Study of Clofarabine in Patients With Recurrent or Refractory Langerhans Cell Histiocytosis and LCH-related Disorders

Mount Sinai Medical Center, New York

The Children's Hospital of Pennsylvania, Philadelphia

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

St. Jude Children's Research Hospital, Memphis

Cincinnati Children's Hospital Medical Center, Cincinnati

Arkansas Children's Hospital, Little Rock

Texas Children's Hospital, Houston

Phoenix Children's Hospital, Phoenix

Children's Hospital of Los Angeles, Los Angeles

University of California San Francisco Medical Center, San Francisco

Massachusetts General Hospital, Boston

Boston Children's Hospital, Boston

Dana-Farber Cancer Institute, Boston

Dana-Farber Cancer Institute, Boston

The Hospital for Sick Children, Toronto