Patents Assigned to Protiva Biotherapeutics Inc.
  • Publication number: 20180245074
    Abstract: The present invention provides compositions comprising therapeutic nucleic acids such as gRNA that target Hepatitis B virus (HBV) gene 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 HBV infection and/or HDV infection in humans).
    Type: Application
    Filed: June 6, 2016
    Publication date: August 30, 2018
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Amy C. H. LEE, Nicholas D. WEBER
  • Publication number: 20180245077
    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: March 21, 2016
    Publication date: August 30, 2018
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Ting CHIU, Narayanan HARIHARAN, Amy C. H. LEE, Christopher Justin PASETKA, Janet Ruth PHELPS, Nicholas Michael SNEAD, Andrew Anthony WIECZOREK
  • Publication number: 20180148719
    Abstract: The present invention provides lipid particles comprising therapeutic nucleic acids such as gRNA that target gene expression.
    Type: Application
    Filed: June 6, 2016
    Publication date: May 31, 2018
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Amy C. H. LEE, Nicholas D. WEBER
  • Publication number: 20180092848
    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: December 13, 2017
    Publication date: April 5, 2018
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Edward Yaworski, Kieu Lam, Lloyd Jeffs, Lorne Palmer, Ian MacLachlan
  • Publication number: 20180085312
    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: August 7, 2017
    Publication date: March 29, 2018
    Applicant: Protiva Biotherapeutics, Inc.
    Inventors: Edward Yaworski, Kieu Lam, Lloyd Jeffs, Lorne Palmer, Ian MacLachlan
  • Patent number: 9926560
    Abstract: Rich tooling is provided for REST application development that integrates the exploration of a REST API, modeling of data types and the REST API, and the generation of artifacts using the modeled REST API and data types.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: March 27, 2018
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: Ian MacLachlan, Lorne R. Palmer, James Heyes
  • Patent number: 9878042
    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 27, 2015
    Date of Patent: January 30, 2018
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
  • Publication number: 20180016583
    Abstract: The present invention provides compositions comprising therapeutic nucleic acids such as siRNA that target Hepatitis B virus (HBV) gene 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 HBV infection and/or HDV infection in humans).
    Type: Application
    Filed: October 1, 2015
    Publication date: January 18, 2018
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Jennifer L. CROSS, Ammen P. DHILLON, Amy C. H. LEE, Ian MACLACHLAN, Nicholas M. SNEAD, Emily P. THI
  • Patent number: 9765333
    Abstract: The present invention provides compositions comprising siRNA molecules that target Marburg virus (MARV) gene expression, lipid particles comprising one or more (e.g., a combination) of the siRNA molecules, and methods of delivering and/or administering the lipid particles, for the purposes of treating MARV infection.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: September 19, 2017
    Assignee: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Raul J. Ursic Bedoya, Ian MacLachlan, Marjorie Ann Robbins
  • Publication number: 20170151333
    Abstract: The present invention provides compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel cationic lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo. The compositions of the present invention are highly potent, thereby allowing effective knock-down of a specific target protein at relatively low doses. In addition, the compositions and methods of the present invention are less toxic and provide a greater therapeutic index compared to compositions and methods previously known in the art.
    Type: Application
    Filed: September 9, 2016
    Publication date: June 1, 2017
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: James Heyes, Alan Martin, Mark Wood
  • Publication number: 20170042814
    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: May 25, 2016
    Publication date: February 16, 2017
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: EDWARD YAWORSKI, KIEU LAM, LLOYD JEFFS, LORNE PALMER, IAN MacLACHLAN
  • Publication number: 20170007702
    Abstract: The present invention provides compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel, trialkyl, cationic lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo. The compositions of the present invention are highly potent, thereby allowing effective knock-down of a specific target protein at relatively low doses.
    Type: Application
    Filed: May 9, 2016
    Publication date: January 12, 2017
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: James Heyes, Mark Wood, Alan Martin
  • Patent number: 9518272
    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: May 12, 2016
    Date of Patent: December 13, 2016
    Assignee: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer
  • Patent number: 9504651
    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: Grant
    Filed: June 13, 2014
    Date of Patent: November 29, 2016
    Assignee: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Ian MacLachlan, Lloyd Jeffs, Lorne R. Palmer, Cory Giesbrecht
  • Patent number: 9492386
    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: Grant
    Filed: November 21, 2012
    Date of Patent: November 15, 2016
    Assignee: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Ian MacLachlan, Lloyd Jeffs, Lorne R. Palmer, Cory Giesbrecht
  • Publication number: 20160256567
    Abstract: The present invention provides compositions comprising 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. The invention also provided cationic lipids that are useful for preparing the compositions of the invention.
    Type: Application
    Filed: May 12, 2016
    Publication date: September 8, 2016
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: James HEYES, Lorne R. PALMER, Stephen P. REID, Edward D. YAWORSKI, Ian MACLACHLAN, Mark WOOD, Alan D. MARTIN
  • Publication number: 20160256568
    Abstract: The present invention provides compositions comprising 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. The invention also provided cationic lipids that are useful for preparing the compositions of the invention.
    Type: Application
    Filed: May 12, 2016
    Publication date: September 8, 2016
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: James HEYES, Lorne R. PALMER, Stephen P. REID, Edward D. YAWORSKI, Ian MACLACHLAN, Mark WOOD, Alan D. MARTIN
  • Publication number: 20160251681
    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: May 12, 2016
    Publication date: September 1, 2016
    Applicant: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: ED YAWORSKI, LLOYD B. JEFFS, LORNE R. PALMER
  • Patent number: 9428751
    Abstract: The present invention provides compositions comprising therapeutic nucleic acids such as interfering RNA that target apolipoprotein C-III (APOC3) gene expression, lipid particles comprising one or more (e.g., a cocktail) of the therapeutic nucleic acids, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles (e.g., for the treatment of lipid diseases or disorders such as atherosclerosis or a dyslipidemia such as hypertriglyceridemia or hypercholesterolemia).
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: August 30, 2016
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: Marcia MacDonald, Amy C. H. Lee, Ian MacLachlan
  • Patent number: 9404127
    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: March 9, 2015
    Date of Patent: August 2, 2016
    Assignee: PROTIVA BIOTHERAPEUTICS, INC.
    Inventors: Ed Yaworski, Lloyd B. Jeffs, Lorne R. Palmer