Abstract
Overactive bladder (OAB) is a clinical syndrome describing the symptom complex of urgency, with or without urgency incontinence, and is usually associated with frequency and nocturia. It is a common, under-diagnosed and therefore under-treated condition that can have a detrimental effect on physical functioning and psychological well-being. Initial treatment of OAB includes lifestyle advice, behavioural modifications, bladder retraining and pelvic floor muscle training, usually in combination with antimuscarinic agents. The β3-adrenoceptor agonist mirabegron is the first of a new class of drugs that are now competing with the more established antimuscarinics for the treatment of OAB. Our review focuses on the mode of action, efficacy and tolerability of mirabegron. The place of β3-adrenoceptor agonists in the treatment algorithm of OAB is discussed, considering the adverse events associated with antimuscarinics. Drug therapy tailored to different population groups appears a promising future prospect. Development of other β3-adrenoceptor agonists is expected, and combination therapy regimens might revolutionise the treatment of OAB.
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Dr Giarenis has received speaker honoraria and travel expenses from Astellas. Mr Robinson has been a consultant to Allergan, Astellas, Ferring, and Pfizer and has received speaker honoraria from Allergan, Astellas, Ferring and Pfizer. Professor Cardozo has been a consultant to Allergan and Astellas and has received speaker honoraria from Astellas and Allergan. Their institution (King’s College Hospital) has received trial funding from Allergan, Astellas and Pfizer.
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Giarenis, I., Robinson, D. & Cardozo, L. Overactive Bladder and the β3-Adrenoceptor Agonists: Current Strategy and Future Prospects. Drugs 75, 1707–1713 (2015). https://doi.org/10.1007/s40265-015-0456-0
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DOI: https://doi.org/10.1007/s40265-015-0456-0