US 7,534,449 B2
Targeted and high density drug loaded polymeric materials
William Mark Saltzman, New Haven, Conn. (US); Tarek Fahmy, New Haven, Conn. (US); and Peter Fong, New Haven, Conn. (US)
Assigned to Yale University, New Haven, Conn. (US)
Filed on Jun. 30, 2005, as Appl. No. 11/170,817.
Claims priority of provisional application 60/677991, filed on May 05, 2005.
Claims priority of provisional application 60/628778, filed on Nov. 17, 2004.
Claims priority of provisional application 60/616821, filed on Oct. 07, 2004.
Claims priority of provisional application 60/585047, filed on Jul. 01, 2004.
Prior Publication US 2006/0002852 A1, Jan. 05, 2006
Int. Cl. A61K 9/14 (2006.01); C07K 14/00 (2006.01); C07H 21/00 (2006.01)
U.S. Cl. 424—417  [424/486; 424/502; 514/2; 530/350; 536/23.1; 977/773] 29 Claims
 
1. Polymeric microparticles or nanoparticles for delivery of a therapeutic, nutritional, diagnostic or prophylactic agent incorporated in a high density on or within the microparticles, the microparticles or nanoparticles comprising targeting ligands present in a density of between about 1,000 to 10,000,000 ligands per square micron of microparticle or nanoparticle surface area,
wherein the ligands are inserted into or attached onto the surface of the polymeric microparticles or nanoparticles.