Solifenacin as Add-on Therapy for Overactive Bladder Symptoms in Men Treated for Benign Prostatic Hyperplasia
A Randomized, Double-Blind, Placebo-Controlled, Parallel Group, Multicenter Study of Solifenacin Succinate as Add-on Therapy for Overactive Bladder (OAB) Symptoms in Men Treated for Benign Prostatic Hyperplasia (BPH) With Tamsulosin Hydrochloride
1 other identifier
interventional
638
1 country
8
Brief Summary
To evaluate the efficacy and safety of solifenacin succinate as add-on therapy for overactive bladder (OAB) symptoms in men who have been treated for benign prostatic hyperplasia (BPH) with tamsulosin hydrochloride for at least 6 weeks
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Oct 2008
8 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2008
CompletedFirst Submitted
Initial submission to the registry
October 9, 2008
CompletedFirst Posted
Study publicly available on registry
October 13, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2010
CompletedFebruary 15, 2013
February 1, 2013
1.3 years
October 9, 2008
February 13, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change from baseline in mean number of urgency episodes per 24 hours
at 4, 8, 12 week
Secondary Outcomes (4)
Mean number of micturitions per 24 hrs
at 4, 8, 12 week
Mean number of incontinence episodes per 24 hours
at 4, 8, 12 week
Mean number of micturitions per night
at 4, 8, 12 week
Adverse Events, Laboratory Tests
end of study
Study Arms (3)
1. Tamsulosin alone
PLACEBO COMPARATOR2. Tamsulosin + solifenacin (low dose)
EXPERIMENTAL3. Tamsulosin + solifenacin (high dose)
ACTIVE COMPARATORInterventions
oral
oral
Eligibility Criteria
You may qualify if:
- Patients with benign prostatic hypertrophy who have been treated with tamsulosin for at least 6 weeks
- Patients with urgency episodes and frequent micturitions
- Written informed consent has been obtained
- Uroflowmetry-Q max ≥ 5 mL/sec, and Post Void Residual Volume \< 50 mL
You may not qualify if:
- Patients with suspected symptoms of OAB whose onset is only transient (drug-induced, psychogenic, etc.)
- Patients with obvious stress urinary incontinence
- Patients with complications or who have a past history of a bladder tumor
- Patients with urethral stricture or bladder neck stenosis
- Patients with a history of surgery causing damage to the pelvic plexus
- Patients with history of hypersensitivity to α receptor blockers, a/b receptor blockers, or anticholinergic drugs
- Patients with orthostatic hypotension, ulcerative colitis, hyperthyroidism, dementia or cognitive dysfunction, Parkinson's disease, or cerebrovascular disorder
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (8)
Unknown Facility
Chugoku, Japan
Unknown Facility
Chūbu, Japan
Unknown Facility
Hokkaido, Japan
Unknown Facility
Kansai, Japan
Unknown Facility
Kantou, Japan
Unknown Facility
Kyushu, Japan
Unknown Facility
Shikoku, Japan
Unknown Facility
Tōhoku, Japan
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Central Contact
Astellas Pharma Inc
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 9, 2008
First Posted
October 13, 2008
Study Start
October 1, 2008
Primary Completion
January 1, 2010
Study Completion
January 1, 2010
Last Updated
February 15, 2013
Record last verified: 2013-02