11 Prostate PDX Models with Diverse PSMA Expression Now Available
This screen includes 11 clinically annotated prostate cancer PDX models, spanning the full range of PSMA IHC scores, metastatic sites, and prior treatments. All models are available for immediate in vivo screening.
New model highlights include:
Use this screen to:
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Tumors harvested from bone, lymph node, liver, and prostate sites
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Prior therapies including enzalutamide, leuprolide, and olaparib
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Detailed annotation with histology, tumor grade, treatment history, and metastatic status
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PSMA expression confirmed by IHC
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Benchmark novel PSMA-targeting agents
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Validate biodistribution in high- and low-expression models
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Generate data that supports INDs and future clinical trial planning
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Reduce development costs through shared control arms
Integrated Radiochemistry & Clinically Relevant Models
Champions is the only preclinical CRO offering both radiochemistry and clinically relevant prostate PDX models under one roof—enabling true end-to-end workflows.
Full Lifecycle Support
In-house radiolabeling, biodistribution, and efficacy studies
Access to Scarce Isotopes
Access to a variety of isotopes including but not limited to Ac225, Lu-177
Flexible Endpoints
Endpoints available upon request: biodistribution, IHC, flow cytometry, tumor harvests (FFPE, snap frozen)
Target Validation
Optional terminal tumor collections for target validation
Molecular & Phenotypic Characterization
All 11 models feature detailed profiling across key translational biomarkers and clinical attributes:
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PSMA IHC expression
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Includes models with pretreatment resistance history to targeted treatments and the latest immunotherapies, such as lenalidomide and tafasitamab-cxix antibody therapy targeting CD19.
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Multi-omic data: HLA typing, MSI/LST scores, and readily available slides for additional IHC markers evaluation
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Several endpoint data options available including Flow Cytometry and IHC to quantify target expression and critical phenotypical changes (available upon request).