Obstructive Sleep ApneaNCT07889154
Physical Activity, Sleep Quality, and Respiratory Function in Obstructive Sleep Apnea
A study testing Physical Activity Education in people with Obstructive Sleep Apnea and Sleep Quality, run by Medipol University at 1 site in Turkey (Türkiye).
Trial summary
Although exercise and physical activity have shown beneficial effects in individuals with obstructive sleep apnea (OSA), evidence regarding the effects of daily physical activity habits on sleep quality and respiratory parameters remains limited. Read more about this study
- Who is it for?
- Ages 18 to 65 yearsHealthy volunteers can take part
- Conditions the study is for
- Obstructive Sleep Apnea, Sleep Quality, Respiratory Function
- What is being tested?
- Physical Activity Education
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 48 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 23 Oct 2026to 1 Nov 2027
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 65 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Individuals diagnosed with mild to severe obstructive sleep apnea (OSA) based on laboratory polysomnography (AHI: 5-30 events/hour).
- Individuals diagnosed by a pulmonologist within the past year who initiated CPAP therapy no more than 12 months ago and demonstrate regular use.
- Individuals with habitual snoring.
- Individuals who have not participated in OSA-focused physiotherapy interventions within the past 3 months.
Who cannot join
- Body mass index (BMI) >40 kg/m².
- Severe substance or alcohol dependence.
- Regular use of sedatives, muscle relaxants, or opioids that may affect sleep patterns.
- Pregnancy or postpartum period (<6 months).
- Medical contraindications to physical activity according to American College of Sports Medicine (ACSM) guidelines, such as unstable coronary artery disease or decompensated heart failure.
- History of stroke or significant respiratory, neuromuscular, inflammatory, or other disorders causing hypercapnia.
- Craniofacial abnormalities, severe upper airway obstruction, or secondary respiratory diseases such as chronic obstructive pulmonary disease (COPD).
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Turkey (Türkiye)1 site, 1 recruiting
- Recruiting
Istanbul Medipol Universty
Istanbul, Göztepe
Gülay Aras Bayram, +905054966284, garas@medipol.edu.tr
About this study
Official title: The Effects of Physical Activity Habits on Sleep Quality and Respiratory Parameters in Individuals With Obstructive Sleep Apnea
Although exercise and physical activity have shown beneficial effects in individuals with obstructive sleep apnea (OSA), evidence regarding the effects of daily physical activity habits on sleep quality and respiratory parameters remains limited. This study aims to investigate these associations in individuals with OSA.
Read the detailed description
Obstructive sleep apnea (OSA) is a common sleep disorder characterized by recurrent upper airway collapse during sleep, leading to apneas and hypopneas. OSA negatively affects sleep quality, daytime functioning, and overall health and is associated with cardiovascular and metabolic disorders. Although continuous positive airway pressure (CPAP) is the primary treatment, adherence may be challenging. Physical activity and exercise have shown beneficial effects on OSA symptoms, sleep quality, and respiratory function. However, evidence regarding the relationship between habitual daily physical activity and these outcomes remains limited. Therefore, this study aims to investigate the effects of physical activity habits on sleep quality and respiratory parameters in individuals with OSA.
- Conditions
- Obstructive Sleep Apnea, Sleep Quality, Respiratory Function
- Being tested
- Physical Activity Education
- Keywords
- Obstructive Sleep Apnea, Physical Activity Habits, Sleep Health
- Medical subject headings
- Sleep Apnea, Obstructive, Sleep Initiation and Maintenance Disorders, Respiratory Aspiration
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Physical Activity EducationBehavioural
Participants will receive physical activity education supported by illustrated materials and brochures. Recommendations will include: (1) aerobic exercise, with at least 150 minutes of moderate-intensity activity weekly (e.g., walking or cycling) over at least 3 days; (2) muscle-strengthening exercises targeting major muscle groups 2-3 days per week, with 3 sets of 8-15 repetitions; (3) balance and flexibility exercises 3 days per week; and (4) diaphragmatic breathing exercises for 15-30 minutes per session, 3 days per week. Exercise sessions will include 5-10 minutes of warm-up and cool-down. Periodic follow-up contacts will encourage adherence throughout the 24-week intervention. All participants will continue prescribed CPAP therapy.
| Study group | Role | What they receive |
|---|---|---|
| Control Group (CG) | No intervention | Participants will continue using physician-prescribed continuous positive airway pressure (CPAP) therapy and will be instructed to use CPAP every night for 24 weeks. No additional physical activity education will be provided as part of the study intervention. |
| Physical Activity Education Group (PAEG) | Experimental | Participants will receive physical activity education at baseline, supported by visual materials and brochures. The education will include moderate-intensity aerobic and muscle-strengthening activities in accordance with established physical activity guidelines. Participants will be contacted periodically to assess adherence to physical activity recommendations. Participants will continue their prescribed CPAP therapy throughout the 24-week study period. Receives: Behavioral: Physical Activity Education |
What is being measured
The primary outcome is the main question the study is designed to answer.
Pittsburgh Sleep Quality Index (PSQI)
A 19-item self-report questionnaire assessing sleep quality and disturbances over the previous month, including sleep duration, latency, efficiency, and daytime dysfunction. Total scores range from 0 to 21, with higher scores indicating poorer sleep quality. Scores above 5 indicate poor sleep quality.
Measured: 0.,12., and 24. weeks
Average Nightly CPAP Usage
Average duration of continuous positive airway pressure (CPAP) use per night, measured in hours per night using data downloaded from the CPAP device. The average nightly usage will be calculated over the device-data assessment period. Good adherence will be defined as CPAP use for at least 4 hours per night on at least 5 nights per week.
Measured: 0., and 24. weeks
Average CPAP Mask Leak
Average mask leak during CPAP use, assessed using data downloaded from the CPAP device over the device-data assessment period. Mask leak will be reported using the unit provided by the device (L/min). Good adherence will be defined as CPAP use for at least 4 hours per night on at least 5 nights per week.
Measured: 0., and 24. weeks
Average CPAP Treatment Pressure
Average treatment pressure during CPAP use, assessed using data downloaded from the CPAP device over the device-data assessment period. Treatment pressure will be reported using the unit provided by the device (cm H2O). Good adherence will be defined as CPAP use for at least 4 hours per night on at least 5 nights per week.
Measured: 0., and 24. weeks
MIP-MEP measurement
In centimeters of water (cmH2O), it will be obtained using a Respiratory Muscle Strength Measurement Device-MIP-MEP (MD Diagnostics Ltd., RP Check, United Kingdom) in accordance with the recommendations of the American Thoracic Society.
Measured: 0.,12., and 24. weeks
Forced Vital Capacity (FVC) measurement
It is the amount of air expelled after maximum inspiration following a normal breath, expressed in liters. While healthy individuals can forcefully exhale air for 2-3 seconds, this time can be as short as 10-15 seconds for individuals with airway problems. At the end of the test, the expected reference value should be between 80-120%.
This will be performed using a spirometer (Cosmed, Pony FX, Italy). The best forced vital capacity (FVC) maneuver from at least 3 attempts will be selected according to the criteria of the American Thoracic Society. To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
Measured: 0.,12., and 24. weeks
FEV₁ (Forced Expiratory Volume in 1 Second)
It is the volume of air exhaled in the first second after forced expiration. Although measured in liters, it actually indicates the airflow rate. In healthy individuals, at least 72% of the air should be exhaled, reflecting the function of the large airways.
This will be performed using a spirometer (Cosmed, Pony FX, Italy). To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
Measured: 0.,12., and 24. weeks
FEV1/FVC ratio
This ratio is obtained by dividing FEV1 by FVC and evaluates airway patency and lung function. In a normal individual, this ratio is around 70-80%.
This will be performed using a spirometer (Cosmed, Pony FX, Italy). To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
Measured: 0.,12., and 24. weeks
FEF 25%-75% (Maximal Mid-Expiratory Flow Rate
It refers to the average airflow rate during forced expiration, when 25% to 75% of the volume is expelled. It is measured in liters per second. It reflects the function of the medium and small airways. A value above 80% of the reference value is normal.
This will be performed using a spirometer (Cosmed, Pony FX, Italy). To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
Measured: 0.,12., and 24. weeks
Baecke Habitual Physical Activity Questionnaire (BHPAQ)
The Baecke Habitual Physical Activity Questionnaire (BHPAQ) is a 16-item self-report questionnaire assessing habitual physical activity over the previous 12 months across three domains: occupational physical activity (8 items), sports physical activity (4 items), and leisure-time physical activity (4 items). The total score is calculated by summing the scores of the three domains. The total score ranges from 3 to 15, with higher scores indicating higher levels of habitual physical activity and a better outcome.
Measured: 0.,12., and 24. weeks
Secondary outcomes (11)
International Physical Activity Questionnaire-Short Form (IPAQ-SF)
The IPAQ-SF is a self-report questionnaire that assesses vigorous-intensity physical activity, moderate-intensity physical activity, walking, and sitting time during the previous 7 days. Total physical activity is calculated as metabolic equivalent of task minutes per week (MET-minutes/week) by summing the MET-minutes/week derived from walking, moderate-intensity, and vigorous-intensity physical activity. The total physical activity score has no fixed upper limit. Higher scores indicate higher levels of physical activity and a better outcome. Participants may also be classified into low, moderate, or high physical activity categories according to the IPAQ scoring protocol.
Measured: 0. week
Insomnia Severity Index (ISI)
7-item self-report questionnaire assessing insomnia severity and its impact on daily functioning. Total scores range from 0 to 28, with higher scores indicating more severe insomnia symptoms.
Measured: 0.,12., and 24. weeks
Epworth Sleepiness Scale (ESS)
An 8-item self-report questionnaire assessing the likelihood of dozing during daily activities. Total scores range from 0 to 24, with higher scores indicating greater daytime sleepiness. Scores above 10 suggest excessive daytime sleepiness.
Measured: 0.,12., and 24. weeks
Functional Outcomes of Sleep Questionnaire-Short Form (FOSQ-10)
A 10-item self-report questionnaire assessing the impact of sleepiness on daily activities, productivity, activity level, social functioning, and intimate relationships. Total scores range from 5 to 20, with higher scores indicating better functional status.
Measured: 0.,12., and 24. weeks
Subjective Sleepiness and Sleep Quality
Subjective sleepiness will be assessed three times daily (09:00, 12:00, and 20:00) using a 0-10 visual analogue scale (VAS), with higher scores indicating greater sleepiness. Subjective sleep quality will be assessed daily upon awakening using a 0-10 VAS, with higher scores indicating better sleep quality.
Measured: 0.,12., and 24. weeks
Chalder Fatigue Scale (CFS)
The Chalder Fatigue Scale (CFS) is an 11-item scale developed to assess the severity of fatigue in adults in clinical and research settings. Each item is rated on a 4-point Likert scale, with responses ranging from "better than usual" to "much worse than usual." The total score is calculated using the bimodal scoring method (0-0-1-1), yielding a total score ranging from 0 to 11. Higher scores indicate greater fatigue severity and a worse outcome.
Measured: 0.,12., and 24. weeks
Hospital Anxiety and Depression Scale (HADS)
A 14-item self-report questionnaire assessing anxiety and depression symptoms, with separate 7-item subscales. Each subscale is scored from 0 to 21, with higher scores indicating greater symptom severity. Turkish cut-off scores are 10 for anxiety and 7 for depression.
Measured: 0.,12., and 24. weeks
Short Form Health Survey (SF-12)
A 12-item questionnaire assessing health-related quality of life across physical and mental health domains. Physical Component Summary (PCS-12) and Mental Component Summary (MCS-12) scores range from 0 to 100, with higher scores indicating better health status.
Measured: 0.,12., and 24. weeks
Quadriceps Isometric Muscle Strength
Unilateral isometric knee extension strength will be measured using a handheld dynamometer. Participants will sit with their hips and knees flexed at 90°. Three trials will be performed on each side, and the highest value will be recorded in kilogram-force (kgf).
Measured: 0.,12., and 24. weeks
Handgrip Strength
Dominant handgrip strength will be measured using a Jamar hydraulic hand dynamometer. Participants will sit upright with the elbow flexed at 90° and the forearm in a neutral position. Three trials will be performed with 2-minute rest intervals, and the highest value will be recorded.
Measured: 0.,12., and 24. weeks
Physical Activity Diary
Participants will record their daily physical activities, including activity type, duration, and perceived exertion, to monitor adherence to physical activity recommendations throughout the study.
Measured: 0.,12., and 24. weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted22 Oct 2026
- Study start23 Oct 2026
- Primary completion15 Jun 2027 (estimated)
- Study completion1 Nov 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Obstructive Sleep ApneaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 48 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Medipol University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Gülay Aras Bayram, Medipol University
- Investigators
- Gülay Aras Bayram, PhD, Principal investigator, Istanbul Medipol Universty
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07889154
- Sponsor's protocol ID
- E-10840098-202.3.02-7574
- Status last verified
- Oct 2026
- First submitted
- 15 Oct 2026
- Last updated
- 27 Oct 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 27 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Effects of Physical Activity Habits on Sleep Quality and Respiratory Parameters in Individuals With Obstructive Sleep Apnea
- ClinicalTrials.gov ID
- NCT07889154
- Acronym / sponsor ID
- E-10840098-202.3.02-7574
- Conditions
- Obstructive Sleep Apnea, Sleep Quality, Respiratory Function
- Keywords
- Obstructive Sleep Apnea, Physical Activity Habits, Sleep Health
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 48 participants (estimated)
- Lead sponsor
- Medipol UniversityUniversity, hospital or other
- Study start
- 23 Oct 2026 (actual)
- Primary completion
- 15 Jun 2027 (estimated)
- Study completion
- 1 Nov 2027 (estimated)
- First posted
- 22 Oct 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Although exercise and physical activity have shown beneficial effects in individuals with obstructive sleep apnea (OSA), evidence regarding the effects of daily physical activity habits on sleep quality and respiratory parameters remains limited. This study aims to investigate these associations in individuals with OSA.
Detailed description
Obstructive sleep apnea (OSA) is a common sleep disorder characterized by recurrent upper airway collapse during sleep, leading to apneas and hypopneas. OSA negatively affects sleep quality, daytime functioning, and overall health and is associated with cardiovascular and metabolic disorders. Although continuous positive airway pressure (CPAP) is the primary treatment, adherence may be challenging. Physical activity and exercise have shown beneficial effects on OSA symptoms, sleep quality, and respiratory function. However, evidence regarding the relationship between habitual daily physical activity and these outcomes remains limited. Therefore, this study aims to investigate the effects of physical activity habits on sleep quality and respiratory parameters in individuals with OSA.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Control Group (CG) | No intervention | –Participants will continue using physician-prescribed continuous positive airway pressure (CPAP) therapy and will be instructed to use CPAP every night for 24 weeks. No additional physical activity education will be provided as part of the study intervention. |
| Physical Activity Education Group (PAEG) | Experimental | Behavioral: Physical Activity EducationParticipants will receive physical activity education at baseline, supported by visual materials and brochures. The education will include moderate-intensity aerobic and muscle-strengthening activities in accordance with established physical activity guidelines. Participants will be contacted periodically to assess adherence to physical activity recommendations. Participants will continue their prescribed CPAP therapy throughout the 24-week study period. |
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- Individuals diagnosed with mild to severe obstructive sleep apnea (OSA) based on laboratory polysomnography (AHI: 5-30 events/hour).
- Individuals diagnosed by a pulmonologist within the past year who initiated CPAP therapy no more than 12 months ago and demonstrate regular use.
- Individuals with habitual snoring.
- Individuals who have not participated in OSA-focused physiotherapy interventions within the past 3 months.
Key exclusion criteria (7 listed)
- Body mass index (BMI) >40 kg/m².
- Severe substance or alcohol dependence.
- Regular use of sedatives, muscle relaxants, or opioids that may affect sleep patterns.
- Pregnancy or postpartum period (<6 months).
- Medical contraindications to physical activity according to American College of Sports Medicine (ACSM) guidelines, such as unstable coronary artery disease or decompensated heart failure.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Physical Activity EducationParticipants will receive physical activity education supported by illustrated materials and brochures. Recommendations will include: (1) aerobic exercise, with at least 150 minutes of moderate-intensity activity weekly (e.g., walking or cycling) over at least 3 days; (2) muscle-strengthening exercises targeting major muscle groups 2-3 days per week, with 3 sets of 8-15 repetitions; (3) balance and flexibility exercises 3 days per week; and (4) diaphragmatic breathing exercises for 15-30 minutes per session, 3 days per week. Exercise sessions will include 5-10 minutes of warm-up and cool-down. Periodic follow-up contacts will encourage adherence throughout the 24-week intervention. All participants will continue prescribed CPAP therapy. | Behavioural | Physical Activity Education Group (PAEG) |
Primary outcome
Pittsburgh Sleep Quality Index (PSQI)
Time frame: 0.,12., and 24. weeks
A 19-item self-report questionnaire assessing sleep quality and disturbances over the previous month, including sleep duration, latency, efficiency, and daytime dysfunction. Total scores range from 0 to 21, with higher scores indicating poorer sleep quality. Scores above 5 indicate poor sleep quality.
Average Nightly CPAP Usage
Time frame: 0., and 24. weeks
Average duration of continuous positive airway pressure (CPAP) use per night, measured in hours per night using data downloaded from the CPAP device. The average nightly usage will be calculated over the device-data assessment period. Good adherence will be defined as CPAP use for at least 4 hours per night on at least 5 nights per week.
Average CPAP Mask Leak
Time frame: 0., and 24. weeks
Average mask leak during CPAP use, assessed using data downloaded from the CPAP device over the device-data assessment period. Mask leak will be reported using the unit provided by the device (L/min). Good adherence will be defined as CPAP use for at least 4 hours per night on at least 5 nights per week.
Average CPAP Treatment Pressure
Time frame: 0., and 24. weeks
Average treatment pressure during CPAP use, assessed using data downloaded from the CPAP device over the device-data assessment period. Treatment pressure will be reported using the unit provided by the device (cm H2O). Good adherence will be defined as CPAP use for at least 4 hours per night on at least 5 nights per week.
MIP-MEP measurement
Time frame: 0.,12., and 24. weeks
In centimeters of water (cmH2O), it will be obtained using a Respiratory Muscle Strength Measurement Device-MIP-MEP (MD Diagnostics Ltd., RP Check, United Kingdom) in accordance with the recommendations of the American Thoracic Society.
Forced Vital Capacity (FVC) measurement
Time frame: 0.,12., and 24. weeks
It is the amount of air expelled after maximum inspiration following a normal breath, expressed in liters. While healthy individuals can forcefully exhale air for 2-3 seconds, this time can be as short as 10-15 seconds for individuals with airway problems. At the end of the test, the expected reference value should be between 80-120%. This will be performed using a spirometer (Cosmed, Pony FX, Italy). The best forced vital capacity (FVC) maneuver from at least 3 attempts will be selected according to the criteria of the American Thoracic Society. To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
FEV₁ (Forced Expiratory Volume in 1 Second)
Time frame: 0.,12., and 24. weeks
It is the volume of air exhaled in the first second after forced expiration. Although measured in liters, it actually indicates the airflow rate. In healthy individuals, at least 72% of the air should be exhaled, reflecting the function of the large airways. This will be performed using a spirometer (Cosmed, Pony FX, Italy). To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
FEV1/FVC ratio
Time frame: 0.,12., and 24. weeks
This ratio is obtained by dividing FEV1 by FVC and evaluates airway patency and lung function. In a normal individual, this ratio is around 70-80%. This will be performed using a spirometer (Cosmed, Pony FX, Italy). To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
FEF 25%-75% (Maximal Mid-Expiratory Flow Rate
Time frame: 0.,12., and 24. weeks
It refers to the average airflow rate during forced expiration, when 25% to 75% of the volume is expelled. It is measured in liters per second. It reflects the function of the medium and small airways. A value above 80% of the reference value is normal. This will be performed using a spirometer (Cosmed, Pony FX, Italy). To perform the spirometric maneuvers, participants will sit upright with their feet on the floor and the nose clip correctly positioned.
Baecke Habitual Physical Activity Questionnaire (BHPAQ)
Time frame: 0.,12., and 24. weeks
The Baecke Habitual Physical Activity Questionnaire (BHPAQ) is a 16-item self-report questionnaire assessing habitual physical activity over the previous 12 months across three domains: occupational physical activity (8 items), sports physical activity (4 items), and leisure-time physical activity (4 items). The total score is calculated by summing the scores of the three domains. The total score ranges from 3 to 15, with higher scores indicating higher levels of habitual physical activity and a better outcome.
11 secondary outcomes
International Physical Activity Questionnaire-Short Form (IPAQ-SF)
Time frame: 0. week
Insomnia Severity Index (ISI)
Time frame: 0.,12., and 24. weeks
Epworth Sleepiness Scale (ESS)
Time frame: 0.,12., and 24. weeks
Functional Outcomes of Sleep Questionnaire-Short Form (FOSQ-10)
Time frame: 0.,12., and 24. weeks
Subjective Sleepiness and Sleep Quality
Time frame: 0.,12., and 24. weeks
Chalder Fatigue Scale (CFS)
Time frame: 0.,12., and 24. weeks
Hospital Anxiety and Depression Scale (HADS)
Time frame: 0.,12., and 24. weeks
Short Form Health Survey (SF-12)
Time frame: 0.,12., and 24. weeks
Quadriceps Isometric Muscle Strength
Time frame: 0.,12., and 24. weeks
Handgrip Strength
Time frame: 0.,12., and 24. weeks
Physical Activity Diary
Time frame: 0.,12., and 24. weeks
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 Oct 2026.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Gülay Aras Bayram, PhD principal investigator
Istanbul Medipol Universty
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Physical Activity Education in people with Obstructive Sleep Apnea and Sleep Quality, run by Medipol University at 1 site in Turkey (Türkiye).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 27 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Gülay Aras Bayram, PhD (+905054966284, garas@medipol.edu.tr), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Pittsburgh Sleep Quality Index (PSQI) (time frame: 0.,12., and 24. weeks). The study lists 10 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Oct 2026.