SLEEP AND OSA ON REPRODUCTIVE FUNCTION IN MEN (PSAR01)

February 2, 2016 updated by: Monica Levy Andersen, Federal University of São Paulo

EFFECTS OF SLEEP LOSS AND OBSTRUCTIVE SLEEP APNEA SYNDROME ON REPRODUCTIVE FUNCTION IN MEN

In view of the hormonal changes induced by both sleep deprivation and obstructive sleep apnea syndrome (OSA), and the importance of maintaining these hormones in reproductive processes. The present study aims to evaluate the effects of the OSA or sleep deprivation (total or selective REM sleep for 48h) on reproductive function in adult men with normal body mass index.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

In this study will be recruited volunteers 25-50 years of age with a body mass index (BMI) 20-25 kg/m2 (normal) that after performing polysomnography, will be distributed in the following groups: healthy or diagnosed with obstructive sleep apnea syndrome (OSA). Volunteers without OSA will be submitted to total sleep deprivation (SD) or selective REM sleep deprivation for 48 hours. After SD, these volunteers will be allowed to sleep for 48 hours (period rebound). Blood samples will be taken for hormonal analysis (testosterone, luteinizing hormone, follicle-stimulating hormone, progesterone and cortisol)and gene expression. The semen collection for evaluation of sperm count (concentration, viability and sperm morphology) in three different periods, baseline collection, after SD protocols and the end of rebound period. Individuals diagnosed with OSA also have three collections of blood and semen samples for analyzes.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
60

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Brazil
      • Sao Paulo, Brazil, 04024002
        • Universidade Federal de Sao Paulo

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

25 years to 50 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Sampling Method

Non-Probability Sample

Study Population

Inclusion Criteria:

  • men
  • There is no discrimination of economic class
  • Age between 25 and 50
  • BMI 30 kg/m2
  • No prior neurological, psychiatric or use of psychotropic medication
  • OSA (moderate and severe apnea hypopnea index > 15)

Exclusion Criteria:

  • smokers
  • addiction
  • Individuals with another sleep disorder

Description

Inclusion Criteria:

  • men
  • There is no discrimination of economic class
  • Age between 25 and 50
  • BMI 30 kg/m2
  • No prior neurological, psychiatric or use of psychotropic medication
  • OSA (moderate and severe apnea hypopnea index > 15)

Exclusion Criteria:

  • smokers
  • addiction
  • Individuals with another sleep disorder
  • Severe uncontrolled organic disease that might interfere with the conduct of the study, such as cancer, heart disease, digestive disorders, diabetes mellitus, male reproductive system
  • Presence of moderate or severe depression and psychiatric disorders
  • Volunteers with previous treatment for OSA

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Total sleep deprivation
Healthy volunteers will be submitted to total sleep deprivation (TSD) for 48 hours.
Behavioral: Sleep deprivation
Volunteers will be submitted to total sleep deprivation (SD) or selective REM sleep deprivation for 48 hours. After SD, these volunteers will be allowed to sleep for 48 hours (period rebound).
Other Names:
  • Total sleep deprivation
  • REM sleep deprivation
moderate to severe OSA
Patients diagnosed with moderate to severe obstructive sleep apnea syndrome (OSA) with normal or overweight body mass index (BMI), will be recruited.
REM sleep deprivation
Healthy volunteers will be submitted to selective REM sleep deprivation (REMSD) for 48 hours.
Behavioral: Sleep deprivation
Volunteers will be submitted to total sleep deprivation (SD) or selective REM sleep deprivation for 48 hours. After SD, these volunteers will be allowed to sleep for 48 hours (period rebound).
Other Names:
  • Total sleep deprivation
  • REM sleep deprivation
Control
The control group will be subjects with an apnea hypopnea index <5/h.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Change in sperm analysis
Time Frame: change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days
- Semen collection (concentration, viability and sperm morphology)
change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
change hormonal evaluation
Time Frame: change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days
- Hormonal analysis (testosterone, luteinizing hormone, follicle-stimulating hormone, progesterone and cortisol)
change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Sleep patterns of the study population
Time Frame: Change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days
- Polysomnography
Change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days
Change gene expression
Time Frame: Change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days
Blood will be collected in specific tubes (PaxGene)for RNA extraction and gene expression determination.
Change from baseline, sleep deprivations and rebound period. Participants will be followed for the duration of laboratory stay, an expected average of 7 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Federal University of São Paulo

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Tathiana A Alvarenga, PhD, Federal University of São Paulo
  • Study Director: Monica L Andersen, Prof, Federal University of São Paulo

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
June 1, 2013

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 1, 2013

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
September 1, 2014

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 18, 2013

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 20, 2013

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 24, 2013

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
February 3, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 2, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • PSAR01

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