Patents Assigned to PsiOxus Therapeutics Limited
  • Patent number: 11439678
    Abstract: The present disclosure relates to a group B adenovirus comprising a sequence of formula (I): 5?ITR-B1-BA-B2-BX-BB-BY-B3-3?ITR wherein: B1 is bond or comprises: E1A, E1B or E1A-E1B; BA comprises-E2B-L1-L2-L3-E2A-L4; B2 is a bond or comprises: E3; BX is a bond or a DNA sequence comprising: a restriction site, one or more transgenes or both; BB comprises L5; BY is a bond or a DNA sequence comprising: a restriction site, one or more transgenes or both; B3 is a bond or comprises: E4; wherein at least one of BX or BY is not a bond, pharmaceutical compositions comprising the same and use of the viruses and compositions in treatment, particularly in the treatment of cancer. The disclosure also extends to plasmids and processes employed to prepare the said viruses.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: September 13, 2022
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Robert Champion, Alice Claire Noel Brown, Kerry David Fisher, Tamara Nicolson
  • Patent number: 11173186
    Abstract: A method of treating a human patient comprising systemically administering multiple doses of a parenteral formulation of a replication capable oncolytic adenovirus of subgroup B in a single treatment cycle, wherein the total dose given in each dose is in the range of 1×1010 to 1×1014 viral particles, and wherein each dose of virus is administered over a period of 1 to 90 minutes, for example at a rate of viral particle delivery in the range of 2×1010 particles per minute to 2×1012 particles per minute. Also provided are formulations of the oncolytic adenoviruses and combination therapies of the viruses and formulations with other therapeutic agents.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: November 16, 2021
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: John William Beadle, Kerry Fisher, Christine Wilkinson Blanc
  • Patent number: 11155622
    Abstract: The present disclosure relates to a replication deficient oncolytic viral vector or replication capable oncolytic virus encoding an antibody or a binding fragment thereof to the antigen-specific T-cell receptor complex (TCR) for expression on the surface of a cancer cell, pharmaceutical compositions comprising the same, and use of any one of the same in treatment, particularly in the treatment of cancer.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: October 26, 2021
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Alice Claire Noel Brown, Brian Robert Champion
  • Patent number: 11142580
    Abstract: An oncolytic virus (for example a replication competent virus) comprising a transgene cassette encoding an anti-CD40 antibody or binding fragment thereof, wherein the transgene cassette comprises an amino acid sequence given in SEQ ID NO: 12 or a sequence at least 95% identical thereto (such as 96, 97, 98 or 99% identical thereto), in particular a cassette of SEQ ID NO: 12; pharmaceutical compositions comprising the same, methods of preparing said oncolytic virus and compositions and use of the oncolytic virus or composition in treatment, in particular in the treatment of cancer. Also provided is the treatment of a patient population characterised as having a cancer expressing CD40, in particular a cancer over expressing CD40, with a therapy according to the present disclosure.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: October 12, 2021
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Champion, Alice Claire Noel Bromley, Matthieu Besneux
  • Patent number: 11000559
    Abstract: The present disclosure provides a replication competent oncolytic adenovirus with selectivity for cancer cells, wherein the adenovirus comprises a transgene under the control of a promoter endogenous to the virus, wherein the transgene comprises a DNA sequence encoding a B7 protein or an active fragment thereof, compositions comprising same, methods of generating the viruses, and use of the viruses and compositions in treatment, particularly in the treatment of cancer.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: May 11, 2021
    Assignee: PsiOxus Therapeutics Limited
    Inventors: Brian Robert Champion, Alice Claire Noel Bromley
  • Patent number: 10849945
    Abstract: The present disclosure provides a replication competent oncolytic adenovirus with selectivity for cancer cells, wherein the adenovirus comprises a transgene under the control of a promoter endogenous to the virus, wherein the transgene comprises a DNA sequence encoding a B7 protein or an active fragment thereof, compositions comprising same, methods of generating the viruses, and use of the viruses and compositions in treatment, particularly in the treatment of cancer.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 1, 2020
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Robert Champion, Alice Claire Noel Brown
  • Patent number: 10548929
    Abstract: The present disclosure provides a oncolytic adenovirus with selectivity for cancer cells, wherein the adenovirus comprises a transgene under the control of a promoter endogenous to the virus, wherein the transgene comprises a DNA sequence encoding a membrane anchored anti-CD3 antibody or a binding fragment thereof, compositions comprising same, methods of generating the viruses, and use of the viruses and compositions in treatment, particularly in the treatment of cancer.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: February 4, 2020
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Robert Champion, Alice Claire Noel Brown
  • Patent number: 10472648
    Abstract: The present disclosure relates to a method of making an adenovirus plasmid comprising a part or all of an adenovirus genome and one or more original restriction sites allowing rapid and flexible manipulation of the adenovirus genome, and methods of preparing adenovirus constructs, for example comprising a transgene. The disclosure also extends to novel intermediates employed in and generated by the method, to plasmids and shuttle vectors of the method and to adenoviruses or adenoviral vectors obtainable from the plasmid and/or method. The disclosure further relates to use of the viruses or vectors, for example obtained from a method disclosed herein, in therapy, such as use in the treatment of cancer.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 12, 2019
    Assignee: Psioxus Therapeutics Limited
    Inventors: Alice Claire Noel Brown, Tamara Nicolson
  • Patent number: 10322152
    Abstract: The present disclosure provides a replication competent oncolytic adenovirus with selectivity for cancer cells, wherein the adenovirus comprises a transgene under the control of a promoter endogenous to the virus, wherein the transgene comprises a DNA sequence encoding a B7 protein or an active fragment thereof, compositions comprising same, methods of generating the viruses, and use of the viruses and compositions in treatment, particularly in the treatment of cancer.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: June 18, 2019
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Robert Champion, Alice Claire Noel Bromley
  • Publication number: 20180369304
    Abstract: The present disclosure relates to a replication deficient oncolytic viral vector or replication capable oncolytic virus encoding an antibody or a binding fragment thereof to the antigen-specific T-cell receptor complex (TCR) for expression on the surface of a cancer cell, pharmaceutical compositions comprising the same, and use of any one of the same in treatment, particularly in the treatment of cancer.
    Type: Application
    Filed: December 19, 2016
    Publication date: December 27, 2018
    Applicant: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Alice Claire Noel BROWN, Brian Robert CHAMPION
  • Patent number: 10124028
    Abstract: The present disclosure provides a replication competent oncolytic adenovirus with selectivity for cancer cells, wherein the adenovirus comprises a transgene under the control of a promoter endogenous to the virus, wherein the transgene comprises a DNA sequence encoding a B7 protein or an active fragment thereof, compositions comprising same, methods of generating the viruses, and use of the viruses and compositions in treatment, particularly in the treatment of cancer.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: November 13, 2018
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Robert Champion, Alice Claire Noel Brown
  • Patent number: 10034905
    Abstract: The present disclosure relates to a type B adenovirus wherein E4orf4 is deleted or non-functional and generally having a DNA sequence in the E3 region, in particular viruses of formula (I), compositions containing the virus, for example pharmaceutical formulations of the virus, processes for making the viruses and the compositions and use of any one of the same in treatment, particularly in the treatment of cancer, such as colorectal cancer and ovarian cancer. 5?ITR-B1-BA-B2-BX-BB-BT-B3-3?ITR??(I).
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: July 31, 2018
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Leonard Charles William Seymour, Alice Claire Noel Brown, Brian Robert Champion
  • Patent number: 9987314
    Abstract: The present disclosure relates to a group B adenovirus comprising a sequence of formula (I): 5?ITR-B1-BAB2-BX-BB-BY-B3-3?ITR wherein: B1 is bond or comprises: E1A, E1B or E1AE1B; BA comprises: E2B-L1-L2-L3-E2A-L4; B2 is a bond or comprises: E3; BX is a bond or a DNA sequence comprising: a restriction site, one or more transgenes or both; BB comprises L5; BY is a bond or a DNA sequence comprising: a restriction site, one or more transgenes or both; B3 is a bond or comprises: E4; wherein at least one of BX or BY is not a bond, pharmaceutical compositions comprising the same and use of the viruses and compositions in treatment, particularly in the treatment of cancer. The disclosure also extends to plasmids and processes employed to prepare the said viruses.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: June 5, 2018
    Assignee: Psioxus Therapeutics Limited
    Inventors: Brian Robert Champion, Alice Claire Noel Brown, Kerry David Fisher, Tamara Nicolson
  • Publication number: 20170313990
    Abstract: A Process for the Production of Adenovirus The present disclosure relates to a continuous process for the manufacture of an adenovirus wherein the process comprises the steps: A) continuously culturing, in a vessel, mammalian cells infected with the adenovirus in the presence of media suitable for supporting the cells such that the virus replicates, wherein the cells are capable of supporting viral replication, and B) isolating from the media the virus produced from step a) wherein the isolation of virus is not subsequent to a cell lysis step, wherein viable cells for virus infection and production are maintained in the vessel at a level suitable for replicating the virus for the period of continuous manufacture, wherein the process comprises at least one media change or addition and at least one cell change or addition. The disclosure also extends to viruses populations obtained or obtainable from the method.
    Type: Application
    Filed: August 27, 2015
    Publication date: November 2, 2017
    Applicant: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Brian Robert CHAMPION, Jeetendra BHATIA, Ashvin PATEL
  • Patent number: 9234185
    Abstract: The present invention relates to oncolytic adenoviruses having therapeutic applications. Recombinant chimeric adenoviruses, and methods to produce them are provided. The chimeric adenoviruses of the invention comprise nucleic acid sequences derived from adenoviral serotypes classified within the subgroups B through F and demonstrate an enhanced therapeutic index.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: January 12, 2016
    Assignee: PSIOXUS THERAPEUTICS LIMITED
    Inventors: Paul Harden, Terry Hermiston, Irene Kuhn
  • Patent number: 9115337
    Abstract: The present invention relates to oncolytic adenoviruses having therapeutic applications. Recombinant chimeric adenoviruses, and methods to produce them are provided. The chimeric adenoviruses of the invention comprise nucleic acid sequences derived from adenoviral serotypes classified within the subgroups B through F and demonstrate an enhanced therapeutic index.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 25, 2015
    Assignee: PsiOxus Therapeutics Limited
    Inventors: Paul Harden, Terry Hermiston, Irene Kuhn
  • Patent number: 9034344
    Abstract: The present invention relates to oncolytic adenoviruses having therapeutic applications. Recombinant chimeric adenoviruses, and methods to produce them are provided. The chimeric adenoviruses of the invention comprise nucleic acid sequences derived from adenoviral serotypes classified within the subgroups B through F and demonstrate an enhanced therapeutic index.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: May 19, 2015
    Assignee: PsiOxus Therapeutics Limited
    Inventors: Paul Harden, Terry Hermiston, Irene Kuhn
  • Patent number: 8835485
    Abstract: The present invention provides a means for prevention and treatment of sarcopenia by administration of a substance that both reduces the sensibility of beta-adrenergic receptors and of 5-HT1a receptors. (S)-pindolol, (S)-propanol, tertalol, or bopindolol are preferred for this purpose.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: September 16, 2014
    Assignee: PsiOxus Therapeutics Limited
    Inventors: Jochen Springer, Stefan Anker, Andrew Coats, John Beadle
  • Patent number: 8815563
    Abstract: Modified viral particles wherein the viral particles, typically adenoviral particles, are modified by glycosylation and the use of the modified viral particles to deliver heterologous nucleic acid to cells. Also disclosed are pharmaceutical compositions comprising the same and method of treatment using the same.
    Type: Grant
    Filed: July 18, 2005
    Date of Patent: August 26, 2014
    Assignee: PsiOxus Therapeutics Limited
    Inventors: Benjamin Guy Davis, Leonard William Seymour, Kerry Fisher
  • Patent number: 8765463
    Abstract: The present invention relates to oncolytic adenoviruses having therapeutic applications. Recombinant chimeric adenoviruses, and methods to produce them are provided. The chimeric adenoviruses of the invention comprise nucleic acid sequences derived from adenoviral serotypes classified within the subgroups B through F and demonstrate an enhanced therapeutic index.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: July 1, 2014
    Assignee: PsiOxus Therapeutics Limited
    Inventors: Paul Harden, Terry Hermiston, Irene Kuhn