The ITCC-P4 PDX Platform Enables Preclinical Testing of Pediatric Cancers

Aniello Federico1, Apurva Gopisetty1, Didier Surdez2

  • 1Hopp Children's Cancer Center Heidelberg Heidelberg Germany.

Cancer Research
|July 10, 2026
PubMed

Insights

A new platform established over 350 patient-derived xenograft models for pediatric cancers. This resource aids researchers in developing and prioritizing novel targeted therapies for improved pediatric cancer survival.

Area of Science:

  • Oncology
  • Translational Medicine
  • Biobanking

Background:

  • Pediatric cancers pose significant mortality challenges in high-income nations.
  • Tumor heterogeneity and limited targeted therapies hinder survival rates in children with cancer.
  • The ITCC-P4 platform was created to address these critical issues in pediatric oncology.

Purpose of the Study:

  • To establish a comprehensive platform of patient-derived xenograft (PDX) models for pediatric cancers.
  • To facilitate in vivo drug testing and identify predictive biomarkers for targeted therapies.
  • To support academic and industrial research for developing innovative pediatric cancer treatments.

Main Methods:

  • Creation of a large repertoire of 353 patient-derived xenograft (PDX) models from various pediatric cancers.
  • Comprehensive molecular characterization of PDX models and matched patient samples.
  • Establishment of serial PDX models representing different disease stages and relapse.
  • In vivo drug screening in neuroblastoma and rhabdomyosarcoma models to identify biomarkers.

Main Results:

  • Successfully established 353 PDX models covering major high-risk pediatric solid tumors.
  • Identified potential predictive biomarkers for targeted therapies through drug screening in specific models.
  • Generated serial PDX models to study tumor evolution and treatment resistance.
  • Molecular data is publicly accessible via the R2 platform for model selection.

Conclusions:

  • The ITCC-P4 platform provides a valuable resource for preclinical pediatric cancer research.
  • The platform enables the selection of PDX models based on specific oncogenic drivers and biomarkers.
  • Facilitates the development and prioritization of novel therapeutic strategies for pediatric cancer patients.