Pulmonary hypertension

This study tests whether tadalafil, a drug often used for erectile dysfunction, can help people with group 2 pulmonary hypertension (high blood pressure in the lungs). About 48 participants will take tadalafil or a placebo for 12 weeks. Researchers will measure how far they can w…

This trial asks whether one way of setting a breathing machine is better than another for children born with a hole in the heart who are having surgery to close it. The hole lets extra blood flow to the lungs, which can make them stiff and harder to inflate. During surgery, a mac…

This phase 2 trial investigates whether metformin, a standard diabetes medication, can improve lung blood pressure and exercise ability in people with heart failure with preserved ejection fraction (HFpEF) and pulmonary hypertension. Participants take metformin or a placebo for 1…

This study tested a new oral drug called ralinepag in 687 adults with pulmonary arterial hypertension (PAH), a serious lung condition that makes the heart work harder. Participants took ralinepag or a placebo on top of their usual PAH medications. The main goal was to see if rali…

This study tested whether a natural hormone called DHEA can improve exercise ability in adults with COPD and high blood pressure in the lungs. 51 participants took either a low or high dose of DHEA or a placebo daily for one year. The main goal was to see if DHEA helped them walk…

This study tested whether a daily dose of the hormone DHEA can help adults with COPD who also have high blood pressure in their lungs. Sixty participants took either DHEA or a placebo for one year. Researchers measured how far they could walk in six minutes and checked heart and …

This study tested a device called the Atrial Flow Regulator (AFR) in 32 people with severe pulmonary hypertension, a condition of high blood pressure in the lungs. The device creates a small, controlled hole in the heart to relieve pressure. The main goal was to check safety and …

This study looked at whether bosentan (Tracleer) can reduce the thickness of lung artery walls in people with a type of high blood pressure in the lungs (pulmonary arterial hypertension, or PAH). Eleven adults with PAH took bosentan for 6 months. Researchers measured artery wall …

This study tested the drug spironolactone in 15 adults with chronic right-sided heart failure. The goal was to see if it is safe and can improve heart function and reduce stress on the heart. Participants took either the drug or a placebo to compare effects.

This study looked at the long-term safety of an inhaled medication called treprostinil palmitil (TPIP) for people with pulmonary hypertension caused by interstitial lung disease. Thirty-one adults who completed a previous study took part. The main goal was to check for side effec…

This study looked at the safety of using levosimendan over a longer period in people who have both pulmonary hypertension and heart failure with preserved ejection fraction. 35 patients who had already been in a related study received the drug and were monitored for side effects.…

This study tested a single intravenous infusion of stem cells from donated umbilical cord tissue in one person with severe scleroderma that had caused lung scarring and high blood pressure in the lungs. The goal was to see if the treatment could improve lung function, exercise ab…

This Phase 2 trial tested a drug called sotatercept in 164 adults with a type of high blood pressure in the lungs caused by heart failure. The study compared sotatercept to a placebo to see if it could improve blood flow and walking distance. The goal is to find a better treatmen…

This completed phase 3 trial tested whether giving children with pulmonary hypertension two drugs (sildenafil and bosentan) from the start works better than just one drug (sildenafil alone). The study enrolled 28 children who had not yet received long-term treatment. Researchers …

This study tested two drugs, levosimendan and dobutamine, in 52 adults undergoing heart valve replacement. The goal was to see which one better preserves right ventricular function after surgery. Patients were randomly assigned to receive one of the drugs, and their heart functio…

This study tested an inhaled medication called treprostinil in 5 people with sarcoidosis who also have lung scarring and high blood pressure in the lungs. The goal was to see if the drug could improve blood flow and heart function. Participants took the drug and were monitored wi…

This pilot study tested a procedure called pulmonary artery denervation (PADN) in 30 adults with combined high blood pressure in the lungs and chronic heart failure. The procedure uses radiofrequency energy to disrupt certain nerves in the lung's blood vessels, aiming to lower pr…

This small study tested whether L-glutamine, a common supplement, can reduce high blood pressure in the lungs of adults with non-transfusion-dependent thalassemia. Eight participants took either glutamine plus standard care or standard care alone for 60 days. The main goal was to…

This study looked at the long-term safety of the drug riociguat (Adempas) in adults with pulmonary arterial hypertension (PAH), a type of high blood pressure in the lungs. It included 18 people who had already taken riociguat in earlier Bayer studies. The main goal was to track s…

This study tested an experimental drug called AZD3427 in 260 adults with heart failure and a type of high blood pressure in the lungs (pulmonary hypertension). The goal was to see if the drug could lower pressure in the lung's blood vessels after 24 weeks of treatment. Participan…

This study compares cardiac MRI to the standard right heart catheterization for monitoring people with pulmonary arterial hypertension (PAH), a condition that strains the heart. Researchers want to see if the non-invasive MRI can reliably detect when a patient's condition is wors…

This study tested whether a special MRI technique called 4D flow can accurately measure blood pressure in the lungs of people with pulmonary hypertension. 28 patients had both the MRI and the standard invasive catheterization to compare results. If the MRI proves reliable, it cou…

This completed study looked for specific molecules in the blood (called microRNAs) that could help detect pulmonary hypertension (PH) early. Researchers analyzed blood samples from 907 participants who had or were scheduled for a right heart catheterization, the standard diagnost…

This study looked at whether a 10-week supervised aerobic exercise program can help people with pulmonary hypertension (high blood pressure in the lungs) become more active and feel better. About 97 participants, including healthy volunteers and patients, took part. Patients were…

This study tested an inhaled medication called RT234 in 14 adults with pulmonary arterial hypertension (PAH), a condition where blood pressure in the lungs is dangerously high. The goal was to see if the drug could quickly lower lung blood pressure during a heart catheterization …

This study tested a dynamic blended learning module for 49 people with pulmonary hypertension, a chronic disease causing symptoms like shortness of breath and fatigue. The program included face-to-face education, regular phone follow-ups, and a video from a patient who successful…

This study looked at whether giving extra oxygen to people who live high in the mountains and have high altitude pulmonary hypertension (a type of high blood pressure in the lungs) helps them walk farther. Twenty-four participants completed the trial. Researchers measured how far…

This study compared the short-term effects of active video games versus traditional exercise in 16 adults with pulmonary hypertension. Participants did both types of exercise on separate days, and researchers measured heart rate, blood pressure, oxygen levels, and enjoyment. The …

This study tested whether people with pulmonary vascular disease (problems with blood vessels in the lungs) can walk the same distance in 6 minutes without extra oxygen as they can with it. 40 adults who had low oxygen levels during exercise did two walk tests—one breathing norma…

This study tested whether 8 weeks of inspiratory muscle training (breathing exercises using a device) could improve exercise capacity in 32 people with pulmonary hypertension. Participants were randomly assigned to either active training or a placebo version. The goal was to see …

This study measured how common pulmonary hypertension (high blood pressure in the lungs) is in adults with sickle cell anemia. Nearly 1,000 participants had heart ultrasounds and blood tests, then were contacted by phone for up to 3 years to track their health. The goal was to un…

This completed Phase 1 study looked at 27 people with and without pulmonary hypertension to learn more about how blood vessel problems contribute to the disease. Researchers used heart catheterization, imaging, and blood tests to find biomarkers and understand disease mechanisms.…

This study tested a new way for doctors to discuss CPR with older, seriously ill patients and their families. Instead of the usual conversation, doctors followed a step-by-step guide that focused on the patient's values and explained why CPR might not help. The goal was to see if…

This study tested whether a special type of CT scan (dual energy CT) can help doctors better understand and predict the severity of pulmonary hypertension, a condition of high blood pressure in the lungs. Researchers looked at lung images from 60 adults already diagnosed with the…

This study looked at ways to screen for pulmonary hypertension (high blood pressure in the lungs) in people who already have interstitial lung disease. The goal was to find this complication earlier. 314 adults with various types of lung disease took part in the screening tests.

This study looked at 46 infants under 2 years old in the pediatric ICU with severe bronchiolitis. Researchers used a heart ultrasound measure called TAPSE to see if it could predict how long babies needed intensive care. The goal was to find a simple test that helps doctors plan …

This study looked at how using high-flow nasal oxygen during laryngeal surgery affects the heart and blood vessels. Twenty relatively healthy adults were monitored for changes in heart function compared to standard breathing support. The goal was to understand potential risks, no…

This study tested whether a protocol that measures how well people with pulmonary hypertension perform everyday tasks (like arranging objects and walking with weights) is valid and reliable. Forty adults with the condition completed the five-station test twice. The goal was to se…

This study measured levels of an inflammatory protein called HMGB1 in 74 children with congenital heart disease and pulmonary hypertension. Researchers compared these levels to those in children with heart disease alone and healthy controls. The goal was to see if inflammation pl…

This study tested how well an Apple Watch measures heart and fitness data compared to standard medical equipment. About 50 adults with heart conditions or athletes wore the watch during exercise. The goal was to see if smartwatches can reliably help monitor heart disease.

This study looked at 623 adults with heart failure or high blood pressure in the lungs to see how well different tests measure pressure inside the heart. Doctors used both non-invasive ultrasound (echocardiogram) and invasive catheter measurements to check for elevated filling pr…

This study tested whether a pop-up alert in the electronic health record could remind doctors to screen for a rare but serious lung condition called chronic thromboembolic pulmonary hypertension (CTEPH) in patients who previously had a blood clot in the lungs. The trial involved …

This study looked at how closely 227 adults with precapillary pulmonary hypertension follow their prescribed diuretic (water pill) regimen. Researchers used questionnaires and pharmacy records to measure adherence and identify reasons for missed doses. The goal is to understand n…

This study looked at 24 people with high-altitude pulmonary hypertension who live above 2500 meters. Researchers measured their sleep breathing at 3200 meters and again after moving to 760 meters. The goal was to see if lower altitude improves oxygen levels and reduces breathing …

This study looked at 24 people with high altitude pulmonary hypertension who live above 8,200 feet. Researchers measured how far they could walk in 6 minutes at their home altitude (10,500 feet) and after moving to a lower altitude (2,500 feet). The goal was to see if relocating …

This study looked at 24 people with high altitude pulmonary hypertension (HAPH) who live above 2,500 meters. Researchers measured their lung blood pressure at 3,200 meters and then after moving to 760 meters for one night and seven nights. The goal was to see if simply being at a…

This study looked at whether giving extra oxygen can lower blood pressure in the lungs of people who live above 2500 meters and have high altitude pulmonary hypertension. Researchers measured heart changes with ultrasound in 48 highlanders while they breathed either oxygen or reg…

This study reviewed medical records of 59 adults with COPD to see if a standard pulmonary rehabilitation program is safe and effective for those who also have pulmonary hypertension (high blood pressure in the lungs). Researchers compared how much walking distance improved in peo…

This early-phase trial tested the safety and how the body processes an inhaled form of vardenafil (RT234) in 31 healthy adults. Participants received single and multiple doses of the drug via an inhaler or as a pill. The study is complete and focused on side effects and drug leve…

This completed study looked at 1,200 pregnant women with pulmonary hypertension (high blood pressure in the lungs) to see if long-term exposure to air pollution raises the risk of serious pregnancy complications like heart failure or death. Researchers analyzed medical records an…