Patents by Inventor Erich Altenhofer

Erich Altenhofer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220402947
    Abstract: Described are improved linking agents that are useful for facilitating the attachment of targeting groups, pharmacokinetic (PK) enhancers or modifiers, or other delivery agents to oligonucleotides. The described linking agents may exhibit improved reaction yields, stability, and biological activity, particularly when used in connection with oligonucleotide-based compounds, such as RNA interference (RNAi) agents.
    Type: Application
    Filed: February 15, 2019
    Publication date: December 22, 2022
    Inventors: Zhen Li, Erich Altenhofer, Jeffrey Carlson, Matthew Fowler-Watters, Bo Chen
  • Publication number: 20220204976
    Abstract: The present disclosure relates to RNAi agents, for example, double stranded RNAi agents, able to inhibit HIF-2 alpha (EPAS1) gene expression. Also disclosed are pharmaceutical compositions that include HIF-2 alpha RNAi agents and methods of use thereof. The HIF-2 alpha RNAi agents disclosed herein may be linked or conjugated to targeting ligands (such as compounds that have affinity for integrins, including alpha-v-beta-3 and alpha-v-beta-5 integrins) and pharmacokinetic (PK) enhancers, to facilitate the delivery to cells and tissues, including to clear cell renal cell carcinoma (ccRCC) cells and tumors. Delivery of compositions comprising the HIF-2 alpha RNAi agents in vivo provides for inhibition of HIF-2 alpha gene expression. The HIF-2 alpha RNAi agents can be used in methods of treatment of various diseases and disorders, including ccRCC.
    Type: Application
    Filed: January 8, 2020
    Publication date: June 30, 2022
    Inventors: Zhen Li, Dongxu Shu, Anthony Nicholas, Rui Zhu, Jeffrey Carlson, So Wong, Xiaokai Li, Erich Altenhofer, Matthew Fowler-Watters, Bo Chen
  • Publication number: 20220033817
    Abstract: Described are novel targeting ligands that may be linked to compounds, such therapeutic compounds that are useful in directing the compounds to the in vivo target. The targeting ligands disclosed herein can serve to target expression-inhibiting oligomeric compounds, such as RNAi agents, to liver cells to modulate gene expression. The targeting ligands disclosed herein, when conjugated to a therapeutic compound, may be used in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Compositions including the targeting ligands disclosed herein when linked to expression-inhibiting oligomeric compounds are capable of mediating expression of target nucleic acid sequences in liver cells, such as hepatocytes, which may be useful in the treatment of diseases or conditions that respond to inhibition of gene expression or activity in a cell, tissue, or organism.
    Type: Application
    Filed: June 17, 2021
    Publication date: February 3, 2022
    Inventors: Zhen Li, Tao Pei, Agnieszka Glebocka, Michael Lawler, Fred Fleitz, Erich Altenhofer, Pankaj Kumar
  • Patent number: 11174481
    Abstract: Described are novel targeting ligands that may be linked to compounds, such therapeutic compounds that are useful in directing the compounds to the in vivo target. The targeting ligands disclosed herein can serve to target expression-inhibiting oligomeric compounds, such as RNAi agents, to liver cells to modulate gene expression. The targeting ligands disclosed herein, when conjugated to a therapeutic compound, may be used in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Compositions including the targeting ligands disclosed herein when linked to expression-inhibiting oligomeric compounds are capable of mediating expression of target nucleic acid sequences in liver cells, such as hepatocytes, which may be useful in the treatment of diseases or conditions that respond to inhibition of gene expression or activity in a cell, tissue, or organism.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: November 16, 2021
    Assignee: Arrowhead Pharmaceuticals, Inc.
    Inventors: Zhen Li, Tao Pei, Agnieszka Glebocka, Michael Lawler, Fred Fleitz, Erich Altenhofer, Pankaj Kumar
  • Publication number: 20190256849
    Abstract: Described are novel targeting ligands that may be linked to compounds, such therapeutic compounds that are useful in directing the compounds to the in vivo target. The targeting ligands disclosed herein can serve to target expression-inhibiting oligomeric compounds, such as RNAi agents, to liver cells to modulate gene expression. The targeting ligands disclosed herein, when conjugated to a therapeutic compound, may be used in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Compositions including the targeting ligands disclosed herein when linked to expression-inhibiting oligomeric compounds are capable of mediating expression of target nucleic acid sequences in liver cells, such as hepatocytes, which may be useful in the treatment of diseases or conditions that respond to inhibition of gene expression or activity in a cell, tissue, or organism.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 22, 2019
    Inventors: Zhen Li, Tao Pei, Agnieszka Glebocka, Michael Lawler, Fred Fleitz, Erich Altenhofer, Pankaj Kumar
  • Patent number: 10294474
    Abstract: Described are novel targeting ligands that may be linked to compounds, such therapeutic compounds that are useful in directing the compounds to the in vivo target. The targeting ligands disclosed herein can serve to target expression-inhibiting oligomeric compounds, such as RNAi agents, to liver cells to modulate gene expression. The targeting ligands disclosed herein, when conjugated to a therapeutic compound, may be used in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Compositions including the targeting ligands disclosed herein when linked to expression-inhibiting oligomeric compounds are capable of mediating expression of target nucleic acid sequences in liver cells, such as hepatocytes, which may be useful in the treatment of diseases or conditions that respond to inhibition of gene expression or activity in a cell, tissue, or organism.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: May 21, 2019
    Assignee: Arrowhead Pharmaceuticals, Inc.
    Inventors: Zhen Li, Tao Pei, Agnieszka Glebocka, Michael Lawler, Fred Fleitz, Erich Altenhofer, Pankaj Kumar
  • Publication number: 20180064819
    Abstract: Described are novel targeting ligands that may be linked to compounds, such therapeutic compounds that are useful in directing the compounds to the in vivo target. The targeting ligands disclosed herein can serve to target expression-inhibiting oligomeric compounds, such as RNAi agents, to liver cells to modulate gene expression. The targeting ligands disclosed herein, when conjugated to a therapeutic compound, may be used in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Compositions including the targeting ligands disclosed herein when linked to expression-inhibiting oligomeric compounds are capable of mediating expression of target nucleic acid sequences in liver cells, such as hepatocytes, which may be useful in the treatment of diseases or conditions that respond to inhibition of gene expression or activity in a cell, tissue, or organism.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 8, 2018
    Inventors: Zhen Li, Tao Pei, Agnieszka Glebocka, Michael Lawler, Fred Fleitz, Erich Altenhofer, Pankaj Kumar