A Study of Vibegron in Pediatric Participants 2 Years to Less Than (<) 18 Years of Age With NDO and on CIC

Inclusion Criteria: * Male or female participants, age 2 years to \< 18 years at the Screening Visit. Participants age 12 to \< 18 years (Cohort 1) must weigh at least 29.5 kilograms (kg). Participants age 2 to \< 12 years (Cohort 2) must weigh at least 11 kg. * Participant has been diagnosed with NDO due to one of the following: spinal dysraphism, which includes spina bifida (eg, myelomeningocele, meningocele) and all forms of tethered cord; or acquired NDO from a spinal cord injury or spinal cord surgery, with the injury/surgery having occurred at least 6 months prior to the Screening Visit; or acquired NDO due to transverse myelitis with diagnosis at least 12 months prior to the Screening Visit. * Participant undergoes CIC at least 3 times per 24 hours (with the last CIC performed prior to going to sleep for the night) for at least 4 weeks prior to the Screening Visit. Exclusion Criteria: * Participant has cerebral palsy, uncontrolled epilepsy, diabetes insipidus, or Stage 2 hypertension * Participant has an active malignancy in the 12 months prior to the Screening Visit. * Participant has been administered intravesical botulinum toxin within 9 months prior to the Screening Visit and should remain off this therapy during the study. * Participant is taking digoxin or lithium within 10 days prior to Screening Visit or plans to start taking either during the study. * Participant currently uses or plans to use a baclofen pump during the study. * Participant has urethral dil…