UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000008331
Receipt number R000009804
Scientific Title A COMPARATIVE STUDY ON THE CLINICAL EFFECTS OF SILODOSIN AND NAFTOPIDIL IN JAPANESE PATIENTS WITH LOWER URINARY TRACT SYMPTOMS ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA
Date of disclosure of the study information 2012/07/03
Last modified on 2012/07/03 17:30:09

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Basic information

Public title

A COMPARATIVE STUDY ON THE CLINICAL EFFECTS OF SILODOSIN AND NAFTOPIDIL IN JAPANESE PATIENTS WITH LOWER URINARY TRACT SYMPTOMS ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA

Acronym

A COMPARATIVE STUDY ON THE CLINICAL EFFECTS OF SILODOSIN AND NAFTOPIDIL IN JAPANESE PATIENTS WITH LOWER URINARY TRACT SYMPTOMS ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA

Scientific Title

A COMPARATIVE STUDY ON THE CLINICAL EFFECTS OF SILODOSIN AND NAFTOPIDIL IN JAPANESE PATIENTS WITH LOWER URINARY TRACT SYMPTOMS ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA

Scientific Title:Acronym

A COMPARATIVE STUDY ON THE CLINICAL EFFECTS OF SILODOSIN AND NAFTOPIDIL IN JAPANESE PATIENTS WITH LOWER URINARY TRACT SYMPTOMS ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA

Region

Japan


Condition

Condition

Benign Prostatic Hyperplasia

Classification by specialty

Urology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

A COMPARATIVE STUDY ON THE CLINICAL EFFECTS OF SILODOSIN AND NAFTOPIDIL IN JAPANESE PATIENTS WITH LOWER URINARY TRACT SYMPTOMS ASSOCIATED WITH BENIGN PROSTATIC HYPERPLASIA

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

IPSS Score, QOL Score, Blood pressure

Key secondary outcomes

maximum urinary flow rate (Qmax), residual urine volume


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

The patients have never received alpha-blocker before the enrollment. After the enrollment, patients were randomized to receive silodosin 4mg twice daily or naftopidil 50mg once daily for 8weeks.

Interventions/Control_2

The patients are receiving tamuslosin 0.2mg once daily at the enrollment. After the enrollment, patients were randomized to receive silodosin 4mg twice daily or naftopidil 50mg once daily for 8weeks.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

50 years-old <=

Age-upper limit

80 years-old >

Gender

Male

Key inclusion criteria

1) Men aged over 50 and under 80 years old
2) International Prostate Symptom Score (IPSS) of>7
3) a prostate volume of >20ml
4) a maximum urinary flow rate (Qmax) of <15ml/s

Key exclusion criteria

1) Patients are having the disease other than a benign prostatic hyperplasia (prostate cancer, bladder tumors, bladder stones, prostatitis, bladder neck sclerosis, patients, etc.)
2) Patients have received TUR-P, balloon dilation, urethral stent, hyperthermia, or radiation therapy to the pelvis, within 6 months of the start of the study
3) Self-catheterization
4)Patients with urinary tract infection
5) Patients with concomitant disease and other nervous system diseases, and it suspected to be neurogenic bladder
6) Patients with concomitant severe ischemic heart disease, cerebrovascular disease, liver dysfunction, renal dysfunction.
7) Patients with hypotension
8) Patients are having hypersensitivity to silodosin, naftopidil or taking vardenafil hydrochloride
9) Patients have treated with hormonal drug within 6 months
10) Patients treated with drugs other than tamsulosin is considered effective on urinary symptoms within a week
11) Patients was deemed by the physician as inappropriate to attend

Target sample size

200


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Masato Fujisawa

Organization

Kobe University Graduate School of Medicine

Division name

Division of Urology

Zip code


Address

7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Japan

TEL


Email



Public contact

Name of contact person

1st name
Middle name
Last name Toshiro Shirakawa

Organization

Kobe University Graduate School of Medicine

Division name

Division of Urology

Zip code


Address


TEL

078-382-6155

Homepage URL


Email



Sponsor or person

Institute

Kobe University Graduate School of Medicine, Division of Urology

Institute

Department

Personal name



Funding Source

Organization

none

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor

Kobe Century Memorial Hospital,
Shakaihoken Kobe Central Hospital,
Kobe Ekisaikai Hospital,
Hyogo Prefectural Amagasaki Hospital

Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2012 Year 07 Month 03 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2007 Year 01 Month 15 Day

Date of IRB


Anticipated trial start date

2007 Year 02 Month 01 Day

Last follow-up date

2011 Year 03 Month 01 Day

Date of closure to data entry

2011 Year 03 Month 01 Day

Date trial data considered complete

2011 Year 03 Month 01 Day

Date analysis concluded

2012 Year 06 Month 01 Day


Other

Other related information



Management information

Registered date

2012 Year 07 Month 03 Day

Last modified on

2012 Year 07 Month 03 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000009804


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name