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. If you need assistance understanding the eligibility criteria, please contact the study team.

Inclusion Criteria:

  • Must be newly diagnosed with a primary malignancy and 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, including any of the following:
    • Hodgkin lymphoma
      • CCG-5942
      • POG-9425
      • POG-9426
      • COG-AHOD0031
    • Brain tumor
      • CCG-A9961
    • Acute lymphoblastic leukemia
      • COG-ALTE02C2
    • Neuroblastoma
      • COG-A3973
    • Rhabdomyosarcoma
      • IRS-III
      • IRS-IV-Stage 1
      • IRS-IV-Stage 2/3
      • IRS-IV-Stage/Group 4
  • Must reside in the U.S. during trial enrollment

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Carola Arndt, M.D.

Open for enrollment

Contact information:

Cancer Center Clinical Trials Referral Office

(855) 776-0015

More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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