Study to Evaluate the Safety and Efficacy of Pegvaliase in Adolescents (Ages 12-17) With Phenylketonuria

University of Pittsburgh Medical Center, Pittsburgh

University of Virginia School of Medicine, Charlottesville

University of South Florida, Tampa

University of Kentucky College of Medicine, Lexington

IU Health University Hospital, Indianapolis

Children's Hospital of Wisconsin, Milwaukee

Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago

Arkansas Children's Hospital, Little Rock

McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth), Houston

Children's Hospital of Colorado, Aurora

University of Utah Medical Center, Salt Lake City

Phoenix Children's Hospital, Phoenix

Boston Children's Hospital, Boston

Charité - Universitätsmedizin Berlin, Berlin

Universitätsklinikum Hamburg-Eppendorf, Hamburg

Universitat Mainz, Mainz