Patents Assigned to Visterra, Inc.
  • Patent number: 12642840
    Abstract: The present invention provides, among other things, methods of using IL-2 fusion proteins, comprising an IL-2 variant and an Pc region, to treat and/or prevent heart transplant rejections. Methods of treating heart disease or a symptom thereof, conditioning a subject for heart transplant, modulating immunosuppression, and selectively increasing regulatory T cells are also disclosed.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: June 2, 2026
    Assignees: Visterra, Inc., The Children's Hospital of Philadelphia
    Inventors: Gregory Babcock, Wayne Hancock
  • Publication number: 20260116988
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Application
    Filed: September 27, 2024
    Publication date: April 30, 2026
    Applicant: VISTERRA, INC.
    Inventors: James R. MYETTE, Zachary SHRIVER, Karthik VISWANATHAN, Andrew M. WOLLACOTT, Hedy ADARI-HALL, Boopathy RAMAKRISHNAN, Gregory BABCOCK, Jill YARBROUGH, Asher SCHACHTER, Mohit MATHUR
  • Publication number: 20260028384
    Abstract: The present invention provides, among other things, a method of prophylaxis for kidney rejection comprising administering to the recipient an alpha-biased IL-2 variant in conjunction with the kidney transplant. In another aspect, the present invention provides, among other things, a method of improving a kidney transplant in a recipient, comprising administering to the recipient an alpha-biased IL-2 variant in conjunction with the kidney transplantation at a therapeutically effective amount, wherein the improvement in the kidney transplant results in prolonged stability of the kidney transplant, survival of the recipient, and/or reduced rejection symptoms as compared to a control.
    Type: Application
    Filed: April 17, 2025
    Publication date: January 29, 2026
    Applicants: Visterra, Inc., Duke University
    Inventors: David William Oldach, Stuart Johnston Knechtle, Gregory Babcock, John J. O'Neil, Jean Kwun
  • Patent number: 12415865
    Abstract: Antibody molecules that specifically bind to C5aR1 are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as ANCA-vasculitis.
    Type: Grant
    Filed: September 29, 2023
    Date of Patent: September 16, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver
  • Patent number: 12338291
    Abstract: Humanized antibody molecules that specifically bind to CD138 are disclosed. The humanized antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as multiple myeloma.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: June 24, 2025
    Assignee: VISTERRA, INC.
    Inventors: Bharat Chaganty, Boopathy Ramakrishnan, Hedy Adari-Hall, Karthik Viswanathan, James R. Myette, Zachary Shriver, Andrew M. Wollacott
  • Patent number: 12297249
    Abstract: IL-2 agents that comprise IL-2 variants are disclosed as well as methods, compositions, and uses thereof. The IL-2 agents described herein can be used to treat and/or prevent various disorders and conditions.
    Type: Grant
    Filed: March 25, 2024
    Date of Patent: May 13, 2025
    Assignee: Visterra, Inc.
    Inventors: Scott Moore Carlson, Gregory Babcock, Zachary Shriver, Boopathy Ramakrishnan
  • Patent number: 12264203
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Grant
    Filed: May 31, 2024
    Date of Patent: April 1, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Publication number: 20250066464
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 27, 2025
    Applicant: VISTERRA, INC.
    Inventors: James R. MYETTE, Zachary Holmes SHRIVER, Karthik VISWANATHAN, Andrew M. WOLLACOTT, Hedy ADARI-HALL, Boopathy RAMAKRISHNAN, Gregory BABCOCK
  • Patent number: 12227587
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Grant
    Filed: January 17, 2024
    Date of Patent: February 18, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Publication number: 20250043014
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Application
    Filed: August 23, 2024
    Publication date: February 6, 2025
    Applicant: VISTERRA, INC.
    Inventors: David William OLDACH, James R. MYETTE, Zachary SHRIVER, Karthik VISWANATHAN, Andrew M. WOLLACOTT, Hedy ADARI-HALL, Boopathy RAMAKRISHNAN, Gregory BABCOCK, Jill YARBROUGH, Asher SCHACHTER, Mohit MATHUR
  • Patent number: 12202885
    Abstract: This disclosure relates to formulations of peptide agents, e.g., antibodies and antigen-binding fragments thereof, that bind hemagglutinin protein of influenza viruses, and methods of their use.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: January 21, 2025
    Assignee: VISTERRA, INC.
    Inventors: Susan Sloan, Bi Xu
  • Patent number: 12187807
    Abstract: Antibody molecules that specifically bind to C5aR1 are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as ANCA-vasculitis.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: January 7, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver
  • Publication number: 20240383958
    Abstract: The present invention provides, among other things, apelin receptor agonists with increased half-life, reduced desensitization, improved apelin receptor signaling properties (e.g., bias for G? signaling over ?-arrestin signaling), enhanced stability, and/or enhanced binding to apelin receptor.
    Type: Application
    Filed: April 11, 2024
    Publication date: November 21, 2024
    Applicant: VISTERRA, INC.
    Inventors: Karthik Viswanathan, Brahm Yachnin, Laura Vinue-Santolalla
  • Patent number: 12098178
    Abstract: IL-2 agents that comprise IL-2 variants are disclosed as well as methods, compositions, and uses thereof. The IL-2 agents described herein can be used to treat and/or prevent various disorders and conditions.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: September 24, 2024
    Assignees: Visterra, Inc., The General Hospital Corporation
    Inventors: Scott Moore Carlson, Gregory Babcock, Zachary Shriver, Boopathy Ramakrishnan, Thiago de Jesus Borges, Leonardo Vidal Riella
  • Patent number: 12091451
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: September 17, 2024
    Assignee: VISTERRA, INC.
    Inventors: James R. Myette, Zachary Holmes Shriver, Karthik Viswanathan, Andrew M. Wollacott, Hedy Adari-Hall, Boopathy Ramakrishnan, Gregory Babcock
  • Patent number: 12084484
    Abstract: IL-2 agents that comprise IL-2 variants are disclosed as well as methods, compositions, and uses thereof. The IL-2 agents described herein can be used to treat and/or prevent various disorders and conditions.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: September 10, 2024
    Assignee: Visterra, Inc.
    Inventors: Scott Moore Carlson, Gregory Babcock, Zachary Shriver, Boopathy Ramakrishnan
  • Patent number: 12054539
    Abstract: Antibody molecules that specifically bind to dengue virus are disclosed. In certain embodiments, the antibody molecule bind to dengue virus serotypes DV-1, DV-2, DV-3, and DV-4. The antibody molecules can be used to treat, prevent, and/or diagnose dengue virus.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: August 6, 2024
    Assignee: VISTERRA, INC.
    Inventors: Luke Robinson, Zachary Shriver, James R. Myette, Gregory Babcock, Karthik Viswanathan
  • Publication number: 20240228652
    Abstract: The present invention provides, among other things, anti-C3b antibodies with increased specificity and potency and methods of treating C3 glomerulopathy and other complement mediated diseases and disorders using the same.
    Type: Application
    Filed: September 20, 2023
    Publication date: July 11, 2024
    Applicant: Visterra, Inc.
    Inventors: Karthik Viswanathan, Ramki Ramakrishnan, Hedy Adari, Feng Gao, Andrew Wollacott
  • Patent number: 12024552
    Abstract: This disclosure relates to novel peptide agents, e.g., antibodies and antigen-binding fragments thereof, that bind hemagglutinin protein of influenza viruses, and methods of their use.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: July 2, 2024
    Assignee: VISTERRA, INC.
    Inventors: Zachary Shriver, Karthik Viswanathan, Vidya Subramanian, Sasisekharan Raguram
  • Patent number: 11969476
    Abstract: Antibody molecule-drug conjugates (ADCs) that specifically bind to lipopolysaccharides (LPS) are disclosed. The antibody molecule-drug conjugates can be used to treat, prevent, and/or diagnose bacterial infections and related disorders.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: April 30, 2024
    Assignee: VISTERRA, INC.
    Inventors: Karthik Viswanathan, Kenneth Douglas Johnson, Obadiah Joseph Plante, James C. Delaney, Tyree J. Koch, Hamid Tissire, Andrew M. Wollacott, Boopathy Ramakrishnan