Patents Assigned to Arbutus Biopharma Corporation
  • Publication number: 20220023427
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention formula (I) provides lipids having the following structure XXXIII wherein: R1 and R2 are each independently for each occurrence optionally substituted C10-C30 alkyl, optionally substituted C10-C30 alkenyl, optionally substituted C10-C30 alkynyl, optionally substituted C10-C30 acyl, or -linker-ligand; R3 is H, optionally substituted C1-C10 alkyl, optionally substituted C2-C10 alkenyl, optionally substituted C2-C10 alkynyl, alkylhetrocycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ?-aminoalkyls, ?-(substituted)aminoalkyls, ?-phosphoalkyls, ?-thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; and E is C(O)O or OC(O).
    Type: Application
    Filed: June 24, 2021
    Publication date: January 27, 2022
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Muthusamy Jayaraman, Kallanthottathil G. Rajeev, Laxman Eltepu, Steven Ansell, Jianxin Chen
  • Publication number: 20220000778
    Abstract: The invention provides certain specific lipid nanoparticles comprising: (a) one or more nucleic acid molecules; (b) cholesterol; (c) DSPC; (d) PEG-C-DMA; and (e) a cationic lipid; and pharmaceutical compositions comprising the lipid nanoparticles. The lipid nanoparticles and pharmaceutical compositions are particularly useful for delivering a nucleic acid such as siRNA or mRNA to a patient (e.g. a human) or to a cell.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 6, 2022
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: James HEYES, Adam JUDGE, Kieu Mong LAM, Lorne Ralph PALMER, Petra SCHREINER
  • Publication number: 20220001029
    Abstract: The invention provides certain specific lipid nanoparticles comprising: (a) one or more nucleic acid molecules; (b) cholesterol; (c) DSPC; (d) PEG-C-DMA; and (b) a cationic lipid of formula CL1 or CL2, and pharmaceutical compositions comprising the lipid nanoparticles. The lipid nanoparticles and pharmaceutical compositions are particularly useful for delivering a nucleic acid to a patient (e.g. a human) or to a cell.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 6, 2022
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Kieu Mong LAM, Alan D. MARTIN, Petra SCHREINER
  • Patent number: 11191849
    Abstract: The present invention provides compositions comprising nucleic acid molecules, such as mRNA molecules, encapsulated within lipid particles. The compositions are useful, for example, to introduce the mRNA molecules into a human subject where they are translated to produce a polypeptide that functions to ameliorate one or more symptoms of a disease.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 7, 2021
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Michael J. Abrams, James Heyes, Adam Judge, Kieu Mong Lam, Lorne Ralph Palmer, Stephen P. Reid, Edward D. Yaworski
  • Patent number: 11141378
    Abstract: The present invention provides novel, stable lipid particles comprising one or more active agents or therapeutic agents, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles. More particularly, the present invention provides stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (such as one or more interfering RNA), methods of making the SNALP, and methods of delivering and/or administering the SNALP.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: October 12, 2021
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Edward Yaworski, Kieu Lam, Lloyd Jeffs, Lorne Palmer, Ian MacLachlan
  • Patent number: 11130740
    Abstract: The present invention includes substituted 2,3-dihydro-1H-indene analogs, and compositions comprising the same, that can be used to treat or prevent hepatitis B virus (HBV) infections in a patient.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: September 28, 2021
    Assignee: Arbutus Biopharma Corporation
    Inventors: Yingzhi Bi, Bruce D. Dorsey, Christopher Brooks Moore
  • Publication number: 20210284733
    Abstract: Certain embodiments of the invention provide a method for treating a Hepatitis B virus infection and/or ameliorating one or more symptoms associated with a Hepatitis B virus infection in a mammal, the method comprising the step of administering to the mammal a therapeutically effective amount of an anti-PD-1 antibody, or fragment thereof.
    Type: Application
    Filed: August 21, 2017
    Publication date: September 16, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Christopher Brooks MOORE, Jang-June PARK
  • Publication number: 20210275455
    Abstract: The present invention provides apparatus and processes for producing liposomes. By providing a buffer solution in a first reservoir, and a lipid solution in a second reservoir, continuously diluting the lipid solution with the buffer solution in a mixing chamber produces a liposome. The lipid solution preferably comprises an organic solvent, such as a lower alkanol.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ian MacLachlan, Lloyd B. Jeffs, Lorne R. Palmer, Cory Giesbrecht
  • Publication number: 20210275454
    Abstract: The present invention provides apparatus and processes for producing liposomes. By providing a buffer solution in a first reservoir, and a lipid solution in a second reservoir, continuously diluting the lipid solution with the buffer solution in a mixing chamber produces a liposome. The lipid solution preferably comprises an organic solvent, such as a lower alkanol.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ian MacLachlan, Lloyd B. Jeffs, Lorne R. Palmer, Cory Giesbrecht
  • Publication number: 20210267895
    Abstract: The present invention provides novel, stable lipid particles comprising one or more active agents or therapeutic agents, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles. More particularly, the present invention provides stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (such as one or more interfering RNA), methods of making the SNALP, and methods of delivering and/or administering the SNALP.
    Type: Application
    Filed: April 12, 2021
    Publication date: September 2, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Edward Yaworski, Kieu Lam, Lloyd Jeffs, Lorne Palmer, Ian MacLachlan
  • Publication number: 20210267891
    Abstract: The present invention provides apparatus and processes for producing liposomes. By providing a buffer solution in a first reservoir, and a lipid solution in a second reservoir, continuously diluting the lipid solution with the buffer solution in a mixing chamber produces a liposome. The lipid solution preferably comprises an organic solvent, such as a lower alkanol.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 2, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ian MacLachlan, Lloyd B. Jeffs, Lorne R. Palmer, Cory Giesbrecht
  • Patent number: 11098010
    Abstract: The present invention includes novel substituted bicyclic compounds, and compositions comprising the same, that can be used to treat or prevent hepatitis B virus (HBV) infections in a patient. In certain embodiments, the compounds and compositions of the invention are capsid inhibitors.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: August 24, 2021
    Assignee: Arbutus Biopharma Corporation
    Inventors: Andrew G. Cole, Bruce D. Dorsey, Ramesh Kakarla, Steven Kultgen, Jorge Quintero
  • Patent number: 11077197
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structure XXXIII, wherein: R1 and R2 are each independently for each occurrence optionally substituted C10-C30 alkyl, optionally substituted C10-C30 alkenyl, optionally substituted C10-C30 alkynyl, optionally substituted C10-C30 acyl, or -linker-ligand; R3 is H, optionally substituted C1-C10 alkyl, optionally substituted C2-C10 alkenyl, optionally substituted C2-C10 alkynyl, alkylhetrocycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ?-aminoalkyls, ?-(substituted)aminoalkyls, ?-phosphoalkyls, ?-thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; and E is C(O)O or OC(O).
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: August 3, 2021
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Muthusamy Jayaraman, Kallanthottathil G. Rajeev, Laxman Eltepu, Steven Ansell, Jianxin Chen
  • Publication number: 20210220274
    Abstract: The present invention provides novel, stable lipid particles comprising one or more active agents or therapeutic agents, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles. More particularly, the present invention provides stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (such as one or more interfering RNA), methods of making the SNALP, and methods of delivering and/or administering the SNALP.
    Type: Application
    Filed: November 10, 2020
    Publication date: July 22, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Edward Yaworski, Kieu Lam, Lloyd Jeffs, Lorne Palmer, Ian MacLachlan
  • Publication number: 20210207140
    Abstract: The present invention provides novel, stable lipid particles having a non-lamellar structure and comprising one or more active agents or therapeutic agents, methods of making such lipid particles, and methods of delivering and/or administering such lipid particles. More particularly, the present invention provides stable nucleic acid-lipid particles (SNALP) that have a non-lamellar structure and that comprise a nucleic acid (such as one or more interfering RNA), methods of making the SNALP, and methods of delivering and/or administering the SNALP.
    Type: Application
    Filed: March 16, 2021
    Publication date: July 8, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer
  • Publication number: 20210162053
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells.
    Type: Application
    Filed: October 7, 2020
    Publication date: June 3, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Nair, Martin Maier, Laxman Eltepu
  • Patent number: 11013726
    Abstract: The present invention includes substituted pyridinone-containing tricyclic compounds, and compositions comprising the same, that can be used to treat or prevent hepatitis B virus (HBV) infection in a patient. In certain embodiments, the compounds and compositions of the invention inhibit and/or reduce HBsAg secretion.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: May 25, 2021
    Assignee: Arbutus Biopharma Corporation
    Inventors: Laurèn Danielle Bailey, Yingzhi Bi, Shuai Chen, Bruce D. Dorsey, Dimitar B. Gotchev, Richard James Holland, Ramesh Kakarla, Duyan Nguyen, Mark Christopher Wood
  • Patent number: 11001564
    Abstract: The present invention includes novel substituted bicyclic (such as 4-substituted-chromane-8-carboxamide compounds), and compositions comprising the same, that can be used to treat or prevent hepatitis B virus (HBV) infections in a patient. In certain embodiments, the compounds and compositions of the invention are capsid inhibitors.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: May 11, 2021
    Assignee: Arbutus Biopharma Corporation
    Inventors: Andrew G. Cole, Steven Kultgen
  • Patent number: 10953095
    Abstract: Disclosed herein are lipid compositions comprising a cationic lipid of formula (I), a neutral lipid, a sterol and a PEG or PEG-modified lipid, wherein formula (I) is Also disclosed are methods of producing the cationic lipid of formula (I).
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: March 23, 2021
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Michael E. Jung
  • Publication number: 20210047640
    Abstract: The present invention provides compositions comprising therapeutic nucleic acids such as siRNA that target ApoC3 and ANGPTL3 expression, lipid particles comprising one or more (e.g., a combination) of the therapeutic nucleic acids, and methods of delivering and/or administering the lipid particles (e.g., for treating hypertriglyceridemia in humans).
    Type: Application
    Filed: April 16, 2020
    Publication date: February 18, 2021
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ting CHIU, Narayanan HARIHARAN, Amy C. H. LEE, Christopher Justin PASETKA, Janet Ruth PHELPS, Nicholas Michael SNEAD, Andrew Anthony WIECZOREK