Unveiling the Neural Mechanisms of 5-HT7 in Sleep Apnea Induced by Arousal Dysregulation
Recruiting
Observational Study
Obstructive Sleep Apnea
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
20 – 60
Sex
Any
Study type
Observational
Participants needed
140 (estimated)
Sponsor
Beijing Tsinghua Chang Gung Hospital · Other
Who this trial is looking for
This trial is looking for adults with obstructive sleep apnea, simple snorers, and healthy individuals. Participants will help researchers study how certain brain pathways affect sleep breathing and arousal during sleep.
Are You a Good Fit for This Trial?
Rules you outSevere mental illnessCentral sleep apneaMyasthenia gravis
You may be able to join if
I am between 20 and 60 years old.
I have symptoms of sleep snoring.
I feel sleepy during the day.
I have been diagnosed with obstructive sleep apnea.
I do not have obstructive sleep apnea but snore.
I do not have any symptoms of sleep snoring and have normal sleep.
You may not be able to join if
I have severe lung, brain, or heart problems.
I have used a breathing machine for more than 3 months.
I have had surgery on my upper airways.
I have sleep-breathing problems for special reasons like thyroid issues.
I have severe mental health issues or long-term alcohol abuse.
I have central sleep apnea due to other issues.
I have severe facial deformities or muscle diseases.
I have peripheral nerve issues from diabetes or other diseases.
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer a few quick questions to see if you may meet the eligibility requirements.
Obstructive sleep apnea (OSA), recognized as a highly prevalent sleep breathing disorder with severe complications, features a complex etiology. Poor understanding of disease pathogenesis limits the overall efficacy of interventions. Studies have found that upregulation of 5-HT7 expression in the lateral hypothalamus (LH) could reduce arousal threshold (ArTH) and induce an inhibitory effect to the…
Obstructive sleep apnea (OSA), recognized as a highly prevalent sleep breathing disorder with severe complications, features a complex etiology. Poor understanding of disease pathogenesis limits the overall efficacy of interventions. Studies have found that upregulation of 5-HT7 expression in the lateral hypothalamus (LH) could reduce arousal threshold (ArTH) and induce an inhibitory effect to the respiratory central, which was associated with hypoxic stimulation. Therefore, the investigators speculate that the structural/functional abnormalities of the arousal-respiratory neural circuit, mediated by LH5-HT7, may play an important role in the pathogenesis of OSA. To verify the hypothesis, the investigators will compare the ArTH and the brain network presenting by multimodal MRI in normal individuals, snoring individuals, and OSA patients, to reveal the correlation between arousal dysregulation and the structure/function of LH regions; compare the changes of ArTH and brain network in OSA patients with low ArTH before and after CPAP treatment, to verify the interaction between hypoxia and arousal dysregulation, as well as whether the damaging performance of the arousal-respiratory brain regulation area in OSA patients can be partially reversed by relieving hypoxia. Above all, the joint application B team will further analyze the LH5-HT7 neural mechanism in the pathogenesis of OSA.
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Eligibility Criteria
Inclusion Criteria:
OSA Patients:
* Age between 20 and 60 years.
* Symptoms of sleep snoring and daytime sleepiness.
* Confirmed diagnosis of OSA following overnight sleep monitoring.
Simple Snorers:
* Age between 20 and 60 years.
* Symptoms of sleep snoring.
* Overnight sleep monitoring indicat…
Inclusion Criteria:
OSA Patients:
* Age between 20 and 60 years.
* Symptoms of sleep snoring and daytime sleepiness.
* Confirmed diagnosis of OSA following overnight sleep monitoring.
Simple Snorers:
* Age between 20 and 60 years.
* Symptoms of sleep snoring.
* Overnight sleep monitoring indicates not meeting the OSA diagnosis.
Healthy Controls:
* Age between 20 and 60 years.
* No symptoms of sleep snoring.
* Overnight sleep monitoring rules out the diagnosis of OSA.
Exclusion Criteria:
* Presence of severe pulmonary, neurological, or cardiovascular complications.
* History of long-term non-invasive positive pressure ventilation treatment (more than 3 months) or upper airway surgery.
* Sleep-disordered breathing due to special etiologies such as hypothyroidism, acromegaly, vocal cord paralysis, etc.
* Presence of severe mental illness, long-term alcohol abuse, or a history of prolonged use of sedative-hypnotic drugs.
* Central sleep apnea predominant sleep disorders due to various causes.
* Severe craniofacial deformities, myasthenia gravis, or other known myopathic histories.
* Patients with peripheral neuropathy caused by diabetes, autoimmune diseases, etc.
* Patients with comorbid insomnia, anxiety, depression, or other types of sleep disorders.
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