To characterize the demographics and clinical course of the patient population diagnosed with UCD
To track growth and neurocognitive outcomes for patients with UCDs.
To generate comparative effectiveness data in UCD patients.
This is a multi-center, prospective, non-interventional study designed to collect data on safety and outcomes in patients with UCDs. It is designed to permit all interested healthcare providers to participate as Investigators, and all interested patients to participate. No controls are planned. Patients enrolled in this registry will be required to provide a select set of data at baseline and to undergo regular office visits and data collection, as indicated in Appendix A.