Patents by Inventor Dimitrios Stefanidis

Dimitrios Stefanidis 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: 20180370950
    Abstract: The present disclosure relates to a compound of formula (Ia), (Ib), (IIa), and (IIb): which are useful in the treatment of a Retroviridae viral infection including an infection caused by the HIV virus.
    Type: Application
    Filed: June 25, 2018
    Publication date: December 27, 2018
    Inventors: Michael Graupe, Steven J. Henry, John O. Link, Charles William Rowe, Roland D. Saito, Scott D. Schroeder, Dimitrios Stefanidis, Winston C. Tse, Jennifer R. Zhang
  • Patent number: 10086011
    Abstract: Disclosed are pharmaceutical compositions comprising Compound I, having the formula: and an effective amount of sofosbuvir wherein the sofosbuvir is substantially crystalline. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: October 2, 2018
    Assignee: Gilead Pharmasset LLC
    Inventors: Eric Gorman, Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Lauren Wiser, Vahid Zia
  • Publication number: 20180263997
    Abstract: Pharmaceutical compositions comprising filgotinib maleate Form I and uses thereof are described herein.
    Type: Application
    Filed: March 12, 2018
    Publication date: September 20, 2018
    Inventors: David Alonzo, Bei Li, Dimitrios Stefanidis
  • Patent number: 10071985
    Abstract: The present disclosure relates to a compound of formula (Ia), (Ib), (IIa), and (IIb): which are useful in the treatment of a Retroviridae viral infection including an infection caused by the HIV virus.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: September 11, 2018
    Assignee: Gilead Sciences, Inc.
    Inventors: Michael Graupe, Steven J. Henry, John O. Link, Charles William Rowe, Roland D. Saito, Scott D. Schroeder, Dimitrios Stefanidis, Winston C. Tse, Jennifer R. Zhang
  • Patent number: 10039779
    Abstract: Disclosed are pharmaceutical compositions having an effective amount of substantially amorphous ledipasvir and an effective amount of substantially crystalline sofosbuvir.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: August 7, 2018
    Assignee: Gilead Pharmasset LLC
    Inventors: Ben Chal, Erik Mogalian, Reza Oliyai, Rowchanak Pakdaman, Dimitrios Stefanidis, Vahid Zia
  • Patent number: 9949932
    Abstract: Disclosed are pharmaceutical compositions comprising a compound having the formula: or a pharmaceutically acceptable salt thereof, or a hydrate of thereof, and at least one pharmaceutically acceptable polymer. The pharmaceutically acceptable salt of the compound of Formula I, or a hydrate thereof, can be a mesylate salt, including, for example, a mono-mesylate or a bis-mesylate salt, or a hydrate thereof. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: April 24, 2018
    Assignee: Gilead Connecticut, Inc.
    Inventors: Melissa Jean Casteel, Bei Li, Rowchanak Pakdaman, Diana Sperger, Dimitrios Stefanidis
  • Publication number: 20180099971
    Abstract: Polymorphs of a bis-mesylate salt of a compound of Formula I: or a hydrate thereof, are provided. The bis-mesylate salt may also be depicted as a compound of Formula IA: Provided herein are also compositions thereof, methods for their preparation and methods for such polymorphs.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 12, 2018
    Inventors: Tim G. Elford, Peter Chee-Chu Fung, Michael Laird Hurrey, Dimitrios Stefanidis, Dragos Vizitiu
  • Patent number: 9918939
    Abstract: Disclosed are pharmaceutical compositions comprising a compound having the formula: or a pharmaceutically acceptable salt thereof, or a hydrate of thereof, and at least one pharmaceutically acceptable polymer. The pharmaceutically acceptable salt of the compound of Formula I, or a hydrate thereof, can be a mesylate salt, including, for example, a mono-mesylate or a bis-mesylate salt, or a hydrate thereof. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 20, 2018
    Assignee: Gilead Connecticut, Inc.
    Inventors: Melissa Jean Casteel, Bei Li, Rowchanak Pakdaman, Diana Sperger, Dimitrios Stefanidis
  • Publication number: 20180051005
    Abstract: The present disclosure relates to a compound of formula (Ia), (Ib), (IIa), and (IIb): which are useful in the treatment of a Retroviridae viral infection including an infection caused by the HIV virus.
    Type: Application
    Filed: August 17, 2017
    Publication date: February 22, 2018
    Inventors: Michael Graupe, Steven J. Henry, John O. Link, Charles William Rowe, Roland D. Saito, Scott D. Schroeder, Dimitrios Stefanidis, Winston C. Tse, Jennifer R. Zhang
  • Publication number: 20180021362
    Abstract: Disclosed are pharmaceutical compositions comprising Compound I, having the formula: and an effective amount of sofosbuvir wherein the sofosbuvir is substantially crystalline. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Application
    Filed: August 7, 2017
    Publication date: January 25, 2018
    Inventors: Eric Gorman, Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Lauren Wiser, Vahid Zia
  • Publication number: 20170360874
    Abstract: Disclosed are pharmaceutical compositions comprising three antiviral compounds. In particular, the pharmaceutical compositions comprise an effective amount of velpatasvir, an effective amount of sofosbuvir, and an effective amount of voxilaprevir. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 21, 2017
    Inventors: Ben Chal, Elham Nejati, Rowchanak Pakdaman, Dimitrios Stefanidis
  • Publication number: 20170348342
    Abstract: Disclosed herein are a composition and unit dosage form for the treatment of hepatitis C virus (HCV) infection comprising GS-7977 and at least one pharmaceutically acceptable excipient, as well as methods for making said composition and unit dosage form. Also disclosed herein is a method of treating a subject, preferably a human, infected with hepatitis C virus, said method comprising administering to the subject for a time period an effective amount of GS-7977 and an effective amount of ribavirin. In one aspect, the method comprises administering to the subject an interferon-free treatment regimen comprising an effective amount of GS-7977 and an effective amount of ribavirin. In a particular aspect, the method is sufficient to produce an undetectable amount of HCV RNA in the subject for at least 12 weeks after the end of the time period.
    Type: Application
    Filed: January 19, 2017
    Publication date: December 7, 2017
    Inventors: Miriam Michelle Berrey, Melissa Jean Casteel, Darryl G. Cleary, Christy M. Hebner, Robert G. Hindes, Hongmei Mo, Reza Oliyai, Rowchanak Pakdaman, Adrian S. Ray, Charles J. Reynolds, Dimitrios Stefanidis, William T. Symonds, Vahid Zia
  • Patent number: 9809559
    Abstract: The present invention relates to stable novel salt forms of N-(cyanomethyl)-4-(2-(4-morpholinophenylamino)pyrimidin-4-yl)benzamide that are suitable for the preparation of pharmaceutical formulations thereof, and their therapeutic use.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: November 7, 2017
    Assignee: GILEAD SCIENCES, INC.
    Inventors: Brandon H. Brown, Ernest A. Carra, Jeffrey N. Hemenway, Henry Morrison, Troy Reynolds, Bing Shi, Dimitrios Stefanidis, Fang Wang, Matthew Robert Warr, James Andrew Whitney, Yan Xin
  • Patent number: 9757406
    Abstract: Disclosed are pharmaceutical compositions comprising Compound I, having the formula: and an effective amount of sofosbuvir wherein the sofosbuvir is substantially crystalline. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: September 12, 2017
    Assignee: Gilead Pharmasset LLC
    Inventors: Eric Gorman, Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Lauren Wiser, Vahid Zia
  • Publication number: 20170217967
    Abstract: Polymorphs of a bis-mesylate salt of a compound of Formula I: or a hydrate thereof, are provided. The bis-mesylate salt may also be depicted as a compound of Formula IA: Provided herein are also compositions thereof, methods for their preparation and methods for such polymorphs.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: Tim G. Elford, Peter Chee-Chu Fung, Michael Laird Hurrey, Dimitrios Stefanidis, Dragos Vizitiu
  • Publication number: 20170202865
    Abstract: Disclosed are pharmaceutical compositions having an effective amount of substantially amorphous ledipasvir and an effective amount of substantially crystalline sofosbuvir.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 20, 2017
    Inventors: Ben Chal, Erik Mogalian, Reza Oliyai, Rowchanak Pakdaman, Dimitrios Stefanidis, Vahid Zia
  • Patent number: 9657023
    Abstract: Polymorphs of a bis-mesylate salt of a compound of Formula I: or a hydrate thereof, are provided. The bis-mesylate salt may also be depicted as a compound of Formula IA: Provided herein are also compositions thereof, methods for their preparation and methods for such polymorphs.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: May 23, 2017
    Assignee: Gilead Connecticut, Inc.
    Inventors: Tim G. Elford, Peter Chee-Chu Fung, Michael Laird Hurrey, Dimitrios Stefanidis, Dragos Vizitiu
  • Publication number: 20170095499
    Abstract: Disclosed are pharmaceutical compositions comprising Compound I, having the formula: and an effective amount of sofosbuvir wherein the sofosbuvir is substantially crystalline. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 6, 2017
    Inventors: Eric Gorman, Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Lauren Wiser, Vahid Zia
  • Publication number: 20170020821
    Abstract: Disclosed are pharmaceutical compositions comprising a compound having the formula: or a pharmaceutically acceptable salt thereof, or a hydrate of thereof, and at least one pharmaceutically acceptable polymer. The pharmaceutically acceptable salt of the compound of Formula I, or a hydrate thereof, can be a mesylate salt, including, for example, a mono-mesylate or a bis-mesylate salt, or a hydrate thereof. Also disclosed are methods of use for the pharmaceutical composition.
    Type: Application
    Filed: June 9, 2016
    Publication date: January 26, 2017
    Inventors: Melissa Jean Casteel, Bei Li, Rowchanak Pakdaman, Diana Sperger, Dimitrios Stefanidis
  • Patent number: 9549941
    Abstract: Disclosed herein are a composition and unit dosage form for the treatment of hepatitis C virus (HCV) infection comprising GS-7977 and at least one pharmaceutically acceptable excipient, as well as methods for making said composition and unit dosage form. Also disclosed herein is a method of treating a subject, preferably a human, infected with hepatitis C virus, said method comprising administering to the subject for a time period an effective amount of GS-7977 and an effective amount of ribavirin. In one aspect, the method comprises administering to the subject an interferon-free treatment regimen comprising an effective amount of GS-7977 and an effective amount of ribavirin. In a particular aspect, the method is sufficient to produce an undetectable amount of HCV RNA in the subject for at least 12 weeks after the end of the time period.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: January 24, 2017
    Assignee: Gilead Pharmasset LLC
    Inventors: Darryl G. Cleary, Charles J. Reynolds, Miriam Michelle Berrey, Robert G. Hindes, William T. Symonds, Adrian S. Ray, Hongmei Mo, Christy M. Hebner, Reza Oliyai, Vahid Zia, Dimitrios Stefanidis, Rowchanak Pakdaman, Melissa Jean Casteel