Patents Assigned to Advaxis
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Patent number: 12239738Abstract: 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: GrantFiled: October 18, 2021Date of Patent: March 4, 2025Assignee: Advaxis, Inc.Inventors: David Fela, Anu Wallecha, Mike Grace, Melissa Gosse
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Publication number: 20240124540Abstract: 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: ApplicationFiled: November 21, 2023Publication date: April 18, 2024Applicant: Advaxis, Inc.Inventors: Robert Petit, Michael F. Princiotta, Brandon Coder, David Balli
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Publication number: 20230357781Abstract: 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: ApplicationFiled: May 12, 2023Publication date: November 9, 2023Applicant: Advaxis, Inc.Inventors: Robert Petit, Michael F. Princiotta
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Patent number: 11702664Abstract: 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: GrantFiled: December 18, 2020Date of Patent: July 18, 2023Assignee: Advaxis, inc.Inventors: Robert Petit, Michael F. Princiotta
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Publication number: 20220062181Abstract: 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: ApplicationFiled: October 18, 2021Publication date: March 3, 2022Applicant: Advaxis, Inc.Inventors: David Fela, Anu Wallecha, Mike Grace, Melissa Gosse
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Patent number: 11179339Abstract: 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: GrantFiled: August 29, 2018Date of Patent: November 23, 2021Assignee: Advaxis, Inc.Inventors: David Fela, Anu Wallecha, Mike Grace, Melissa Gosse
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Publication number: 20190381160Abstract: 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: ApplicationFiled: May 26, 2016Publication date: December 19, 2019Applicant: Advaxis, Inc.Inventors: Robert PETIT, Kyle PERRY, Michael F. PRINCIOTTA, Daniel J O'CONNOR
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Publication number: 20190322714Abstract: 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: ApplicationFiled: November 30, 2017Publication date: October 24, 2019Applicant: Advaxis, Inc.Inventors: Robert Petit, Michael F. Princiotta, Brandon Coder, David Balli
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Publication number: 20190248856Abstract: 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: ApplicationFiled: June 30, 2017Publication date: August 15, 2019Applicant: Advaxis, Inc.Inventors: Michael Princiotta, Robert Petit
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Publication number: 20190032064Abstract: 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: ApplicationFiled: January 27, 2017Publication date: January 31, 2019Applicant: Advaxis, Inc.Inventors: Robert PETIT, Kyle PERRY, Michael F. PRINCIOTTA
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Patent number: 10143734Abstract: 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: GrantFiled: February 18, 2015Date of Patent: December 4, 2018Assignee: Advaxis, Inc.Inventor: Robert Petit
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Publication number: 20180305702Abstract: 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: ApplicationFiled: September 14, 2016Publication date: October 25, 2018Applicant: Advaxis, Inc.Inventors: Robert Petit, Michael F. Princiotta, Kyle Perry
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Patent number: 9907849Abstract: 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: GrantFiled: July 17, 2015Date of Patent: March 6, 2018Assignees: Advaxis, Inc., Merck Sharp & Dohme Corp.Inventors: Robert Petit, David J. Mauro, Rodolfo F. Perini
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Publication number: 20170106072Abstract: 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: ApplicationFiled: February 18, 2015Publication date: April 20, 2017Applicant: Advaxis, Inc.Inventor: Robert PETIT
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Publication number: 20160220652Abstract: 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: ApplicationFiled: February 3, 2016Publication date: August 4, 2016Applicant: Advaxis, Inc.Inventors: Robert PETIT, Poonam Molli
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Patent number: 9084747Abstract: 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: GrantFiled: November 12, 2010Date of Patent: July 21, 2015Assignees: Advaxis, Inc., The Trustees Of The University Of PennsylvaniaInventors: Vafa Shahabi, Anu Wallecha, Paulo C. Maciag, Yvonne Paterson, Matthew Seavey
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Patent number: 9017660Abstract: 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: GrantFiled: August 16, 2011Date of Patent: April 28, 2015Assignees: Advaxis, Inc., The Trustees of the University of PennsylvaniaInventors: Vafa Shahabi, Anu Wallecha, Paulo C. Maciag, Yvonne Paterson, Nicola Mason, Matthew Seavey
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Patent number: 9012141Abstract: 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: GrantFiled: May 10, 2007Date of Patent: April 21, 2015Assignees: Advaxis, Inc., The Trustees of the University of PennsylvaniaInventors: Yvonne Paterson, John Rothman, Vafa Shahabi
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Patent number: 8956621Abstract: 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: GrantFiled: December 8, 2011Date of Patent: February 17, 2015Assignees: The Trustees of the University of Pennsylvania, Advaxis, Inc.Inventors: Yvonne Paterson, John Rothman
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Publication number: 20140314708Abstract: 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: ApplicationFiled: March 11, 2014Publication date: October 23, 2014Applicant: Advaxis, Inc.Inventors: Paulo Maciag, Anu Wallecha, Vafa Shahabi