(2R)-2,3-Bis(octadecanoyloxy)propyl 2-(trimethylazaniumyl)ethyl phosphate, also known as 1,2-distearoyl-sn-glycero-3-phosphocholine, DSPC, or 18:0 PC is used to form Lipid Nanoparticles in Covid19 mRNA vaccines manufactured by Moderna and Pfizer/Biontech.
Are there published in vivo Toxicology studies using this additive?