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Post-CDK4/6 Inhibitor PDX Model Screen

An exclusive collection of breast cancer PDX models, developed from patients resistant to CDK4/6 inhibitors, perfect for the investigation of mechanisms of resistance and assessing novel therapeutics

Now Enrolling until June 13th, 2025

 

 

 Clinically Relevant PDX Models Resistant to CDK4/6 Inhibitors

Accelerate the development of your cyclin D-CDK4/6 pathway targeting breast cancer therapies with our latest Post-CDK4/6 Inhibitor PDX Model Screening platform. This screen features 10 rigorously validated PDX models, derived directly and established from patient tumors and maintained at a low passage to preserve molecular heterogeneity, mutation profiles, and key resistance mechanisms. This screen offers unparalleled clinical relevance, making it the ideal choice for researchers developing next-generation breast cancer treatments targeting the CDK4/6 pathway.

 Clinically Relevant Models

Living bank of clinically relevant PDX models with key mutations and molecular characteristics.  

Pretreated PDX Models

Established from tumor biopsies from patients pretreated with latest generation CDK4/6 therapies

Multi-omic Characterization

Clinical annotations coupled with molecular datasets and in vivo responses 

Champions' Post-CDK4/6 Inhibitor PDX Model Screen includes:

  • Breast Cancer models pretreated with advanced CDK4/6 targeting therapies such as Palbociclib, Ribociclib, Abemaciclib, and more.  
  • Models retaining crucial mutations of the cyclin-dependent kinase 4 and 6 (CDK4/6) pathway and mechanisms of resistance to advanced CDK4/6 therapies. 
  • Complete model characterization (clinical data, NGS analysis, proteomics, phospho-proteomics, and more).
  • Several endpoint data options available including Flow Cytometry and IHC to quantify target expression and critical phenotypical changes (available upon request).
  • Terminal tumor collections for target validation are available upon request (Snap Frozen/FFPE).
  • No minimum to enroll & 50% off a Standard of Care Agent arm (selected by Champions).
Post CDK4_6 screen fig 1
CDK4,CDK6--GeneNetwork