Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2010 Jun 27;65(8):747–752. doi: 10.1136/thx.2009.128504

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2010, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

PMC Copyright notice

Study designs for double-blind single maintenance and reliever therapy (SMART) studies. (A) Comparison of inhaled corticosteroid (ICS) monotherapy with ICS/long-acting β agonist (LABA).¹⁵ (B) Comparison of ICS monotherapy with ICS/LABA.¹⁶ (C) Comparison of ICS monotherapy with two doses of ICS/LABA, SMART being the higher dosage ICS/LABA treatment arm.¹⁷ (D) Comparison of three ICS/LABA treatment arms: with short-acting β₂ agonist, with additional LABA or with additional ICS and additional LABA.¹⁹ BUD, budesonide; FORM, formoterol.