50,000 childhood cancer survivors join landmark Long-Term health study
NCT ID NCT01120353
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study follows about 50,000 people who survived childhood cancer (diagnosed before age 21 between 1970 and 1999) and 10,000 of their siblings. Researchers want to understand how cancer treatments like radiation, chemotherapy, and surgery affect health years later. By comparing survivors to siblings, they hope to identify risks and improve follow-up care.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this study could reveal which treatments cause late health problems, helping doctors improve future cancer care and survivor monitoring.
- What could go wrong
- This is an observational study, not a treatment trial. It cannot prove cause and effect, and results may take years to influence practice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
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Locations
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Ana & Robert H. Lurie Children's Hospital of Chicago
RECRUITINGChicago, Illinois, 60611-2605, United States
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Children's Hospital Colorado
RECRUITINGAurora, Colorado, 80045, United States
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Children's Hospital Los Angeles
RECRUITINGLos Angeles, California, 90027, United States
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Children's Hospital of Orange County
RECRUITINGOrange, California, 92868, United States
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Children's Hospital of Philadelphia
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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Children's Hospital of Pittsburgh
RECRUITINGPittsburgh, Pennsylvania, 15213, United States
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Children's Hospitals & Clinics of Minnesota
RECRUITINGMinneapolis, Minnesota, 55404, United States
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Children's National Medical Center
RECRUITINGWashington D.C., District of Columbia, 20010, United States
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City of Hope National Medical Center
RECRUITINGDuarte, California, 91010, United States
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Cook Children's Medical Center
RECRUITINGFort Worth, Texas, 76104, United States
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Dana-Farber Cancer Institute
RECRUITINGBoston, Massachusetts, 02215, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Emory University/Children's Health Care of Atlanta
RECRUITINGAtlanta, Georgia, 30322, United States
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Indiana University/Riley Hospital for Children
RECRUITINGIndianapolis, Indiana, 46202, United States
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M.D. Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Mayo Clinic
COMPLETEDRochester, Minnesota, 55905, United States
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Memorial-Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Nationwide Children's Hospital
RECRUITINGColumbus, Ohio, 43205, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Roswell Park Cancer Institute
RECRUITINGBuffalo, New York, 14263, United States
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Seattle Children's Hospital
RECRUITINGSeattle, Washington, 98105, United States
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St. Jude Children's Research Hospital
RECRUITINGMemphis, Tennessee, 38105, United States
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St. Louis Children's Hospital/The Washington University
RECRUITINGSt Louis, Missouri, 63130, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Stanford University School of Medicine
RECRUITINGStanford, California, 94305, United States
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Texas Children's Hospital
RECRUITINGHouston, Texas, 77030, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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The Hospital for Sick Children
RECRUITINGToronto, Ontario, M5G-1XB, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Alabama at Birmingham/Children's of Alabama
RECRUITINGBirmingham, Alabama, 35294, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of California-Los Angeles
RECRUITINGLos Angeles, California, 90095, United States
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University of California-San Francisco
RECRUITINGSan Francisco, California, 94143, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Chicago
RECRUITINGChicago, Illinois, 60637, United States
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University of Michigan/Mott Children's Hospital
RECRUITINGAnn Arbor, Michigan, 48109, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Minnesota
COMPLETEDMinneapolis, Minnesota, 55455, United States
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University of Texas Southwestern Medical Center
COMPLETEDDallas, Texas, 75390, United States
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