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Clinical Trial Summary

This study will test whether immune functions in individual cancer patients can be characterized in a quantitative manner using new technologies that analyze nucleic acids from peripheral blood cells and whether those quantitations can be used to predict the response outcomes of patients being treated with Pembrolizumab.


Clinical Trial Description

The investigators will collect 50 milliliter blood samples from each patient before and after the first cycle of Pembrolizumab therapy. White blood cells will be separated according to cluster of differentiation (CD) markers into CD4+, CD8+, CD14+ populations using magnetic beads. A portion of each cellular fraction will be stimulated in the lab with a lineage-specific agonist cocktail. Ribonucleic acid (RNA) will be purified from both unstimulated and stimulated cell populations from both pre- and post-therapy timepoints for each patient. Lineage-specific transcriptomes will be quantitated and used to derive gene expression profiles for comparisons to clinical phenotypes. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02744209
Study type Observational
Source Mayo Clinic
Contact
Status Terminated
Phase
Start date April 2016
Completion date January 2019

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