Traditional mechanisms to collect blood samples place the burden of travel on the patient. Novel capillary blood sampling devices aim to alleviate this burden by offering solutions for patients to collect their own samples at locations that are convenient for them. In order to realize the potential of this technology, we must enable reliable robust assays to obtain necessary data from these microsamples. As the comprehensive metabolic panel (CMP) is assessed to monitor patient health, this testing is routinely performed and implementing a patient centric sampling solution for this application would be quite impactful. Herein, we will present our experience in validating a broad panel of clinical chemistry tests, including CMP, on capillary samples collected via multiple patient centric sampling devices. We will present venous versus capillary blood concordance results, discuss challenges we encountered with hemolysis and stability, and touch on next steps for how we as an industry can collaborate to drive solutions for our patients.
Learning Objectives:
Understand the benefits and challenges of patient centric sampling devices.
Understand considerations for validating clinical chemistry tests for patient centric sampling devices and how these considerations may differ from a bioanalytical assay.
Understand opportunities for applications of this technology and when a patient centric sampling approach may be appropriate to consider.