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‹ Thu · 9 Jul 2026
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Patterns of presentation and outcomes in stage IV Hodgkin lymphoma: A report from the Children's Oncology Group (COG) AHOD1331 trial

A standard chemotherapy regimen improved survival in most advanced pediatric Hodgkin lymphoma patients, though bone marrow-involved cases need different strategies.

Analysis of 340 pediatric patients with stage IV classic Hodgkin lymphoma from COG AHOD1331 found the brentuximab vedotin-containing regimen improved 4-year progression-free survival across most stage IV subtypes but not in the bone marrow-only subgroup. This pattern-specific data identifies bone marrow involvement as a treatment modifier that may require novel strategies beyond Bv-AVEPC.

What the study was

Study design
randomized_controlled_trial_secondary_analysis
Category
hematologic_malignancies
Maturity
Potentially Practice-Changing
Journal
Br J Haematol

Why it surfaced

Important COG RCT subgroup analysis defining stage IV disease pattern as modifier of Bv-AVEPC benefit; identifies bone marrow-only involvement as a non-responder group needing novel approaches; clinically practice-changing for pediatric HL management.

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