The first human transfusion was performed by the pioneer Dr Jean-Baptiste Denis in France in 1667 and now, three centuries later, around 50 millions blood units are transfused every year, saving millions of lives. Today, there is a new application for red blood cells (RBCs) in cellular therapy: the effective use of erythrocytes as vehicles for chemical or biological drugs. Using this approach, the therapeutic index of RBC-entrapped molecules can be significantly improved with increased efficacy and reduced side effects. This cell-based medicinal product can be manufactured at an industrial scale and is now used in the clinic for different therapeutic applications.A seminar dedicated to this field of research, debating on this inventive formulation for drugs, was held in Lyon (France) on 28 January 2011. Drs KC Gunter and Y Godfrin co-chaired the meeting and international experts working on the encapsulation of drugs within erythrocytes met to exchange knowledge on the topic 'The Red Blood Cells as Vehicles for Drugs'. The meeting was composed of oral presentations providing the latest knowledge and experience on the preclinical and clinical applications of this technology. This Meeting Highlights article presents the most relevant messages given by the speakers and is a joint effort by international experts who share an interest in studying erythrocyte as a drug delivery vehicle. The aim is to provide an overview of

Plasma asparagine depletion by RBC-entrapped L-asparaginase in selected patients having no low or no ASNS may be a promising therapeutic approach for pancreatic cancer.

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