Patents by Inventor Prasun Chakravarty

Prasun Chakravarty 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: 20080015190
    Abstract: The present invention relates to hydroxamic acid derivatives that are inhibitors of histone deacetylase (HDAC). The compounds of the present invention are useful for treating cellular proliferative diseases, including cancer. Further, the compounds of the present invention are useful for treating neurodegenerative diseases, schizophrenia and stroke among other diseases. Further, the compounds of the present invention have antiprotozoal properties.
    Type: Application
    Filed: July 8, 2005
    Publication date: January 17, 2008
    Inventors: Prasun Chakravarty, Howard Kuo, Jay Matthews, Peter Meinke
  • Publication number: 20070060584
    Abstract: Biaryl substituted thiazole, oxazole and imidazole compounds are sodium channel blockers useful for the treatment of pain. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more therapeutically active compounds, and a pharmaceutically acceptable carrier. Methods of treatment or prevention of conditions, including acute pain, chronic pain, visceral pain, inflammatory pain, and neuropathic pain comprise administering an effective amount of the present compounds, either alone, or in combination with one or more therapeutically active compounds.
    Type: Application
    Filed: April 14, 2004
    Publication date: March 15, 2007
    Inventors: Prasun Chakravarty, Michael Fisher, William Parsons, Sriram Tyagarajan, Bishan Zhou, Jeffrey Fisher
  • Publication number: 20060293339
    Abstract: Biaryl substituted pyridine, pyrimidine and pyrazine compounds are sodium channel blockers useful for the treatment of pain. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more therapeutically active compounds, and a pharmaceutically acceptable carrier. Methods of treating conditions associated with, or caused by, sodium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, epilepsy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, and bipolar disorder, comprise administering an effective amount of the present compounds, either alone, or in combination with one or more other therapeutically active compounds.
    Type: Application
    Filed: March 19, 2004
    Publication date: December 28, 2006
    Inventors: Prasun Chakravarty, Michael Fisher, William Parsons, Jun Liang, Bishan Zhou
  • Publication number: 20060183897
    Abstract: Biaryl substituted triazole compounds represented by Formula I, II or III, or pharmaceutically acceptable salts thereof, and a process for making such compounds and salts thereof. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more other therapeutically active compounds, and a pharmaceutically acceptable carrier. Methods of treating conditions associated with, or caused by, sodium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, epilepsy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, and bipolar disorder, comprise administering an effective amount of the present compounds, either alone, or in combination with one or more other therapeutically active compounds.
    Type: Application
    Filed: March 12, 2004
    Publication date: August 17, 2006
    Inventors: Prasun Chakravarty, Michael Fisher, Brenda Palucki, Min Park, William Parsons, Bishan Zhou, James Carey, Douglas Frantz, Michael Kress, Damian Weaver
  • Publication number: 20060183785
    Abstract: Biaryl substituted pyrazole compounds are sodium channel blockers useful for the treatment of pain and other conditions. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more therapeutically active compounds, and a pharmaceutically acceptable carrier. Methods of treatment of conditions, including acute pain, chronic pain, visceral pain, inflammatory pain, and neuropathic pain, comprise administering an effective amount of the present compounds, either alone, or in combination with one or more therapeutically active compounds.
    Type: Application
    Filed: March 30, 2004
    Publication date: August 17, 2006
    Inventors: Prasun Chakravarty, Michael Fisher, William Parsons, Sriram Tyagarajan, Bishan Zhou, Jeffrey Fisher
  • Publication number: 20060020006
    Abstract: Substituted triazole compounds represented by Formula I, II or III, or pharmaceutically acceptable salts thereof. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more other therapeutically active compounds, and a pharmaceutically acceptable carrier. Methods of treating conditions associated with, or caused by, sodium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, migraine, headache pain, migraine headache, epilepsy, irritable bowel syndrome, diabetic neuropathy, multiple sclerosis, manic depression and bipolar disorder, comprise administering an effective amount of the present compounds, either alone, or in combination with one or more other therapeutically active compounds.
    Type: Application
    Filed: November 10, 2004
    Publication date: January 26, 2006
    Inventors: Min Park, Prasun Chakravarty, Bishan Zhou, Edward Gonzalez, Hyun Ok, Brenda Palucki, William Parsons, Rosemary Sisco, Michael Fisher, Louis Zuegner
  • Publication number: 20050165072
    Abstract: Aryl-link-aryl thiazolidine-dione and aryl-link-aryl oxazolidine-dione compounds are sodium channel blockers; pharmaceutical compositions that include an effective amount of the aryl-link-aryl thiazolidine-dione and aryl-link-aryl oxazolidine-dione compounds and a pharmaceutically acceptable carrier, and a method of treatment of acute pain, chronic pain, visceral pain, inflammatory pain, or neuropathic pain, as well as initable bowel syndrome, Cnohns disease, epilepsy, partial and generalized tonic seizures, multiple sclerosis, bipolar depression, and tachy-arrhythmias by the administration of an effective amount of aryl-link-aryl thiazolidine-dione and aryl-link-aryl oxazolidine-dione compounds are described.
    Type: Application
    Filed: April 25, 2003
    Publication date: July 28, 2005
    Inventors: Michelle Ayer, Prasun Chakravarty, Peter Meinke, William Parsons, Sriram Tyagarajan
  • Publication number: 20050119261
    Abstract: Biaryl substituted triazole compounds represented by Formula I, II or III, or pharmaceutically acceptable salts thereof, and a process for making such compounds and salts thereof. Pharmaceutical compositions comprise an effective amount of the instant compounds, either alone, or in combination with one or more other therapeutically active compounds, and a pharmaceutically acceptable carrier. Methods of treating conditions associated with, or caused by, sodium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, epilepsy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, and bipolar disorder, comprise administering an effective amount of the present compounds, either alone, or in combination with one or more other therapeutically active compounds.
    Type: Application
    Filed: March 12, 2004
    Publication date: June 2, 2005
    Inventors: Prasun Chakravarty, Michael Fisher, Jeffrey Fisher, Brenda Palucki, Min Park, William Parsons, Bishan Zhou, James Carey, Douglas Frantz, Michael Kress, Damian Weaver