Northstar Select®
Unmatched sensitivity for more treatment opportunities.
Reduction in false negative results1
More actionable CNAs detected
Northstar Select® is the most sensitive ctDNA liquid biopsy that uses QCT™ technology to guide therapy selection by detecting actionable alterations, even in low tumor fraction samples.
A purpose-built
liquid biopsy.
Northstar Select® uncovers treatment opportunities others miss — focused on the genes that matter most for therapy selection.
Low VAF alterations can be found even in traditionally high-shedding tumors1.
Northstar Select achieves a 2 to 5x lower limit of detection than other liquid biopsies2.
Northstar Select uncovered 50%+ more clinically actionable alterations1.
Download Helpful Resources
Bower, X., et al. J Liq Biopsy. 2025 Sept. Volume 9, 1003222. Head-to-head improvement % determined when compared to the comparator products in the aggregate. Actual percentages may vary depending on the individual comparator liquid biopsy test.
LOD 95% (limit of detection 95%) is defined as the lowest concentration of an analyte in a sample that can be consistently detected with ≥95% probability. Comparator assays have a LOD 95% that ranges from 0.20% -0.40%.
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