Research topics: Drug delivery and targeting, controlled release dosage forms (nanoparticles, liposomes) Targeting of biopharmaceuticals using on the organ/tissue.

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Research topics: Drug delivery and targeting, controlled release dosage forms (nanoparticles, liposomes) Targeting of biopharmaceuticals using on the organ/tissue and intracellular levels Preclinical and clinical pharmacokinetics and pharmacodynamics, PK/PD modeling Seeks cooperation in the following areas: development of new drugs, more efficient use of the existing drugs, investigating the mechanisms of action of drug leads Selected recent publications: Sneh-Edri H, Likhtenshtein D, Stepensky D. Intracellular targeting of PLGA nanoparticles encapsulating antigenic peptide to the endoplasmic reticulum of dendritic cells and its effect on antigen cross-presentation in vitro. Mol Pharmaceutics 2011; 8(4): Dakwar G, Hammad IA, Popov M, Linder C, Grinberg S, Heldman E, Stepensky D. Delivery of proteins to the brain by bolaamphiphilic nano-sized vesicles. J Control Release 2012; 160(2): Stepensky D. Local vs. systemic anti-TNF-alpha effects of adalimumab in rheumatoid arthritis: pharmacokinetic modeling analysis of interaction between a soluble target and a drug. Clin Pharmacokinet 2012; 51(7): David Stepensky Department of Clinical Biochemistry and Pharmacology and School of Pharmacy Faculty of Health Sciences M6 bldg., room

intracellular targeting of nanoparticles Brain-targeted drug delivery using nanovesicles

PK-PD modeling analysis of adalimumab disposition and location of site of action Drug Drug (antibody) Target (TNF-α) Target k syn k degr TD k el k on k off Drug-Target complex Disposition of adalimumab and TNF  and their interaction. Location of site of action of adalimumab. Optimal dosage form and dose of adalimumab. Population PK-PD and dose optimization in the individual subjects.