Patent ID: 9308179
Filing Date: 2016-04-12
CPC Classification: A61K,A61P,B82Y

Claim Text:
1. A sterile, biocompatible, injectable nanoparticle composition comprising a plurality of long circulating nanoparticles having a diameter of about 70 to about 130 nm, each of the plurality of the long circulating nanoparticles comprising: about 70 to about 90 weight percent poly(lactic) acid-co-poly(ethylene) glycol, wherein the weight ratio of poly(lactic) acid to poly(ethylene) glycol is about 15 kDa/2 kDa to about 20 kDa/10 kDa, and a therapeutic agent encapsulated in the nanoparticles, said composition providing an elevated plasma concentration of the therapeutic agent for at least 24 hours when the composition is administered to a patient, to provide: an area under the plasma concentration time curve (AUC) that is increased by at least 500% over the AUC provided when the equivalent dosage of the therapeutic agent is intravenously administered in a non-nanoparticle to a patient; an actual peak plasma concentration (Cmax) that is at least 100% higher as compared to a Cmax of said therapeutic when the therapeutic agent is intravenously administered in a non-nanoparticle to the patient; and a volume of distribution (Vz) that is about the patient's plasma volume upon intravenous administration of the composition.