Technical Specifications

Technical Specifications

DELFI-TF Intended Use:

DELFI-TF is a research service that has been developed to provide early evidence of treatment efficacy in early (phase I-II) oncology drug development trials

DELFI-TF has been applied by multiple pharmaceutical and biotechnology companies as a tool for early clinical decision-making in phase I-II development trials for diverse New Molecular Entities (NME).

DELFI-TF Assay Performance Characteristics:

Below is a summary of the performance metrics tested for the DELFI-TF assay*:

Performance Metric

DELFI-TF Performance

Sample Requirement 800 uL plasma or 1 ng cfDNA
Success Rate** 99%
Limit of Blank*** 0.3%
Reproducibility: Coefficient of VariationIn samples between LOB and 2x LOD, median(25%ile.75%ile) 13.6%(6.4%,21.0%)
Correlation with MAF(validation cohort) 0.94%
Concordance with RECIST(mNSCLC) 77%

*The DELFI-TF Assay and related services are for Research Purposes Only and are not intended for diagnostic procedures or applications. **The success rate for this study is defined as the percentage of plasma samples able to be processed through the DELFI assay pipeline (WGS using 1ng of cfDNA). ***The limit of blank was previously defined as the maximum of 95th percentile of DELFI-TF among multiple non-cancer cohorts.