NCT00736749 2026-04-06Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group StudiesChildren's Oncology GroupActive not recruiting5,000 enrolled
NCT05108298 2026-04-03Improving Adolescent and Young Adult Self-Reported Data in ECOG-ACRIN TrialsEastern Cooperative Oncology GroupPhase NA Recruiting400 enrolled