**6. Limitations**

A prospective study interrogating the shared-care model has yet to be performed. While limited data points are available, and retrospective data such as that from the centers mentioned above, the viewpoints in this chapter should be validated in a true prospective study. Such data will better delineate clinical outcomes for shared-care patients, such as adverse events, quality of life, financial impact for patients and healthcare systems. Despite a lack of such studies, the shared-care model is currently being utilized across the country.
