Investigating the link between obstructive sleep apnea and pulmonary hypertension
Official title: Prevalence, Phenotypes, Predictors and Prognostic Implication of Obstructive Sleep Apnea in Pulmonary Hypertension
Run by Chinese Pulmonary Vascular Disease Research Group · NCT05595200 · Data updated 2026-11-12
This study looks at how common sleep apnea is in adults with pulmonary hypertension and how it affects their health.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 480 (estimated) |
| Sponsor | Chinese Pulmonary Vascular Disease Research Group Academic / other |
| Locations | 1 site (Beijing) |
| Status | Recruiting |
| Started | May 1, 2020 |
| Main results expected | December 31, 2028 |
| Study ends | December 31, 2028 |
| Registry record updated | October 26, 2026 |
| Trial ID | NCT05595200 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are adults aged 18 and older who have been diagnosed with pulmonary hypertension through right heart catheterization.
✕Probably not a fit
Patients who are pregnant, have central sleep apnea, or have previously received treatment for sleep-disordered breathing may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study aims to explore the prevalence, phenotypes, and predictors of obstructive sleep apnea (OSA) in patients diagnosed with pulmonary hypertension. Adult participants will undergo an overnight cardiorespiratory study using a Level III portable device to assess their sleep patterns and related physiological parameters. The study will categorize patients into OSA and non-OSA groups based on their apnea-hypopnea index (AHI) and collect data on hypoxemic parameters and baseline clinical characteristics. The goal is to determine the impact of OSA on clinical outcomes in this patient population.
Why it matters
Potential benefit: If successful, this study could improve risk assessment and therapeutic recommendations for patients with pulmonary hypertension by identifying the prognostic implications of obstructive sleep apnea.
How similar studies have gone: Other studies have indicated a higher prevalence of obstructive sleep apnea in patients with pulmonary hypertension, suggesting that this approach could yield valuable insights.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Aged ≥18 years old * Diagnosed with pulmonary hypertension by right heart catheterization Exclusion Criteria: * Pregnancy * Central sleep apnea * Previous treatment for sleep-disordered breathing * Unavailable or incomplete sleep data * Requiring nocturnal oxygen supplementation
Where it's running
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Center for Respiratory and Pulmonary Vascular Diseases, Fuwai hospital, CAMS & PUMC
Beijing, China Recruiting
Study contacts
- Principal investigator: Zhihong Liu — Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
- Study coordinator: Zhihong Liu, M.D., Ph.D
- Email: zhihongliufuwai@163.com
- Phone: +861088396590
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Using a sleep medication to help people with obstructive sleep apnea tolerate CPAP
The trial will test whether giving the sleep medicine eszopiclone to people with obstructive sleep apnea (AHI ≥10/hour) helps them stick with CPAP and improves thinking skills.
-
Daytime versus overnight titration for hypoglossal nerve stimulation
We will test whether a daytime sleep test works as well as an overnight sleep test to fine-tune hypoglossal nerve stimulation for people with moderate to severe obstructive sleep apnea.
-
Registry for patients with obstructive sleep apnea treated with hypoglossal nerve stimulation
This study is collecting information from patients with moderate to severe obstructive sleep apnea who are using a new device called Inspire to see how well it works and how it helps them over five years.
-
Multimodal Deep Learning to Predict Sleep Apnea Severity from SpO2 and Ballistocardiography
Researchers are testing a smart-mattress-based method that uses SpO2 and ballistocardiography data to predict sleep apnea severity in adults undergoing overnight sleep study.
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Nightly wearable monitoring with at-home submental electrical stimulation for sleep apnea
This pilot test checks whether wearing a ring sensor at night and doing a 4-week at-home submental electrical stimulation is feasible for adults with obstructive sleep apnea and looks at changes in sleep metrics.
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Levosimendan to see if it helps the heart after PEA in CTEPH
This small randomized trial tests whether giving levosimendan around surgery helps reduce pulmonary artery pressure and support right heart function after pulmonary endarterectomy for CTEPH.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.