Patents by Inventor Christopher Paul Leamon

Christopher Paul Leamon 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).

  • Publication number: 20240075069
    Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells wherein the CAR T cells comprise a CAR and the CAR comprises an E2 anti-fluorescein antibody fragment, and administering to the patient a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 7, 2024
    Inventors: Philip Stewart LOW, Haiyan CHU, Yingjuan June LU, Christopher Paul LEAMON, Leroy W. WHEELER, II, Michael C. JENSEN, James MATTHAEI
  • Patent number: 11850262
    Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: December 26, 2023
    Assignees: Purdue Research Foundation, Endocyte, Inc.
    Inventors: Philip Stewart Low, Haiyan Chu, Yong Gu Lee, Yingjuan J. Lu, Christopher Paul Leamon, Leroy W. Wheeler, II
  • Patent number: 11779602
    Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells wherein the CAR T cells comprise a CAR and the CAR comprises an E2 anti-fluorescein antibody fragment, and administering to the patient a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: October 10, 2023
    Assignees: Endocyte, Inc., Purdue Research Foundation, Seattle Children's Hospital
    Inventors: Philip Stewart Low, Haiyan Chu, Yingjuan June Lu, Christopher Paul Leamon, Leroy W. Wheeler, II, Michael C. Jensen, James Matthaei
  • Patent number: 11759480
    Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: September 19, 2023
    Assignees: ENDOCYTE, INC., PURDUE RESEARCH FOUNDATION
    Inventors: Philip Stewart Low, Haiyan Chu, Yong Gu Lee, Yingjuan J. Lu, Christopher Paul Leamon, Leroy W Wheeler, II
  • Publication number: 20230098279
    Abstract: The present invention relates to combinations for use and methods of treating cancers that express prostate specific membrane antigen (PSMA). In particular, the invention provides novel therapies based on the combination of a PSMA therapeutic agent, such as radiolabeled Compound I, and immuno-oncology (I-O) therapeutic agents, wherein said I-O therapeutic agents are selected from the group consisting of LAG-3 inhibitors, TIM-3 inhibitors, GITR agonists, TGF-? inhibitors, IL15/IL-15RA complex, PD-1 inhibitors, PD-L1 inhibitors, and CTLA-4 inhibitors.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 30, 2023
    Inventors: Christopher Paul LEAMON, Richard MESSMANN
  • Publication number: 20220265841
    Abstract: The invention described herein pertains to the diagnosis, imaging, and/or treatment of pathogenic cell populations. In particular, the invention described herein pertains to the diagnosis, imaging, and/or treatment of diseases caused by PSMA expressing cells, such as prostate cancer cells, using compounds capable of targeting PSMA expressing cells.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 25, 2022
    Inventors: Iontcho Radoslavov VLAHOV, Joseph Anand REDDY, Alicia BLOOMFIELD, Ryan DORTON, Melissa NELSON, Marilynn VETZEL, Christopher Paul LEAMON
  • Publication number: 20220175875
    Abstract: Methods for treating cancers using one or more compounds comprising a folate receptor binding ligand attached to a drug via a linker are described. Methods for treating cancers using one or more compounds comprising a folate receptor binding ligand attached to a drug via a linker to target tumor associated macrophages are described.
    Type: Application
    Filed: November 11, 2021
    Publication date: June 9, 2022
    Inventors: Yingjuan J. LU, Leroy W. WHEELER, II, Philip Stewart LOW, Christopher Paul LEAMON
  • Patent number: 11219622
    Abstract: Conjugates of antifolates, releasable linkers, and drugs, and pharmaceutical compositions containing them are described. The conjugates are useful for treating diseases arising from pathogenic cell populations. Methods for treating such diseases are also described.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: January 11, 2022
    Assignees: Endocyte, Inc., Purdue Research Foundation
    Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Philip Stewart Low
  • Publication number: 20210346431
    Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and administering to the patient a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.
    Type: Application
    Filed: February 22, 2019
    Publication date: November 11, 2021
    Inventors: Richard MESSMANN, Christopher Paul LEAMON, Haiyan CHU, Yingjuan June LU, Philip Stewart LOW, Michael C. JENSEN, James MATTHAEI, Navin Robert Charles PINTO, Julie Ruggieri PARK
  • Publication number: 20210323985
    Abstract: The present disclosure relates to compounds useful as shielding agents for PSMA therapies. The present disclosure relates to methods of treating PSMA expressing cancers with one or more radiotherapeutics agents in combination with one or more shielding agents. The present disclosure relates to methods of imaging using one or more imaging agents containing a radionuclide in combination with one or more shielding agents. The present disclosure also relates to methods of making shielding agents.
    Type: Application
    Filed: September 19, 2019
    Publication date: October 21, 2021
    Inventors: Christopher Paul LEAMON, Iontcho Radoslavov VLAHOV
  • Publication number: 20210154312
    Abstract: The invention described herein pertains to the diagnosis, imaging, and/or treatment of pathogenic cell populations. In particular, the invention described herein pertains to the diagnosis, imaging, and/or treatment of diseases caused by PSMA expressing cells, such as prostate cancer cells, using compounds capable of targeting PSMA expressing cells.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Inventors: Iontcho Radoslavov VLAHOV, Joseph Anand REDDY, Alicia BLOOMFIELD, Ryan DORTON, Melissa NELSON, Marilynn VETZEL, Christopher Paul LEAMON
  • Publication number: 20210154311
    Abstract: The invention described herein pertains to the diagnosis, imaging, and/or treatment of pathogenic cell populations. In particular, the invention described herein pertains to the diagnosis, imaging, and/or treatment of diseases caused by PSMA expressing cells, such as prostate cancer cells, using compounds capable of targeting PSMA expressing cells.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Inventors: Iontcho Radoslavov VLAHOV, Joseph Anand REDDY, Alicia BLOOMFIELD, Ryan DORTON, Melissa NELSON, Marilynn VETZEL, Christopher Paul LEAMON
  • Publication number: 20210069340
    Abstract: The present invention relates to compositions and methods for use in targeted drug delivery. More particularly, the invention is directed to cell-surface receptor binding conjugates containing hydrophilic spacer linkers for use in treating disease states caused by pathogenic cell populations and to methods and pharmaceutical compositions that use and include such conjugates.
    Type: Application
    Filed: July 16, 2020
    Publication date: March 11, 2021
    Inventors: Iontcho Radoslavov VLAHOV, Christopher Paul LEAMON, Fei YOU, Yingjuan J. LU, Paul Joseph KLEINDL
  • Patent number: 10912840
    Abstract: The invention described herein pertains to the diagnosis, imaging, and/or treatment of pathogenic cell populations. In particular, the invention described herein pertains to the diagnosis, imaging, and/or treatment of diseases caused by PSMA expressing cells, such as prostate cancer cells, using compounds capable of targeting PSMA expressing cells.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: February 9, 2021
    Assignee: ENDOCYTE, INC.
    Inventors: Iontcho Radoslavov Vlahov, Joseph Anand Reddy, Alicia Bloomfield, Ryan Dorton, Melissa Nelson, Marilynn Vetzel, Christopher Paul Leamon
  • Publication number: 20210024581
    Abstract: Described herein are compositions and methods for use in targeted drug delivery using cell receptor binding drug delivery conjugates containing hydrophilic spacer linkers for use in imaging, diagnosing, and/or treating diseases and disease states caused by pathogenic cell populations.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 28, 2021
    Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Hari Krishna R. Santhapuram, Paul Joseph Kleindl, Kevin Yu Wang, Fei You
  • Publication number: 20200405760
    Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.
    Type: Application
    Filed: July 6, 2020
    Publication date: December 31, 2020
    Inventors: Philip Stewart LOW, Haiyan CHU, Yong Gu LEE, Yingjuan J. LU, Christopher Paul LEAMON, Leroy W WHEELER
  • Publication number: 20200323991
    Abstract: The present disclosure relates to pyrrolobenzodiazepine (PBD) prodrugs and conjugates thereof. The present disclosure also relates to pharmaceutical compositions of the conjugates described herein, methods of making and methods of using the same.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 15, 2020
    Inventors: Iontcho Radoslavov VLAHOV, Christopher Paul LEAMON, Longwu QI, Ning ZOU, Kevin Yu WANG, Albert E. FELTEN, Garth L. PARHAM, Fei YOU, Hari Krishna R. SANTHAPURAM, Spencer J. HAHN, Joseph Anand REDDY, Yingjuan J. LU, Leroy W. WHEELER, II
  • Publication number: 20200289659
    Abstract: The present disclosure relates to pyrrolobenzodiazepine (PBD) prodrugs and conjugates thereof. The present disclosure also relates to pharmaceutical compositions of the conjugates described herein, methods of making and methods of using the same.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 17, 2020
    Inventors: Iontcho Radoslavov Vlahov, Christopher Paul Leamon, Longwu QI, Yingcai Wang, Kevin Yu Wang, Ning Zou, Albert E. Felten
  • Patent number: 10738086
    Abstract: Described herein are compositions and methods for use in targeted drug delivery using cell-surface receptor binding drug delivery conjugates containing hydrophilic spacer linkers for use in treating disease states caused by pathogenic cell populations.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: August 11, 2020
    Assignee: Endocyte Inc.
    Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Hari Krishna R. Santhapuram, Paul Joseph Kleindl, Kevin Yu Wang, Fei You
  • Publication number: 20200155555
    Abstract: Described herein are compositions, methods, compounds, conjugates, and kits for use in targeted drug delivery using drug delivery conjugates containing hydrophilic spacer linkers for use in treating disease states caused by pathogenic cell populations, such as inflammatory cells.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 21, 2020
    Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Yingjuan June Lu, Kevin Yu Wang, Fei You, Paul Joseph Kleindl, Hari Krishna R. Santhapuram