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Exploring the potential of dried plasma collection cards for liquid chromatography coupled with tandem mass spectrometry quantitation of giredestrant in human plasma. | LitMetric
Microsampling technology for dried blood-derived samples provides an advantageous alternative to conventional venous blood for drug quantitation. Unlike conventional whole blood microsampling techniques, Noviplex is a novel, card-based technology for rapid dried plasma spot collection that retains the benefits of microsampling during collection and transportation, while avoiding the disadvantages of using whole blood samples. Giredestrant is a promising small-molecule therapeutic agent under development by Genentech to treat patients with estrogen receptor-positive breast cancer. In this study, we investigated the feasibility of using Noviplex cards for pharmacokinetic analysis of giredestrant levels in human plasma, including optimizing extraction recovery, evaluating in-card stability, and assessing batch precision and accuracy. We found that while the Noviplex card demonstrated levels of sensitivity, extraction recovery, and stability at ambient temperature that meet the requirements of pharmacokinetic analysis for clinical studies, further optimization of the filtration layers within the Noviplex card is necessary to improve filtration efficiency and consistency. This study reveals the possibilities as well as the limitations of the Noviplex card and provides a better understanding of the capabilities and risks of using the Noviplex card for drug quantitation in plasma.
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