Patents by Inventor Rajkannan Rajagopalan

Rajkannan Rajagopalan 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: 12042537
    Abstract: The present disclosure provides methods, uses and compositions and kits for use in inducing an antibody immune response in a human subject. The methods and uses involve administering parenterally a low dose volume of a composition comprising an antigen comprising a B-cell epitope, an amphipathic compound, and a hydrophobic carrier, wherein the low dose volume of the composition is less than 100 ?l and induces an antibody immune response to the B-cell epitope in the human subject.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: July 23, 2024
    Assignee: BioVaxys Inc.
    Inventors: Marc Mansour, Frederic Ors, Marianne Stanford, Leeladhar Sammatur, Rajkannan Rajagopalan, Lisa Diana MacDonald
  • Publication number: 20230355526
    Abstract: The present disclosure provides liposomal compositions comprising lipids, in particular phospholipids and cholesterol, a negatively charged biomolecule, such as a polynucleotide, an ionizable aminoglycoside, such as chitosan, and an oil-based carrier. The compositions can be used for delivery of the biomolecule to targeted cells. The disclosure also provides the use of the composition for the treatment or prevention of cancer or infectious disease or ailment ameliorated by humoral and cellular immune response. The compositions can also be used for expressing polypeptides encoded by the nucleic acid components in the targeted cells.
    Type: Application
    Filed: September 28, 2021
    Publication date: November 9, 2023
    Inventors: Marianne STANFORD, Frederic ORS, Olga HRYTSENKO, Rajkannan RAJAGOPALAN
  • Publication number: 20230000769
    Abstract: Provided herein are methods and compositions for the delivery of at least two active, therapeutic, or pharmaceutical agents in an oil-in-water emulsion, wherein at least one agent is delivered in the hydrophobic phase of the emulsion and at least one agent is delivered in the aqueous phase of the emulsion.
    Type: Application
    Filed: October 15, 2020
    Publication date: January 5, 2023
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Rajkannan RAJAGOPALAN, Marianne STANFORD, Heather TORREY
  • Publication number: 20220347296
    Abstract: The present disclosure provides methods, uses and compositions and kits for use in inducing an antibody immune response in a human subject. The methods and uses involve administering parenterally a low dose volume of a composition comprising an antigen comprising a B-cell epitope, an amphipathic compound, and a hydrophobic carrier, wherein the low dose volume of the composition is less than 100 ?l and induces an antibody immune response to the B-cell epitope in the human subject.
    Type: Application
    Filed: June 30, 2022
    Publication date: November 3, 2022
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Marc MANSOUR, Frederic ORS, Marianne STANFORD, Leeladhar SAMMATUR, Rajkannan RAJAGOPALAN, Lisa Diana MACDONALD
  • Patent number: 11406705
    Abstract: The present disclosure provides methods, uses and compositions and kits for use in inducing an antibody immune response in a human subject. The methods and uses involve administering parenterally a low dose volume of a composition comprising an antigen comprising a B-cell epitope, an amphipathic compound, and a hydrophobic carrier, wherein the low dose volume of the composition is less than 100 ?l and induces an antibody immune response to the B-cell epitope in the human subject.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: August 9, 2022
    Assignee: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Marc Mansour, Frederic Ors, Marianne Stanford, Leeladhar Sammatur, Rajkannan Rajagopalan, Lisa Diana MacDonald
  • Publication number: 20220125903
    Abstract: The present application relates generally to methods for treating tumors, and in particular to methods for improving the efficacy of a survivin therapeutic in the treatment of tumors by improving survivin specific T cell infiltration in tumor.
    Type: Application
    Filed: November 18, 2019
    Publication date: April 28, 2022
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Marianne STANFORD, Stephan FISET, Lisa MACDONALD, Genevieve WEIR, Rajkannan RAJAGOPALAN
  • Publication number: 20210147544
    Abstract: The present disclosure relates to the targeted delivery of defined active agents and/or immunomodulatory agents to lymph nodes or lipoid cells in a lymphatic tissue. More particularly, the invention provides methods for targeted delivery of a defined active agent or immunomodulatory agent to lymph nodes or lymphoid cells in a lymphatic tissue, comprising administering to a subject in need thereof a composition comprising the active agent or immunomodulatory agent, one or more lipid-based structures, and a hydrophobic carrier.
    Type: Application
    Filed: March 18, 2019
    Publication date: May 20, 2021
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Rajkannan RAJAGOPALAN, Leeladhar SAMMATUR, Marianne STANFORD, Heather TORREY, Genevieve WEIR
  • Patent number: 10988500
    Abstract: The invention provides lipid A mimics in which one or both of the sugar residues of a natural lipid A disaccharide backbone has been replaced with an aromatic group. These lipid A mimics may further differ from a natural lipid A molecule with respect to other structural characteristics, such as, a different number of phosphate groups present, changes in the number, structure and location of lipid chains and/or changes in the spacing and linkage of the sugar residues (or their aromatic replacements). The lipid A mimics may be lipid A agonists and as such may be useful as immunostimulatory agents in inducing or patenting an antibody and/or cell-mediated immune response, or may be lipid A antagonists and as such may be useful in treating or preventing a lipopolysaccharide (LPS)/lipid A-mediated disease or disorder. Also provided are methods for preparing the lipid A mimics.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: April 27, 2021
    Assignee: Immunovaccine Technologies Inc.
    Inventors: Zi-hua Jiang, Jordan David Lewicky, Genevieve Mary Weir, Rajkannan Rajagopalan, Leeladhar Sammatur, Marianne Michelle Stanford, Marc Mansour
  • Publication number: 20200353062
    Abstract: The present disclosure relates to methods for preparing a dried preparation comprising lipids and therapeutic agents whereby the therapeutic agents are incorporated both before and after sizing of lipid vesicle particles to a mean particle size of ?120 nm and a polydispersity index (PDI) of ?0.1. The present application also provides stable, water-free pharmaceutical compositions comprising one or more lipid-based structures having a single layer lipid assembly, at least two therapeutic agents, and a hydrophobic carrier, as well as methods of treatment, uses and kits relating thereto, such as for example for inducing an antibody and/or CTL immune response.
    Type: Application
    Filed: November 9, 2017
    Publication date: November 12, 2020
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Leeladhar SAMMATUR, Rajkannan RAJAGOPALAN, Arthvan SHARMA, Valarmathy KALIAPERUMAL, Genevieve WEIR, Marianne STANFORD, Andrea PENWELL
  • Publication number: 20200230057
    Abstract: The present disclosure relates to methods for preparing a dried preparation comprising lipids and a therapeutic agent by using lipid vesicle particles having a mean particle size of ?120 nm and a polydispersity index (PDI) of ?0.1. The present application also provides stable, water-free pharmaceutical compositions comprising one or more lipid-based structures having a single layer lipid assembly, at least one therapeutic agent, and a hydrophobic carrier, as well as methods of treatment, uses and kits relating thereto, such as for example for inducing an antibody and/or CTL immune response.
    Type: Application
    Filed: November 9, 2017
    Publication date: July 23, 2020
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Leeladhar SAMMATUR, Rajkannan RAJAGOPALAN, Arthvan SHARMA, Valarmathy KALIAPERUMAL, Genevieve WEIR, Marianne STANFORD, Andrea PENWELL
  • Publication number: 20200109160
    Abstract: The invention provides lipid A mimics in which one or both of the sugar residues of a natural lipid A disaccharide backbone has been replaced with an aromatic group. These lipid A mimics may further differ from a natural lipid A molecule with respect to other structural characteristics, such as, a different number of phosphate groups present, changes in the number, structure and location of lipid chains and/or changes in the spacing and linkage of the sugar residues (or their aromatic replacements). The lipid A mimics may be lipid A agonists and as such may be useful as immunostimulatory agents in inducing or patenting an antibody and/or cell-mediated immune response, or may be lipid A antagonists and as such may be useful in treating or preventing a lipopolysaccharide (LPS)/lipid A-mediated disease or disorder. Also provided are methods for preparing the lipid A mimics.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 9, 2020
    Applicant: Immunovaccine Technologies Inc.
    Inventors: Jiang Zi-hua, Jordan David Lewicky, Genevieve Mary Weir, Rajkannan Rajagopalan, Leeladhar Sammatur, Marianne Michelle Stanford, Marc Mansour
  • Patent number: 10533033
    Abstract: The invention provides lipid A mimics in which one or both of the sugar residues of a natural lipid A disaccharide backbone has been replaced with an aromatic group. These lipid A mimics may further differ from a natural lipid A molecule with respect to other structural characteristics, such as, a different number of phosphate groups present, changes in the number, structure and location of lipid chains and/or changes in the spacing and linkage of the sugar residues (or their aromatic replacements). The lipid A mimics may be lipid A agonists and as such may be useful as immunostimulatory agents in inducing or patenting an antibody and/or cell-mediated immune response, or may be lipid A antagonists and as such may be useful in treating or preventing a lipopolysaccharide (LPS)/lipid A-mediated disease or disorder. Also provided are methods for preparing the lipid A mimics.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 14, 2020
    Assignee: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Zi-hua Jiang, Jordan David Lewicky, Genevieve Mary Weir, Rajkannan Rajagopalan, Leeladhar Sammatur, Marianne Michelle Stanford, Marc Mansour
  • Publication number: 20190224312
    Abstract: The present disclosure provides methods, uses and compositions and kits for use in inducing an antibody immune response in a human subject. The methods and uses involve administering parenterally a low dose volume of a composition comprising an antigen comprising a B-cell epitope, an amphipathic compound, and a hydrophobic carrier, wherein the low dose volume of the composition is less than 100 ?l and induces an antibody immune response to the B-cell epitope in the human subject.
    Type: Application
    Filed: September 27, 2016
    Publication date: July 25, 2019
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Marc Mansour, Frederic Ors, Marianne Stanford, Leeladhar SAMMATUR, Rajkannan Rajagopalan, Lisa Diana MACDONALD
  • Publication number: 20180162913
    Abstract: The present disclosure provides methods, vaccines and kits for potentiating an immune response to an antigen in a subject. The methods comprise administering to the subject at least one dose of a depot-forming vaccine comprising one or more antigens in a hydrophobic carrier; and subsequently administering to the subject at least one dose of a non-depot-forming vaccine comprising the one or more antigens.
    Type: Application
    Filed: April 27, 2016
    Publication date: June 14, 2018
    Applicant: IMMUNOVACCINE TECHNOLOGIES INC.
    Inventors: Marc MANSOUR, Genevieve Mary WEIR, Leeladhar SAMMATUR, Rajkannan RAJAGOPALAN, Marianne STANFORD, Lisa Diana MACDONALD
  • Publication number: 20180009833
    Abstract: The invention provides lipid A mimics in which one or both of the sugar residues of a natural lipid A disaccharide backbone has been replaced with an aromatic group. These lipid A mimics may further differ from a natural lipid A molecule with respect to other structural characteristics, such as, a different number of phosphate groups present, changes in the number, structure and location of lipid chains and/or changes in the spacing and linkage of the sugar residues (or their aromatic replacements). The lipid A mimics may be lipid A agonists and as such may be useful as immunostimulatory agents in inducing or patenting an antibody and/or cell-mediated immune response, or may be lipid A antagonists and as such may be useful in treating or preventing a lipopolysaccharide (LPS)/lipid A-mediated disease or disorder. Also provided are methods for preparing the lipid A mimics.
    Type: Application
    Filed: December 11, 2015
    Publication date: January 11, 2018
    Applicant: Immunovaccine Technologies Inc.
    Inventors: Zi-hua Jiang, Jordan David Lewicky, Genevieve Mary Weir, Rajkannan Rajagopalan, Leeladhar Sammatur, Marianne Michelle Stanford, Marc Mansour