Long Term Study of Solifenacin Succinate and Tamsulosin Hydrochloride Oral Controlled Absorption System (OCAS) in Males With Lower Urinary Tract Symptoms (Neptune II)

This study has been completed.
Information provided by (Responsible Party):
Astellas Pharma Inc
ClinicalTrials.gov Identifier:
First received: November 24, 2009
Last updated: July 27, 2015
Last verified: July 2015
Clinical study to examine the safety, tolerability and efficacy of long-term combination therapy of tamsulosin and solifenacin in the treatment of males with lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH) with a substantial storage component.

Condition Intervention Phase
Lower Urinary Tract Symptoms
Benign Prostatic Hyperplasia
Drug: tamsulosin hydrochloride/solifenacin succinate combination
Phase 3

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: An Open-label, Long Term, Multi-center Study to Assess the Safety and Efficacy of Fixed Dose Combinations of Solifenacin Succinate (6 gm and 9 mg) With Tamsulosin Hydrochloride OCAS 0.4 mg, in Male Subjects With Lower Urinary Tract Symptoms (LUTS) Associated With Benign Prostatic Hyperplasia (BPH) With a Substantial Storage Component

Resource links provided by NLM:

Further study details as provided by Astellas Pharma Inc:

Primary Outcome Measures:
  • Safety variables: Incidence, severity and relationship of AEs to the study drug, Vital signs, ECG parameters, Laboratory parameters, Physical examination, PVR volume, Qmax and Qmean [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Change from baseline to endpoint in data from micturition diary, I-PSS questionnaire [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]

Enrollment: 1067
Study Start Date: April 2010
Study Completion Date: December 2011
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1. tamsulosin/solifenacin combi, low dose Drug: tamsulosin hydrochloride/solifenacin succinate combination
Other Name: EC905
Experimental: 2. tamsulosin/solifenacin combi, high dose Drug: tamsulosin hydrochloride/solifenacin succinate combination
Other Name: EC905

Detailed Description:
This is an open-label extension study following the double blind 905-CL-055 study

Ages Eligible for Study:   45 Years and older
Genders Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Completion of 12 weeks double-blind treatment in Study 905-CL-055

Exclusion Criteria:

  • Any significant PVR volume (>150 mL)
  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT01021332

  Show 70 Study Locations
Sponsors and Collaborators
Astellas Pharma Inc
Study Chair: Use Central Contact Astellas Pharma Global Development
  More Information

Additional Information:
No publications provided

Responsible Party: Astellas Pharma Inc
ClinicalTrials.gov Identifier: NCT01021332     History of Changes
Other Study ID Numbers: 905-CL-057, 2008-001212-20
Study First Received: November 24, 2009
Last Updated: July 27, 2015
Health Authority: Austria: Federal Office for Safety in Health Care
Belarus: Ministry of Health
Belgium: Federal Agency for Medicinal Products and Health Products
Czech Republic: State Institute for Drug Control
France: Afssaps - Agence française de sécurité sanitaire des produits de santé (Saint-Denis)
Germany: Federal Institute for Drugs and Medical Devices
Hungary: National Institute of Pharmacy
Italy: Ethics Committee
Netherlands: The Central Committee on Research Involving Human Subjects (CCMO)
Poland: Office for Registration of Medicinal Products, Medical Devices and Biocidal Products
Russia: Ministry of Health of the Russian Federation
Slovakia: State Institute for Drug Control
United Kingdom: Medicines and Healthcare Products Regulatory Agency

Keywords provided by Astellas Pharma Inc:
Lower Urinary Tract Symptoms
Solifenacin succinate
Tamsulosin hydrochloride OCAS
Benign Prostatic Hyperplasia

Additional relevant MeSH terms:
Lower Urinary Tract Symptoms
Prostatic Hyperplasia
Genital Diseases, Male
Pathologic Processes
Prostatic Diseases
Signs and Symptoms
Urological Manifestations
Adrenergic Agents
Adrenergic Antagonists
Adrenergic alpha-1 Receptor Antagonists
Adrenergic alpha-Antagonists
Cholinergic Agents
Cholinergic Antagonists
Molecular Mechanisms of Pharmacological Action
Muscarinic Antagonists
Neurotransmitter Agents
Pharmacologic Actions
Physiological Effects of Drugs
Therapeutic Uses
Urological Agents

ClinicalTrials.gov processed this record on November 27, 2015