Find NHLBI Clinical Trials

Search selected NHLBI-supported clinical trials and observational studies by condition, location, or age group. You can also view the complete list of NHLBI-funded studies at ClinicalTrials.gov.

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Showing 161 - 170 out of 170 results
Recruiting
Massachusetts
Are you an adult with severe asthma who plans to have bronchial thermoplasty treatment? This study is using a new imaging technique, called optical coherence tomography, to examine the airways in people with asthma before and after a treatment called bronchial thermoplasty. This treatment is minimally invasive and reduces asthma symptoms by using heat to shrink smooth muscle within the lungs. To participate in this survey, you must be between 18 and 60 years old. This study takes place in Boston, Massachusetts.
Adult
Recruiting
Are you a 30- to 55-year-old smoker or non-smoker who would like to support better understanding of COPD risk factors? This study aims to find early signs of COPD in adults who have a high risk of this condition. Researchers will compare results from questionnaires, lung tests, and other tests in people who smoke and in people who do not smoke to look for factors that predict which people will develop COPD. To participate in this study, you must either currently smoke or have no history of smoking. This study takes place in multiple locations in the United States.
Adult
Accepting Healthy Volunteers
Recruiting
Missouri
North Carolina
Do you or your child have primary ciliary dyskinesia (PCD) or primary immune deficiency (PID)? This study aims to identify genes that cause these two conditions, which can have similar symptoms. The results from this study will help researchers find new ways to treat breathing and hearing problems caused by these two conditions in a cross-sectional cohort of patients with PCD and PID. Participants in this study must be 5 to 45 years old. This study is taking place at multiple locations in the United States and in Canada.
Child, Adult
Recruiting
Do you or your child have symptoms of a serious lung disease but no diagnosis? This study aims to develop new ways to diagnose primary ciliary dyskinesia (PCD) and primary immune deficiency (PID), two conditions that can have similar symptoms. Researchers will combine information from genetic testing, lung imaging, and lung function tests to diagnose ant tell the difference between these two conditions. Participants in this study must be 5 to 45 years old. This study is taking place at multiple locations in the United States and in Canada.
Child, Adult
Recruiting
Maryland
Do you have pulmonary hypertension or scleroderma? This study aims to understand how scleroderma, a skin condition, can raise the risk of pulmonary hypertension and heart failure. The study will also test whether treatments for pulmonary hypertension in people who do not have scleroderma are effective in people who have both pulmonary hypertension and scleroderma. To participate in this study, you must be at least 18 years old and must have either pulmonary hypertension or scleroderma. This study is located in Maryland.
Adult, Older Adult
Recruiting
Massachusetts
Are you an adult with obstructive sleep apnea? This study is examining how using continuous positive airway pressure (CPAP) to treat sleep apnea affects a person’s blood oxygen levels, heart rate, and quality of sleep. To participate in this study, you must be between 20 and 80 years old with moderate to severe obstructive sleep apnea. This study takes place in Boston, Massachusetts.
Adult, Older Adult
Recruiting
Massachusetts
Are you a transportation shift worker? This study is testing new methods to raise awareness about obstructive sleep apnea in this group. The study will test whether personalized messages can help encourage participants to get tested for sleep apnea and to stick to their treatment plans. This study takes place in Boston, Massachusetts.
All Ages
Accepting Healthy Volunteers
Recruiting
Florida
Ohio
Pennsylvania
Do you have a child with Down syndrome and obstructive sleep apnea who is treated with positive airway pressure (PAP)? This study is testing a new intervention that was informed by the families to help children with Down syndrome and obstructive sleep apnea stick to their PAP treatment. The study will test the effectiveness of a new treatment plan that involves regular telephone and in-person check-ins with a PAP specialist. This study is for 6 -18 year old and is located in Cincinnati, Ohio; and Philadelphia, Pennsylvania.
Child, Adult