Pulmonary hypertension

This study tests an experimental drug called REGN13335 in 99 adults with pulmonary arterial hypertension (PAH), a condition where high blood pressure in the lungs makes the heart work harder. Participants will receive either the drug or a placebo, on top of their usual PAH medica…

Researchers are testing an inhaled drug called mosliciguat in people who have pulmonary hypertension caused by interstitial lung disease, a condition where lung scarring leads to high blood pressure in the lungs. The phase 3 trial enrolls about 376 participants who receive either…

This phase 2 trial tests an injected drug called TX000045 in 25 people who have high blood pressure in the lungs due to scarring lung disease. The main goal is to see if the drug lowers lung blood pressure and is safe over 16 weeks. Researchers will also check for side effects an…

This study tests an inhaled medicine called L606 for people with high blood pressure in the lungs due to lung disease. About 344 adults will be randomly assigned to receive L606 or a placebo. The main goal is to see if L606 helps them walk farther in six minutes and delays worsen…

In pulmonary arterial hypertension, the right side of the heart works against high pressure in the lungs and can weaken over time. This study tests whether temporary pacing of the right ventricle at the spot where it contracts latest can improve its pumping strength. Researchers …

This study tests a new inhaled drug, mosliciguat, added to an existing treatment (treprostinil) for people with high blood pressure in the lungs caused by lung scarring. The goal is to see if the combination is safe and tolerable. About 20 adults with this condition will particip…

This study follows 280 adults and children with pulmonary hypertension who are already taking macitentan or selexipag in a previous trial. The goal is to monitor long-term safety, including side effects and serious events, while allowing continued access to the medication. Partic…

This study tests whether different oxygen targets (higher vs. lower) improve outcomes in 39 preterm infants with bronchopulmonary dysplasia and pulmonary hypertension. Each infant will experience both oxygen levels in a crossover design. The goal is to see which level reduces dan…

This study tests whether tadalafil, a drug often used for erectile dysfunction, can help people with severe pulmonary hypertension caused by chronic obstructive pulmonary disease (COPD). About 200 adults with both conditions will receive either tadalafil or a placebo daily for 16…

This study tests a device that uses radiofrequency energy to treat high blood pressure in the lungs (pulmonary hypertension) in people with heart failure. The goal is to see if it can reduce serious heart events like hospitalizations or death. About 750 adults with stable heart f…

This pilot study tests two medicines, dopamine and norepinephrine, in 30 full-term or near-term newborns with low blood pressure and lung problems caused by pulmonary hypertension. The goal is to see which drug better improves blood flow and oxygen levels. Results could help doct…

This trial is testing an experimental drug called HS235 in obese adults who have both pulmonary hypertension and heart failure with preserved ejection fraction. The study aims to see if the drug is safe, how it moves through the body, and whether it can improve heart and lung fun…

This study tests a stem cell transplant using the patient's own blood cells to treat severe scleroderma (systemic sclerosis) that hasn't improved with standard drugs. The goal is to see if this high-dose therapy is safe and can stop the disease from getting worse. The trial enrol…

This phase 3 trial tests an inhaled drug called treprostinil palmitil in 344 adults with pulmonary hypertension caused by interstitial lung disease. Participants take the drug or a placebo once daily for 24 weeks. The main goal is to see if the drug helps them walk farther in six…

This phase 3 study tests the long-term safety of an inhaled drug called treprostinil palmitil for people with pulmonary hypertension caused by interstitial lung disease. About 344 adults who completed an earlier trial will take the drug for up to 2 years. Researchers will track s…

This study tests an experimental oral drug called ROC-101 in 40 adults with pulmonary arterial hypertension (PAH) or pulmonary hypertension linked to interstitial lung disease (ILD-PH). Participants take the drug alongside their standard care for 24 weeks, with a long-term follow…

This early-stage study tests a new way to use a heart-lung machine (ECMO) in 4 people waiting for a lung transplant who also have heart failure from high blood pressure in the lungs. The goal is to see if this approach can keep them alive and stable until they receive a transplan…

This phase 2 trial tests whether pioglitazone, a drug used for diabetes, can improve how cells use oxygen in people with pulmonary hypertension caused by chronic lung disease. Participants take pioglitazone or a placebo daily for 28 days, then switch after a 2-week break. The stu…

This early-stage trial tests the safety of a single inhaled dose of L608 in 32 healthy volunteers. L608 is a liposomal formulation designed to treat pulmonary arterial hypertension, a condition of high blood pressure in the lungs. The study compares different doses against a plac…

This study is testing the safety of an inhaled dry powder form of treprostinil (LIQ861) for people with pulmonary hypertension (high blood pressure in the lungs) due to lung disease. About 80 adults will take the drug using a special inhaler, and researchers will monitor for side…

This study tests whether giving two inhaled drugs (milrinone and epoprostenol) before heart-lung bypass can prevent difficult separation from the machine. About 141 adults having heart surgery will be randomly assigned to receive the drug combo or a placebo. The goal is to see if…

This study tests a procedure called pulmonary artery denervation (PADN) for people who still have high blood pressure in their lung arteries after a mitral valve repair. The procedure uses a catheter to deliver radiofrequency energy to specific nerve points in the main pulmonary …

This study offers continued access to the inhaled drug TPIP for people with pulmonary arterial hypertension (PAH) or pulmonary hypertension linked to interstitial lung disease (PH-ILD) who have already completed a related study. Participants must have successfully finished prior …

This study tests whether a mechanical heart pump (HeartMate 3) can help people with advanced heart failure live longer and avoid serious complications like stroke or the need for a heart transplant. About 850 participants will either receive the pump or continue standard medical …

This Phase 3 trial tests whether adding doxycycline to standard tuberculosis treatment can reduce permanent lung damage and lower the risk of heart problems. Researchers will give 150 adults either doxycycline or a placebo for 8 weeks alongside their TB medication. The main goal …

This Phase 2 trial tests an experimental drug called APL-9796 in 48 adults with pulmonary hypertension (high blood pressure in the lungs). The study aims to see if the drug is safe, tolerable, and effective. Participants receive injections under the skin, and researchers monitor …

This early-phase study tests whether an oral supplement called L-Citrulline is safe for preterm babies born at or before 30 weeks who have lung problems (BPD) or a serious gut condition (NEC). The goal is to see if raising low levels of a natural substance in the blood can reduce…

This study tests whether adding macitentan to the standard drug dapagliflozin improves outcomes for people with heart failure and a specific type of high blood pressure in the lungs. 64 adults in South Korea will take either the combo or dapagliflozin alone for 24 weeks. Research…

This study tests whether sildenafil (the drug in Viagra) can help people with severe lung high blood pressure caused by long-term rheumatic heart valve disease. Researchers will give 100 participants either sildenafil or a placebo three times daily for six weeks. The main goal is…

This study tests whether giving iron through a vein can help people with pulmonary hypertension (high blood pressure in the lungs) who also have low iron levels. Many patients with this condition have trouble absorbing iron from pills. The trial will compare intravenous iron to a…

This phase 2 trial tests whether sildenafil, a drug used for pulmonary hypertension, can help people with scleroderma who have mildly elevated lung pressures. Thirty participants will receive either sildenafil or a placebo for 4 months. The main goal is to see if the drug improve…

This study tests a new device for people with pulmonary hypertension, a condition where high blood pressure strains the heart. The device is implanted to help the heart pump better. About 30 adults with severe symptoms will take part to see if the device is safe and works well.

This phase 3 trial tests a procedure called FETO, where a balloon is placed in the windpipe of a fetus to help lungs grow. It is for pregnant women carrying a baby with severe congenital diaphragmatic hernia, a condition where the diaphragm has a hole and organs move into the che…

This phase 2 trial is testing whether two existing drugs, empagliflozin (used for diabetes) and ranolazine (used for chest pain), can improve right heart function in 30 people with pulmonary hypertension and right heart failure. Participants will receive one of the drugs plus sta…

This study tests a remote monitoring system using pulse oximeters to optimize oxygen therapy in premature infants with bronchopulmonary dysplasia (BPD). Researchers aim to reduce the time babies need oxygen and prevent complications like pulmonary hypertension. The trial involves…

This study tests whether a long-term rehabilitation program—combining home exercise and breathing muscle training—can improve clinical outcomes and heart-lung function in people with pulmonary arterial hypertension. About 104 adults with stable disease will be randomly assigned t…

This study tests whether an artificial intelligence (AI) tool that analyzes a simple ECG can help doctors find undiagnosed pulmonary hypertension (high blood pressure in the lungs) in people with interstitial lung disease. About 900 adults with severe lung scarring will be random…

This study is testing whether a digital stethoscope and a simple heart monitor (ECG) can detect pulmonary hypertension, a serious condition where blood pressure in the lungs is too high. About 1,500 adults who are already scheduled for heart tests will have their heart sounds and…

This study is testing whether a special digital stethoscope, combined with artificial intelligence, can detect pulmonary hypertension (high blood pressure in the lungs) by listening to heart sounds and recording a single-lead ECG. Researchers will enroll over 2,400 adults who are…

This study explored whether a special type of MRI using inhaled xenon gas could detect changes in the small blood vessels of the lungs in people with pulmonary hypertension. The goal was to see if this imaging method could track disease progression or response to treatment. Howev…

This study is testing whether a digital stethoscope, combined with artificial intelligence, can detect two serious conditions: high blood pressure in the lungs (pulmonary hypertension) and a weak heart pump (low ejection fraction). About 3,850 adults will have their heart sounds …

This study is testing a special MRI scan that uses xenon gas to take detailed pictures of lung function. It includes 260 healthy volunteers and people with lung diseases like asthma, COPD, and cystic fibrosis. The goal is to see if this method can better detect and measure lung p…

This study looks for early signs of pulmonary hypertension (high blood pressure in the lungs) in people with chronic lung diseases like COPD or pulmonary fibrosis. Researchers will analyze collagen fragments in blood and lung tissue to create a 'fingerprint' that could lead to si…

This study tests whether artificial intelligence (AI) can analyze routine heart tests (ECGs) to find hidden heart problems like weak heart muscle, valve issues, or high lung pressure. About 590 adults without a prior heart disease diagnosis will have ECGs taken with standard mach…

This study tests whether a non-invasive device called electrical impedance tomography (EIT) can accurately diagnose pulmonary hypertension, a serious lung condition. Currently, diagnosis requires an invasive procedure called right heart catheterization. Researchers will compare E…

This study tests whether an artificial intelligence-enhanced electrocardiogram (AI-ECG) can detect pulmonary hypertension—a serious condition where blood pressure in the lungs is dangerously high—in people aged 50 to 85 who are at risk. Over 8,600 participants will get the AI-ECG…

This early-phase study tests whether a special PET scan tracer, 18F-fluoroglutamine, can detect pulmonary arterial hypertension (PAH) earlier and more accurately. PAH is a serious disease of the lung's blood vessels that often goes undiagnosed for years. The study will scan 71 ad…

This study at Mayo Clinic is testing whether voice recordings can help detect pulmonary hypertension, a serious condition affecting the heart and lungs. Researchers will collect voice samples from 7,000 people already scheduled for an echocardiogram. The goal is to see if voice p…

This study is looking for specific protein patterns in the blood that could help diagnose chronic thromboembolic pulmonary hypertension (CTEPH), a rare but serious complication of blood clots in the lungs. Researchers will analyze blood samples from 120 people suspected of having…

This study is testing whether a new risk score called PVD-B65 can accurately predict who will survive for one year after being diagnosed with pulmonary hypertension related to chronic lung disease. Researchers will follow 100 adults and track deaths and other health changes. The …

This trial asks whether breathing supplemental oxygen during a 6-minute walk test helps people with pulmonary vascular disease (PAH or CTEPH) walk farther than they would on ambient air. Participants will complete two walk tests—one with oxygen via nasal cannula and one without—t…

This trial tests whether breathing supplemental oxygen during exercise helps people with pulmonary vascular disease walk farther compared to breathing regular air. Participants will perform a standard six-minute walk test twice—once with oxygen and once without—to see if oxygen i…

This study tests whether a 16-week home exercise program can improve daily function in 30 adults with pulmonary hypertension linked to interstitial lung disease. Participants will receive daily texts or emails with aerobic and strength exercises. Researchers will measure changes …

This study is testing a smartphone app called MedlyPeds that lets children with heart disease send their weight, blood pressure, and heart rate to their doctors from home. The app also asks about symptoms and sends personalized tips. The goal is to see if the app is easy to use a…

This study tests whether tadalafil, a drug often used for erectile dysfunction, can reduce shortness of breath in 126 veterans who have both COPD and high blood pressure in the lungs. Participants will be randomly assigned to take either tadalafil or a placebo for six months, and…

This study tests whether a 12-week home-based exercise program, started soon after diagnosis, improves walking distance and quality of life in people with pulmonary hypertension. Forty participants will either exercise early or wait six months. The goal is to see if exercise plus…

This study tests whether supervised exercise sessions done at home through video calls can improve breathing, fatigue, and quality of life in people with elevated pulmonary artery pressure. Twelve adults with stable symptoms will be randomly assigned to either telerehabilitation …

This study tests whether a 16-week home exercise program, guided by a smartwatch, can help children aged 8-18 with pulmonary hypertension become more active and improve their muscle strength and quality of life. Participants will wear activity trackers and follow a personalized e…

This pilot study tests whether semaglutide (Ozempic), a drug used for diabetes and obesity, is safe and tolerable for weight loss in people with advanced lung disease. Eight participants with conditions like COPD or pulmonary fibrosis will take weekly injections for 12 weeks. Res…

This study looks at whether Street Racket, a simple racket sport, can be added to standard pulmonary rehabilitation for people with chronic lung disease. Twelve participants will play Street Racket every two weeks during their rehab program. Researchers will measure how acceptabl…

This natural history study follows 270 adults with pulmonary arterial hypertension (PAH) and healthy volunteers to track how the disease changes over time. Researchers will use blood tests, heart and lung imaging, and a six-minute walk test to find new markers of disease severity…

Researchers at Hospital de Clínicas de Porto Alegre are translating and culturally adapting the EmPHasis-10 questionnaire, a short survey that measures how pulmonary hypertension affects patients' quality of life, into Brazilian Portuguese. The study enrolls 50 adults with pulmon…

This study follows up to 3,500 people with sickle cell disease to learn more about how the condition progresses and what complications arise. Participants receive their usual medical care outside the hospital and visit the clinic for check-ups and research tests. No experimental …

This observational study follows 350 adults with pulmonary hypertension to see if certain biomarkers in urine and blood are linked to worsening kidney function. Participants undergo standard tests but receive no experimental treatment. The goal is to better understand how kidney …

This study collects blood and urine samples from healthy adults and patients with heart, lung, or blood vessel conditions. Researchers will use these samples to study genes, proteins, and other substances in the lab. The goal is to support basic and translational research that co…

This study looks at why people with pulmonary arterial hypertension (PAH) lose muscle mass and how that affects their daily life and activity. Researchers will measure body composition, heart fat, diet, and physical function in 150 adults with PAH. No new treatment is being teste…

This study is a registry that will follow about 900 adults with both interstitial lung disease and pulmonary hypertension. Researchers will collect information on patients' medical history and track changes in their condition over time. The goal is to better understand these dise…

This study tests whether doctors can use ultrasound (instead of X-rays) to guide a thin tube called a Swan-Ganz catheter into the right heart artery in people with pulmonary hypertension. The goal is to see if this method is safe, fast, and accurate. About 35 adults will take par…

This study looks at whether not using inhaled nitric oxide (iNO) in newborns with congenital diaphragmatic hernia (CDH) leads to better outcomes, like fewer needing life support or dying. About 600 babies from multiple hospitals will be included. The goal is to see if stopping th…

This study explores whether a simple, radiation-free scan of the nailbeds—called nailfold capillaroscopy—can help diagnose and monitor pulmonary hypertension (PH), a condition of high blood pressure in the lungs. Researchers will compare nailbed blood vessel measurements with inv…

This study tests whether it is possible to run a larger trial comparing two ways of using a breathing machine (ventilator) in critically ill heart patients who need help breathing. The two modes are volume-controlled (delivers a set amount of air each breath) and pressure-control…

This observational study will follow 5000 people with pulmonary hypertension to understand a severe complication called pulmonary hypertension crisis. Researchers will collect medical data and samples to build a risk prediction tool. The goal is to identify who is at risk and imp…

This study looks at how the right side of the heart works in people with COPD, both at rest and during different levels of exercise. Researchers want to find patterns of heart strain to help develop better treatments in the future. About 60 adults aged 40 and older with COPD will…

This study looks at how the right side of the heart works in people with COPD, both at rest and during exercise. Researchers will use heart imaging and other tests to identify different patterns of heart dysfunction. The goal is to better understand these patterns so that future …

This study tests whether nicotinamide riboside, a form of vitamin B3, can improve how cells produce energy in people with combined pulmonary hypertension (CPH). CPH is a serious lung and heart condition with no approved treatments. Ten participants will receive both the supplemen…

This study is tracking 70 adults on long-term dialysis to find out how often they develop high blood pressure in the lungs (pulmonary hypertension) and what causes it. Participants get heart ultrasounds and, if needed, more tests to confirm the condition. Researchers will follow …

This study tests a new, lightweight ultrasound device called NeoDoppler that can be gently placed on a newborn's soft spot (fontanelle) to continuously measure blood flow in the brain. Researchers will enroll 180 preterm and full-term infants, including those with conditions like…

This study looks at how a specific biological pathway (BMPR2-activin) affects pulmonary hypertension in people with left heart disease. Researchers will follow 150 heart failure patients for one year, using blood tests, imaging, and heart tissue analysis. The goal is to better un…

This study is testing a new device called HemoCept during a standard heart procedure called right heart catheterization. The goal is to see if the device can accurately measure pressure in the heart's blood vessels. About 50 adults with conditions like pulmonary hypertension or h…

This study looks at whether a special heart pressure wave test can better track recovery in adults with chronic blood clots in the lungs (CTEPH) who are getting a procedure to open blocked arteries (balloon pulmonary angioplasty). Researchers will measure walking distance, heart …

This study is an observational registry that will follow about 120 adults with pulmonary hypertension who are being treated with the drug sotatercept at the Mayo Clinic. Researchers will track changes in quality of life, exercise ability, heart function, and side effects like ble…

This study is creating a large database of children with pulmonary hypertension (high blood pressure in the lungs) to better understand how the disease progresses and how treatments work in real life. Researchers will follow 450 children and adolescents over time, collecting info…

This study is building a large collection of blood samples and health information from 5,000 adults with congenital heart disease and related conditions. Researchers will use this data to better understand how these diseases work and what affects patient health. No treatments or …

This study is testing new heart MRI techniques to see how the heart adapts to stress, like exercise or fluid changes. Researchers will study 135 healthy volunteers and people with heart conditions. The goal is to improve understanding of heart function and develop better diagnost…

This early-stage study tests a new tablet called F230 in 136 healthy adults to see if it is safe and how the body processes it. The drug is designed to treat pulmonary hypertension, a serious lung condition. Researchers will also check if food changes how the drug works. This stu…

This study is looking at people with pulmonary arterial hypertension (PAH), those with a genetic risk but no disease, and healthy individuals. Researchers aim to find molecular and physical markers that explain why some people get PAH and others stay healthy. The goal is to impro…

This study is creating and testing a questionnaire called SAVOIR to measure how much people with pulmonary arterial hypertension (PAH) understand about their condition. Up to 215 patients and expert judges will help ensure the questions are clear, relevant, and reliable. The goal…

This study compares noninvasive heart ultrasound (echocardiogram) with the standard invasive right heart catheterization in 3000 people referred for catheterization. The goal is to see if ultrasound can accurately measure heart function and blood flow during exercise. Participant…

This study aims to develop a noninvasive way to detect blood vessel changes in the lungs of people with Group 3 pulmonary hypertension (PH) using a special MRI technique. Researchers will compare MRI results with lung tissue from 30 patients awaiting lung transplant. The goal is …

This study is testing whether a special MRI using inhaled xenon gas can track how well the drug sotatercept repairs blood vessels in the lungs of people with pulmonary arterial hypertension (PAH). Fourteen adults with PAH will have xenon MRI scans before and after starting sotate…

This study uses a safe, radiation-free device called electrical impedance tomography (EIT) to take pictures of the lungs in infants, children, and young adults up to age 25. Researchers will compare images from patients with chronic lung or heart conditions to healthy controls to…

This study looks at small molecules (metabolites) in the blood and urine of people with pulmonary hypertension caused by lung fibrosis. Researchers want to see how these metabolites change with treatment and whether they can tell who will respond well. The goal is to better under…

This study checks if smartwatches can accurately measure oxygen levels in people with pulmonary hypertension, a condition that affects the lungs and heart. Twenty adults will have their oxygen levels checked by a smartwatch, a finger clip, and a blood test at rest, after exercise…

This study involves 100 people with suspected pulmonary hypertension who are already scheduled for a right heart catheterization. During the procedure, doctors will take two extra blood samples from a specific position in the lung artery to analyze oxygen and other gas levels. Th…

This study looks at how the diaphragm, the main muscle used for breathing, works in people with lung diseases like asthma, COPD, fibrosis, and pulmonary hypertension. Researchers want to see if diaphragm problems are linked to shortness of breath. About 800 adults will take breat…

This study looks back at medical records of 1,000 people with COPD who also had a special heart test called right heart catheterization. Researchers want to understand a specific lung-heart problem called pulmonary hypertension. By analyzing this data, they hope to better identif…

This study is creating a large database to collect information on people with rare diseases like amyloidosis, sarcoidosis, and Gaucher disease. Researchers will track patients' health over time, including their symptoms, treatments, and outcomes. The goal is to improve diagnosis …

This study is creating a large database of information from 900 people who have pulmonary hypertension (high blood pressure in the lungs) or are at risk for it. Researchers will collect medical history, test results, and follow-up data over time. The goal is to improve understand…

This study aims to understand why the right side of the heart fails in people with heart failure and high blood pressure in the lungs. Researchers will look at heart tissue samples from 50 adults to find the best ways to diagnose and treat this condition. Participants must be bet…

This study is looking for early signs of heart and lung damage in people receiving radiation for chest cancers. Researchers will use PET/MR scans and blood tests before and after treatment to see if they can predict who will develop problems like pulmonary hypertension. The goal …

This study will follow at least 700 people with pulmonary hypertension to track side effects and deaths related to targeted medications. Participants will be checked every 6 months using a computer system. The goal is to better understand the safety of these drugs in real-world u…

This study is testing whether artificial intelligence (AI) can better detect a serious lung condition called pulmonary arterial hypertension (PAH) in people with scleroderma. Researchers will compare AI algorithms to traditional screening methods in 350 patients across multiple h…

This study is a national registry that collects information from 3,000 people with pulmonary hypertension (PH) treated at specialized centers across the U.S. Researchers will track how patients are diagnosed, treated, and how they do over time. The goal is to see if care follows …

This study is testing a device called Electrical Impedance Tomography (EIT) that uses electrodes to create images of the lungs without radiation. Researchers want to see if it can provide useful information about lung function in children with chronic respiratory diseases, includ…

This study looks at how genes may increase the risk of pulmonary hypertension (high blood pressure in the lungs). Researchers will collect health surveys and saliva samples from 10,000 adults in the US, both with and without the condition. The goal is to find genetic links that c…

This study looks at how long it takes for people in Brazil to get a correct diagnosis of pulmonary arterial hypertension (PAH), a rare and serious lung disease. Researchers will review medical records of about 139 adults diagnosed in the last five years to find out what causes de…

This study looks at how well tiny blood vessels in the lungs recover after a procedure called balloon pulmonary angioplasty (BPA) in people with chronic thromboembolic pulmonary hypertension (CTEPH). CTEPH is a condition where old blood clots block lung arteries, making it hard t…

This study looks at whether the way blood cells work and handle stress can help doctors detect and predict the course of pre-capillary pulmonary hypertension, a serious lung condition. Researchers will collect blood samples from 120 patients during routine visits over three years…