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Closed system RT-qPCR as a potential companion diagnostic test for immunotherapy outcome in metastatic melanoma.

Swati Gupta | Leena McCann | Yvonne G Y Chan | Edwin W Lai | Wei Wei | Pok Fai Wong | James W Smithy | Jodi Weidler | Brian Rhees | Michael Bates | Harriet M Kluger | David L Rimm
Journal for immunotherapy of cancer | 2019

In melanoma, there is no companion diagnostic test to predict response to programmed cell death 1 (PD-1) axis immune checkpoint inhibitor (ICI) therapy. In the adjuvant setting, only one in five patients may benefit from ICI, so a biomarker is needed to select those that may or may not benefit. Here, we test a new 4-gene multiplex immunotherapy panel with research use only (RUO) prototype mRNA expression profile on the GeneXpert closed system using real-time quantitative reverse transcription polymerase chain reaction (RT-qPCR) for association with clinical benefit after treatment with ICI therapy in metastatic melanoma patients.

Pubmed ID: 31533832

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Associated grants

  • Agency: NCATS NIH HHS, United States
    Id: UL1 TR001863
  • Agency: NCI NIH HHS, United States
    Id: P30 CA016359

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GraphPad Prism (tool)

RRID:SCR_002798

Statistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.

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