Patents by Inventor Glen S. Kwon

Glen S. Kwon 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).

  • Patent number: 10980891
    Abstract: The present technology relates generally to oligolactic acid conjugates of paclitaxel, rapamycin, selumetinib, and other anticancer agents, micelle compositions containing such conjugates and methods of preparing and using such compositions to treat various cancers. Specifically, there are provided oligolactic acid conjugates wherein the oligolactic acid comprises 2 to 24 lactic acid subunits and is attached through an ester linkage to the oxygen of the 7-hydroxyl of the paclitaxel or paclitaxel derivative, the 40-hydroxyl of the rapamycin or rapamycin derivative, and the 2?-hydroxyl of the selumetinib or selumetinib derivative. Compositions comprising water and a micelle comprising a polylactic acid-containing polymer and the oligolactic acid conjugate may be readily prepared. Methods of inhibiting or killing cancer cells and treating paclitaxel, rapamycin, and/or selumetinib cancers are also provided.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 20, 2021
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Glen S. Kwon, Yu Tong Tam
  • Patent number: 10828372
    Abstract: Described herein is a mono-end PEGyated functional upstream domain (FUD), pharmaceutical compositions, and its use to inhibit fibrosis such as organ fibrosis, idiopathic pulmonary fibrosis and fibrosis associated with cancer. Also included are methods of probing for injured or repairing tissue in an individual in need thereof using the mono-end PEGyated-FUD.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: November 10, 2020
    Assignee: WISCONSIN ALUMNI RESEARCH FOUNDATION
    Inventors: Bianca R. Tomasini-Johansson, Glen S. Kwon, Pawel Waldemar Zbyszynski, Nathan Sandbo, Ksenija Bernau
  • Publication number: 20200261583
    Abstract: The invention provides a drug delivery system for a combination of therapeutic agents. The system includes a water soluble biodegradable ABA-type triblock copolymer that possesses thermosensitive gelation properties. The system can form a stable thermogel that includes a combination of therapeutic agents including, for example, rapamycin, paclitaxel, and 17-AAG. After administration to a subject, the drugs are released at a controlled rate from the thermogel, which biodegrades into non-toxic components. The polymer system can also function to increase the solubility and stability of drugs in the composition.
    Type: Application
    Filed: May 6, 2020
    Publication date: August 20, 2020
    Applicant: Wisconsin Alumni Research Foundation
    Inventors: Glen S. Kwon, Hyunah Cho
  • Patent number: 10682415
    Abstract: The invention provides a drug delivery system for a combination of therapeutic agents. The system includes a water soluble biodegradable ABA-type triblock copolymer that possesses thermosensitive gelation properties. The system can form a stable thermogel that includes a combination of therapeutic agents including, for example, rapamycin, paclitaxel, and 17-AAG. After administration to a subject, the drugs are released at a controlled rate from the thermogel, which biodegrades into non-toxic components. The polymer system can also function to increase the solubility and stability of drugs in the composition.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: June 16, 2020
    Assignee: WISCONSIN ALUMNI RESEARCH FOUNDATION
    Inventors: Glen S. Kwon, Hyunah Cho
  • Publication number: 20200054758
    Abstract: The present technology relates generally to oligolactic acid conjugates of paclitaxel, rapamycin, selumetinib, and other anticancer agents, micelle compositions containing such conjugates and methods of preparing and using such compositions to treat various cancers. Specifically, there are provided oligolactic acid conjugates wherein the oligolactic acid comprises 2 to 24 lactic acid subunits and is attached through an ester linkage to the oxygen of the 7-hydroxyl of the paclitaxel or paclitaxel derivative, the 40-hydroxyl of the rapamycin or rapamycin derivative, and the 2?-hydroxyl of the selumetinib or selumetinib derivative. Compositions comprising water and a micelle comprising a polylactic acid-containing polymer and the oligolactic acid conjugate may be readily prepared. Methods of inhibiting or killing cancer cells and treating paclitaxel, rapamycin, and/or selumetinib cancers are also provided.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Applicant: Wisconsin Alumni Research Foundation
    Inventors: Glen S. Kwon, Yu Tong Tam
  • Patent number: 10456477
    Abstract: The present technology relates generally to oligolactic acid conjugates of paclitaxel, rapamycin, selumetinib, and other anticancer agents, micelle compositions containing such conjugates and methods of preparing and using such compositions to treat various cancers. Specifically, there are provided oligolactic acid conjugates wherein the oligolactic acid comprises 2 to 24 lactic acid subunits and is attached through an ester linkage to the oxygen of the 7-hydroxyl of the paclitaxel or paclitaxel derivative, the 40-hydroxyl of the rapamycin or rapamycin derivative, and the 2?-hydroxyl of the selumetinib or selumetinib derivative. Compositions comprising water and a micelle comprising a polylactic acid-containing polymer and the oligolactic acid conjugate may be readily prepared. Methods of inhibiting or killing cancer cells and treating paclitaxel, rapamycin, and/or selumetinib cancers are also provided.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: October 29, 2019
    Assignee: WISCONSIN ALUMNI RESEARCH FOUNDATION
    Inventors: Glen S. Kwon, Yu Tong Tam
  • Publication number: 20190142956
    Abstract: Described herein is a mono-end PEGyated functional upstream domain (FUD), pharmaceutical compositions, and its use to inhibit fibrosis such as organ fibrosis, idiopathic pulmonary fibrosis and fibrosis associated with cancer. Also included are methods of probing for injured or repairing tissue in an individual in need thereof using the mono-end PEGyated-FUD.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 16, 2019
    Inventors: BIANCA R. TOMASINI-JOHANSSON, GLEN S. KWON, PAWEL WALDEMAR ZBYSZYNSKI, NATHAN SANDBO, KSENIJA BERNAU
  • Publication number: 20190083633
    Abstract: The present technology relates generally to oligolactic acid conjugates of paclitaxel, rapamycin, selumetinib, and other anticancer agents, micelle compositions containing such conjugates and methods of preparing and using such compositions to treat various cancers. Specifically, there are provided oligolactic acid conjugates wherein the oligolactic acid comprises 2 to 24 lactic acid subunits and is attached through an ester linkage to the oxygen of the 7-hydroxyl of the paclitaxel or paclitaxel derivative, the 40-hydroxyl of the rapamycin or rapamycin derivative, and the 2?-hydroxyl of the selumetinib or selumetinib derivative. Compositions comprising water and a micelle comprising a polylactic acid-containing polymer and the oligolactic acid conjugate may be readily prepared. Methods of inhibiting or killing cancer cells and treating paclitaxel, rapamycin, and/or selumetinib cancers are also provided.
    Type: Application
    Filed: March 13, 2017
    Publication date: March 21, 2019
    Inventors: Glen S. Kwon, Yu Tong Tam
  • Publication number: 20180153849
    Abstract: Provided is a method of treatment including administering to lung, brain or esophageal cancer cells an effective amount of radiation in conjunction with a micelle composition that includes an effective amount of paclitaxel, and one or both of 17-AAG, and rapamycin, wherein the micelle includes poly(ethylene glycol)-block-poly(lactic acid) (PEG-b-PLA).
    Type: Application
    Filed: June 10, 2016
    Publication date: June 7, 2018
    Inventors: Glen S. KWON, Keishiro TOMODA, Kevin KOZAK
  • Publication number: 20170290852
    Abstract: The present technology relates generally to micelle formulations of amphotericin B that optionally include 5-fluorocytosine and methods of preparing such formulations. Methods of treating fungal infections with the present compositions are also provided.
    Type: Application
    Filed: April 7, 2017
    Publication date: October 12, 2017
    Inventor: Glen S. KWON
  • Patent number: 9107814
    Abstract: Hydrophobic drugs become more practical for treatments by being encapsulated in micelle compositions for increasing solubility. Micelle compositions may include an excipient tocopherol and/or prodrug formulations of the drug. Micelles extend the time period the drug remains in the micelles to improve drug circulation time and thereby drug delivery. Hydrophobic drugs for micelle encapsulation may include rapamycin, geldanamycin, and paclitaxel. Administration of these micelle compositions does not require Cremophor EL or Tween 80, avoiding serious side effects associated with these products which would previously accompany such drug administration.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: August 18, 2015
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Glen S. Kwon, Marcus L. Forrest
  • Patent number: 8945627
    Abstract: The invention provides biocompatible micelles loaded with one or more active agents. The micelles can encapsulate anticancer drugs such as gossypol, and combinations of drugs, such as gossypol and paclitaxel, gossypol and 17-AAG, gossypol and cyclopamine, gossypol, paclitaxel, and 17-AAG, and gossypol, paclitaxel, and cyclopamine. The micelle compositions provide effective solubilization of difficult to solubilize drug combinations without the need for additional surfactants that can be toxic to patients. Thus, the invention provides stable and biocompatible drug formulations that improve bioavailability without causing toxicity.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: February 3, 2015
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Glen S. Kwon, Ho-Chul Shin, Hyunah Cho
  • Publication number: 20150025106
    Abstract: The invention provides a drug delivery system for a combination of therapeutic agents. The system includes a water soluble biodegradable ABA-type triblock copolymer that possesses thermosensitive gelation properties. The system can form a stable thermogel that includes a combination of therapeutic agents including, for example, rapamycin, paclitaxel, and 17-AAG. After administration to a subject, the drugs are released at a controlled rate from the thermogel, which biodegrades into non-toxic components. The polymer system can also function to increase the solubility and stability of drugs in the composition.
    Type: Application
    Filed: July 22, 2014
    Publication date: January 22, 2015
    Inventors: Glen S. Kwon, Hyunah Cho
  • Patent number: 8900562
    Abstract: The present invention provides semi-fluorinated block copolymers and related methods of synthesizing and using semi-fluorinated block copolymers for drug delivery and drug formulation applications. Semi-fluorinated block copolymers of this aspect of the invention include block copolymers having discrete hydrophilic, fluorophilic and hydrophobic structural domains that are capable of forming supramolecular structures in aqueous solutions, such as micelles, for encapsulating hydrophobic and/or fluorophilic therapeutic agents. Encapsulation by semi-fluorinated block copolymers of the present invention allows for enhanced solubilization and stabilization of hydrophobic and/or fluorophilic therapeutic agents relative to conventional drug delivery compositions and methods.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: December 2, 2014
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Sandro Mecozzi, Glen S. Kwon
  • Patent number: 8858965
    Abstract: The invention provides active agents, such as paclitaxel, rapamycin, or 17-DMAG, encapsulated by safe poly(ethylene glycol)-block-poly(lactic acid) (“PEG-b-PLA”) micelles. The compositions provide effective solubilization of drug combinations, such as paclitaxel, rapamycin, and 17-DMAG, as well as others described herein. A significant advantage of PEG-b-PLA as a carrier is that it is less toxic than Cremophor® EL or DMSO, which are used in currently known compositions. Additionally, PEG-b-PLA micelles are easier to handle than DMSO and they do not possess a foul odor, which is a problem with formulations currently in clinical trials. Accordingly, the invention provides stable and biocompatible drug formulations that improve bioavailability without causing toxicity. It was also found that larger doses of individual drugs in micelle formulations can be administered compared to non-micelle formulations.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: October 14, 2014
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Glen S. Kwon
  • Publication number: 20140072602
    Abstract: The invention provides active agents, such as paclitaxel, rapamycin, or 17-DMAG, encapsulated by safe poly(ethylene glycol)-block-poly(lactic acid) (“PEG-b-PLA”) micelles. The compositions provide effective solubilization of drug combinations, such as paclitaxel, rapamycin, and 17-DMAG, as well as others described herein. A significant advantage of PEG-b-PLA as a carrier is that it is less toxic than Cremophor® EL or DMSO, which are used in currently known compositions. Additionally, PEG-b-PLA micelles are easier to handle than DMSO and they do not possess a foul odor, which is a problem with formulations currently in clinical trials. Accordingly, the invention provides stable and biocompatible drug formulations that improve bioavailability without causing toxicity. It was also found that larger doses of individual drugs in micelle formulations can be administered compared to non-micelle formulations.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 13, 2014
    Applicant: Wisconsin Alumni Research Foundation
    Inventor: Glen S. KWON
  • Patent number: 8529917
    Abstract: The invention provides active agents, such as paclitaxel, rapamycin, or 17-DMAG, encapsulated by safe poly(ethylene glycol)-block-poly(lactic acid) (“PEG-b-PLA”) micelles. The compositions provide effective solubilization of drug combinations, such as paclitaxel, rapamycin, and 17-DMAG, as well as others described herein. A significant advantage of PEG-b-PLA as a carrier is that it is less toxic than Cremophor® EL or DMSO, which are used in currently known compositions. Additionally, PEG-b-PLA micelles are easier to handle than DMSO and they do not possess a foul odor, which is a problem with formulations currently in clinical trials. Accordingly, the invention provides stable and biocompatible drug formulations that improve bioavailability without causing toxicity. It was also found that larger doses of individual drugs in micelle formulations can be administered compared to non-micelle formulations.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: September 10, 2013
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Glen S. Kwon
  • Patent number: 8383136
    Abstract: The invention provides active agents, such as paclitaxel, rapamycin, or 17-AAG, encapsulated by safe poly(ethylene glycol)-block-poly(lactic acid) (“PEG-b-PLA”) micelles. The compositions provide effective solubilization of drug combinations, such as paclitaxel, rapamycin, and 17-AAG, as well as others described herein. A significant advantage of PEG-b-PLA as a carrier is that it is less toxic than Cremophor® EL or DMSO, which are used in currently known compositions. Additionally, PEG-b-PLA micelles are easier to handle than DMSO and they do not possess a foul odor, which is a problem with formulations currently in clinical trials. Accordingly, the invention provides stable and biocompatible drug formulations that improve bioavailability without causing toxicity. It was also found that larger doses of individual drugs in micelle formulations can be administered compared to non-micelle formulations.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: February 26, 2013
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Glen S. Kwon
  • Publication number: 20120321715
    Abstract: The invention provides biocompatible micelles loaded with one or more active agents. The micelles can encapsulate anticancer drugs such as gossypol, and combinations of drugs, such as gossypol and paclitaxel, gossypol and 17-AAG, gossypol and cyclopamine, gossypol, paclitaxel, and 17-AAG, and gossypol, paclitaxel, and cyclopamine. The micelle compositions provide effective solubilization of difficult to solubilize drug combinations without the need for additional surfactants that can be toxic to patients. Thus, the invention provides stable and biocompatible drug formulations that improve bioavailability without causing toxicity.
    Type: Application
    Filed: May 4, 2012
    Publication date: December 20, 2012
    Applicant: Wisconsin Alumni Research Foundation
    Inventors: Glen S. Kwon, Ho-Chul Shin, Hyunah Cho
  • Publication number: 20120309780
    Abstract: Hydrophobic drugs become more practical for treatments by being encapsulated in micelle compositions for increasing solubility. Micelle compositions may include an excipient tocopherol and/or prodrug formulations of the drug. Micelles extend the time period the drug remains in the micelles to improve drug circulation time and thereby drug delivery. Hydrophobic drugs for micelle encapsulation may include rapamycin, geldanamycin, and paclitaxel. Administration of these micelle compositions does not require Cremophor EL or Tween 80, avoiding serious side effects associated with these products which would previously accompany such drug administration.
    Type: Application
    Filed: April 30, 2012
    Publication date: December 6, 2012
    Applicant: WISCONSIN ALUMNI RESEARCH FOUNDATION
    Inventors: Glen S. Kwon, Marcus L. Forrest