Patents by Inventor Jeffrey S. Hrkach
Jeffrey S. Hrkach has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6942868Abstract: Improved aerodynamically light particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of biodegradable material and have a tap density of less than 0.4 g/cm3 and a mass mean diameter between 5 ?m and 30 ?m. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear ?-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 ?m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: May 20, 2003Date of Patent: September 13, 2005Assignees: Massachusetts Institute of Technology, The Penn State Research FoundationInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdellaziz Ben-Jebria, Robert S. Langer
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Publication number: 20040191186Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear a-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: ApplicationFiled: April 6, 2004Publication date: September 30, 2004Applicants: Massachusetts Institute of Technology, The Penn State Research FoundationInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria
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Patent number: 6740310Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear a-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: July 30, 2002Date of Patent: May 25, 2004Assignees: Massachusetts Institute of Technology, The Penn State Research FoundationInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria
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Publication number: 20040076588Abstract: The present invention is directed toward particles for delivery of epinephrine to the respiratory system and methods for treating a patient in need of epinephrine. The particles and respirable compositions comprising the particles of the present invention described herein comprise the bioactive agent epinephrine, or a salt thereof, as a therapeutic agent. The particles are preferably formed by spray drying. Preferably, the particles and the respirable compositions are substantially dry and are substantially free of propellents. In a preferred embodiment, the particles have aerodynamic characteristics that permit targeted delivery of epinephrine to the site(s) of action.Type: ApplicationFiled: June 26, 2003Publication date: April 22, 2004Inventors: Richard P. Batycky, Giovanni Caponetti, Mariko Childs, Elliot Ehrich, Karen Fu, Jeffrey S. Hrkach, Wen-I Li, Michael M. Lipp, Mei-Ling Pan, Jason Summa
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Publication number: 20040047811Abstract: Improved aerodynamically light particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of biodegradable material and have a tap density of less than 0.4 g/cm3 and a mass mean diameter between 5 &mgr;m and 30 &mgr;m. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: ApplicationFiled: May 20, 2003Publication date: March 11, 2004Applicants: The Penn State Research Foundation, Massachusetts Institute of TechnologyInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdellaziz Ben-Jebria, Robert S. Langer
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Publication number: 20040018243Abstract: Particles which include a bioactive agent are prepared to have a desired matrix transition temperature. Delivery of the particles via the pulmonary system results in modulation of drug release from the particles. Sustained release of the drug can be obtained by forming particles which have a high matrix transition temperature, while fast release can be obtained by forming particles which have a low matrix transition temperature. Preferred particles include one or more phospholipids.Type: ApplicationFiled: April 28, 2003Publication date: January 29, 2004Applicant: Advanced Inhalation Research, Inc.Inventors: Sujit K. Basu, Jeffrey S. Hrkach, Giovanni Caponetti, Michael M. Lipp, Katharina Elbert, Wen-I Li
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Patent number: 6635283Abstract: Improved aerodynamically light particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of biodegradable material and have a tap density of less than 0.4 g/cm3 and a mass mean diameter between 5 &mgr;m and 30 &mgr;m. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: December 20, 2001Date of Patent: October 21, 2003Inventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdellaziz Ben-Jebria, Robert S. Langer
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Publication number: 20030166509Abstract: The present invention features pharmaceutical compositions comprising nanoparticles containing a sustained release bioactive agent, method of making such compositions, and method of therapy using such compositions.Type: ApplicationFiled: November 20, 2002Publication date: September 4, 2003Applicant: Advanced Inhalation Research, Inc.Inventors: David A. Edwards, Richard P. Batycky, Jennifer L. Schmitke, Nicolas Tsapis, David A. Weitz, Jeffrey S. Hrkach
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Publication number: 20030012742Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear a-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: ApplicationFiled: July 30, 2002Publication date: January 16, 2003Applicant: The Penn Research Foundation, Inc.Inventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria
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Patent number: 6503480Abstract: Improved aerodynamically light particles for delivery to the pulmonary system, and methods for their preparation and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of a biodegradable material and have a tap density less than 0.4 g/cm3 and a mass mean diameter between 5 &mgr;m and 30 &mgr;m. The particles may be formed of biodegradable mat as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic or diagnostic agent to the alveolar region of the lung.Type: GrantFiled: April 8, 1999Date of Patent: January 7, 2003Assignees: Massachusetts Institute of Technology, The Penn State Research FoundationInventors: David A. Edwards, Giovannia Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdell Aziz Ben-Jebria, Robert S. Langer
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Publication number: 20020146373Abstract: Improved aerodynamically light particles for delivery to the pulmonary system, and methods for their preparation and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of a biodegradable material and have a tap density less than 0.4 g/cm3 and a mass mean diameter between 5 &mgr;m and 30 &mgr;m. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated herein and at least on poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic or diagnostic agent to the alveolar region of the lung.Type: ApplicationFiled: March 1, 2002Publication date: October 10, 2002Applicant: The Penn State Research FoundationInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdellaziz Ben-Jebria, Robert S. Langer
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Publication number: 20020141946Abstract: The invention generally relates to formulations having particles comprising phospholipids, bioactive agent and excipients and the pulmonary delivery thereof. Dry powder inhaled insulin formulations are disclosed. Formulations comprising DPPC, insulin and sodium citrate which are useful in the treatment of diabetes are disclosed. Also, the invention relates to a method of for the pulmonary delivery of a bioactive agent comprising administering to the respiratory tract of a patient in need of treatment, or diagnosis an effective amount of particles comprising a bioactive agent or any combination thereof in association, wherein release of the agent from the administered particles occurs in a rapid fashion.Type: ApplicationFiled: June 22, 2001Publication date: October 3, 2002Applicant: Advanced Inhalation Research, Inc.Inventors: Jennifer L. Schmitke, Donghao Chen, Richard P. Batycky, David A. Edwards, Jeffrey S. Hrkach
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Publication number: 20020141947Abstract: Improved aerodynamically light particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of biodegradable material and have a tap density of less than 0.4 g/cm3 and a mass mean diameter between 5 &mgr;m and 30 &mgr;m. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: ApplicationFiled: December 20, 2001Publication date: October 3, 2002Inventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdellaziz Ben-Jebria, Robert S. Langer
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Patent number: 6447752Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: June 25, 2001Date of Patent: September 10, 2002Assignees: The Penn State Research Foundation, Massachusetts Institute of TechnologyInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria
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Patent number: 6447753Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: June 25, 2001Date of Patent: September 10, 2002Assignees: The Penn Research Foundation, Inc., Massachusetts Institute of TechnologyInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria
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Patent number: 6436443Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: June 25, 2001Date of Patent: August 20, 2002Assignees: The Penn Research Foundation, Inc., Massachesetts Institute of TechnologyInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria
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Patent number: 6399102Abstract: Improved aerodynamically light particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of biodegradable material and have a tap density of less than 0.4 g/cm3 and a mass mean diameter between 5 &mgr;m and 30 &mgr;m. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, aerodynamically light particles having a large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: GrantFiled: May 1, 2000Date of Patent: June 4, 2002Assignee: The Penn State Research FoundationInventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Abdellaziz Ben-Jebria, Robert S. Langer
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Publication number: 20020034477Abstract: The invention generally relates to a method for pulmonary delivery of therapeutic, prophylactic and diagnostic agents to a patient wherein the agent is released in a sustained fashion, and to particles suitable for use in the method. In particular, the invention relates to a method for the pulmonary delivery of a therapeutic, prophylactic or diagnostic agent comprising administering to the respiratory tract of a patient in need of treatment, prophylaxis or diagnosis an effective amount of particles comprising a multivalent metal cation which is complexed with a therapeutic, prophylactic or diagnostic agent or any combination thereof having a charge capable of complexing with the cation upon association with the agent, a pharmaceutically acceptable carrier and optionally, a multivalent metal cation-containing component wherein the total amount of multivalent metal cation present in the particles is more than 1% weight/weight of the total weight of the agent (% w/w).Type: ApplicationFiled: March 30, 2001Publication date: March 21, 2002Applicant: Advanced Inhalation Research Inc.Inventors: David A. Edwards, Jeffrey S. Hrkach
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Publication number: 20010036481Abstract: Particles which include a bioactive agent are prepared to have a desired matrix transition temperature. Delivery of the particles via the pulmonary system results in modulation of drug release from the particles. Sustained release and/or sustained pharmacologic action of the drug can be obtained by forming particles which include a combination of phospholipids that are miscible in one another and have a high matrix transition temperature.Type: ApplicationFiled: February 23, 2001Publication date: November 1, 2001Applicant: Advanced Inhalation Research, Inc.Inventors: Sujit K. Basu, Giovanni Caponetti, Daniel R. Deaver, Katharina J. Elbert, Jeffrey S. Hrkach, Michael M. Lipp
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Publication number: 20010033828Abstract: Improved porous particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the porous particles are made of a biodegradable material and have a mass density less than 0.4 g/cm3/. The particles may be formed of biodegradable materials such as biodegradable polymers. For example, the particles may be formed of a functionalized polyester graft copolymer consisting of a linear &agr;-hydroxy-acid polyester backbone having at least one amino acid group incorporated therein and at least one poly(amino acid) side chain extending from an amino acid group in the polyester backbone. In one embodiment, porous particles having a relatively large mean diameter, for example greater than 5 &mgr;m, can be used for enhanced delivery of a therapeutic agent to the alveolar region of the lung.Type: ApplicationFiled: June 25, 2001Publication date: October 25, 2001Applicant: The Penn Research Foundation, Inc.Inventors: David A. Edwards, Giovanni Caponetti, Jeffrey S. Hrkach, Noah Lotan, Justin Hanes, Robert S. Langer, Abdellaziz Ben-Jebria