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  • Title: A multinational, 12-week, randomized study comparing the efficacy and tolerability of ciclesonide and budesonide in patients with asthma.
    Author: Hansel TT, Benezet O, Kafé H, Ponitz HH, Cheung D, Engelstätter R, Barnes PJ.
    Journal: Clin Ther; 2006 Jun; 28(6):906-20. PubMed ID: 16860173.
    Abstract:
    BACKGROUND: Ciclesonide is a new lung-activated inhaled corticosteroid (ICS) that has shown efficacy in previous placebo-controlled and comparative studies in patients with persistent asthma. It is important to compare new treatments with existing ICSs to obtain relative data concerning their efficacy and tolerability. OBJECTIVE: This study compared the efficacy and tolerability of ciclesonide QD with budesonide BID in patients with asthma. METHODS: This 12-week, randomized study was conducted at 62 study sites across Europe. Male and female patients aged 12 to 75 years with primarily mild to moderate asthma were enrolled. This study was double blind with respect to the ciclesonide dose and open label for budesonide, as placebofor budesonide was not available. Patients were randomly assigned to receive inhaled ciclesonide 80 or 320 microg QD (morning) or budesonide 200 microg BID for 12 weeks. Efficacy and tolerability assessments were performed at weeks 0 (baseline), 4, 8, and 12. The primary end point was the change from baseline in forced expiratory volume in 1 second (FEV1) at 12 weeks. Secondary end points were changes from baseline in morning peak expiratory flow (PEF), asthma symptom scores, and rescue medication use. Tolerability was assessed throughout the study by monitoring of standard laboratory variables (hematology and biochemistry); physical examination, including vital signs; reporting of adverse events (AEs); and 24-hour urinary cortisol as a measure of hypothalamic-pituitary-adrenal-axis function. RESULTS: Five hundred fifty-four patients were randomized (301 men, 253 women; mean age, 41.3 years; ciclesonide 80 microg QD, 182 patients; ciclesonide 320 microg QD, 195; budesonide 200 microg BID, 177). Demographic and baseline clinical characteristics, including age, sex, weight, and (FEV1) were similar between the 3 groups. Compared with baseline values, week-12 FEV1 (least squares mean [LSM] [SEM] A, +0.267 [0.035], +0.256 [0.033], and +0.355 [0.034] L, respectively; all, P<0.001) and morning PEF (LSM [SEM] Delta, +12 [5], +17 [4], and +21 [4] L/min, respectively; all, P<or=0.008) were significantly improved with ciclesonide 80 and 320 microg QD and budesonide 200 microg BID. At 12 weeks, ciclesonide was found to be noninferior to budesonide with regard to mean changes from baseline in (FEV1) (intent to treat [ITT]: 97.5% CI for ciclesonide 80 microg QD vs budesonide 200 microg BID, -0.192 to 0.015; 97.5 CI for ciclesonide 320 microg QD vs budesonide 200 microg BID, -0.200 to 0.001) and morning PEF (ITT. 97.5% CI for ciclesonide 80 microg QD vs budesonide 200 microg BID, -22 to 5; 97.5% CI for ciclesonide 320 microg QD vs budesonide 200 microg BID, -17 to 10). Similar findings were seen in the per-protocol population. Week-12 daily, daytime, and nighttime asthma symptom scores and rescue medication use were significantly decreased from baseline in all 3 treatment groups (all, P<0.001). The prevalences of AEs were similar across all 3 treatment groups. Week-12 mean urinary cortisol excretion was statistically similar to baseline with both ciclesonide doses (Delta, -0.54 and +0.16 nmol/mmol creatinine with ciclesonide 80 and 320 microg QD, respectively) but was significantly reduced from baseline with budesonide (Delta, -1.42 nmol/mmol creatinine; P<0.05). CONCLUSIONS: The results of this study in patients with primarily mild to moderate asthma suggest that ciclesonide 80 and 320 microg QD were similar to budesonide 200 microg BID in improving pulmonary function, controlling asthma symptoms, and reducing the need for rescue medication use. Unlike budesonide, ciclesonide was not associated with significant urinary cortisol suppression in these patients.
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