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.
Mean predose forced expiratory volume in 1 second (FEV1) (with 95% confidence interval) during the core study (per-protocol set).
FP/FORM, fluticasone propionate/formoterol fumarate; FP/SAL, fluticasone propionate/salmeterol xinafoate. Core study: day 0 to day 84.
