Patients taking QVAR RediHaler showed significantly greater improvement in trough FEV1 vs placebo over 12 weeks1,2:
- QVAR RediHaler 80 mcg/day: 0.124 L (LS mean change from placebo, P=0.0005)
- QVAR RediHaler 160 mcg/day: 0.116 L (LS mean change from placebo, P=0.001)
STUDY DESIGN:
Randomized, double-blind, placebo-controlled, parallel-group, 12-week clinical study of 270 patients 12 years of age and older with symptomatic asthma, 104 of whom had previously been treated with an ICS. Patients were randomized to receive either 40 mcg or 80 mcg of QVAR RediHaler twice daily or placebo. Primary endpoint was change in FEV1 from baseline through 12 weeks.2