Patents by Inventor Ryan Quiroz

Ryan Quiroz 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: 20240116908
    Abstract: Methods for preparing a variety of bryostatin compounds are provided. The subject methods provide for preparation of bryostatin 1 in multi-gram quantities in a low and unprecedented number of convergent synthetic steps from commercially available materials. The subject methods are scalable with low estimated material costs and can provide enough material to meet clinical needs. Also provided are a variety of bryostatin analog compounds, and prodrug forms thereof, which are synthetically accessible via the subject methods and pharmaceutical compositions including the same.
    Type: Application
    Filed: September 1, 2023
    Publication date: April 11, 2024
    Inventors: Paul Wender, Ryan Quiroz, Stephen Ho, Akira Shimizu, Steven Ryckbosch, Matthew C. Stevens, Matthew S. Jeffreys, Clayton Hardman, Jack Sloane
  • Publication number: 20240116945
    Abstract: The present disclosure is directed to alcohol and amine containing exatecan derivatives, and pharmaceutically acceptable salts or solvates thereof, comprising a structure of formula I: wherein X is defined in the disclosure. The disclosure is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of cancers and/or tumors.
    Type: Application
    Filed: August 31, 2023
    Publication date: April 11, 2024
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Vlad Bacauanu, Manoj B. Charati, Rebecca Elizabeth Johnson, Simon B. Lang, Ryan Quiroz, W. Michael Seganish, Song Yang, Nancy S. Zepeda
  • Patent number: 11746105
    Abstract: Methods for preparing a variety of bryostatin compounds are provided. The subject methods provide for preparation of bryostatin 1 in multi-gram quantities in a low and unprecedented number of convergent synthetic steps from commercially available materials. The subject methods are scalable with low estimated material costs and can provide enough material to meet clinical needs. Also provided are a variety of bryostatin analog compounds, and prodrug forms thereof, which are synthetically accessible via the subject methods and pharmaceutical compositions including the same.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: September 5, 2023
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Paul Wender, Ryan Quiroz, Stephen Ho, Akira Shimizu, Steven Ryckbosch, Matthew C. Stevens, Matthew S. Jeffreys, Clayton Hardman, Jack Sloane
  • Publication number: 20220363707
    Abstract: The present invention provides a compound of Formula (I) and the pharmaceutically acceptable salts, esters, and prodrugs thereof, which are PRMT5 inhibitors. Also provided are methods of making compounds of Formula I, pharmaceutical compositions comprising compounds of Formula I, and methods of using these compounds to treat cancer, sickle cell, and hereditary persistence of foetal hemoglobin (HPFH) mutations.
    Type: Application
    Filed: August 5, 2019
    Publication date: November 17, 2022
    Applicants: Merck Sharp & Dohme Corp., MSD International GmbH
    Inventors: Michelle Machacek, David Witter, Craig Gibeau, Chunhui Huang, Shuhei Kawamura, David L. Sloman, Phieng Siliphaivanh, Ryan Quiroz, Murray Wan, Sebastian Schneider, Charles S. Yeung, Michael H. Reutershan, Timothy J. Henderson, Jean-Laurent Paparin, Houcine Rahali, Jonathan M. E. Hughes, Sulagna Sanyal, Yingchun Ye, David A. Candito, Patrick S. Fier, Steven M. Silverman
  • Publication number: 20210292309
    Abstract: Methods for preparing a variety of bryostatin compounds are provided. The subject methods provide for preparation of bryostatin 1 in multi-gram quantities in a low and unprecedented number of convergent synthetic steps from commercially available materials. The subject methods are scalable with low estimated material costs and can provide enough material to meet clinical needs. Also provided are a variety of bryostatin analog compounds, and prodrug forms thereof, which are synthetically accessible via the subject methods and pharmaceutical compositions including the same.
    Type: Application
    Filed: January 29, 2021
    Publication date: September 23, 2021
    Inventors: Paul Wender, Ryan Quiroz, Stephen Ho, Akira Shimizu, Steven Ryckbosch, Matthew C. Stevens, Matthew S. Jeffreys, Clayton Hardman, Jack Sloane
  • Publication number: 20210277009
    Abstract: The present invention provides a compound of Formula (I) Formula (I) or the pharmaceutically acceptable salts thereof, which are PRMT5 inhibitors.
    Type: Application
    Filed: August 5, 2019
    Publication date: September 9, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: David Witter, Shuhei Kawamura, Michelle Machacek, Ryan Quiroz, Michael H. Reutershan, Sebastian Schneider, Phieng Siliphaivanh, Yingchun Ye, Charles S. Yeung
  • Patent number: 10947221
    Abstract: Methods for preparing a variety of bryostatin compounds are provided. The subject methods provide for preparation of bryostatin 1 in multi-gram quantities in a low and unprecedented number of convergent synthetic steps from commercially available materials. The subject methods are scalable with low estimated material costs and can provide enough material to meet clinical needs. Also provided are a variety of bryostatin analog compounds, and prodrug forms thereof, which are synthetically accessible via the subject methods and pharmaceutical compositions including the same.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 16, 2021
    Assignee: The Board of the Leland Stanford Junior University
    Inventors: Paul Wender, Ryan Quiroz, Stephen Ho, Akira Shimizu, Steven Ryckbosch, Matthew C. Stevens, Matthew S. Jeffreys, Clayton Hardman, Jack Sloane
  • Publication number: 20190292172
    Abstract: Methods for preparing a variety of bryostatin compounds are provided. The subject methods provide for preparation of bryostatin 1 in multi-gram quantities in a low and unprecedented number of convergent synthetic steps from commercially available materials. The subject methods are scalable with low estimated material costs and can provide enough material to meet clinical needs. Also provided are a variety of bryostatin analog compounds, and prodrug forms thereof, which are synthetically accessible via the subject methods and pharmaceutical compositions including the same.
    Type: Application
    Filed: September 28, 2017
    Publication date: September 26, 2019
    Inventors: Paul Wender, Ryan Quiroz, Stephen Ho, Akira Shimizu, Steven Ryckbosch, Matthew C. Stevens, Matthew S. Jeffreys, Clayton Hardman, Jack Sloane