Genomic Precision

 A SeraCare blog focused on precision medicine and advanced clinical diagnostics

Developing a Rock-Solid Lung Cancer Assay, Part 2

Posted by Yves Konigshofer on Jul 2, 2018 4:45:00 PM

In a recent post, we discussed key considerations for designing a robust next-generation sequencing (NGS)-based lung cancer assay. Putting those plans into action in the development phase brings forth a new set of challenges. Through our experience developing NGS reference materials and the relationships we’ve built with assay developers of all stripes, we’ve identified those important factors and ways to navigate them. But before you begin designing and optimizing your assay, you should become very familiar with binomial and Poisson distributions and their use because the outcome of many analytical steps can be modeled and explained with them.

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Topics: assay development, Lung Cancer

How am I going to test my assay? Should I use patient samples or biosynthetic materials?

Posted by Dan Brudzewsky on Jan 4, 2018 4:32:00 PM

Assay development and optimization for clinical genetics is increasingly challenging. In an era of clinical genomics, new technologies and clinical utilities constantly call for newer and better performing assays. Having access to an abundant supply of relevant and reliable test material is critical for quick assay development and well-documented assay performance.

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Topics: assay development, biosynthetic reference materials, NGS reference materials

Accelerating Liquid Biopsy Assay Development

Session Summary from Next Generation Dx Summit 2017

Posted by Sam Blier on Sep 8, 2017 11:15:00 AM

At the 2017 Next Generation Dx Summit in Washington, DC, our CSO, Russell Garlick, PhD, presented a workshop on accelerating liquid biopsy assay development. He has worked closely with a variety of groups in the liquid biopsy space that are developing and validating circulating tumor DNA (ctDNA) assays. He highlighted some common challenges facing the field, and explained how SeraCare has been using these collaborations to develop QC tools specifically for ensuring the robustness of these cutting-edge tests.

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Topics: ctDNA, liquid biopsy, assay development, circulating tumor DNA reference Materials, circulating cell-free DNA, biosynthetic reference materials, assay performance, 2017 Next Generation Dx Summit

How Many Target Copies Are Present in Your Plasma DNA Sample?

A 0.1% measurement requires a reasonable amount of input material

Posted by Dale Yuzuki on Jun 15, 2017 1:30:00 PM

The field of circulating tumor DNA analysis (ctDNA, also sometimes called in a larger context “liquid biopsy”) holds great promise for monitoring response to cancer treatment, assisting therapeutic choice, monitoring recurrence, and for pre-cancer screening. As such there is a great amount of assay development and ongoing clinical trials; at ClinicalTrials.gov searching for the term "Circulating DNA" you can find over 180 open clinical trials for a wide range of tumor types and interventions.

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Topics: Cancer, Circulating Tumor DNA, ctDNA, liquid biopsy, plasma DNA Sample, ccfDNA, assay development

 
 

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