Hereditary pulmonary alveolar proteinosis
MONDO:0012580Congenital pulmonary alveolar proteinosis is a very rare primary interstitial lung disease due to pulmonary surfactant accumulation within the alveolar macrophages and alveoli, characterized by a variable clinical course ranging from an asymptomatic clinical presentation and spontaneous remission, to symptoms such as dyspnea and cough, or to severe respiratory failure.
Also known as: congenital PAP, congenital pulmonary alveolar proteinosis, hereditary pulmonary alveolar proteinosis, inborn error of pulmonary surfactant metabolism, inborn error of surfactant metabolism, pulmonary alveolar proteinosis, congenital, sufactant metabolism dysfunction, pulmonary
6 clinical trials for this condition and its sub-types.
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Could a malaria drug help kids with rare lung disease?
Disease control CompletedThis study looked at whether hydroxychloroquine, a medicine used for malaria and autoimmune conditions, can help children with a rare genetic lung disease that affects the lungs' natural cleaning fluid. 25 children took the drug, and researchers checked if their need for extra ox…
Sponsor: Children's Hospital of Fudan University • Aim: Disease control
Last updated Jun 27, 2026 11:03 UTC
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Could a simple amino acid ease a devastating lung condition?
Disease control CompletedThis study tested whether giving methionine (an amino acid) by mouth or feeding tube is safe and tolerable for children with a severe, inherited lung disease called pulmonary alveolar proteinosis. The disease is caused by a faulty MARS gene that prevents cells from using methioni…
Phase 1/2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 07:58 UTC
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Scientists investigate why rare lung disease develops in children
Knowledge-focused CompletedThis study looked at 20 children with a rare lung condition called pulmonary alveolar proteinosis (PAP) caused by changes in the MARS gene. Researchers wanted to understand if the lung cleaning cells (macrophages) are not working properly. They grew these cells in a lab from bloo…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:04 UTC