Childhood Cancer Data Initiative Annual Symposium (Abstract Registration): Submission #43
Submission information
Submission Number: 43
Submission ID: 148488
Submission UUID: a07e4075-9365-4cfa-b90f-ef250f286557
Submission URI: /nci/ccdisymposium/abstract
Created: Fri, 08/08/2025 - 15:52
Completed: Fri, 08/08/2025 - 16:03
Changed: Fri, 08/08/2025 - 16:03
Remote IP address: 10.208.24.35
Submitted by: Anonymous
Language: English
Is draft: No
serial: '43'
sid: '148488'
uuid: a07e4075-9365-4cfa-b90f-ef250f286557
uri: /nci/ccdisymposium/abstract
created: '1754682758'
completed: '1754683394'
changed: '1754683394'
in_draft: '0'
current_page: ''
remote_addr: 10.208.24.35
uid: '0'
langcode: en
webform_id: ccdi_symposium_abstract
entity_type: node
entity_id: '2139'
locked: '0'
sticky: '0'
notes: ''
metatag: meta
data:
authors_:
- add_author_degree: PhD
add_author_first_name: Owen
add_author_last_name: Chapman
add_author_middle: S
add_author_organization: 'Nagoya City University '
- add_author_degree: MD
add_author_first_name: Sunita
add_author_last_name: Sridhar
add_author_middle: ''
add_author_organization: "Rady Children's Hospital San Diego"
- add_author_degree: PhD
add_author_first_name: Eugene
add_author_last_name: Yui-Ching
add_author_middle: ''
add_author_organization: 'SBP Medical Discovery Institute'
- add_author_degree: ''
add_author_first_name: Rishaan
add_author_last_name: Kenkre
add_author_middle: ''
add_author_organization: 'SBP Medical Discovery Institute'
- add_author_degree: ''
add_author_first_name: Jonathan
add_author_last_name: Kirkland
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: ''
add_author_first_name: Aditi
add_author_last_name: Dutta
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: ''
add_author_first_name: Shanqing
add_author_last_name: Wang
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: ''
add_author_first_name: Wenshu
add_author_last_name: Zhang
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: PhD
add_author_first_name: Miguel
add_author_last_name: Brown
add_author_middle: ''
add_author_organization: "Children's Hospital of Philadelphia"
- add_author_degree: PhD
add_author_first_name: Jens
add_author_last_name: Luebeck
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: ''
add_author_first_name: Yan
add_author_last_name: Lo
add_author_middle: Yuen
add_author_organization: 'SBP Medical Discovery Institute '
- add_author_degree: PhD
add_author_first_name: Elias
add_author_last_name: Rodrigez-Fos
add_author_middle: ''
add_author_organization: 'Experimental and Clinical Research Center of the Max Delbrück Center and Charite Berlin'
- add_author_degree: 'MD, PhD'
add_author_first_name: Anton
add_author_last_name: Henssen
add_author_middle: G
add_author_organization: 'Experimental and Clinical Research Center of the Max Delbrück Center and Charite Berlin'
- add_author_degree: PhD
add_author_first_name: Konstantin
add_author_last_name: Okonechnikov
add_author_middle: ''
add_author_organization: 'Hopp Children’s Cancer Center Heidelberg (KiTZ)'
- add_author_degree: 'MD, PhD'
add_author_first_name: David
add_author_last_name: Ghasemi
add_author_middle: R
add_author_organization: 'Hopp Children’s Cancer Center Heidelberg (KiTZ)'
- add_author_degree: 'MD PhD'
add_author_first_name: Kristian
add_author_last_name: Pajtler
add_author_middle: W
add_author_organization: 'Hopp Children’s Cancer Center Heidelberg (KiTZ)'
- add_author_degree: PhD
add_author_first_name: Daisuke
add_author_last_name: Kawauchi
add_author_middle: ''
add_author_organization: 'Nagoya City University'
- add_author_degree: PhD
add_author_first_name: Vineet
add_author_last_name: Bafna
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: MD
add_author_first_name: Megan
add_author_last_name: Pau;
add_author_middle: ''
add_author_organization: "Rady Children's Hospital San Diego"
- add_author_degree: PhD
add_author_first_name: Kevin
add_author_last_name: Yip
add_author_middle: ''
add_author_organization: 'SBP Medical Discovery Institute '
- add_author_degree: PhD
add_author_first_name: Jill
add_author_last_name: Mesirov
add_author_middle: ''
add_author_organization: 'UC San Diego'
- add_author_degree: PhD
add_author_first_name: Lukas
add_author_last_name: Chavez
add_author_middle: ''
add_author_organization: 'SBP Medical Discovery Institute '
abstract: 'Circular extrachromosomal DNA (ecDNA) is a common form of oncogene amplification in aggressive cancers. The frequency and diversity of ecDNA has been catalogued in adult and some childhood cancers; however, its role in most pediatric cancers is not well-understood. To address this gap, we accessed large pediatric cancer genomics data repositories and identified ecDNA from whole genome sequencing data using cloud computing. This retrospective cohort comprises 3,631 solid tumor biopsies from 2,968 patients covering all major childhood solid tumor types. Aggressive tumor types had particularly high incidences of ecDNA. Pediatric patients whose tumors harbored extrachromosomal DNA had significantly poorer five-year overall survival than children whose tumors contained only chromosomal amplifications. We catalogue known and potentially novel oncogenes recurrently amplified on ecDNA and show that ecDNA often evolves during disease progression. These results highlight patient populations that could potentially benefit from future ecDNA-directed therapies. To facilitate discovery, we developed an interactive catalogue of ecDNA in childhood cancer at https://ccdi-ecdna.org/.'
abstract_title_: 'Extrachromosomal DNA associates with poor survival across a broad spectrum of childhood solid tumors'
email_address_: lchavez@sbpdiscovery.org
institution_: 'SBP Medical Discovery Institite'
presenting_author_: 'Lukas Chavez'