Croup

MONDO:0005722

Acute upper respiratory airways infection that results in the swelling of the larynx. It is usually caused by parainfluenza viruses. Signs include a characteristic barking cough and stridor.

Also known as: acute laryngotracheobronchitis, acute obstructive laryngitis, acute laryngotracheitis

51 clinical trials for this condition and its sub-types, 5 tagged with Croup itself.

Follow this condition to get notified about new trials

Where it sits in the disease tree

Browse by category →

Part of

↑ Bronchitis (50) ↑ Acute laryngitis (6) ↑ Laryngotracheitis (5)

Including sub-types (51) Tagged with Croup (5)

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

Could a nasal spray vaccine stop croup in kids?

Vaccine Paused

This study tests an experimental nasal vaccine made from a harmless virus (Sendai virus) that is similar to the one causing croup. The goal is to see if it is safe and helps children ages 1 to 5 build protection against croup. About 54 children will receive the vaccine as nose dr…

Phase 1 • Sponsor: St. Jude Children's Research Hospital • Aim: Vaccine

Last updated Jun 27, 2026 12:02 UTC

Croup

Where it sits in the disease tree

Could a nasal spray vaccine stop croup in kids?