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Trial registered on ANZCTR
Registration number
ACTRN12617000433303
Ethics application status
Approved
Date submitted
9/02/2017
Date registered
24/03/2017
Date last updated
8/03/2018
Type of registration
Retrospectively registered
Titles & IDs
Public title
What are diagnosis of the urologists for the causes of erectile dysfunction in patients with nonalcoholic fatty liver disease? An observational study.
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Scientific title
What are the clinical causes of erectile dysfunction in patients with nonalcoholic fatty liver disease? A prospective observational study.
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Secondary ID [1]
291139
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Nil
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Universal Trial Number (UTN)
Nil
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Nonalcoholic fatty liver disease
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Erectile dysfunction
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Condition category
Condition code
Oral and Gastrointestinal
301625
301625
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Metabolic and Endocrine
301626
301626
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0
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Other metabolic disorders
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Renal and Urogenital
301744
301744
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0
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Other renal and urogenital disorders
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Intervention/exposure
Study type
Observational
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Patient registry
True
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Target follow-up duration
3
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Target follow-up type
Months
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Description of intervention(s) / exposure
Each patient with nonalcoholic fatty liver disease who is diagnosed erectile dysfunction (using the questionnaire IIEF-5 form) will be consultated to urology (andrology) department for further evaluation. The final opinion and diagnosis of the urology department will be collected for the primary outcome of this study. We plan to passively follow each patient for this purpose. and a maximum of 3 months of observation duration wiil be provided for each participant.
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Intervention code [1]
297118
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Not applicable
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Comparator / control treatment
No control group exists
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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To define the causes of erectile dysfunction among nonalcoholic fatty liver disease. The presence of erectile dysfunction will be diagnosed using a questinnaire called "IIEF-International Index of Erectile Function-5" which is validated in Turkish population.
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Assessment method [1]
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Timepoint [1]
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3 months following the andrology clinic consultation
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Secondary outcome [1]
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Relationship between smoking and diagnosed cause of erectile dysfunction. Smoking status will be determined by participant's self-report..de
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Assessment method [1]
331488
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Timepoint [1]
331488
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Baseline
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Secondary outcome [2]
331829
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Relationship between age and diagnosed cause of erectile dysfunction. Presence of any correlation between the increased age and the severity of erectile dysfunction scores using IIEF-5 questionnaire will be assessed with spearman's correlation test statistically.
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Assessment method [2]
331829
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Timepoint [2]
331829
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Baseline
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Secondary outcome [3]
331830
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Relationship between the components of metabolic syndrome (obesity, hypertension, insulin resistance dyslipidemia) and erectile dysfunction. Body mass index (using height and weight) and waist circumference, blood pressure will be measured by the physician in the baseline visit. Other lab investigations of insulin resistance and lipid profile will be reviewed from the hospital medical records obtained in the past 6 months of the baseline visit. The numeric relationship between the erectile dysfunction scores and the above parameters of metabolic syndrome will be assessed using the statistical test of spearman's correlation test.
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Assessment method [3]
331830
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Timepoint [3]
331830
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Baseline
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Eligibility
Key inclusion criteria
The male patients who received NASH diagnosis and who accepts to fill the IIEF questionnaire. The diagnosis may be an old diagnosis or a new diagnosis. Diagnosis may be made by histolgically with a liver biopsy or andominal ultrasonography.
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Minimum age
18
Years
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Maximum age
75
Years
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Sex
Males
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Can healthy volunteers participate?
No
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Key exclusion criteria
-Other causes of liver disease that are viral hepatitis, alcoholic liver disease, autoimmune hepatitis, toxic hepatitis, wilson's disease, hemachromatosis.
-Patiients who already have a diaognosis of infertility or erectileddysfunction or who are receiving therapy for it
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Study design
Purpose
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Duration
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Selection
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Timing
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
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Actual
15/02/2017
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Date of last participant enrolment
Anticipated
5/02/2019
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Actual
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Date of last data collection
Anticipated
5/08/2019
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Actual
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Sample size
Target
100
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Accrual to date
80
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Final
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Recruitment outside Australia
Country [1]
8647
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Turkey
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State/province [1]
8647
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Istanbul
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Funding & Sponsors
Funding source category [1]
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Self funded/Unfunded
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Name [1]
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Address [1]
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Country [1]
295576
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Primary sponsor type
Individual
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Name
Deniz DUMAN
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Address
Marmara University, School of Medicine, Subdivision of Gastroenterology,
Basibuyuk Mah, Maltepe Basibuyuk Yolu Sok. 9/1, 34854 Maltepe/Istanbul
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Country
Turkey
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Secondary sponsor category [1]
294510
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None
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Name [1]
294510
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Address [1]
294510
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Country [1]
294510
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
296898
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Marmara University School of Medicine, Clinical Trials Ethics Committee
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Ethics committee address [1]
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Basibuyuk Mah, Maltepe Basibuyuk Yolu Sok. 9/1, 34854 Maltepe/Istanbul
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Ethics committee country [1]
296898
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Turkey
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Date submitted for ethics approval [1]
296898
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17/10/2016
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Approval date [1]
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02/12/2016
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Ethics approval number [1]
296898
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09.2016.593
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Summary
Brief summary
We have shown that nonalcoholic fatty liver disease (NAFLD) has associated with erectile dysfunction (ED) in our previous study. The clinical causes of ED, however, are not known. We plan to recruite a new set of NAFLD patients with ED and will advice them to refer to andrology outpatient clinic. Our aim is to simply collect the outcomes of those patients from andrology clinic and investigate the correlation of those outcomes with clinical confounding variables such as age, cigarette smoking, history of hypertension, insulin resistance, dyslipidemia, obesity, drugs used.. Therefore the aim of this study is to identify the causes of ED among the patients with ED.
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Trial website
No website is available.
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Prof Deniz Duman
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Address
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Marmara University School of Medicine, Department of internal Medicine, Division of Gastroenterology, Basibuyuk Mah, Maltepe Basibuyuk Yolu Sok. 9/1, 34854 Maltepe/Istanbul/TURKEY
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Country
72362
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Turkey
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Phone
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+902166254684
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Fax
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Email
72362
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[email protected]
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Contact person for public queries
Name
72363
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Deniz Duman
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Address
72363
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Marmara University School of Medicine, Department of internal Medicine, Division of Gastroenterology, Basibuyuk Mah, Maltepe Basibuyuk Yolu Sok. 9/1, 34854 Maltepe/Istanbul/TURKEY
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Country
72363
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Turkey
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Phone
72363
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+902166254684
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Fax
72363
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Email
72363
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[email protected]
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Contact person for scientific queries
Name
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Deniz Duman
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Address
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Marmara University School of Medicine, Department of internal Medicine, Division of Gastroenterology, Basibuyuk Mah, Maltepe Basibuyuk Yolu Sok. 9/1, 34854 Maltepe/Istanbul/TURKEY
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Country
72364
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Turkey
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Phone
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+902166254684
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Fax
72364
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Email
72364
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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