Patent ID: 7163695
Filing Date: 2007-01-16
Classification: A61K,B82Y,C07K,C12N

Abstract:
1. A pharmaceutical agent delivery composition comprising: (a) a transport polymer comprising a peptide, characterized as having at least 10 amino acid residues, and wherein at least 10% of said amino acid residues are histidine, and wherein at least 10% of said amino acid residues are selected from the group consisting of non-histidine amino acids with a side-group that carries a positive charge at physiological pH, and wherein the molecular structure of said peptide is selected from the group consisting of:  with the proviso that said transport polymer does not consist of: (b) a pharmaceutical agent associated with said transport polymer; and (c) optionally, at least one intracellular delivery component associated with said transport polymer and/or said pharmaceutical agent.