Choanal atresia, unilateral
MONDO:0015312Unilateral choanal atresia is a, usually sporadic, congenital anomaly that is more commonly seen in females than in males (2:1), where the nose is blocked by bony or soft tissue formed during embryologic development on only one side (more commonly on the right side) and which is characterized by nasal obstruction and rhinorrhea, usually presenting at birth but that may go undetected until a respiratory infection aggravates the condition.
6 clinical trials for this condition and its sub-types.
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Can a simple breath test diagnose diseases in children?
Knowledge-focused Recruiting nowThis study aims to see if analyzing the chemicals in a child's breath can help diagnose and monitor diseases like asthma, neurological disorders, and type 1 diabetes. Researchers will collect breath samples from up to 3,600 children and teens to find patterns linked to these cond…
Sponsor: University Children's Hospital Basel • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:30 UTC
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Scientists gather data to unlock secrets of hearing and balance
Knowledge-focused Recruiting nowThis study collects medical information and samples from people with hearing, balance, taste, smell, voice, speech, or language disorders. Researchers aim to use this data for future studies and to find candidates for other research. Participants receive standard care, and no exp…
Sponsor: National Institute on Deafness and Other Communication Disorders (NIDCD) • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:24 UTC