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: 20160347719
    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: Application
    Filed: August 8, 2016
    Publication date: December 1, 2016
    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: 9469613
    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: June 11, 2015
    Date of Patent: October 18, 2016
    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: 9382256
    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: July 5, 2016
    Assignee: Gilead Connecticut, Inc.
    Inventors: Melissa Jean Casteel, Bei Li, Rowchanak Pakdaman, Diana Sperger, Dimitrios Stefanidis
  • Publication number: 20160166580
    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: July 29, 2014
    Publication date: June 16, 2016
    Inventors: Melissa Jean Casteel, Bei Li, Rowchanak Pakdaman, Diana Sperger, Dimitrios Stefanidis
  • Publication number: 20160168155
    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: July 29, 2014
    Publication date: June 16, 2016
    Inventors: Peter Chee-Chu Fung, Dimitrios Stefanidis, Dragos Vizitiu, Tim G. Elford, Michael Laird Hurrey
  • Publication number: 20160120892
    Abstract: Disclosed are pharmaceutical compositions having an effective amount of substantially amorphous ledipasvir and an effective amount of substantially crystalline sofosbuvir.
    Type: Application
    Filed: September 28, 2015
    Publication date: May 5, 2016
    Inventors: Ben Chal, Erik Mogalian, Reza Oliyai, Rowchanak Pakdaman, Dimitrios Stefanidis, Vahid Zia
  • Publication number: 20150361050
    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: Application
    Filed: June 11, 2015
    Publication date: December 17, 2015
    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
  • Publication number: 20150150896
    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: November 11, 2014
    Publication date: June 4, 2015
    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
  • Publication number: 20150064253
    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: January 30, 2014
    Publication date: March 5, 2015
    Inventors: Eric Gorman, Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Lauren Wiser, Vahid Zia
  • Publication number: 20150064252
    Abstract: Disclosed are solid dispersions comprising a compound having the formula: wherein the compound is dispersed within a polymer matrix formed by a pharmaceutically acceptable polymer, and further wherein the compound is substantially amorphous. Also disclosed are pharmaceutical compositions comprising the compound and methods of use for the compound.
    Type: Application
    Filed: January 30, 2014
    Publication date: March 5, 2015
    Inventors: Eric Gorman, Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Vahid Zia
  • Publication number: 20150038505
    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: July 29, 2014
    Publication date: February 5, 2015
    Inventors: Tim G. ELFORD, Peter Chee-Chu FUNG, Michael Laird HURREY, Dimitrios STEFANIDIS, Dragos VIZITIU
  • Publication number: 20150038504
    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: July 29, 2014
    Publication date: February 5, 2015
    Inventors: Melissa Jean CASTEEL, Bei LI, Rowchanak PAKDAMAN, Diana SPERGER, Dimitrios STEFANIDIS
  • Patent number: 8889159
    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 27, 2012
    Date of Patent: November 18, 2014
    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
  • Publication number: 20140212487
    Abstract: Disclosed are solid dispersions comprising ledipasvir, wherein ledipasvir is dispersed within a polymer matrix formed by a pharmaceutically acceptable polymer, and further wherein ledipasvir is substantially amorphous. Also disclosed are pharmaceutical compositions comprising solid dispersion and methods of using the solid dispersion.
    Type: Application
    Filed: January 30, 2014
    Publication date: July 31, 2014
    Inventors: Erik Mogalian, Reza Oliyai, Dimitrios Stefanidis, Vahid Zia
  • Publication number: 20140212491
    Abstract: Disclosed are pharmaceutical compositions having an effective amount of substantially amorphous ledipasvir and an effective amount of substantially crystalline sofosbuvir.
    Type: Application
    Filed: January 30, 2014
    Publication date: July 31, 2014
    Inventors: Ben Chal, Erik Mogalian, Reza Oliyai, Rowchanak Pakdaman, Dimitrios Stefanidis, Vahid Zia
  • Patent number: 8293778
    Abstract: The present invention relates to a method of treating an HIV-I infection with a compound according to formula I where R1, R2, R3, R4, R5, are as defined herein.
    Type: Grant
    Filed: February 20, 2010
    Date of Patent: October 23, 2012
    Assignee: Roche Palo Alto LLC
    Inventors: James Patrick Dunn, Todd Richard Elworthy, Dimitrios Stefanidis, Zachary Kevin Sweeney
  • Publication number: 20110207688
    Abstract: The present invention relates to a method of treating an HIV-I infection with a compound according to formula I where R1, R2, R3, R4, R5, are as defined herein.
    Type: Application
    Filed: February 20, 2010
    Publication date: August 25, 2011
    Inventors: James Patrick Dunn, Todd Richard Elworthy, Dimitrios Stefanidis, Zachary Kevin Sweeney
  • Patent number: 7893037
    Abstract: The present invention relates to a method of forming granules of (2R,3S,4R,5R)-5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-2-azido-3,4-bis-iso-butyryloxy-tetrahydro-furan-2-ylmethyl isobutyrate; hydrochloride salt (I), comprising mixing I, with a granulating amount of a granulating liquid, and a polyethylene glycol (PEG)/polypropylene glycol (PPG) block copolymer as a binder and solubility enhancer to form wet granules which are then dried to remove the granulating liquid.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: February 22, 2011
    Assignee: Roche Palo Alto LLC
    Inventors: Kondamraj Birudaraj, Michael Thomas Brandl, Shridhar Hegde, Felix Sana, Dimitrios Stefanidis
  • Patent number: 7795237
    Abstract: The present invention relates to a pharmaceutical composition comprising a solid suspension prepared by hot melt extrusion of isobutyric acid (2R,3S,4R,5R)-5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-2-azido-3,4-bis-iso-butyryloxy-tetrahydro-furan-2-ylmethyl ester; hydrochloride salt (I) and a polyethylene glycol (PEG)/polypropylene glycol (PPG) block copolymer.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: September 14, 2010
    Inventors: Hashim A. Ahmed, Thomas Vernon Alfredson, Kondamraj Birudaraj, Michael Thomas Brandl, Wantanee Phuapradit, Navnit Hargovindas Shah, Dimitrios Stefanidis
  • Patent number: 7666891
    Abstract: The present invention relates to a compounds according to formula I, methods for treating diseases mediated by human immunodeficiency virus by administration of a compound according to formula I and pharmaceutical compositions for treating diseases mediated by human immunodeficiency virus containing a compound according to formula I where R1, R2, R3, R4, R5, are as defined herein.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: February 23, 2010
    Assignee: Roche Palo Alto LLC
    Inventors: James Patrick Dunn, Todd Richard Elworthy, Dimitrios Stefanidis, Zachary Kevin Sweeney