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A Study to Evaluate the Tolerability and Efficacy of Tamsulosin 0.4mg OCAS Formulation in Patients Who Are Unsatisfied With the Treatment of Tamsulosin 0.2mg Conventional Formulation

Phase 4
Completed
Conditions
Lower Urinary Tract Symptoms (LUTS) Associated With Benign Prostatic Hyperplasia (BPH)
Interventions
Registration Number
NCT02180789
Lead Sponsor
Astellas Pharma Inc
Brief Summary

This is an open-label, single-arm, prospective interventional study to assess the tolerability and efficacy of Harnalidge® OCAS® 0.4 mg in Taiwan patients who are unsatisfied with tamsulosin 0.2 mg for the treatment of lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH).

Detailed Description

After obtaining informed consent, subjects who meet the inclusion criteria and not violating the exclusion criteria will be enrolled to receive Harnalidge® OCAS® 0.4 mg for treatment. The interventional period for the study is three months after the first date of enrollment or until the patients are discontinued the treatment of Harnalidge® OCAS®. All subjects will be instructed to contact the site if a patient's partner becomes pregnant during or within 90 days from the discontinuation of dosing, the investigator should report the information to the sponsor as if it is an SAE.

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
100
Inclusion Criteria
  • Diagnosed as LUTS associated with BPH
  • Currently taking oral tamsulosin 0.2 mg for at least 4 weeks
  • Unsatisfied with the treatment of tamsulosin 0.2 mg The definition of 'unsatisfaction' is based on patient's satisfaction. Investigator will ask patient one question "Are you satisfied with your current treatment?" prior to study enrollment
  • IPSS-QOL score ≧3 points at baseline
Exclusion Criteria
  • Subjects who underwent prostatectomy during the period of one year prior to this study
  • Subjects with neurogenic bladder dysfunction, bladder neck sclerosis, urethral stricture, prostatic cancer, cystolithiasis, severe vesical diverticulum, urinary tract infection
  • Subjects with any other complication which may cause voiding dysfunction
  • Subjects with severe hepatic dysfunction, severe renal dysfunction, severe cardiovascular disorders, orthostatic hypotension, or senile dementia
  • Subjects clinically significant condition, which in the opinion of the investigator makes the patients unsuitable for the trial
  • Subjects who are currently participating in any other investigational drug study or who have participated in a study of an investigational drug within 3 months prior to this study

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Harnalidge® OCAS®Tamsulosin OCAS-
Primary Outcome Measures
NameTimeMethod
Changes from baseline in total scores of International Prostate Symptom Score (IPSS)baseline, 4-week, 8-week, 12 week
Secondary Outcome Measures
NameTimeMethod
Changes from baseline in total scores of Quality of life (QOL) index (IPSS-QOL)baseline, 4-week, 8-week, 12 week
Changes from baseline in Uroflowmetry parametersbaseline, 4-week, 8-week, 12 week

Uroflowmetry parameters include Qmax, Qave, and voided volume

Safety assessed by the adverse events, physical examination, vital signs and post void residual volumeUp to 12 week
Changes from baseline in IPSS subscorebaseline, 4-week, 8-week, 12 week

IPSS subscores include storage subscores, voiding subscores and nocturia

Changes from baseline in Visual Analogue Scale (VAS)baseline, 4-week, 8-week, 12 week

VAS is a vertical mark on a 10-cm line that ran from 'Not at all' to 'Yes, completely'. Patient marks on the line the point that they feel represents their perception of treatment satisfaction; 'Not at all' = 0 to 'Yes, completely' =10

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