Patents by Inventor Sumith A. Kularatne

Sumith A. Kularatne 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: 20250108039
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: December 11, 2024
    Publication date: April 3, 2025
    Inventors: Philip Stewart LOW, Sumith A. Kularatne
  • Publication number: 20240382624
    Abstract: The present disclosure relates to Fibroblast Activating Protein (FAP) targeted compounds conjugated to near-infra red (NIR) dyes and methods for their therapeutic and diagnostic use. More specifically, this disclosure provides compounds and methods for diagnosing and treating diseases associated with cells and/or vasculature expressing Fibroblast Activating Protein (FAP). The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Application
    Filed: May 10, 2024
    Publication date: November 21, 2024
    Inventors: Sumith A Kularatne, Pravin Gagare, Mini Thomas
  • Patent number: 12144874
    Abstract: The present invention describes new compounds that are useful for image-guided surgery and photodynamic therapy. In particular the compounds may be targeted to the nucleus or the mitochondria after compounds were delivered to diseased tissues such as cancer using a ligand that target receptor that express on the diseased tissue and followed by receptor mediated endocytosis and provide effective activity against cancer cells as well as other disorders. Methods and compositions for use of the same are described.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: November 19, 2024
    Assignee: On Target Laboratories, Inc.
    Inventors: Sumith A. Kularatne, Pravin Gagare
  • Patent number: 12133900
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds. The disclosure also relates to compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: November 5, 2024
    Assignee: Purdue Research Foundation
    Inventors: Philip Stewart Low, Sumith A. Kularatne, Sakkarapalayam M. Mahalingam
  • Publication number: 20240352006
    Abstract: The present disclosure relates to synthesizing and utilizing fluorescent dye compounds or pharmaceutically acceptable salts thereof. Conjugation of amino acid groups to the fluorescent dyes increase specificity and detection of the compound. Methods of manufacture and synthesis of the compounds for use thereof in diagnostic imaging are contemplated.
    Type: Application
    Filed: March 6, 2024
    Publication date: October 24, 2024
    Inventors: Sumith A. Kularatne, Pravin Gagare
  • Publication number: 20240350677
    Abstract: The present disclosure relates to prostate specific membrane antigen (PSMA) targeted compounds conjugated to near-infra red (NIR) dyes and methods for their therapeutic and diagnostic use. More specifically, this disclosure provides compounds and methods for diagnosing and treating diseases associated with cells and/or vasculature expressing prostate specific membrane antigen (PSMA), such as prostate cancer and related diseases. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Application
    Filed: March 6, 2024
    Publication date: October 24, 2024
    Inventor: Sumith A. Kularatne
  • Patent number: 12091693
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical compositions containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: September 17, 2024
    Assignee: PURDUE RESEARCH FOUNDATION
    Inventors: Philip Stewart Low, Venkatesh Chelvam, Youngsoon Kim, Sumith A Kularatne
  • Publication number: 20240299590
    Abstract: The present disclosure relates to Fibroblast Activating Protein(FAP) targeted compounds conjugated to near-infra red (NIR) dyes and methods for their therapeutic and diagnostic use. More specifically, this disclosure provides compounds and methods for diagnosing and treating diseases associated with cells and/or vasculature expressing Fibroblast Activating Protein(FAP). The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Application
    Filed: May 4, 2024
    Publication date: September 12, 2024
    Inventors: Sumith A. Kularatne, Pravin Gagare, Mini Thomas
  • Publication number: 20240293028
    Abstract: The present disclosure relates to methods and compositions for detecting circulating tumor cells (CTCs) using a compound comprising a targeting moiety and a fluorescence imaging agent.
    Type: Application
    Filed: September 16, 2021
    Publication date: September 5, 2024
    Inventor: Sumith A Kularatne
  • Publication number: 20240285807
    Abstract: A composition is configured to be administered to a subject undergoing a malignant lesion resection procedure. The composition comprises a pharmaceutically effective amount of pafolacianine or a pharmaceutically acceptable salt thereof. The pafolacianine or a pharmaceutically acceptable salt thereof is configured to bind one or more malignant lesions and emit an optical signal.
    Type: Application
    Filed: April 10, 2024
    Publication date: August 29, 2024
    Inventor: Sumith A. Kularatne
  • Patent number: 12053532
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a pteroyl ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: August 6, 2024
    Assignee: Purdue Research Foundation
    Inventors: Sumith A. Kularatne, Sakkarapalayam M. Mahalingam, Philip S. Low, Mohammad Noshi
  • Patent number: 11986540
    Abstract: A composition is configured to be administered to a subject undergoing a malignant lesion resection procedure. The composition comprises a pharmaceutically effective amount of pafolacianine or a pharmaceutically acceptable salt thereof. The pafolacianine or a pharmaceutically acceptable salt thereof is configured to bind one or more malignant lesions and emit an optical signal.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: May 21, 2024
    Assignee: ON TARGET LABORATORIES, LLC
    Inventor: Sumith A. Kularatne
  • Patent number: 11964965
    Abstract: The present disclosure relates to synthesizing and utilizing fluorescent dye compounds or pharmaceutically acceptable salts thereof. Conjugation of amino acid groups to the fluorescent dyes increase specificity and detection of the compound. Methods of manufacture and synthesis of the compounds for use thereof in diagnostic imaging are contemplated.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: April 23, 2024
    Assignee: On Target Laboratories, LLC
    Inventors: Sumith A. Kularatne, Pravin Gagare
  • Publication number: 20230417754
    Abstract: The present disclosure relates to methods and compositions for detecting a target cell using a compound comprising a targeting moiety, a linker, and a NIR-II dye.
    Type: Application
    Filed: November 16, 2021
    Publication date: December 28, 2023
    Inventor: Sumith A. Kularatne
  • Publication number: 20230320564
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a ligand that binds to the active site of carbonic anhydrase, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid, amide, ureido, or polyethylene glycol derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Application
    Filed: December 12, 2022
    Publication date: October 12, 2023
    Inventors: Sumith A. Kularatne, Mini Thomas
  • Publication number: 20230293497
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: November 21, 2022
    Publication date: September 21, 2023
    Inventors: Philip S. LOW, Sumith A. KULARATNE
  • Publication number: 20230263911
    Abstract: A composition is configured to be administered to a subject undergoing a malignant lesion resection procedure. The composition comprises a pharmaceutically effective amount of pafolacianine or a pharmaceutically acceptable salt thereof. The pafolacianine or a pharmaceutically acceptable salt thereof is configured to bind one or more malignant lesions and emit an optical signal.
    Type: Application
    Filed: February 20, 2023
    Publication date: August 24, 2023
    Inventor: Sumith A. Kularatne
  • Patent number: 11717514
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: August 8, 2023
    Assignee: Purdue Research Foundation
    Inventors: Philip Stewart Low, Sumith A. Kularatne
  • Patent number: 11555821
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a ligand that binds to the active site of carbonic anhydrase, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid, amide, ureido, or polyethylene glycol derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: January 17, 2023
    Assignee: ON TARGET LABORATORIES, INC.
    Inventors: Sumith A. Kularatne, Mini Thomas
  • Publication number: 20230000836
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: January 11, 2022
    Publication date: January 5, 2023
    Inventors: Philip Steward Low, Sumith A. Kularatne