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A Study Comparing the Efficacy of an Alpha Blocker Versus an Alpha Blocker Plus Solifenacin in Men With Overactive Bladder

K

KYU-SUNG LEE

Status and phase

Completed
Phase 4

Conditions

Urinary Bladder, Overactive

Treatments

Drug: placebo
Drug: solifenacin
Drug: Alpha blocker

Study type

Interventional

Funder types

Other
Industry

Identifiers

Details and patient eligibility

About

The purpose of this study is to explore additional benefit of solifenacin after 12-week treatment, compared with alpha blocker monotherapy in men with residual OAB symptoms.

Enrollment

94 patients

Sex

Male

Ages

50+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Persistent symptoms of OAB as verified by the 3 day voiding diary, defined by:

    • symptoms of urinary urgency (defined as a level of >=3 in a 5 point urgency scale) at least two episode per 24 hours and
    • symptoms of urinary frequency ( >8 micturitions per 24 hours)
  • On a stable dose of tamsulosin for at least 1 month

Exclusion criteria

  • Previous history of acute urinary retention
  • Patients have a baseline post-void residual (PVR) which exceeded 50% of voided urine volume
  • Any condition that is a contraindication for anticholinergic treatment, including uncontrolled narrow-angled glaucoma, urinary retention or gastric retention
  • Symptomatic acute urinary tract infection (UTI) during the screening period
  • Treatment within the 14 days preceding randomization, or expected to initiate treatment during the study with any anticholinergic drugs and drug treatment for overactive bladder
  • A 5-alpha reductase inhibitor if started less than 3 months prior to screening
  • Patients with previous urethral, prostate or bladder neck surgery

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

94 participants in 2 patient groups, including a placebo group

Alpha blocker and placebo
Placebo Comparator group
Treatment:
Drug: Alpha blocker
Drug: placebo
Alpha blocker and solifenacin
Experimental group
Treatment:
Drug: Alpha blocker
Drug: solifenacin

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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