“…The symptomatic burden of OAB is significant, with symptoms disrupting daily activities, sleep, mental health, and personal relationships 4,5 . Furthermore, OAB symptoms have a negative impact on health-related quality-of-life (HRQoL) 4,6,7 , and there is evidence that comorbidities such as depression, fractures, skin infections, and urinary tract infections may be associated directly with OAB 8 . In the US, the cost of OAB was estimated to be $65.9 billion in 2010, with $49.1 billion of direct medical costs; this was projected to increase to $76.2 billion and $82.6 billion in 2015 and 2020, respectively 9 .…”