Childhood Cancer Data Initiative Annual Symposium (Abstract Registration): Submission #80

serial: '80'
sid: '193542'
uuid: acf131b2-bb3a-4413-a044-b1b6592209f0
uri: /nci/ccdisymposium/abstract
created: '1788365315'
completed: '1788366017'
changed: '1788366017'
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current_page: ''
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langcode: en
webform_id: ccdi_symposium_abstract
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data:
  authors_:
    - add_author_degree: PhD
      add_author_first_name: Todd
      add_author_last_name: Gibson
      add_author_middle: M
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: ''
      add_author_first_name: Sara
      add_author_last_name: Dennehy
      add_author_middle: L
      add_author_organization: 'Massachusetts General Hospital'
    - add_author_degree: ''
      add_author_first_name: Benjamin
      add_author_last_name: Bajaj
      add_author_middle: VM
      add_author_organization: 'Massachusetts General Hospital'
    - add_author_degree: 'MD, PhD'
      add_author_first_name: Isabelle
      add_author_last_name: 'van der Velpen'
      add_author_middle: ''
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: PhD
      add_author_first_name: Jungwook
      add_author_last_name: Shin
      add_author_middle: ''
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: PhD
      add_author_first_name: Matthew
      add_author_last_name: Mille
      add_author_middle: M
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: PhD
      add_author_first_name: Keith
      add_author_last_name: Griffin
      add_author_middle: T
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: PhD
      add_author_first_name: Sergio
      add_author_last_name: Morato
      add_author_middle: ''
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: BA
      add_author_first_name: Caroline
      add_author_last_name: Esposito
      add_author_middle: ''
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: MD
      add_author_first_name: Torunn
      add_author_last_name: Yock
      add_author_middle: I
      add_author_organization: 'Massachusetts General Hospital'
    - add_author_degree: DPhil
      add_author_first_name: Amy
      add_author_last_name: 'Berrington de Gonzalez'
      add_author_middle: ''
      add_author_organization: 'Institute for Cancer Research'
    - add_author_degree: PhD
      add_author_first_name: Choonsik
      add_author_last_name: Lee
      add_author_middle: ''
      add_author_organization: 'National Cancer Institute'
    - add_author_degree: PhD
      add_author_first_name: Cari
      add_author_last_name: Kitahara
      add_author_middle: M
      add_author_organization: 'National Cancer Institute'
  abstract: 'Proton radiotherapy has emerged as the preferred radiotherapy modality for many cancers, especially in children. Proton radiotherapy is expected to reduce the risk of subsequent cancer and other adverse long-term health effects compared to photon radiotherapy because the physical properties of protons allow for lower radiation exposure to surrounding normal tissues. However, the magnitude of the purported reduction in risk remains uncertain, and no randomized clinical trials have compared the two radiotherapy types in children, who are more susceptible than adults to the late effects of radiation. Observational studies, while generally reassuring, have had important methodological limitations. CCDI funding enabled establishment of the NCI Pediatric Proton and Photon Therapy Comparison Cohort, a large-scale multicenter study with the primary aim to compare the risk of subsequent cancers in pediatric cancer patients treated with proton versus photon radiotherapy. Patient and treatment data, including electronic radiotherapy records, are being collected for eligible patients treated 2006-2025 at 17 participating centers. Long-term follow-up for incident second cancers will be conducted via linkage with state cancer registries. State-of-the-art radiation dose reconstruction methods developed for application in this cohort will allow for assessment of radiation dose-response and dose volume effects. Our poster will update the status of ongoing clinical and radiotherapy data collection and will describe the currently available study population by demographic and treatment factors. Research from this cohort is expected to inform clinical practice for pediatric cancer patients by providing the first large-scale systematic comparison of subsequent cancer risk after proton compared to photon therapy. '
  abstract_title_: 'Progress-to-date toward building a multicenter study comparing second cancer risks after radiotherapy: the Pediatric Proton and Photon Therapy Comparison Cohort'
  email_address_: todd.gibson@nih.gov
  institution_: 'National Cancer Institute'
  presenting_author_: 'Todd M Gibson'