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A rapid, reproducible, and highly flexible platform to more accurately evaluate the systemic implications of cytokine release associated with novel human-targeted-specific immunomodulatory drugs. It can be used to quickly and accurately select leads based on efficacy as well as toxicity caused by cytokine release.
CRS Evaluation studies can provide valuable information for:
Lead Selection
Compare different lead candidates.
Efficacy
Optimize dose range for tumor shrinkage or removal of target.
Safety
Determine which molecule/dosage provides minimal toxicity by using one PBMC donor for the study.
Preclinical Variability
Test the optimal dosages against the diversity of the population by using multiple PBMC donors in the study.
Cytokines are a part of the innate immune system. A number of factors can cause cytokines to be triggered, but when a mass release of cytokines occurs, it is known as a cytokine storm. Cytokine storm creates a toxic environment that in extreme situations can be lethal.
For information about what cytokine release syndrome has to do with drug development, watch the "What is CRS?" video.
When evaluating bispecific drugs, it is important for a tumor antigen to be present in the model. The bispecific reaching to the tumor antigen is what triggers the cytokine release response. JAX has access to a large library of PDX Tumors that can be engrafted into the NSG models utilized in the CRS Evaluation Studies, giving researchers access to optimal tumor models and optimal translationally relevant environments.