A Study to Compare How Much Solifenacin Succinate and Mirabegron Reach the Blood When Administered Together as Fixed-dose Combination Tablets and With Single Individual Tablets of the Same Medications at Three Dose Levels

Inclusion Criteria: * Male subject must agree to not donate semen from the day of first dosing until 3 months after last discharge and practice an effective contraceptive method with female sexual partners to prevent pregnancy. * Female subject must be of non-child bearing potential, i.e. postmenopausal, surgically sterilized, hysterectomy in medical history, or practicing highly effective non-hormonal birth control. Exclusion Criteria: * Female subject who is pregnant, has been pregnant within 6 months before screening or breast-feeding within 3 months before screening. * Known or suspected hypersensitivity to solifenacin succinate, mirabegron or any components of the formulations used. * The subject has/had febrile illness or symptomatic, viral, bacterial (including upper respiratory infection), or fungal (non-cutaneous) infection within 1 week prior to admission to the clinical unit. * Any significant blood loss, donated one unit (450 mL) of blood or more, or received a transfusion of any blood or blood products within 60 days or donated plasma within 7 days prior to clinic admission on Day -1.