Trial Outcomes & Findings for Use of Silodosin to Treat Moderate to Severe Abacterial Chronic Prostatitis/Chronic Pelvic Pain Syndrome. (NCT NCT00740779)

NCT ID: NCT00740779

Last Updated: 2012-02-24

Results Overview

Change from baseline In NIH-CPSI at Week 12. Three separate domain scores are calculated as pain, urinary symptoms, and quality of life impact. NIH-CPSI total score uses a 0 to 43 scale; 0 best, 43 worse symptoms.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

153 participants

Primary outcome timeframe

12 weeks

Results posted on

2012-02-24

Participant Flow

Participant milestones

Participant milestones
Measure
Silodosin 4 mg
Silodosin 4 mg daily
Silodosin 8 mg
Silodosin 8 mg daily
Placebo
1 placebo capsule daily
Overall Study
STARTED
52
45
54
Overall Study
COMPLETED
43
31
41
Overall Study
NOT COMPLETED
9
14
13

Reasons for withdrawal

Reasons for withdrawal
Measure
Silodosin 4 mg
Silodosin 4 mg daily
Silodosin 8 mg
Silodosin 8 mg daily
Placebo
1 placebo capsule daily
Overall Study
Adverse Event
4
6
3
Overall Study
Protocol Violation
1
1
1
Overall Study
Lack of Efficacy
0
0
2
Overall Study
Withdrawal by Subject
2
4
2
Overall Study
Lost to Follow-up
2
3
5

Baseline Characteristics

Use of Silodosin to Treat Moderate to Severe Abacterial Chronic Prostatitis/Chronic Pelvic Pain Syndrome.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Silodosin 4 mg
n=52 Participants
Silodosin 4 mg daily
Silodosin 8 mg
n=45 Participants
Silodosin 8 mg daily
Placebo
n=54 Participants
1 placebo capsule daily
Total
n=151 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
0 Participants
n=31 Participants
Age, Categorical
Between 18 and 65 years
44 Participants
n=39 Participants
41 Participants
n=41 Participants
51 Participants
n=35 Participants
136 Participants
n=31 Participants
Age, Categorical
>=65 years
8 Participants
n=39 Participants
4 Participants
n=41 Participants
3 Participants
n=35 Participants
15 Participants
n=31 Participants
Age Continuous
49.2 years
STANDARD_DEVIATION 13.34 • n=39 Participants
46.7 years
STANDARD_DEVIATION 15.57 • n=41 Participants
49.0 years
STANDARD_DEVIATION 11.62 • n=35 Participants
48.4 years
STANDARD_DEVIATION 13.43 • n=31 Participants
Sex: Female, Male
Female
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
0 Participants
n=31 Participants
Sex: Female, Male
Male
52 Participants
n=39 Participants
45 Participants
n=41 Participants
54 Participants
n=35 Participants
151 Participants
n=31 Participants
Region of Enrollment
United States
52 participants
n=39 Participants
45 participants
n=41 Participants
54 participants
n=35 Participants
151 participants
n=31 Participants

PRIMARY outcome

Timeframe: 12 weeks

Population: The number of participants for analysis is determined by Last Observation Carried Forward (LOCF).

Change from baseline In NIH-CPSI at Week 12. Three separate domain scores are calculated as pain, urinary symptoms, and quality of life impact. NIH-CPSI total score uses a 0 to 43 scale; 0 best, 43 worse symptoms.

Outcome measures

Outcome measures
Measure
Silodosin 4 mg
n=52 Participants
Silodosin 4 mg daily
Silodosin 8 mg
n=45 Participants
Silodosin 8 mg daily
Placebo
n=51 Participants
1 placebo capsule daily
National Institutes of Health-Chronic Prostatitis Symptom Index (NIH-CPSI) Total Score.
Chage from Baseline in NIH-CPSI at Week 12
-12.1 Units on a 0 to 43 scale
Standard Deviation 9.32
-10.2 Units on a 0 to 43 scale
Standard Deviation 8.84
-8.5 Units on a 0 to 43 scale
Standard Deviation 7.23
National Institutes of Health-Chronic Prostatitis Symptom Index (NIH-CPSI) Total Score.
Baseline NIH-CPSI Total Score
26.0 Units on a 0 to 43 scale
Standard Deviation 6.29
26.8 Units on a 0 to 43 scale
Standard Deviation 5.94
27.9 Units on a 0 to 43 scale
Standard Deviation 6.21

Adverse Events

Silodosin 4 mg

Serious events: 2 serious events
Other events: 22 other events
Deaths: 0 deaths

Silodosin 8 mg

Serious events: 0 serious events
Other events: 25 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Silodosin 4 mg
n=52 participants at risk
Silodosin 4 mg daily
Silodosin 8 mg
n=45 participants at risk
Silodosin 8 mg daily
Placebo
n=54 participants at risk
1 placebo capsule daily
Infections and infestations
Urosepsis
1.9%
1/52 • Number of events 1 • 12 weeks
0.00%
0/45 • 12 weeks
0.00%
0/54 • 12 weeks
Nervous system disorders
Syncope
1.9%
1/52 • Number of events 1 • 12 weeks
0.00%
0/45 • 12 weeks
0.00%
0/54 • 12 weeks

Other adverse events

Other adverse events
Measure
Silodosin 4 mg
n=52 participants at risk
Silodosin 4 mg daily
Silodosin 8 mg
n=45 participants at risk
Silodosin 8 mg daily
Placebo
n=54 participants at risk
1 placebo capsule daily
Reproductive system and breast disorders
Retrograde Ejaculation
26.9%
14/52 • Number of events 15 • 12 weeks
40.0%
18/45 • Number of events 18 • 12 weeks
1.9%
1/54 • Number of events 1 • 12 weeks
Nervous system disorders
Dizziness
1.9%
1/52 • Number of events 1 • 12 weeks
11.1%
5/45 • Number of events 5 • 12 weeks
7.4%
4/54 • Number of events 5 • 12 weeks
Nervous system disorders
Headache
1.9%
1/52 • Number of events 1 • 12 weeks
4.4%
2/45 • Number of events 3 • 12 weeks
3.7%
2/54 • Number of events 2 • 12 weeks
Respiratory, thoracic and mediastinal disorders
Nasal Congestion
3.8%
2/52 • Number of events 2 • 12 weeks
6.7%
3/45 • Number of events 5 • 12 weeks
0.00%
0/54 • 12 weeks
Infections and infestations
Sinusitis
5.8%
3/52 • Number of events 4 • 12 weeks
4.4%
2/45 • Number of events 2 • 12 weeks
0.00%
0/54 • 12 weeks
Reproductive system and breast disorders
Libido Decreased
1.9%
1/52 • Number of events 1 • 12 weeks
4.4%
2/45 • Number of events 2 • 12 weeks
1.9%
1/54 • Number of events 1 • 12 weeks
Infections and infestations
Nasopharyngitis
1.9%
1/52 • Number of events 1 • 12 weeks
2.2%
1/45 • Number of events 3 • 12 weeks
3.7%
2/54 • Number of events 3 • 12 weeks
Musculoskeletal and connective tissue disorders
Back Pain
1.9%
1/52 • Number of events 1 • 12 weeks
0.00%
0/45 • 12 weeks
3.7%
2/54 • Number of events 2 • 12 weeks
Gastrointestinal disorders
Diarrhoea
3.8%
2/52 • Number of events 2 • 12 weeks
0.00%
0/45 • 12 weeks
0.00%
0/54 • 12 weeks
Gastrointestinal disorders
Nausea
0.00%
0/52 • 12 weeks
0.00%
0/45 • 12 weeks
5.6%
3/54 • Number of events 3 • 12 weeks
Renal and urinary disorders
Neurogenic Bladder
3.8%
2/52 • Number of events 2 • 12 weeks
0.00%
0/45 • 12 weeks
1.9%
1/54 • Number of events 1 • 12 weeks
Skin and subcutaneous tissue disorders
Rash
5.8%
3/52 • Number of events 3 • 12 weeks
0.00%
0/45 • 12 weeks
0.00%
0/54 • 12 weeks

Additional Information

Gary Hoel, RPh, PhD, Vice President, Global Brand Clinical Research

Watson Pharmaceuticals

Phone: 801-588-6641

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60