Testing the Combination of XL184 (Cabozantinib), Nivolumab, and Ipilimumab for Poorly Differentiated Neuroendocrine Tumors

University of Pittsburgh Cancer Institute (UPCI), Pittsburgh

MedStar Georgetown University Hospital, Washington D.C.

Sibley Memorial Hospital, Washington D.C.

Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore

VCU Massey Comprehensive Cancer Center, Richmond

Wake Forest University at Clemmons, Clemmons

Wake Forest University Health Sciences, Winston-Salem

Wake Forest Baptist Health - Wilkes Medical Center, Wilkesboro

University of Florida Health Science Center - Gainesville, Gainesville

Moffitt Cancer Center, Tampa

University of Alabama at Birmingham Cancer Center, Birmingham

Vanderbilt University/Ingram Cancer Center, Nashville

University of Kentucky/Markey Cancer Center, Lexington

Ohio State University Comprehensive Cancer Center, Columbus

Wayne State University/Karmanos Cancer Institute, Detroit

Weisberg Cancer Treatment Center, Farmington Hills

Northwestern University, Chicago

Washington University School of Medicine, St Louis

Siteman Cancer Center-South County, St Louis

Siteman Cancer Center at Christian Hospital, St Louis

Siteman Cancer Center at West County Hospital, Creve Coeur

Siteman Cancer Center at Saint Peters Hospital, City of Saint Peters

University of Kansas Cancer Center - Lee's Summit, Lee's Summit

University Health Truman Medical Center, Kansas City

University of Kansas Cancer Center at North Kansas City Hospital, North Kansas City

University of Kansas Cancer Center - North, Kansas City

Lawrence Memorial Hospital, Lawrence

The University of Kansas Cancer Center - Olathe, Olathe

University of Kansas Clinical Research Center, Fairway

University of Kansas Hospital-Westwood Cancer Center, Westwood

University of Kansas Cancer Center-Overland Park, Overland Park

University of Kansas Health System Saint Francis Campus, Topeka

Mercy Hospital Pittsburg, Pittsburg

Salina Regional Health Center, Salina

HaysMed, Hays

Farmington Health Center, Farmington

University of Utah Sugarhouse Health Center, Salt Lake City

Huntsman Cancer Institute/University of Utah, Salt Lake City

Banner University Medical Center - Tucson, Tucson

University of Arizona Cancer Center-North Campus, Tucson

Los Angeles General Medical Center, Los Angeles

USC / Norris Comprehensive Cancer Center, Los Angeles

City of Hope Comprehensive Cancer Center, Duarte

UC Irvine Health/Chao Family Comprehensive Cancer Center, Orange

Dartmouth Hitchcock Medical Center/Dartmouth Cancer Center, Lebanon

University Health Network-Princess Margaret Hospital, Toronto