Impact of substructure radiation dose on health-related quality of life in children with brain tumors: a Pediatric Proton/Photon Consortium Registry (PPCR) study - Summary - MDSpire

Impact of substructure radiation dose on health-related quality of life in children with brain tumors: a Pediatric Proton/Photon Consortium Registry (PPCR) study

  • By

  • Mikaela Doig

  • Jae Lee

  • Young Kwok

  • Iain MacEwan

  • Suzanne Wolden

  • Keith Allison

  • Sara Dennehy

  • Benjamin Bajaj

  • Michala Short

  • Peter Gorayski

  • Eva Bezak

  • Torunn I. Yock

  • September 9, 2025

  • 0 min

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Objective:

To identify the relationship between radiation dose to brain substructures and specific health-related quality of life (HRQoL) domains in children treated with proton beam therapy for primary brain tumors.

Key Findings:
  • Radiation dose to critical brain structures is significantly associated with HRQoL outcomes in children.
  • Higher doses correlated with poorer HRQoL scores, indicating a need for careful dose management.
  • Patient-reported outcomes highlighted the impact of treatment on physical, emotional, and social domains, underscoring the multifaceted effects of therapy.
Interpretation:

The study underscores the importance of minimizing radiation exposure to critical brain structures to improve HRQoL in pediatric brain tumor survivors.

Limitations:
  • Inconsistency in reporting RT variables across studies limits comparison and may skew results.
  • Data derived from a single registry may not represent broader populations, potentially affecting generalizability.
Conclusion:

Reducing radiation doses to critical brain structures during treatment may enhance HRQoL in children with brain tumors, suggesting a need for tailored treatment plans.

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