life will be assessed using the 36-Item Short Form Health Survey (SF-36). Eight domain scores will be calculated according to the standard scoring algorithm and transformed to a scale from 0 to 100, with higher scores indicating better health status. Change from baseline will be calculated separately for each domain at each post-baseline assessment.
-
Change From Baseline in the Standard Deviation of Normal-to-Normal Intervals
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. The standard deviation of all normal-to-normal intervals (SDNN) will be calculated and reported in milliseconds. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in the Root Mean Square of Successive Normal-to-Normal Interval Differences
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. The root mean square of successive normal-to-normal interval differences (RMSSD) will be calculated and reported in milliseconds. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in the Percentage of Successive Normal-to-Normal Intervals Differing by More Than 50 Milliseconds
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. The percentage of successive normal-to-normal intervals differing by more than 50 milliseconds (pNN50) will be calculated and reported as a percentage. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in Low-Frequency Power
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. Low-frequency power will be calculated using the prespecified frequency-domain analysis method and reported in square milliseconds. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in High-Frequency Power
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. High-frequency power will be calculated using the prespecified frequency-domain analysis method and reported in square milliseconds. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in Very-Low-Frequency Power
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. Very-low-frequency power will be calculated using the prespecified frequency-domain analysis method and reported in square milliseconds. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in Total Heart Rate Variability Power
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
Heart rate variability will be assessed using a 5-minute recording obtained with the participant resting in the supine position. Total heart rate variability power will be calculated using the prespecified frequency-domain analysis method and reported in square milliseconds. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Change From Baseline in the Number of Nocturia Episodes per Night
Time frame: Baseline; Week 3 (after 20 treatment sessions); Week 5 (end of the treatment period); and Months 1, 3, and 6 after the end of treatment
The number of nocturia episodes will be recorded based on the participant's report of the number of times the participant wakes from sleep to urinate during the usual nighttime sleep period. Change from baseline will be calculated separately at each prespecified post-baseline assessment.
-
Number of Participants With Adverse Events
Time frame: From informed consent through Month 6 after the end of treatment
All adverse events occurring after informed consent will be recorded and assessed for severity and relationship to the study intervention. Events of special interest include skin injury, arrhythmia, and priapism. The number and percentage of participants experiencing one or more adverse events will be summarized by study arm.