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Combination Treatment With Doxazosin Plus TolterodineSR 2 mg Versus 4mg in Men With an Overactive Bladder (OAB) and Benign Prostatic Hyperplasia (BPH)

NCT00922506 · Status: COMPLETED · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 83

Last updated 2019-12-02

No results posted yet for this study

Summary

OAB occurs in approximately 50% to 75% of men with BPO and up to 38% of men with BPO continue to suffer from OAB after relief the obstruction.Symptoms of OAB are more bothersome than the voiding complaints of slow stream and hesitancy. However, the patients with both BPO and OAB are often not treated with muscarinic receptor antagonists due to concern that they will experience acute urinary retention.

Tolterodine is a potent and pure muscarinic receptor antagonist that was developed specifically for the treatment of overactive bladder. Recently, studies revealed that tolterodine was effective, safe and well tolerated in adults with OAB and urodynamically confirmed BPO.However, the optimal dosage of antimuscarinic for the treatment of OAB coexisting BPO was not yet fully assessed. In real clinical situation, some patients complain voiding difficulty after addition of antimuscarinics and want to stop antimuscarinics.It is probable that a lower dosage of antimuscarinics combined with alpha-adrenergic antagonists can be used safely in OAB patients with BOO, with the same efficacy.

This study is designed to investigate the optimal doses of tolterodine SR in combination with doxazosin in men with both BOO and OAB based on efficacy, safety, and tolerability.

Conditions

Interventions

DRUG

doxazosin plus tolterodine SR

doxazosin plus tolterodine SR(2 mg, qd)for 12 weeks or (4 mg, qd) for 12 weeks

Sponsors & Collaborators

  • Samsung Medical Center

    lead OTHER

Principal Investigators

  • Kyu-Sung Lee, Ph.D · Samsung Medical Center

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
50 Years
Max Age
80 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2009-05-31
Primary Completion
2014-05-31
Completion
2014-06-30

Countries

  • South Korea

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00922506 on ClinicalTrials.gov