Patents Assigned to Arbutus Biopharma Corporation
  • Publication number: 20250099594
    Abstract: The invention provides conjugates that comprise a targeting moiety, a nucleic acid, and optional linking groups as well as synthetic intermediates and synthetic methods useful for preparing the conjugates. The conjugates are useful to target therapeutic nucleic acids to the liver and to treat liver diseases including hepatitis (e.g. hepatitis B and hepatitis D).
    Type: Application
    Filed: September 12, 2024
    Publication date: March 27, 2025
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: James HEYES, Richard J. HOLLAND, Alan D. MARTIN, Mark WOOD
  • Patent number: 12251470
    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: Grant
    Filed: November 8, 2019
    Date of Patent: March 18, 2025
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: James Heyes, Adam Judge, Kieu Mong Lam, Lorne Ralph Palmer, Petra Schreiner
  • Publication number: 20250034571
    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: October 1, 2024
    Publication date: January 30, 2025
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer
  • Publication number: 20240424105
    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 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 6, 2024
    Publication date: December 26, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Muthusamy Jayaraman, Kallanthottathil G. Rajeev, Laxman Eltepu, Steven Ansell, Jianxin Chen
  • Publication number: 20240374595
    Abstract: The present invention includes substituted 3,3?-bis(phenoxymethyl)-1,1?-biphenyl compounds, analogues thereof, and compositions comprising the same, that can be used to treat or prevent hepatitis B virus (HBV) and/or hepatitis D virus (HDV) infections in a patient.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 14, 2024
    Applicant: Arbutus Biopharma Corporation
    Inventors: Yingzhi Bi, Bruce D. Dorsey, Yi Fan, Christopher Brooks Moore, Duyan Nguyen
  • Patent number: 12129467
    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: Grant
    Filed: January 11, 2024
    Date of Patent: October 29, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer
  • Publication number: 20240316206
    Abstract: The present invention provides novel, serum-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 serum-stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (e.g., one or more interfering RNA molecules), methods of making the SNALP, and methods of delivering and/or administering the SNALP (e.g., for the treatment of cancer). In particular embodiments, the present invention provides tumor-directed lipid particles that preferentially target solid tumors. The tumor-directed formulations of the present invention are capable of preferentially delivering a payload such as a nucleic acid to cells of solid tumors compared to non-cancerous cells.
    Type: Application
    Filed: April 25, 2024
    Publication date: September 26, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
  • Patent number: 12083118
    Abstract: The present invention includes substituted 3,3?bis(phenoxymethyl)-1,1?-biphenyl compounds, analogues thereof, and compositions comprising the same, that can be used to treat or prevent hepatitis B virus (HBV) and/or hepatitis D virus (HDV) infections in a patient.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: September 10, 2024
    Assignee: Arbutus Biopharma Corporation
    Inventors: Yingzhi Bi, Bruce D. Dorsey, Yi Fan, Christopher Brooks Moore, Duyan Nguyen
  • Publication number: 20240246964
    Abstract: The present disclosure includes substituted 1-aryl-1?-heteroaryl compounds, substituted 1,1?-biheteroaryl compounds, analogues thereof, and compositions comprising the same. Such compounds and analogues comprises compounds of formula (I). In one aspect, the compounds contemplated in the disclosure can be used to treat, ameliorate, and/or prevent hepatitis B virus (HBV) and/or hepatitis D virus (HDV) infections in a patient. In another aspect, the compounds contemplated in the disclosure can be used to treat, ameliorate, and/or prevent cancer in a patient.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 25, 2024
    Applicant: Arbutus Biopharma Corporation
    Inventors: Vijay Ahuja, Andrew G. Cole, Bruce D. Dorsey, Yi Fan, Gavin D. Heffernan, Ramesh Kakarla, Steven G. Kultgen, Duyan Nguyen, Seyma Ozturk, Jorge Quintero, Michael J. Sofia
  • Publication number: 20240245784
    Abstract: The invention provides conjugates that comprise a targeting moiety, a nucleic acid, and optional linking groups as well as synthetic intermediates and synthetic methods useful for preparing the conjugates. The conjugates are useful to target therapeutic nucleic acids to the liver and to treat liver diseases including hepatitis (e.g. hepatitis B and hepatitis D).
    Type: Application
    Filed: January 10, 2024
    Publication date: July 25, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: James HEYES, Richard J. HOLLAND, Alan D. MARTIN, Mark WOOD
  • Patent number: 12043833
    Abstract: The invention provides certain nucleic acids (e.g., double stranded siRNA molecules), as well as conjugates that comprise a targeting moiety, a double stranded siRNA, and optional linking groups. Certain embodiments also provide synthetic methods useful for preparing the conjugates. The conjugates are useful to target therapeutic double stranded siRNA to the liver and to treat liver diseases including hepatitis (e.g. hepatitis B and hepatitis D).
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: July 23, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: James Heyes, Richard J. Holland, Adam Judge, Amy C. H. Lee, Alan D. Martin, Nicholas Michael Snead, Emily P. Thi, Mark Wood, Xin Ye
  • Patent number: 12042541
    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 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: March 31, 2023
    Date of Patent: July 23, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Muthusamy Jayaraman, Kallanthottathil G. Rajeev, Laxman Eltepu, Steven Ansell, Jianxin Chen
  • Patent number: 12037587
    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: Grant
    Filed: January 11, 2024
    Date of Patent: July 16, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer
  • Patent number: 12023383
    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 (F). Also disclosed are methods of producing the cationic lipid of formula (I).
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: July 2, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Michael E. Jung
  • Patent number: 12016929
    Abstract: The present invention provides novel, serum-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 serum-stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (e.g., one or more interfering RNA molecules), methods of making the SNALP, and methods of delivering and/or administering the SNALP (e.g., for the treatment of cancer). In particular embodiments, the present invention provides tumor-directed lipid particles that preferentially target solid tumors. The tumor-directed formulations of the present invention are capable of preferentially delivering a payload such as a nucleic acid to cells of solid tumors compared to non-cancerous cells.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: June 25, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
  • Publication number: 20240182895
    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: January 11, 2024
    Publication date: June 6, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer
  • Publication number: 20240148875
    Abstract: The present invention provides novel, serum-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 serum-stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (e.g., one or more interfering RNA molecules), methods of making the SNALP, and methods of delivering and/or administering the SNALP (e.g., for the treatment of cancer). In particular embodiments, the present invention provides tumor-directed lipid particles that preferentially target solid tumors. The tumor-directed formulations of the present invention are capable of preferentially delivering a payload such as a nucleic acid to cells of solid tumors compared to non-cancerous cells.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
  • Publication number: 20240100166
    Abstract: The present invention provides novel, serum-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 serum-stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (e.g., one or more interfering RNA molecules), methods of making the SNALP, and methods of delivering and/or administering the SNALP (e.g., for the treatment of cancer). In particular embodiments, the present invention provides tumor-directed lipid particles that preferentially target solid tumors. The tumor-directed formulations of the present invention are capable of preferentially delivering a payload such as a nucleic acid to cells of solid tumors compared to non-cancerous cells.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 28, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
  • Publication number: 20240066129
    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 (F). Also disclosed are methods of producing the cationic lipid of formula (I).
    Type: Application
    Filed: February 16, 2023
    Publication date: February 29, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Michael E. Jung
  • Patent number: 11904052
    Abstract: Certain embodiments of the invention provide methods of ameliorating an infusion reaction in a mammal in need thereof.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: February 20, 2024
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Jeffrey P. Bechard, Wayne J. Wallis