Patents Assigned to Sanaria, Inc.
  • Publication number: 20240117026
    Abstract: Antibodies and antigen binding fragments that specifically bind to P. falciparum circumsporozoite protein and neutralize P. falciparum are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. The disclosed antibodies, antigen binding fragments, nucleic acids and vectors can be used, for example, to inhibit a P. falciparum infection.
    Type: Application
    Filed: August 2, 2023
    Publication date: April 11, 2024
    Applicants: The U.S.A., as Represented by the Secretary, Department of Health and Human Services, Sanaria Inc.
    Inventors: Robert Seder, Neville Kisalu, Azza Idris, Barbara Flynn, Stephen Hoffman
  • Patent number: 11883475
    Abstract: The application is directed to in vitro-reared Plasmodium sporozoites of human host range wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same. Provided herein are in vitro-reared infectious Plasmodium sporozoites (SPZ) of human host range, particularly P. falciparum, P. vivax, P. ovale, P. malariae, and P. knowlesi, wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: January 30, 2024
    Assignee: Sanaria Inc.
    Inventors: Abraham G. Eappen, Stephen L Hoffman
  • Patent number: 11760794
    Abstract: Antibodies and antigen binding fragments that specifically bind to P. falciparum circumsporozoite protein and neutralize P. falciparum are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. The disclosed antibodies, antigen binding fragments, nucleic acids and vectors can be used, for example, to inhibit a P. falciparum infection.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: September 19, 2023
    Assignees: The United States of America, as Represented by the Secretary, Department of Health and Human Services, Sanaria Inc.
    Inventors: Robert Seder, Neville Kisalu, Azza Idris, Barbara Flynn, Stephen Hoffman
  • Patent number: 11503819
    Abstract: Systems and methods for providing a combined mosquito staging and dissection system are disclosed. The system can include a mosquito staging subsystem; a robotic pick-and-place station; and a dissection, extrusion, collection, and disposal subsystem. The subsystems can include one or more stations to provide orientation, decapitation, extrusion of salivary glands, and disposal of carcasses of the mosquitoes. The resident live sporozoites from the salivary glands can be used to produce Plasmodium SPZ-based vaccines.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: November 22, 2022
    Assignees: Sanaria Inc., The Johns Hopkins University
    Inventors: Russell H. Taylor, Gregory Chirikjian, Iulian Iordachita, Henry Phalen, Hongtao Wu, Mengdi Xu, Shengnan Lu, Michael Aaron Pozin, Jin Seob Kim, Can Kocabalkanli, Balazs Vagvolgyi, Brian K. Chirikjian, Joshua Davis, Ting Da, John S. Chirikjian, Sumana Chakravarty, Stephen Hoffman
  • Patent number: 11207395
    Abstract: The application is directed to in vitro-reared Plasmodium sporozoites of human host range wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same. Provided herein are in vitro-reared infectious Plasmodium sporozoites (SPZ) of human host range, particularly P. falciparum, P. vivax, P. ovale, P. malariae, and P. knowlesi, wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: December 28, 2021
    Assignee: Sanaria Inc.
    Inventors: Abraham G. Eappen, Stephen L. Hoffman
  • Publication number: 20210253683
    Abstract: Antibodies and antigen binding fragments that specifically bind to P. falciparum circumsporozoite protein and neutralize P. falciparum are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. The disclosed antibodies, antigen binding fragments, nucleic acids and vectors can be used, for example, to inhibit a P. falciparum infection.
    Type: Application
    Filed: April 28, 2021
    Publication date: August 19, 2021
    Applicants: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVIC, Sanaria Inc.
    Inventors: Robert Seder, Neville Kisalu, Azza Idris, Barbara Flynn, Stephen Hoffman
  • Patent number: 11021535
    Abstract: Antibodies and antigen binding fragments that specifically bind to P. falciparum circumsporozoite protein and neutralize P. falciparum are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. The disclosed antibodies, antigen binding fragments, nucleic acids and vectors can be used, for example, to inhibit a P. falciparum infection.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 1, 2021
    Assignees: The United States of America as represented by the Secretary, Department of Health and Human Services, Sanaria Inc.
    Inventors: Robert Seder, Neville Kisalu, Azza Idris, Barbara Flynn, Stephen Hoffman
  • Patent number: 10995980
    Abstract: A cryovial storage system is provided for use in LNVP storage and transportation freezers. The system comprises a hexagonal box that can be used modularly in both vertical and horizontal dimensions to more efficiently fill the functional space within cryogenic freezers and dry shippers. Also provided is a canister and insert system configured to receive a stack of hexagonal boxes (or multiple stacks of hexagonal boxes) and a method for accessing only the topmost box in a stack while retaining the other boxes in the stack below and a system that provides ease of transferability of boxes between storage freezers and dry shippers.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: May 4, 2021
    Assignee: Sanaria Inc.
    Inventor: Eric R. James
  • Patent number: 10781419
    Abstract: A device and method of use for augmenting the extraction of salivary glands from Plasmodium-infected mosquitoes, where the sporozoite stage of Plasmodium primarily resides. Sporozoites are useful for research as well as for the immunogen in whole parasite vaccines for the prevention of malaria. The device and methods of use disclosed herein greatly increase the rate at which sporozoites can be harvested.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: September 22, 2020
    Assignees: Sanaria Inc., Johns Hopkins University
    Inventors: Russell H. Taylor, Amanda Canezin, Mariah Schrum, Iulian Iordachita, Gregory Chirikjian, Michelle Laskowski, Sumana Chakravarty, Stephen Hoffman
  • Publication number: 20200113987
    Abstract: The application is directed to in vitro-reared Plasmodium sporozoites of human host range wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same. Provided herein are in vitro-reared infectious Plasmodium sporozoites (SPZ) of human host range, particularly P. falciparum, P. vivax, P. ovale, P. malariae, and P. knowlesi, wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same.
    Type: Application
    Filed: September 5, 2019
    Publication date: April 16, 2020
    Applicant: Sanaria Inc.
    Inventors: Abraham G. EAPPEN, Stephen L. HOFFMAN
  • Publication number: 20190375831
    Abstract: Antibodies and antigen binding fragments that specifically bind to P. falciparum circumsporozoite protein and neutralize P. falciparum are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. The disclosed antibodies, antigen binding fragments, nucleic acids and vectors can be used, for example, to inhibit a P. falciparum infection.
    Type: Application
    Filed: February 12, 2018
    Publication date: December 12, 2019
    Applicants: HUMAN SERVICES, SANARIA INC
    Inventors: Robert Seder, Neville Kisalu, Azza Idris, Barbara Flynn, Stephen Hoffman
  • Patent number: 10441646
    Abstract: The application is directed to in vitro-reared Plasmodium sporozoites of human host range wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same. Provided herein are in vitro-reared infectious Plasmodium sporozoites (SPZ) of human host range, particularly P. falciparum, P. vivax, P. ovale, P. malariae, and P. knowlesi, wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: October 15, 2019
    Assignee: Sanaria Inc.
    Inventors: Abraham G. Eappen, Stephen L. Hoffman
  • Patent number: 10272146
    Abstract: Disclosed are substantially purified Plasmodium sporozoites and preparations of Plasmodium sporozoites substantially separated from attendant non-sporozoite material, where the preparations of Plasmodium sporozoites have increasing levels of purity. Vaccines and pharmaceutical compositions comprising purified Plasmodium sporozoites are likewise provided. Methods of purifying preparations of Plasmodium sporozoites are also provided.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: April 30, 2019
    Assignee: Sanaria Inc.
    Inventors: B. Kim Lee Sim, Minglin Li, Richard E. Stafford, Stephen L. Hoffman
  • Patent number: 10197577
    Abstract: Disclosed herein are diagnostic methods and compositions for identifying individuals that are protected against Plasmodium falciparum caused malaria. Such methods are particularly useful for determining not only the protective efficacy of Pf whole parasite vaccines for individual subjects, but also within populations of vaccinated subjects. Also disclosed herein are subunit vaccines comprising at least one Pf immunologic determinant for protection against Plasmodium-caused malaria.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: February 5, 2019
    Assignees: Sanaria Inc., Antigen Discovery, Inc., The United States of America, as represented by the Secretary, Department of Health and Human Services
    Inventors: Philip Felgner, Stephen L. Hoffman, Robert Seder, Joseph J. Campo, Jr.
  • Publication number: 20180231566
    Abstract: Disclosed herein are diagnostic methods and compositions for identifying individuals that are protected against Plasmodium falciparum caused malaria. Such methods are particularly useful for determining not only the protective efficacy of Pf whole parasite vaccines for individual subjects, but also within populations of vaccinated subjects. Also disclosed herein are subunit vaccines comprising at least one Pf immunologic determinant for protection against Plasmodium-caused malaria.
    Type: Application
    Filed: December 29, 2017
    Publication date: August 16, 2018
    Applicants: Sanaria Inc., Antigen Discovery, Inc., The United States of America, as represented by the Secretary, Department of Health and Human
    Inventors: Philip FELGNER, Stephen L. HOFFMAN, Robert SEDER, Joseph J. CAMPO, JR.
  • Publication number: 20180161413
    Abstract: The application is directed to in vitro-reared Plasmodium sporozoites of human host range wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same. Provided herein are in vitro-reared infectious Plasmodium sporozoites (SPZ) of human host range, particularly P. falciparum, P. vivax, P. ovale, P. malariae, and P. knowlesi, wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same.
    Type: Application
    Filed: December 29, 2017
    Publication date: June 14, 2018
    Applicant: SANARIA INC.
    Inventors: Abraham G. EAPPEN, Stephen L. HOFFMAN
  • Patent number: 9931389
    Abstract: Disclosed herein are mutant Plasmodium-species parasites that are genetically attenuated (GAP). They retain the ability to infect a host and invade host hepatocytes but subsequently their development is completely arrested within the liver stage of Plasmodium development and the parasites do not reach the blood stage of development. Vaccines and pharmaceutical compositions comprising genetically attenuated Plasmodium sporozoites as well as methods of using the same are likewise provided.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: April 3, 2018
    Assignees: SANARIA INC., ACADEMISCH ZIEKENHUIS LEIDEN, STICHTING KATHOLIEKE UNIVERSTEIT
    Inventors: Chris J. Janse, Takeshi Annoura, Shahid M. Khan, Ben Van Schaijk, Ivo Hj Ploemen, Martijn W. Vos, Robert Sauerwein
  • Patent number: 9878026
    Abstract: The application is directed to in-vitro-reared Plasmodium sporozoites of human host range wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same. Provided herein are in vitro-reared infectious Plasmodium sporozoites (SPZ) of human host range, particularly P. falciparum, P. vivax, P. ovale, P. malariae, and P. knowlesi, wherein sporogony from gametocyte stage to sporozoite stage is external to mosquitoes, and methods of producing the same.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: January 30, 2018
    Assignee: SANARIA INC.
    Inventors: Abraham G. Eappen, Stephen L. Hoffman
  • Publication number: 20170274061
    Abstract: Disclosed are substantially purified Plasmodium sporozoites and preparations of Plasmodium sporozoites substantially separated from attendant non-sporozoite material, where the preparations of Plasmodium sporozoites have increasing levels of purity. Vaccines and pharmaceutical compositions comprising purified Plasmodium sporozoites are likewise provided. Methods of purifying preparations of Plasmodium sporozoites are also provided.
    Type: Application
    Filed: March 14, 2017
    Publication date: September 28, 2017
    Applicant: Sanaria Inc.
    Inventors: B. Kim Lee SIM, Minglin Li, Richard E. Stafford, Stephen L. Hoffman
  • Patent number: 9642909
    Abstract: Disclosed herein are pharmaceutical compositions comprising Plasmodium sporozoite-stage parasites and compatible glycolipid adjuvants useful in vaccines for preventing or reducing the risk of malaria. In particular, human host range Plasmodium and analogues of ?-galactosylceramide (?-GalCer), a ligand for natural killer T (NKT) cells, are combined in pharmaceutical compositions, which are useful as vaccines against malaria. Methods of use are also provided.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: May 9, 2017
    Assignees: Sanaria Inc., The Rockefeller University
    Inventors: Sumana Chakravarty, Stephen L. Hoffman, Moriya Tsuji