Pt.1. Physical targeting approaches -- Enteric targeting through enteric coating -- New experimental coating material for colon-specific drug delivery -- Pharmacokinetic considerations in the design of pulmonary drug delivery sysystems for gluccocorticoids -- Lipid-based formulations for oral administration: opportunities for bioavailability enchancement and lipoprotein targeting of lipophilic drugs -- Topical application of drugs: mechanisms involved in chemical enhancement -- Pt.2. Chemical targeting approaches -- Drug targeting by retrometabolic design: soft drugs and chemical delivery systems -- Neoglyco- and neopeptide albumins for cell-specific delivery of drugs to chronically diseases livers -- Pt.3. Biological targeting approaches -- Gene delivery with artificial viral envelopes -- Evolution of viral liposomes: improvements and applications -- Targeting of viral vectors for cancer gene therapy