Change From Baseline to End of Treatment in Mean Number of Micturitions Per 24 Hours
A micturition is any voluntary urination, excluding episodes of incontinence only.The mean number of micturitions per 24 hours was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Mean Voided Volume Per Micturition
A micturition is any voluntary urination, excluding episodes of incontinence only. The mean volume voided per micturition was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Maximum Volume Voided Per Micturition
A micturition is any voluntary urination, excluding episodes of incontinence only. The maximum volume voided per micturition was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Mean Number of Urgency Episodes (PPIUS Grade 3 or 4) Per 24 Hours
An urgency episode is defined as an episode of strong desire to void accompanied by fear of leakage or pain. The mean number of urgency episodes with PPIUS grade 3 (Severe urgency) or 4 (Urgency incontinence) per 24 hours was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Mean Number of Urgency Incontinence Episodes Per 24 Hours
An urgency incontinence episode is defined as an episode with any involuntary leakage of urine accompanied by or immediately preceded by urgency. The mean number of urgency incontinence episodes with PPIUS grade 3 (Severe incontinence) or 4 (Urgency incontinence) per 24 hours was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Mean Number of Incontinence Episodes Per 24 Hours
An incontinence episode is defined as an episode with any involuntary loss of urine. The mean number of incontinence episodes per 24 hours was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Mean Number of Nocturia Episodes Per 24 Hours
A nocturia episode is defined as waking up at night to void (i.e., any voiding associated with sleep disturbance between the time the participant goes to bed with the intention to sleep until the time the patient gets up in the morning with the intention to stay awake). The mean number of nocturia episodes per 24 hours was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in Mean Number of Pads Used Per 24 Hours
The mean number of pads per 24 hours was calculated from data recorded by the participant in the micturition diary for the 3 days preceding each clinic visit.
Change From Baseline to End of Treatment in IPSS Voiding Score
The IPSS is a validated global questionnaire to assess the degree of urinary symptoms based on answers to 7 questions. Each question is assigned points from 0 to 5 indicating increasing severity of the particular symptom. The voiding score is the sum of the responses to 4 voiding questions (incomplete emptying of the bladder, intermittency, weak stream, hesitancy) and ranges from 0 to 20 (mildly symptomatic to severely symptomatic).
Change From Baseline to End of Treatment in IPSS Storage Score
The IPSS is a validated global questionnaire to assess the degree of urinary symptoms based on answers to 7 questions concerning urinary symptoms. Each question is assigned points from 0 to 5 indicating increasing severity of the particular symptom. The storage symptom score is the sum of the responses to 3 storage questions (frequency, urgency and nocturia) and ranges from 0 to 15 (mildly symptomatic to severely symptomatic).
Change From Baseline to End of Treatment in IPSS QoL Score
The QoL assessment was a single question asking the participant how he would feel about tolerating his current level of symptoms for the rest of his life. The answers ranged from 0 to 6 (delighted to terrible).
Change From Baseline to End of Treatment in Individual IPSS Scores
The IPSS is a validated global questionnaire to assess the degree of urinary symptoms, based on answers to 7 questions concerning urinary symptoms:
Incomplete emptying of the bladder
Intermittency
Weak stream
Hesitancy
Frequency
Urgency
Nocturia
Each question is assigned points from 0 to 5 indicating increasing severity of the symptom.
Change From Baseline to End of Treatment in Symptom Bother Score
The Overactive Bladder Questionnaire (OAB-q) is a self-reported questionnaire with items relating to Symptom Bother and health-related quality of life (HRQoL). The Symptom Bother portion consists of an 8-item scale scored from 1 to 6. The total symptom bother score was calculated from the 8 answers and then transformed to range from 0 to 100, with 100 indicating worst severity. A negative change from baseline indicates an improvement.
Change From Baseline to End of Treatment in Health Related QoL (HRQoL) Subscale: Coping Score
The Overactive Bladder Questionnaire (OAB-q) is a self-reported questionnaire with items relating to Symptom Bother and health-related quality of life (HRQoL). The HRQoL portion consists of an 25-item HRQoL subscale containing the following domains scored from 1 to 6:
coping
concern
sleep
social interaction
Coping score can range from 8 to 48 (none of the time to all of the time) and transformed to a scale from 0 to 100, with higher scores indicating better quality of life. A positive change from baseline indicates an improvement.
Change From Baseline to End of Treatment in HRQoL Subscale: Concern Score
The Overactive Bladder Questionnaire (OAB-q) is a self-reported questionnaire with items relating to Symptom Bother and health-related quality of life (HRQoL). The HRQoL portion consists of an 25-item HRQoL subscale containing the following domains scored from 1 to 6:
coping
concern
sleep
social interaction
Concern score can range from 8 to 48 (none of the time to all of the time) and transformed to a scale from 0 to 100, with higher scores indicating better quality of life. A positive change from baseline indicates an improvement.
Change From Baseline to End of Treatment in HRQoL Subscale: Sleep Score
The Overactive Bladder Questionnaire (OAB-q) is a self-reported questionnaire with items relating to Symptom Bother and health-related quality of life (HRQoL). The HRQoL portion consists of an 25-item HRQoL subscale containing the following domains scored from 1 to 6:
coping
concern
sleep
social interaction
Sleep score can range from 8 to 48 (none of the time to all of the time) and transformed to a scale from 0 to 100, with higher scores indicating better quality of life. A positive change from baseline indicates an improvement.
Change From Baseline to End of Treatment in HRQoL Subscale: Social Score
The Overactive Bladder Questionnaire (OAB-q) is a self-reported questionnaire with items relating to Symptom Bother and health-related quality of life (HRQoL). The HRQoL portion consists of an 25-item HRQoL subscale containing the following domains scored from 1 to 6:
coping
concern
sleep
social interaction
Social score can range from 8 to 48 (none of the time to all of the time) and transformed to a scale from 0 to 100, with higher scores indicating better quality of life. A positive change from baseline indicates an improvement.
Change From Baseline to End of Treatment in HRQoL Subscale: Total Score
The Overactive Bladder Questionnaire (OAB-q) is a self-reported questionnaire with items relating to Symptom Bother and health-related quality of life (HRQoL). The HRQoL portion consists of an 25-item HRQoL subscale containing the following domains scored from 1 to 6:
coping
concern
sleep
social interaction
Total score is calculated by adding the 4 HRQoL subscale scores and transforming to a scale from 0 to 100, with higher scores indicating better quality of life. A positive change from baseline indicates an improvement.
Percentage of Participants Who Were OAB-q Responders at End of Treatment
A OAB-q responder was defined as a participant with an improvement from baseline in HRQoL subscale total score ≥ 10.
Change From Baseline to End of Treatment in EQ-5D Mobility Score
The European quality of life-5 dimensions (EQ-5D) is an international standardized non-disease specific instrument for describing and valuing health status. The EQ5D has 5 domains:
mobility
self-care
usual activity
pain/discomfort
anxiety/depression
Each domain has 3 response levels (1= no problem, 2= some problems, 3 = confined to bed).
Change From Baseline to End of Treatment in EQ-5D Self-care Score
The European quality of life-5 dimensions (EQ-5D) is an international standardized non-disease specific instrument for describing and valuing health status. The EQ5D has 5 domains:
mobility
self-care
usual activity
pain/discomfort
anxiety/depression
Each domain has 3 response levels (1= no problem, 2= some problems, 3 = unable to wash/dress).
Change From Baseline to End of Treatment in EQ-5D Usual Activities Score
The European quality of life-5 dimensions (EQ-5D) is an international standardized non-disease specific instrument for describing and valuing health status. The EQ5D has 5 domains:
mobility
self-care
usual activity
pain/discomfort
anxiety/depression
Each domain has 3 response levels (1= no problem, 2= some problems, 3 = unable to perform usual activities).
Change From Baseline to End of Treatment in EQ-5D Pain/Discomfort Score
The European quality of life-5 dimensions (EQ-5D) is an international standardized non-disease specific instrument for describing and valuing health status. The EQ5D has 5 domains:
mobility
self-care
usual activity
pain/discomfort
anxiety/depression
Each domain has 3 response levels (1= no pain, 2= moderate pain, 3 = extreme pain).
Change From Baseline to End of Treatment in EQ-5D Anxiety/Depression Score
The European quality of life-5 dimensions (EQ-5D) is an international standardized non-disease specific instrument for describing and valuing health status. The EQ5D has 5 domains:
mobility
self-care
usual activity
pain/discomfort
anxiety/depression
Each domain has 3 response levels (1= not anxious, 2= moderately anxious, 3 = extremely anxious).
Change From Baseline to End of Treatment in EQ-5D Visual Analogue Scale (VAS) Score
Visual Analogue Scale (VAS) is part of the EQ-5D questionnaire. The VAS is self-rated by the participant ranging from 0 to 100 (worst imaginable health state to best imaginable health state).
Patient Global Impression Scale at End of Treatment: Overall Bladder Symptoms
The Patient Global Impression (PGI) is a global questionnaire completed by the participant to assess both the change in the participants overall condition and the change in bladder symptoms since the start of the study. The questionnaire consists of 2 questions with 7 response levels ranging from 1 to 7 (very much improved to very much worse).
Patient Global Impression Scale at End of Treatment: General Health
The Patient Global Impression (PGI) is a global questionnaire completed by the participant to assess both the change in the participants overall condition and the change in bladder symptoms since the start of the study. The questionnaire consists of 2 questions with 7 response levels ranging from 1 to 7 (very much improved to very much worse).
Clinician Global Impression Scale at End of Treatment: Overall Bladder Symptoms
The Clinician Global Impression (CGI) is a questionnaire completed by the physician to assess change in the participants bladder symptoms since the start of the study. The questionnaire consists of 1 question with 7 response levels ranging from 1 to 7 (very much improved to very much worse).
Number of Participants With Adverse Events (AEs)
Safety is monitored by collecting AEs, which include abnormal laboratory parameters, vital signs or ECG data if the abnormality induced clinical signs or symptoms, needed active intervention, interruption or discontinuation of study medication or was clinically significant. A serious AE (SAE) was an event resulting in death, persistent or significant disability/incapacity or congenital anomaly or birth defect, was life-threatening, required or prolonged hospitalization or was considered medically important. AEs were assessed by the Investigator for intensity as mild (no disruption of normal daily activities), moderate (affected normal daily activities) or severe (inability to perform daily activities) and for causal relationship to study drug. A treatment-emergent adverse event (TEAE) was defined as an AE that occurred after administration of the first dose of double-blind study drug until 14 days after the last dose of double-blind study drug.
Change From Baseline to End of Treatment in Post Void Residual (PVR) Volume
PVR volume is the volume of urine retained after voiding. PVR volume was assessed by ultrasonography or bladder scan.
Change From Baseline to End of Treatment in Maximum Flow Rate (Qmax)
Qmax during a micturition (urination) was recorded using uroflowmetry.
Change From Baseline to End of Treatment in Average Flow Rate (Qmean)
Qmean during a micturition (urination) was recorded using uroflowmetry.
Apparent Clearance (CL/F) of Tamsulosin
Maximum Concentration at Steady State (Cmaxss) of Tamsulosin
Minimum Concentration at Steady State (Cminss) of Tamsulosin
Time of Maximum Concentration at Steady State (Tmaxss) of Tamsulosin
Area Under the Curve at Steady State (AUCss) of Tamsulosin