UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000000900
Receipt number R000001082
Scientific Title The effects of sildenafil on the oxidative stress and testosterone level in patients with erectile dysfunction
Date of disclosure of the study information 2007/11/19
Last modified on 2007/11/19 17:07:44

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Basic information

Public title

The effects of sildenafil on the oxidative stress and testosterone level in patients with erectile dysfunction

Acronym

Sildenafil on oxidative stress markers and testosterone

Scientific Title

The effects of sildenafil on the oxidative stress and testosterone level in patients with erectile dysfunction

Scientific Title:Acronym

Sildenafil on oxidative stress markers and testosterone

Region

Japan


Condition

Condition

Patients with erectile dysfunction

Classification by specialty

Urology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Chronic treatment of sildenafil can reduce oxidative stress and increase testosterone availability

Basic objectives2

Bio-availability

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Phase I


Assessment

Primary outcomes

salivary 8-OHdG, salivary and serum testosterone,IIEF-EF score.

Key secondary outcomes

LH, FEH, SF-36 score


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

sildenafil

Interventions/Control_2


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

42 years-old <=

Age-upper limit

74 years-old >

Gender

Male

Key inclusion criteria

Inclusion criteria included married with stable sexual relations with a female partner for at least 6 months before the study, as well as no previous treatment for ED.

Key exclusion criteria

Subjects with kidney disease, liver failure, coronary heart disease, peripheral or cerebrovascular disease, endocrine diseases, prostatic disease, and major psychiatric disorders, except depression, were excluded. Patients concomitantly treated with nitrates or with congestive heart failure or those who were prescribed medicines that might modulate androgen metabolism were also excluded.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Shigeo Horie

Organization

Teikyo University, Shcool of Medicine

Division name

Department of Urology

Zip code


Address

2-11-1,kaga,Itabashi-ku, Tokyo, Japan

TEL

03-3964-2497

Email



Public contact

Name of contact person

1st name
Middle name
Last name Shigeo Horie

Organization

Teikyo University, School of Medicine

Division name

Department of Urology

Zip code


Address

2-11-1, kaga, Itabashi-ku, Tokyo, Japan

TEL

03-3964-2497

Homepage URL


Email

shorie@med.teikyo-u.ac.jp


Sponsor or person

Institute

Teikyo Univeristy Hospital

Institute

Department

Personal name



Funding Source

Organization

Ministry of Health, Labour & Welfare

Organization

Division

Category of Funding Organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


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

2007 Year 11 Month 19 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

Salivary 8-OHdG is a useful biomarker for predicting severe ED and hypogonadism in middle-aged men. Once-a week treatment with sildenafil can have beneficial effects on men's health by decreasing oxidative stress and increasing androgen levels.

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 03 Month 01 Day

Date of IRB


Anticipated trial start date

2007 Year 03 Month 01 Day

Last follow-up date

2007 Year 10 Month 01 Day

Date of closure to data entry

2007 Year 10 Month 01 Day

Date trial data considered complete

2007 Year 10 Month 01 Day

Date analysis concluded

2007 Year 10 Month 01 Day


Other

Other related information



Management information

Registered date

2007 Year 11 Month 19 Day

Last modified on

2007 Year 11 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000001082


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name