European urology · 2012
Randomized double-blind, active-controlled phase 3 study to assess 12-month safety and efficacy of mirabegron, a β(3)-adrenoceptor agonist, in overactive bladder.
Клиническое исследование III фазыСтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Chapple Christopher R, Kaplan Steven A, Mitcheson David, Klecka Jiri, Cummings Jana, Drogendijk Ted, Dorrepaal Caroline, Martin Nancy
Аннотация
BACKGROUND: Despite several antimuscarinic treatment options for overactive bladder (OAB), there is still a need for distinct treatment approaches to manage this condition. Mirabegron, a β(3)-adrenoceptor agonist, has demonstrated efficacy and tolerability for up to 12 wk in phase 3 trials.
OBJECTIVE: To assess the 12-mo safety and efficacy of mirabegron.
DESIGN, SETTING, AND PARTICIPANTS: Patients ≥ 18 yr of age with OAB symptoms for ≥ 3 mo.
INTERVENTIONS: After a 2-wk single-blind placebo run-in, patients with eight or more micturitions per 24h and three or more urgency episodes in a 3-d micturition diary were randomized 1:1:1 to once-daily mirabegron 50mg, mirabegron 100mg, or tolterodine extended release (ER) 4 mg for 12 mo.
OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Primary variable: incidence and severity of treatment-emergent AEs (TEAEs). Secondary variables: change from baseline at months 1, 3, 6, 9, and 12 in key OAB symptoms.
RESULTS AND LIMITATIONS: A total of 812, 820, and 812 patients received mirabegron 50mg, mirabegron 100mg, and tolterodine ER 4 mg, respectively. Baseline demographic and OAB characteristics were similar across groups. TEAEs were reported in 59.7%, 61.3%, and 62.6% of patients, respectively; most were mild or moderate. Serious TEAEs were reported in 5.2%, 6.2%, and 5.4% of patients, respectively. The most common TEAEs were similar across groups. Dry mouth was reported by 2.8%, 2.3%, and 8.6% of patients, respectively. Adjusted mean changes from baseline to final visit in morning systolic blood pressure were 0.2, 0.4, and -0.5mm Hg for mirabegron 50mg, 100mg, and tolterodine ER 4 mg, respectively. Mirabegron and the active control, tolterodine, improved key OAB symptoms from the first measured time point of 4 wk, and efficacy was maintained throughout the 12-mo treatment period. The study was not placebo controlled, which was a limitation.
CONCLUSIONS: The safety and tolerability of mirabegron was established over 1 yr, with sustained efficacy observed over this treatment period.
TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT00688688.
OBJECTIVE: To assess the 12-mo safety and efficacy of mirabegron.
DESIGN, SETTING, AND PARTICIPANTS: Patients ≥ 18 yr of age with OAB symptoms for ≥ 3 mo.
INTERVENTIONS: After a 2-wk single-blind placebo run-in, patients with eight or more micturitions per 24h and three or more urgency episodes in a 3-d micturition diary were randomized 1:1:1 to once-daily mirabegron 50mg, mirabegron 100mg, or tolterodine extended release (ER) 4 mg for 12 mo.
OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Primary variable: incidence and severity of treatment-emergent AEs (TEAEs). Secondary variables: change from baseline at months 1, 3, 6, 9, and 12 in key OAB symptoms.
RESULTS AND LIMITATIONS: A total of 812, 820, and 812 patients received mirabegron 50mg, mirabegron 100mg, and tolterodine ER 4 mg, respectively. Baseline demographic and OAB characteristics were similar across groups. TEAEs were reported in 59.7%, 61.3%, and 62.6% of patients, respectively; most were mild or moderate. Serious TEAEs were reported in 5.2%, 6.2%, and 5.4% of patients, respectively. The most common TEAEs were similar across groups. Dry mouth was reported by 2.8%, 2.3%, and 8.6% of patients, respectively. Adjusted mean changes from baseline to final visit in morning systolic blood pressure were 0.2, 0.4, and -0.5mm Hg for mirabegron 50mg, 100mg, and tolterodine ER 4 mg, respectively. Mirabegron and the active control, tolterodine, improved key OAB symptoms from the first measured time point of 4 wk, and efficacy was maintained throughout the 12-mo treatment period. The study was not placebo controlled, which was a limitation.
CONCLUSIONS: The safety and tolerability of mirabegron was established over 1 yr, with sustained efficacy observed over this treatment period.
TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT00688688.
Предметные рубрики MeSH
AcetanilidesAdrenergic beta-3 Receptor AgonistsAgedBenzhydryl CompoundsConstipationCresolsDelayed-Action PreparationsDouble-Blind MethodFemaleHeadacheHumansHypertensionMaleMiddle AgedMuscarinic AntagonistsPhenylpropanolamineSingle-Blind MethodThiazolesTolterodine TartrateTreatment OutcomeUrinary Bladder, OveractiveUrinary Incontinence, UrgeUrinary RetentionXerostomia