FDA Approves Budesonide/Formoterol Fumarate Dihydrate for COPD
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FDA Approves Budesonide/Formoterol Fumarate Dihydrate for COPD

NEW YORK -- February 27, 2009 -- The US Food and Drug Administration (FDA) has approved budesonide/formoterol fumarate dihydrate (Symbicort) 160/4.5 mcg for the twice-daily maintenance treatment of airflow obstruction in patients with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema.

The approval is based on results from 2 pivotal phase 3 trials that evaluated more than 3,600 patients aged 40 years and older with moderate to very severe COPD.

The studies demonstrated that patients using budesonide/formoterol fumarate dihydrate 160/4.5 mcg had significantly greater mean improvements from baseline in predose forced expiratory volume in 1 second (FEV1) averaged over the treatment period compared with formoterol 4.5 mcg and placebo.

Patients taking budesonide/formoterol fumarate dihydrate had significantly greater mean improvements from baseline in 1-hour postdose FEV1 averaged over the treatment period compared with budesonide 160 mcg and placebo. Furthermore, the median time to onset of significant bronchodilation (>=15% improvement in FEV1) was 5 minutes.

Budesonide/formoterol fumarate dihydrate was generally well tolerated over the 12-month study, and the incidence of pneumonia was no different for patients taking budesonide/formoterol fumarate dihydrate compared with placebo-treated patients.

There was a higher incidence of potential lung infections other than pneumonia (eg, bronchitis and viral lower respiratory tract infections) in patients receiving budesonide/formoterol fumarate dihydrate than in those receiving formoterol or placebo.

The most common drug-related adverse events reported were nasopharyngitis, oral candidiasis, bronchitis, sinusitis, and viral upper respiratory tract infection.

SOURCE: AstraZeneca

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