Clinical trials
Breathing clinical trials
Below are recruiting breathing clinical trials, each written for real people, not researchers. We’re tracking 367 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06997224Recruiting
Breathing exercises after heart valve surgery
This trial tests two breathing exercises (Triflow and deep breathing with cough) to see if they help patients recover lung function after mitral valve replacement surgery. It may help you breathe better after your procedure.
IstanbulAges 18–80 - NCT07424014RecruitingPhase 4
Heliox and breathing control during exercise
This trial tests whether a special gas mixture called heliox (helium and oxygen) can help control breathing during exercise. It is for healthy, active adults age 18–40 who exercise regularly and have no major health problems.
Bloomington, IndianaAges 18–40 - NCT06745869Recruiting
Aerobic and breathing exercises for choir singers
This trial tests whether combining aerobic exercise with special breathing exercises (diaphragmatic) improves singing and breath control in choir members. If you're a chorist with a sedentary lifestyle, you may benefit from this study.
IstanbulAges 25–60 - NCT06802744Enrolling by invitation
Breathing tube study for avalanche burial simulation
This study tests whether a special breathing tube changes carbon dioxide levels in the body during a simulated avalanche burial. It helps researchers understand how to better protect people trapped under snow.
Aarau, Canton of AargauAges 18–60 - NCT07379606Recruiting
Exercise and cyclic sighing for stress and cognition
This study looks at how moderate exercise and a special breathing technique called cyclic sighing affect stress, thinking, and body signals in healthy young adults. It may help you learn simple ways to manage stress and improve focus.
Poznan, WielkopolskaAges 18–35 - NCT05946512Recruiting
Yoga breathing plus lung MRI measurements for post-COVID symptoms
This study uses breathing exercises from yoga and MRI (a scan of the body) measurements to see how well yoga breathing can improve ongoing breathing symptoms after COVID-19. It also compares results in a few other specific groups and healthy volunteers.
Innsbruck, TyrolAges 18–50 - NCT06573450Recruiting
Breath test study for allergic rhinitis and asthma
This study is looking at certain substances in your breath to better understand allergic rhinitis, asthma, and the combination of both (CARAS). It could help doctors find new ways to diagnose or treat these conditions.
Henan, ZhengzhouAges 18–80 - NCT06968234Recruiting
Liver disease breath test study
This study uses a special breath test to learn about chronic liver disease. If you have liver disease or cirrhosis, you may be able to help by providing a breath sample.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT07467265Recruiting
Testing a breathing test to safely remove ventilators
This study is testing a simple way to measure how well you breathe on your own when coming off a ventilator in the ICU. It helps doctors decide the best time to safely remove the breathing tube.
Cairo, AbbasiaAges 22 years+ - NCT07737093Recruiting
Comparing two breathing devices after lung surgery
This trial compares two handheld devices (Acapella and Flutter) to see which works better at helping you clear mucus and improve your breathing after lung lobe removal surgery.
Lahore, Punjab ProvinceAges 35–54 - NCT07024420Recruiting
Sigh breathing during heart surgery with heart-lung machine
This study tests if adding occasional deep breaths (sighs) during heart surgery helps patients recover better after using the heart-lung machine. It is for people having planned (not emergency) heart surgery.
Nanjing, JiangsuAges 18 years+ - NCT07445269Enrolling by invitation
Breathing muscle warm-up for athletes
This study looks at whether warming up your breathing muscles before exercise can help make them stronger during both fast, explosive workouts (like sprinting) and longer, steady endurance exercise (like jogging). It might be a good option for young athletes who want to see if a simple warm-up can boost their performance.
ÇorumAges 14–30 - NCT07687745RecruitingEarly Phase 1
Breathing exercises for healthy blood pressure during pregnancy
This trial tests whether a simple breathing exercise device can help keep your blood pressure healthy during pregnancy. You will use a small device 5-7 days a week and sync measurements with your smartphone.
Tucson, ArizonaAges 18–55 - NCT07399119Enrolling by invitation
Study on Wim Hof Method and Exercise in Healthy Young Adults
This trial tests how the Wim Hof method (a breathing and cold exposure technique) affects your heart and exercise performance during aerobic training. It is designed for healthy young adults.
Beirut, Tariq EL JedidaAges 18–25 - NCT07389993Recruiting
Breathing muscle study after childbirth
This study looks at how childbirth affects the diaphragm and other breathing muscles in women with and without a condition called diastasis recti abdominis (abdominal muscle separation). It aims to understand differences in breathing muscle function to help guide future treatments.
Pátrai, AchaiaAges 18–50 - NCT07724496Recruiting
H. pylori and stomach growth features study
This study looks at whether having H. pylori infection (a common stomach bacteria) and certain features of stomach growth can predict how early stomach cancer or pre-cancerous changes will behave and what your long-term outlook might be. You may be eligible if you are being treated with a camera-based removal procedure called endoscopic submucosal dissection (ESD).
Beijing, Beijing MunicipalityAges 18–80 - NCT07724574Recruiting
Comparing two posture treatments with breathing exercises
This study compares two different muscle-strengthening approaches (Kendall vs. Janda) combined with diaphragmatic breathing exercises to improve posture and symptoms in people with upper crossed syndrome (forward head and rounded shoulders).
Sialkot, Punjab ProvinceAges 30–50 - NCT05973656Recruiting
Study how alcohol affects the risk of mouth cancer
This study looks at how a breakdown product from alcohol (acetaldehyde) may play a role in oral (mouth) cancer. It may help researchers understand who is more affected by alcohol and why.
Minneapolis, MinnesotaAges 18–45 - NCT07715591Recruiting
Relaxing breathing during awake cataract surgery
This study tests a special breathing and pain education program to help you stay calm and comfortable during cataract surgery while you are awake. It may reduce pain and anxiety without extra medicine.
Los Angeles, CaliforniaAges Any age - NCT07516249Recruiting
Cartoons and Stories to Help Kids Feel Better During Breathing Treatments
This study tests whether watching cartoons and hearing interactive stories can help children aged 6–9 feel less scared and more comfortable while using a nebulizer (a machine that turns medicine into a mist to breathe in). The goal is to see if distraction and engaging storytelling make the treatment easier for kids.
MersinAges 6–9 - NCT04118387RecruitingPhase 4
Study of how to treat central sleep apnea in Veterans
This Phase 4 study looks at what’s going on in the body during central sleep apnea and uses that information to guide treatment. If you have central sleep apnea, this could help confirm or improve how treatment is chosen for you.
Detroit, MichiganAges 18 years+ - NCT04984473Recruiting
Breathing muscle training during heart rehab
This study tests whether breathing muscle training, added to regular heart rehab, can improve how well people with heart failure do day-to-day. It also compares results with healthy volunteers who do not have certain health problems.
Rochester, MinnesotaAges 18 years+ - NCT03505216Recruiting
Child lung symptom clinic registry for Swiss families
This study collects information from children and teens (up to age 16) who are seen in a children’s lung clinic for breathing or respiratory problems in Switzerland. The goal is to better understand these conditions in everyday care, which may help improve future diagnosis and treatment.
ViennaAges birth–16 years - NCT03755726Recruiting
Study of care for dangerously high blood pressure
This trial looks at a health-care plan for people with malignant hypertension (very high blood pressure causing emergency eye and organ damage). It may help doctors better organize treatment and follow-up after this high-risk diagnosis.
AnnecyAges 18 years+
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Common questions
- Are there clinical trials for breathing?
- Yes. Clin2 currently lists 367 recruiting breathing studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a breathing trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a breathing trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.