Choanal atresia

MONDO:0012155

Choanal 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

4 clinical trials for this condition and its sub-types, 4 tagged with Choanal atresia itself.

Follow this condition to get notified about new trials

Where it sits in the disease tree

Browse by category →

Part of

↑ Nasal cavity disorder (226) ↑ Hereditary otorhinolaryngologic disease (102)

Sub-types of Choanal atresia

Choanal atresia, bilateral 0 trials
Choanal atresia, unilateral 0 trials

Including sub-types (4) Tagged with Choanal atresia (4)

Trials to join now! 2 Not yet recruiting 1 Not yet finished but already full! 1

New study aims to find best surgery for babies born with blocked nose

Disease control Not yet recruiting

This study compares two surgical techniques for infants born with choanal atresia, a condition where the nasal passages are blocked. Thirty infants up to 6 years old will receive either a puncture with mitomycin C or a flap technique. The goal is to see which method keeps the air…

Sponsor: Assiut University • Aim: Disease control

Last updated Jun 26, 2026 17:03 UTC

Choanal atresia

Where it sits in the disease tree

New study aims to find best surgery for babies born with blocked nose