Clinical Trials

Do you have symptoms of a lung disease (such as long-term wet cough, bronchiectasis, or recurrent pneumonia) with no genetic diagnosis? This study aims to develop new ways to diagnose primary ciliary dyskinesia (PCD) or 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 and tell the difference between these two conditions. Participants in this study must be 5 to 45 years old and must have symptoms of a serious lung disease but no diagnosis. This study is taking place at multiple locations in the United States and in Canada, including the NIH Clinical Center in Bethesda, Maryland.

Are you an adult with a non-tuberculous mycobacteria (NTM) infection? This study is testing the effectiveness of a medicine called clofazimine (Lamprene) to treat NTM. To participate in this study, you must be an adult with a NTM infection. This study is located at the NIH Clinical Center in Bethesda, Maryland.

Do you have bronchiectasis and get frequent lung infections? This study is exploring what causes frequent lung infections in people with bronchiectasis. Researchers will look at whether changes to a person's genes or immune system can raise the risk of these frequent infections. Participants in this study must be at least 5 years old and either healthy, diagnosed with bronchiectasis, or have a history of frequent lung infections. This study is located at the NIH Clinical Center in Bethesda, Maryland.

Are you a healthy adult or someone with a history of lung infections such as pneumonia or bronchitis? This study aims to compare fluid and tissue samples from the nose and lungs of healthy adults with people who have a lung disease. Researchers hope to learn why some people are more susceptible to certain infections. This study is located at the NIH Clinical Center in Bethesda, Maryland.

Do you or your child have PCD and want to help researchers better understand how cilia are formed? This study aims to identify the genes that control how cilia are formed. Cilia are hairlike structures that line the airways and protects the normal lung. The study will also identify how mutations to these genes can cause PCD. This study takes place in Chapel Hill, 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.

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.

The study is to investigate that the worsening orthostatic tachycardia and symptoms after glucose ingestion in POTS patients are due to a greater increase in splanchnic venous capacitance and excessive blood pooling during an orthostatic challenge.

Are you in need of a heart or lung transplant or have you had one in the past 3 months? Have you undergone a lung or heart transplant in the past 3 months or are you a candidate for heart or lung transplant? Some people with advanced heart and lung disease have heart and lung transplants but these new organs are often rejected. When this happens, patients must have repeated biopsies, which are invasive and expensive. Researchers in this clinical study want to see if a blood test can predict organ rejection and take the place of biopsies. To participate, you must be 18 to 80 years old and be a candidate for heart or lung transplant or have had a heart or lung transplant no more than three months ago. The study is taking place in Bethesda, Maryland, at the NIH Clinical Center, as well as in Baltimore, Maryland, and Falls Church, Virginia.

Are you considering a blood stem cell transplant? This study is investigating a new method for collecting blood stem cells from donors to see if it reduces transplant complications, such as rejection, in patients who have blood diseases. To participate in this study, you must have a well-matched donor; you and your donor must be between 4 and 80 years old; and you must not be a candidate for immunosuppressive therapy. This study is located in Bethesda, Maryland.