Patents Assigned to Advaxis
  • Patent number: 12239738
    Abstract: Methods and compositions are provided for lyophilization of bacteria or Listeria strains, such as Listeria monocytogenes. Provided are methods for producing a lyophilized composition comprising a bacteria or Listeria strain, formulations for lyophilization comprising a bacteria or Listeria strain, lyophilized bacteria or Listeria strains, and methods of preparing frozen bacteria or Listeria strains for lyophilization.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: March 4, 2025
    Assignee: Advaxis, Inc.
    Inventors: David Fela, Anu Wallecha, Mike Grace, Melissa Gosse
  • Publication number: 20240124540
    Abstract: Provided herein are recombinant fusion polypeptides comprising one or more antigenic peptides (e.g., fused to a PEST-containing peptide) from cancer-associated proteins. The antigenic peptides can comprise one or more or all of an antigenic peptide comprising a recurrent cancer mutation, an antigenic peptide comprising a heteroclitic mutation, or an antigenic peptide fused to a ubiquitin protein. For example, provided herein are recombinant fusion polypeptides comprising two or more antigenic peptides (e.g., fused to a PEST-containing peptide), wherein each antigenic peptide comprises a recurrent cancer mutation, and wherein at least two of the antigenic peptides are fragments of the same cancer-associated protein. Also provided are nucleic acids encoding such fusion polypeptides, recombinant bacteria or Listeria strains comprising such fusion polypeptides or such nucleic acids, and cell banks comprising such recombinant bacteria or Listeria strains.
    Type: Application
    Filed: November 21, 2023
    Publication date: April 18, 2024
    Applicant: Advaxis, Inc.
    Inventors: Robert Petit, Michael F. Princiotta, Brandon Coder, David Balli
  • Publication number: 20230357781
    Abstract: This disclosure provides compositions, including Listeria delivery vectors comprising minigene expression constructs, and methods of using the same for inducing an immune response against an antigen-expressing tumor and for treating the same, and vaccinating against the same in subjects bearing the tumors.
    Type: Application
    Filed: May 12, 2023
    Publication date: November 9, 2023
    Applicant: Advaxis, Inc.
    Inventors: Robert Petit, Michael F. Princiotta
  • Patent number: 11702664
    Abstract: This disclosure provides compositions, including Listeria delivery vectors comprising minigene expression constructs, and methods of using the same for inducing an immune response against an antigen-expressing tumor and for treating the same, and vaccinating against the same in subjects bearing the tumors.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: July 18, 2023
    Assignee: Advaxis, inc.
    Inventors: Robert Petit, Michael F. Princiotta
  • Publication number: 20220062181
    Abstract: Methods and compositions are provided for lyophilization of bacteria or Listeria strains, such as Listeria monocytogenes. Provided are methods for producing a lyophilized composition comprising a bacteria or Listeria strain, formulations for lyophilization comprising a bacteria or Listeria strain, lyophilized bacteria or Listeria strains, and methods of preparing frozen bacteria or Listeria strains for lyophilization.
    Type: Application
    Filed: October 18, 2021
    Publication date: March 3, 2022
    Applicant: Advaxis, Inc.
    Inventors: David Fela, Anu Wallecha, Mike Grace, Melissa Gosse
  • Patent number: 11179339
    Abstract: Methods and compositions are provided for lyophilization of bacteria or Listeria strains, such as Listeria monocytogenes. Provided are methods for producing a lyophilized composition comprising a bacteria or Listeria strain, formulations for lyophilization comprising a bacteria or Listeria strain, lyophilized bacteria or Listeria strains, and methods of preparing frozen bacteria or Listeria strains for lyophilization.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: November 23, 2021
    Assignee: Advaxis, Inc.
    Inventors: David Fela, Anu Wallecha, Mike Grace, Melissa Gosse
  • Publication number: 20190381160
    Abstract: This invention provides a system of providing and creating personalized immunotherapeutic compositions for a subject having a disease or condition, including therapeutic immunotherapy delivery vectors and methods of making the same comprising gene expression constructs expressing peptides associated with one or more neo-epitopes or peptides containing mutations that are specific to a subject's cancer or unhealthy tissue. A delivery vector of this invention includes bacterial vectors including Listeria bacterial vectors; or viral vectors, peptide immunotherapy vectors; or DNA immunotherapy vectors, comprising one or more fusion proteins comprising one or more peptides comprising one or more neo-epitopes present in disease-bearing biological samples obtained from the subject. This invention also provides methods of using the same for inducing an immune response against a disease or condition, including a tumor or cancer, or an infection, or an autoimmune disease or an organ transplant rejection in the subject.
    Type: Application
    Filed: May 26, 2016
    Publication date: December 19, 2019
    Applicant: Advaxis, Inc.
    Inventors: Robert PETIT, Kyle PERRY, Michael F. PRINCIOTTA, Daniel J O'CONNOR
  • Publication number: 20190322714
    Abstract: Provided herein are recombinant fusion polypeptides comprising one or more antigenic peptides (e.g., fused to a PEST-containing peptide) from cancer-associated proteins. The antigenic peptides can comprise one or more or all of an antigenic peptide comprising a recurrent cancer mutation, an antigenic peptide comprising a heteroclitic mutation, or an antigenic peptide fused to a ubiquitin protein. For example, provided herein are recombinant fusion polypeptides comprising two or more antigenic peptides (e.g., fused to a PEST-containing peptide), wherein each antigenic peptide comprises a recurrent cancer mutation, and wherein at least two of the antigenic peptides are fragments of the same cancer-associated protein. Also provided are nucleic acids encoding such fusion polypeptides, recombinant bacteria or Listeria strains comprising such fusion polypeptides or such nucleic acids, and cell banks comprising such recombinant bacteria or Listeria strains.
    Type: Application
    Filed: November 30, 2017
    Publication date: October 24, 2019
    Applicant: Advaxis, Inc.
    Inventors: Robert Petit, Michael F. Princiotta, Brandon Coder, David Balli
  • Publication number: 20190248856
    Abstract: Provided are Listeria-based immunogenic compositions comprising Wilms tumor protein (WT1) antigens and methods for treating and vaccinating against cancer and inducing an immune response against the same in a subject. Also provided herein are recombinant fusion polypeptides or chimeric polypeptides comprising Wilms tumor protein antigens, nucleic acids encoding such chimeric polypeptides or fusion polypeptides, recombinant bacteria or Listeria strains comprising such chimeric polypeptides or fusion polypeptides or such nucleic acids, and cell banks comprising such recombinant bacteria or Listeria strains. Also provided herein are methods of generating such chimeric polypeptides or fusion polypeptides, such nucleic acids, and such recombinant bacteria or Listeria strains. Also provided are immunogenic compositions, pharmaceutical compositions, and vaccines comprising such chimeric polypeptides or fusion polypeptides, such nucleic acids, or such recombinant bacteria or Listeria strains.
    Type: Application
    Filed: June 30, 2017
    Publication date: August 15, 2019
    Applicant: Advaxis, Inc.
    Inventors: Michael Princiotta, Robert Petit
  • Publication number: 20190032064
    Abstract: Disclosed herein is a personalized immunotherapy composition for a subject having a disease or condition, including therapeutic vaccine delivery vectors and methods of making the same comprising gene expression constructs expressing frameshift-mutation-derived peptides associated with one or more neo-epitopes encoded by nucleic acid sequences comprising at least one frameshift mutation, wherein the frameshift mutation is specific to a subject's cancer or unhealthy tissue. A delivery vector of this disclosure includes bacterial vectors; or viral vectors, or peptide vaccine vectors; or DNA vaccine vectors including Listeria bacterial vectors comprising one or more fusion proteins comprising one or more frameshift-mutation-derived peptides comprising one or more neo-epitopes present in disease-bearing biological samples obtained from the subject.
    Type: Application
    Filed: January 27, 2017
    Publication date: January 31, 2019
    Applicant: Advaxis, Inc.
    Inventors: Robert PETIT, Kyle PERRY, Michael F. PRINCIOTTA
  • Patent number: 10143734
    Abstract: This invention provides methods and compositions for using evaluating biomarker expression in a disease and providing a multi-targeted Listeria-based immunotherapeutic approach against said disease. In a related aspect, the invention relates to a method of treating a disease in a subject, the method comprising the steps of: a. obtaining a biological sample from said subject; b. evaluating the expression of a predetermined number of biomarkers in said biological sample; c. administering to said subject a composition comprising a recombinant Listeria strain, said strain comprising a nucleic acid sequence encoding at least one fusion protein, wherein said fusion protein comprises a biomarker identified in said biological sample, wherein said biomarker is associated with said disease, wherein said biomarker is fused to a PEST-containing polypeptide, and wherein each fusion protein within said Listeria comprises a different biomarker, thereby treating said disease in said subject.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: December 4, 2018
    Assignee: Advaxis, Inc.
    Inventor: Robert Petit
  • Publication number: 20180305702
    Abstract: Disclosed herein are recombinant Listeria strains comprising nucleotides encoding two or more heterologous antigens each fused to a truncated LLO, an N-terminal ActA or a PEST-sequence, methods of preparing same, and methods of inducing an immune response, and treating, inhibiting, or suppressing cancer or tumors comprising administering same.
    Type: Application
    Filed: September 14, 2016
    Publication date: October 25, 2018
    Applicant: Advaxis, Inc.
    Inventors: Robert Petit, Michael F. Princiotta, Kyle Perry
  • Patent number: 9907849
    Abstract: The present disclosure describes combination therapies comprising an antagonist of Programmed Death 1 receptor (PD-1) and a Listeria based strain that expresses prostate-tissue specific antigen (PSA), and the use of the combination therapies for the treatment of prostate cancer.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: March 6, 2018
    Assignees: Advaxis, Inc., Merck Sharp & Dohme Corp.
    Inventors: Robert Petit, David J. Mauro, Rodolfo F. Perini
  • Publication number: 20170106072
    Abstract: This invention provides methods and compositions for using evaluating biomarker expression in a disease and providing a multi-targeted Listeria-based immunotherapeutic approach against said disease. In a related aspect, the invention relates to a method of treating a disease in a subject, the method comprising the steps of: a. obtaining a biological sample from said subject; b. evaluating the expression of a predetermined number of biomarkers in said biological sample; c. administering to said subject a composition comprising a recombinant Listeria strain, said strain comprising a nucleic acid sequence encoding at least one fusion protein, wherein said fusion protein comprises a biomarker identified in said biological sample, wherein said biomarker is associated with said disease, wherein said biomarker is fused to a PEST-containing polypeptide, and wherein each fusion protein within said Listeria comprises a different biomarker, thereby treating said disease in said subject.
    Type: Application
    Filed: February 18, 2015
    Publication date: April 20, 2017
    Applicant: Advaxis, Inc.
    Inventor: Robert PETIT
  • Publication number: 20160220652
    Abstract: The present disclosure provides methods of treating, protecting against, enhancing and inducing an immune response against a tumor or cancer, comprising the step of administering to a subject a recombinant Listeria. In other embodiments, the Listeria stimulates the STING pathway.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Applicant: Advaxis, Inc.
    Inventors: Robert PETIT, Poonam Molli
  • Patent number: 9084747
    Abstract: This invention provides compositions and methods for treating and vaccinating against an Her2/neu antigen-expressing tumor and inducing an immune response against dominant and several sub-dominant epitopes of the antigen.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: July 21, 2015
    Assignees: Advaxis, Inc., The Trustees Of The University Of Pennsylvania
    Inventors: Vafa Shahabi, Anu Wallecha, Paulo C. Maciag, Yvonne Paterson, Matthew Seavey
  • Patent number: 9017660
    Abstract: This invention provides compositions and methods for treating and vaccinating against an Her2/neu antigen-expressing tumor and inducing an immune response against dominant in a non-human animal.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: April 28, 2015
    Assignees: Advaxis, Inc., The Trustees of the University of Pennsylvania
    Inventors: Vafa Shahabi, Anu Wallecha, Paulo C. Maciag, Yvonne Paterson, Nicola Mason, Matthew Seavey
  • Patent number: 9012141
    Abstract: The present invention provides KLK3 peptides, FOLH1 peptides, recombinant polypeptides comprising same, recombinant nucleotide molecules encoding same, recombinant Listeria strains comprising same, and immunogenic and therapeutic methods utilizing same.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: April 21, 2015
    Assignees: Advaxis, Inc., The Trustees of the University of Pennsylvania
    Inventors: Yvonne Paterson, John Rothman, Vafa Shahabi
  • Patent number: 8956621
    Abstract: The present invention provides methods of treating, protecting against, and inducing an immune response against cervical dysplasia and cancer, comprising the step of administering to a subject a recombinant Listeria strain, comprising a fusion peptide that comprises an LLO fragment and an E7 and/or E6 antigen. The present invention also provides methods for inducing an anti-E7 CTL response in a human subject and treating HPV-mediated diseases, disorders, and symptoms, comprising administration of the recombinant Listeria strain.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: February 17, 2015
    Assignees: The Trustees of the University of Pennsylvania, Advaxis, Inc.
    Inventors: Yvonne Paterson, John Rothman
  • Publication number: 20140314708
    Abstract: Provided herein are recombinant Listeria strains expressing a tumor-specific antigenic polypeptide and, optionally, an angiogenic polypeptide wherein a nucleic acid molecule encoding at least one of the polypeptides is operably integrated into the Listeria genome in an open reading frame with a nucleic acid sequence encoding a PEST-containing polypeptide, methods of preparing same, and methods of inducing an immune response, and treating, inhibiting, or suppressing cancer or tumors comprising administering same.
    Type: Application
    Filed: March 11, 2014
    Publication date: October 23, 2014
    Applicant: Advaxis, Inc.
    Inventors: Paulo Maciag, Anu Wallecha, Vafa Shahabi