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Status unknownNCT04707807Updated Jan 13, 2021

Effects of Nightshift Work and Sleep Disturbances on Erectile Function

An observational study in Erectile Dysfunction, Nocturia, Short Term Insomnia, Obstructive Sleep Apnea, sponsored by Istanbul Medipol University Hospital. Status unknown at 2 sites in Turkey. Open to male participants aged 25 Years to 60 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2021-01-13.

Sponsored by Istanbul Medipol University Hospital · Observational

The sponsor has not verified this record recently (last verified Jan 2021), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Case-control
Time perspective
Cross-sectional
Enrollment
300
Ages
25 Years to 60 Years
Sex
Male
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Study summary

We aim to observe the unwanted effects of nightshift work and short term insomnia on erectile function of men aged between 25 to 60 years. We will also compare the levels of serum testosterone in the target group and compare it with the ones who don't work in hightshifts.

02

Conditions studied

  • Erectile Dysfunction, Nocturia, Short Term Insomnia, Obstructive Sleep Apnea
03

In context

Sleep Apnea, Obstructive

2,198 studies on the registry are indexed under Sleep Apnea, Obstructive; 470 are open to participants now.

This study's planned enrollment of 300 is above the median of 104 across 648 observational studies indexed under Sleep Apnea, Obstructive.

Browse Sleep Apnea, Obstructive studies →

Lead sponsor

Istanbul Medipol University Hospital is the lead sponsor of 350 studies on the registry; 58 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
25 Years to 60 Years
Sexes eligible
Male
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

We aim to enroll mainly working class men in our study. So we are going to be able to compare the erectile function status daytime workers with nightshifters. Unemployed, retired and students will be excluded form the study.

Inclusion criteria

  • Suffering from erectile dysfunction
  • Mainly psychogenic ED
  • Employed

Exclusion criteria

Exclusion Criteria:

  • Patients with major organic causes erectile dysfunction (Radical pelvic surgery/radiation therapy, uncontrolled diabetis mellitus, uncontrolled hypertension, New York Heart Association Class 3-4 heart failure, acute coronary syndrome within 3 months, dyslipidemia)
  • NEET(Not in employment, education, training) patients
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Study design

Observational model
Case-control
Time perspective
Cross-sectional
Enrollment
300 participants (estimated)
Target follow-up
6 Months
Patient registry
Yes

Groups and cohorts

  • Nightshift workers

    Diagnostic Test: IIEF-5

  • Non-nightshift workers

    Diagnostic Test: IIEF-5

Interventions

  • Diagnostic testIIEF-5

    IIEF-15 form will be filled out by all participants

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What researchers measure

Primary outcomes

  1. Erectile dysfunction

    Decreased scores of IIEF-5

    Time frame: 3-6 months

07

Study locations

2 of 2 sites recruiting
  • Istanbul Medipol University Hospital
    Bağcılar, İstanbul, Turkey
    • Gokhan Calik, Asst.Prof. · Contact · gcalik@medipol.edu.tr · 5362666604
    • Gokhan Calik, Asst.Prof. · Principal investigator
    • Vahit Guzelburc, Asst.Prof. · Principal investigator
    Recruiting
  • Cemil Tascioglu Cith Hospital
    Istanbul, Sisli, Turkey
    Recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 13, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04707807
Lead sponsor
Istanbul Medipol University Hospital
Collaborators
Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization
Responsible party
gokhan calik (Assistant professor, Istanbul Medipol University Hospital) — Principal investigator
First posted
Jan 13, 2021
Start date
Nov 20, 2020
Primary completion
May 20, 2021 (estimated)
Completion
Nov 20, 2021 (estimated)
Last update
Jan 13, 2021

Study contacts

Gokhan Calik, Asst.Prof.
Contact
gcalik@medipol.edu.tr
+905362666604
Vahit Guzelburc, Asst.Prof.
Contact
vguzelburc@medipol.edu.tr
+905322856674

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Jan 2021. You cannot join it, but the record below documents what was studied.

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