VPI-OPS is a collaboration of surgeons, speech-language pathologists, and researchers from more than 13 hospitals and clinics in the United States and Canada. The study is led by a team of researchers at Phoenix Children’s who are responsible for making sure the study is run safely.

VPI-OPS Research Centers

VPI-OPS Research Centers help coordinate the study across each site, make sure participants data is safe and secure, and help compare outcomes of the different surgeries. These research centers include:

Research reported on this page is supported by the National Institute of Dental & Craniofacial Research of the National Institutes of Health under Award Number U01DE029750. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.