Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group Studies


About this study

This clinical trial is studying long-term follow-up in patients who are or have participated in Children's Oncology Group studies. Developing a way to track patients enrolled in Children's Oncology Group studies will help doctors gather long-term follow-up information and may help the study of cancer in the future.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Must be enrolled on a front line COG therapeutic trial for treatment of a primary malignancy OR must have been enrolled on a COG (or Legacy Group) therapeutic or non-therapeutic trial calling for long-term follow-up by ALTE05N1:
    • Hodgkin lymphoma
      • CCG-5942
      • POG-9425
      • POG-9426
      • COG-AHOD0031
      • COG - AHOD1331
      • SWOG - S1826
    • Brain tumor
      • CCG-A9961
    • Acute lymphoblastic leukemia
      • POG - 9404
    • Osteosarcoma
      • POG - 9754
    • Stem Cell Transplantation
      • ASCT0631D
    • Rhabdomyosarcoma
      • IRSG-III
        • CCSG631
        • IRS X8498
      • IRSG - IV
        • CCSG 671
        • CCG 6881
        • CCG 6901
        • CCG 6902
        • CCG 6903
        • POG 8788
        • POG 8889
        • POG 9150
        • POG 9151
        • POG 9152
        • IRS 8797
        • IRS 9198
  • Must reside in the U.S. during trial enrollment

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Wendy Allen-Rhoades, M.D., Ph.D.

Open for enrollment

Contact information:

Cancer Center Clinical Trials Referral Office

(855) 776-0015

More information


Publications are currently not available

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