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Brief Title: Diagnostic Study of Gene Alterations in Children Who Have Been Treated for Relapsed Acute Lymphocytic Leukemia
Official Title: The Incidence and Prognostic Significance of P16 INK4A/ P15 INK4B Gene Alterations in Children With Relapsed ALL Treated on CCG-1941
Study ID: NCT00003933
Brief Summary: RATIONALE: Diagnostic procedures, such as genetic testing, may improve the ability to detect acute lymphocytic leukemia and determine the extent of disease. PURPOSE: Diagnostic study to try to detect changes in the genes of children who have been treated for relapsed acute lymphocytic leukemia.
Detailed Description: OBJECTIVES: * Determine the incidence of p16/p15 homozygous deletions and p15 promoter hypermethylation in acute lymphocytic leukemia cells of children treated on protocol CCG-1941. * Determine the prognostic importance of p16/p15 abnormalities in these children. * Determine the presence or absence of p16/p15 abnormalities in the dominant clone at diagnosis if present at relapse in these patients. OUTLINE: Frozen cells are obtained from samples collected on protocol CCG-1941. DNA is isolated and examined using Southern blot analysis to assay for deletions and promoter hypermethylation of p16 and/or p15. PROJECTED ACCRUAL: Approximately 100 samples will be obtained for this study.
Minimum Age:
Eligible Ages: CHILD
Sex: ALL
Healthy Volunteers: No
Long Beach Memorial Medical Center, Long Beach, California, United States
Children's Hospital Los Angeles, Los Angeles, California, United States
Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, California, United States
Children's Hospital of Orange County, Orange, California, United States
UCSF Cancer Center and Cancer Research Institute, San Francisco, California, United States
David Grant Medical Center, Travis Air Force Base, California, United States
Children's Hospital of Denver, Denver, Colorado, United States
Children's National Medical Center, Washington, District of Columbia, United States
Shands Hospital and Clinics, University of Florida, Gainesville, Florida, United States
University of Chicago Cancer Research Center, Chicago, Illinois, United States
Indiana University Cancer Center, Indianapolis, Indiana, United States
Holden Comprehensive Cancer Center, Iowa City, Iowa, United States
University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan, United States
CCOP - Kalamazoo, Kalamazoo, Michigan, United States
University of Minnesota Cancer Center, Minneapolis, Minnesota, United States
Mayo Clinic Cancer Center, Rochester, Minnesota, United States
Children's Mercy Hospital, Kansas City, Missouri, United States
University of Nebraska Medical Center, Omaha, Nebraska, United States
Saint Peter's University Hospital, New Brunswick, New Jersey, United States
Cancer Institute of New Jersey, New Brunswick, New Jersey, United States
NYU School of Medicine's Kaplan Comprehensive Cancer Center, New York, New York, United States
Memorial Sloan-Kettering Cancer Center, New York, New York, United States
Mount Sinai School of Medicine, New York, New York, United States
Herbert Irving Comprehensive Cancer Center, New York, New York, United States
Lineberger Comprehensive Cancer Center, UNC, Chapel Hill, North Carolina, United States
Veterans Affairs Medical Center - Fargo, Fargo, North Dakota, United States
CCOP - Merit Care Hospital, Fargo, North Dakota, United States
Children's Hospital Medical Center - Cincinnati, Cincinnati, Ohio, United States
Ireland Cancer Center, Cleveland, Ohio, United States
Children's Hospital of Columbus, Columbus, Ohio, United States
Doernbecher Children's Hospital, Portland, Oregon, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States
Vanderbilt-Ingram Cancer Center, Nashville, Tennessee, United States
University of Texas - MD Anderson Cancer Center, Houston, Texas, United States
Children's Hospital and Regional Medical Center - Seattle, Seattle, Washington, United States
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States
University of Wisconsin Comprehensive Cancer Center, Madison, Wisconsin, United States
Princess Margaret Hospital for Children, Perth, Western Australia, Australia
British Columbia Children's Hospital, Vancouver, British Columbia, Canada
IWK Health Centre, Halifax, Nova Scotia, Canada
Name: Stephen P. Hunger, MD
Affiliation: University of Florida
Role: STUDY_CHAIR