Choanal atresia
MONDO:0012155Choanal atresia (CA) is a congenital anomaly of the posterior nasal airway characterized by the obstruction of one (unilateral) or both (bilateral) choanal aperture(s), with clinical manifestations ranging from acute respiratory distress to chronic nasal obstruction.
Also known as: atresia of nares, PCA, choanal atresia, POSTERIOR
10 clinical trials for this condition and its sub-types.
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Broader categories
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New breath test could replace painful lung scopes
Knowledge-focused ENROLLING_BY_INVITATIONThis study aims to see if a simple, non-invasive breathing test can accurately measure the acidity (pH) in the airways, which is often abnormal in lung diseases. Researchers will compare results from this breath test with standard methods in 150 healthy volunteers and people with…
Phase: PHASE2 • Sponsor: Indiana University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Mayo clinic launches major brain disease tracking study
Knowledge-focused ENROLLING_BY_INVITATIONThis study aims to learn more about diseases that affect the brain, such as Parkinson's disease and different types of dementia. Researchers will follow 500 adults with symptoms of these conditions over time, using brain scans and genetic tests to see how the diseases progress. T…
Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC