Acerta Pharma, AstraZeneca Group 1 article published in JoVE Medicine Preparation of Peripheral Blood Mononuclear Cell Pellets and Plasma from a Single Blood Draw at Clinical Trial Sites for Biomarker Analysis Paola Marco-Casanova1, Natalia Lukashchuk1, Benedetta Lombardi1, Veerendra Munugalavadla2, Melanie M. Frigault3, Elizabeth A. Harrington1, J. Carl Barrett3, Andrew J. Pierce1 1Translational Medicine, R&D Oncology, AstraZeneca, 2Acerta Pharma, AstraZeneca Group, 3Translational Medicine, R&D Oncology, AstraZeneca This protocol details clinically implementable preparation of high quality PBMC and plasma biosamples at the clinical trial site that can be used for translational biomarker analysis.