Patents by Inventor Richard Kriwacki

Richard Kriwacki 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: 20220177457
    Abstract: Various compounds and pharmaceutically acceptable salts thereof are provided capable of binding cyclin-dependent kinase inhibitor 1B. The compounds can have a structure according to Formula I or Formula II as detailed herein. The compounds can include SJ747, SJ749, SJ755, SJ757. Pharmaceutical formulations containing the compounds or pharmaceutically acceptable salts are also provided along with methods of use thereof. The formulations and methods can be useful for treating cancer. In some aspects, the cancer is associated with a mislocalization of the intrinsically disordered protein p27. In some aspects, the cancer is resistant to an anticancer therapy. The pharmaceutical formulation can therefore include a second active agent and/or can be given in combination with a second active agent such as a cancer therapeutic. In various aspects, methods of promoting reentry into the cell division cycle in a subject in need thereof using compounds and formulations described herein are also provided.
    Type: Application
    Filed: March 12, 2020
    Publication date: June 9, 2022
    Inventors: Richard KRIWACKI, Jian ZUO, Luigi ICONARU, Sourav DAS, Anang SHELAT, Brandon YOUNG
  • Patent number: 10647702
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 12, 2020
    Assignee: St. Jude Children's Research Hospital
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Royappa, Lie Min, Jaeki Min, Antonio Ferreira
  • Publication number: 20190345141
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Roy-Appa, Lie Min, Jaeki Min, Antonio Ferreira
  • Publication number: 20180291004
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: November 14, 2017
    Publication date: October 11, 2018
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Roy-Appa, Lie Min, Jaeki Min, Antonio Ferreira
  • Patent number: 9822100
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: November 21, 2017
    Assignee: St. Jude Children's Research Hospital
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Roy-Appa, Lie Min, Jaeki Min, Antonio Ferreira
  • Publication number: 20160297800
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: January 8, 2016
    Publication date: October 13, 2016
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Roy-Appa, Lie Min, Jaeki Min, Antonio Ferreira
  • Patent number: 9266860
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: February 23, 2016
    Assignee: St. Jude Children's Research Hospital
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Roy-Appa, Lie Min, Jaeki Min, Antonio Ferreira
  • Patent number: 9249199
    Abstract: Compositions and methods for preventing and treating pneumococcal infections are provided. Compositions include novel polypeptides comprising an amino acid sequence corresponding to the R21 or R22 domain of CbpA or a consensus sequence of one of these domains, and variants and fragments thereof, wherein the polypeptide is stabilized in a desired conformation, particularly a loop conformation. The polypeptides of the invention may be engineered to comprise a first and a second cysteine residue, thereby resulting in the formation of a disulfide bond that stabilizes the polypeptide in the desired conformation. Alternatively, a polypeptide of the invention may be modified to create a synthetic linkage between a first and second amino acid residue present within the polypeptide, wherein the synthetic linkage stabilizes the polypeptide in the desired conformation. The polypeptides of the invention may further comprise an amino acid sequence for a T cell epitope.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: February 2, 2016
    Assignee: St. Jude Children's Research Hospital
    Inventors: Karim C. El Kasmi, Brad Jordan, Richard Kriwacki, Beth Mann, Carlos J. Orihuela, Elaine Tuomanen
  • Publication number: 20140248303
    Abstract: Compositions and methods for preventing and treating pneumococcal infections are provided. Compositions include novel polypeptides comprising an amino acid sequence corresponding to the R21 or R22 domain of CbpA or a consensus sequence of one of these domains, and variants and fragments thereof, wherein the polypeptide is stabilized in a desired conformation, particularly a loop conformation. The polypeptides of the invention may be engineered to comprise a first and a second cysteine residue, thereby resulting in the formation of a disulfide bond that stabilizes the polypeptide in the desired conformation. Alternatively, a polypeptide of the invention may be modified to create a synthetic linkage between a first and second amino acid residue present within the polypeptide, wherein the synthetic linkage stabilizes the polypeptide in the desired conformation. The polypeptides of the invention may further comprise an amino acid sequence for a T cell epitope.
    Type: Application
    Filed: March 20, 2014
    Publication date: September 4, 2014
    Applicant: St. Jude Children's Research Hospital
    Inventors: Karim C. El Kasmi, Brad Jordan, Richard Kriwacki, Beth Mann, Carlos J. Orihuela, Elaine Tuomanen
  • Patent number: 8722055
    Abstract: Compositions and methods for preventing and treating pneumococcal infections are provided. Compositions include novel polypeptides comprising an amino acid sequence corresponding to the R2i or R22 domain of CbpA or a consensus sequence of one of these domains, and variants and fragments thereof, wherein the polypeptide is stabilized in a desired conformation, particularly a loop conformation. The polypeptides of the invention may be engineered to comprise a first and a second cysteine residue, thereby resulting in the formation of a disulfide bond that stabilizes the polypeptide in the desired conformation. Alternatively, a polypeptide of the invention may be modified to create a synthetic linkage between a first and second amino acid residue present within the polypeptide, wherein the synthetic linkage stabilizes the polypeptide in the desired conformation. The polypeptides of the invention may further comprise an amino acid sequence for a T cell epitope.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: May 13, 2014
    Assignee: St. Jude Children's Research Hospital
    Inventors: Karim C. El Kasmi, Brad Jordan, Richard Kriwacki, Beth Mann, Carlos J. Orihuela, Elaine Tuomanen
  • Publication number: 20130345237
    Abstract: The compounds of the invention are antagonists of MDM2 and MDMX, with excellent specificity for MDM2 and MDMX over other proteins, and with selective binding affinity to MDMX over MDM2. The compounds can therefore regulate p53 activity and treat a variety of cancers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: September 30, 2011
    Publication date: December 26, 2013
    Inventors: R. Kiplin Guy, Yiqun Zhang, Brandon Young, Michael Dyer, Kristin Finch, Donald Bashford, Nagakumar Bharatham, Richard Kriwacki, Grace Royappa, Lie Min, Jaeki Min, Anthony Ferreira
  • Publication number: 20100143394
    Abstract: Compositions and methods for preventing and treating pneumococcal infections are provided. Compositions include novel polypeptides comprising an amino acid sequence corresponding to the R2i or R22 domain of CbpA or a consensus sequence of one of these domains, and variants and fragments thereof, wherein the polypeptide is stabilized in a desired conformation, particularly a loop conformation. The polypeptides of the invention may be engineered to comprise a first and a second cysteine residue, thereby resulting in the formation of a disulfide bond that stabilizes the polypeptide in the desired conformation. Alternatively, a polypeptide of the invention may be modified to create a synthetic linkage between a first and second amino acid residue present within the polypeptide, wherein the synthetic linkage stabilizes the polypeptide in the desired conformation. The polypeptides of the invention may further comprise an amino acid sequence for a T cell epitope.
    Type: Application
    Filed: September 26, 2007
    Publication date: June 10, 2010
    Applicant: St. Jude Children's Research Hospital
    Inventors: Karim C. El Kasmi, Brad Jordan, Richard Kriwacki, Beth Mann, Carlos J. Orihuela, Elaine Tuomanen
  • Patent number: 7704703
    Abstract: The present invention discloses that the binding of Arf with Dm2, important components of the p53 tumor suppressor pathway, results in specific domains of both proteins undergoing a dramatic transition from dynamically disordered conformations to amyloid-like structures comprised of anti-parallel ?-strands. The invention exploits this discovery by providing unique methods for identifying and/or designing compounds that mimic, inhibit and/or enhance the effect of Arf on Dm2. The present invention also provides specific peptides derived from the binding domains of Arf and Dm2 which co-assemble into supramolecular structures comprised of binary anti-parallel ?-strands. The disclosed peptides may represent structural prototypes for a broader class of peptides that is capable of assembly into supramolecular structures.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: April 27, 2010
    Assignee: St. Jude Children's Research Hospital, Inc.
    Inventors: Richard Kriwacki, Brian Bothner, William Lewis
  • Publication number: 20040248198
    Abstract: The present invention discloses that the binding of Arf with Dm2, important components of the p53 tumor suppressor pathway, results in specific domains of both proteins undergoing a dramatic transition from dynamically disordered conformations to amyloid-like structures comprised of anti-parallel &bgr;-strands. The invention exploits this discovery by providing unique methods for identifying and/or designing compounds that mimic, inhibit and/or enhance the effect of Arf on Dm2. The present invention also provides specific peptides derived from the binding domains of Arf and Dm2 which co-assemble into supramolecular structures comprised of binary anti-parallel &bgr;-strands. The disclosed peptides may represent structural prototypes for a broader class of peptides that is capable of assembly into supramolecular structures.
    Type: Application
    Filed: July 23, 2004
    Publication date: December 9, 2004
    Inventors: Richard Kriwacki, Brian Bothner, William Lewis
  • Publication number: 20020045192
    Abstract: The present invention discloses that the binding of Arf with Dm2 results in specific domains of both proteins undergoing a dramatic transition from disordered conformations to extended structures comprised of &bgr;-strands. The presence of these specific domains is necessary and sufficient for the formation of the highly stable extended &bgr; structures formed between these two proteins. The present invention further exploits this discovery by providing unique methods for identifying and/or designing compounds that mimic, inhibit and/or enhance the effect of Arf on Dm2. The present invention also provides specific protein fragments derived from Arf and Dm2 that play a critical role in the binding of these two important regulatory proteins.
    Type: Application
    Filed: September 19, 2001
    Publication date: April 18, 2002
    Applicant: St. Jude Children's Research Hospital
    Inventors: Richard Kriwacki, Brian Bothner, William Lewis