Treatment options in idiopathic subglottic stenosis: protocol for a prospective international multicentre pragmatic trial.

Alexander GelbardYu ShyrLynne BerryAlexander T HillelDale C EkbomEric S EdellJan L KasperbauerDavid G LottDonald T DonovanC Gaelyn GarrettGuri SandhuJames J DanieroJames L NettervilleJosh S SchindlerMarshall E SmithPaul C BrysonRobert R LorenzDavid O Francis

Published in: BMJ open (2018)

NCT02481817.

Keyphrases

study protocol
randomized controlled trial
clinical trial
open label
phase iii
phase ii
double blind
placebo controlled