Clofarabine and Cytarabine in Treating Young Patients With Refractory or Relapsed Acute Myeloid Leukemia or Acute Lymphoblastic Leukemia

Herbert Irving Comprehensive Cancer Center at Columbia University Medical Center, New York

SUNY Upstate Medical University Hospital, Syracuse

James P. Wilmot Cancer Center at University of Rochester Medical Center, Rochester

Children's Hospital of Pittsburgh of UPMC, Pittsburgh

Alfred I. duPont Hospital for Children, Wilmington

Lombardi Comprehensive Cancer Center at Georgetown University Medical Center, Washington D.C.

Alvin and Lois Lapidus Cancer Institute at Sinai Hospital, Baltimore

Carilion Medical Center for Children at Roanoke Community Hospital, Roanoke

Palmetto Health South Carolina Cancer Center, Columbia

Greenville Hospital Cancer Center, Greenville

AFLAC Cancer Center and Blood Disorders Service of Children's Healthcare of Atlanta - Egleston Campus, Atlanta

Nemours Children's Clinic, Jacksonville

Nemours Children's Clinic - Pensacola, Pensacola

Nemours Children's Clinic - Orlando, Orlando

St. Joseph's Cancer Institute at St. Joseph's Hospital, Tampa

Lee Cancer Care of Lee Memorial Health System, Fort Myers

UAB Comprehensive Cancer Center, Birmingham

Kosair Children's Hospital, Louisville

Cleveland Clinic Taussig Cancer Center, Cleveland

St. Vincent Indianapolis Hospital, Indianapolis

Helen DeVos Children's Hospital at Spectrum Health, Grand Rapids

Midwest Children's Cancer Center at Children's Hospital of Wisconsin, Milwaukee

Marshfield Clinic - Marshfield Center, Marshfield

Masonic Cancer Center at University of Minnesota, Minneapolis

Mayo Clinic Cancer Center, Rochester

Children's Memorial Hospital - Chicago, Chicago

Siteman Cancer Center at Barnes-Jewish Hospital - Saint Louis, St Louis

Children's Mercy Hospital, Kansas City

Ellis Fischel Cancer Center at University of Missouri - Columbia, Columbia

Simmons Comprehensive Cancer Center at University of Texas Southwestern Medical Center - Dallas, Dallas

Cook Children's Medical Center - Fort Worth, Fort Worth

University of Texas Health Science Center at San Antonio, San Antonio

Driscoll Children's Hospital, Corpus Christi

Children's Hospital Colorado Center for Cancer and Blood Disorders, Aurora

Southern California Permanente Medical Group, Downey

Jonathan Jaques Children's Cancer Center at Miller Children's Hospital, Long Beach

Children's Hospital of Orange County, Orange

UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco

Cancer Research Center of Hawaii, Honolulu

Legacy Emanuel Hospital and Health Center and Children's Hospital, Portland

Children's Hospital and Regional Medical Center - Seattle, Seattle

Children's Hospital Central California, Madera

Rady Children's Hospital - San Diego, San Diego

Children's National Medical Center, Washington D.C.

Curtis and Elizabeth Anderson Cancer Institute at Memorial Health University Medical Center, Savannah

University of Illinois Cancer Center, Chicago

Simmons Cooper Cancer Institute, Springfield

Indiana University Melvin and Bren Simon Cancer Center, Indianapolis

Tulane Cancer Center Office of Clinical Research, Alexandria

CancerCare of Maine at Eastern Maine Medical Center, Bangor

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore

UMASS Memorial Cancer Center - University Campus, Worcester

C.S. Mott Children's Hospital at University of Michigan Medical Center, Ann Arbor

University of Mississippi Cancer Clinic, Jackson

CCOP - Nevada Cancer Research Foundation, Las Vegas

Hackensack University Medical Center Cancer Center, Hackensack

Overlook Hospital, Morristown

Cancer Institute of New Jersey at UMDNJ - Robert Wood Johnson Medical School, New Brunswick

Newark Beth Israel Medical Center, Newark

St. Joseph's Hospital and Medical Center, Paterson

Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill, Chapel Hill

Blumenthal Cancer Center at Carolinas Medical Center, Charlotte

Presbyterian Cancer Center at Presbyterian Hospital, Charlotte

Cincinnati Children's Hospital Medical Center, Cincinnati

Rainbow Babies and Children's Hospital, Cleveland

Nationwide Children's Hospital, Columbus

Dayton Children's - Dayton, Dayton

Penn State Children's Hospital, Hershey

Children's Hospital of Philadelphia, Philadelphia

Vanderbilt-Ingram Cancer Center, Nashville

Baylor University Medical Center - Houston, Houston

Primary Children's Medical Center, Salt Lake City

Children's Hospital of The King's Daughters, Norfolk

Providence Cancer Center at Sacred Heart Medical Center, Spokane

CancerCare Manitoba, Winnipeg

IWK Health Centre, Halifax

Hospital for Sick Children, Toronto

Hopital Sainte Justine, Montreal

Allan Blair Cancer Centre at Pasqua Hospital, Regina