Patents by Inventor Prasun K. Chakravarty

Prasun K. 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).

  • Patent number: 8304434
    Abstract: A series of substituted aryl sulfone derivatives represented by Formula I, 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, calcium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, urinary incontinence, itchiness, allergic dermatitis, epilepsy, diabetic neuropathy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, sleep disorder, bipolar disorder and stroke, comprise administering an effective amount of the present compounds, either alone, or in combination with one or more other therapeutically active compounds.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: November 6, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Prasun K. Chakravarty, Yanbing Ding, Joseph L. Duffy, Hassan Pajouhesh, Pengcheng Patrick Shao, Sriram Tyagarajan, Feng Ye
  • Publication number: 20110172236
    Abstract: A series of substituted aryl sulfone derivatives represented by Formula I, 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, calcium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, urinary incontinence, itchiness, allergic dermatitis, epilepsy, diabetic neuropathy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, sleep disorder, bipolar disorder and stroke, 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: September 21, 2009
    Publication date: July 14, 2011
    Inventors: Prasun K. Chakravarty, Joseph L. Duffy, Pengcheng Patric Shao
  • Publication number: 20110172223
    Abstract: A series of substituted aryl sulfone derivatives represented by Formula I, 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, calcium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, urinary incontinence, itchiness, allergic dermatitis, epilepsy, diabetic neuropathy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, sleep disorder, bipolar disorder and stroke, 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: September 21, 2009
    Publication date: July 14, 2011
    Inventors: Prasun K. Chakravarty, Pengcheng Patrick Shao
  • Publication number: 20100210620
    Abstract: A series of substituted aryl sulfone derivatives represented by Formula I, 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, calcium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, urinary incontinence, itchiness, allergic dermatitis, epilepsy, diabetic neuropathy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, sleep disorder, bipolar disorder and stroke, 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: September 30, 2008
    Publication date: August 19, 2010
    Inventors: Prasun K. Chakravarty, Yanbing Ding, Joseph L. Duffy, Hassan Pajouhesh, Pengeheng Patrick Shao, Sriram Tyagarajan, Feng Ye
  • Publication number: 20100087446
    Abstract: 2-Substituted indole derivatives represented by Formula I, 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, calcium channel activity, including, for example, acute pain, chronic pain, visceral pain, inflammatory pain, neuropathic pain, urinary incontinence, itchiness, allergic dermatitis, epilepsy, diabetic neuropathy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, bipolar disorder and stroke, 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: April 22, 2008
    Publication date: April 8, 2010
    Inventors: Prasun K. Chakravarty, Joseph L. Duffy, Min K. Park, Sriram Tyagarajan, Bishan Zhou
  • Patent number: 7589116
    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: Grant
    Filed: March 30, 2004
    Date of Patent: September 15, 2009
    Assignee: Merck & Co. Inc.
    Inventors: Prasun K. Chakravarty, Michael H. Fisher, Jeffrey M. Fisher, legal representative, William H. Parsons, Sriram Tyagarajan, Bishan Zhou
  • Patent number: 7572822
    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: Grant
    Filed: January 30, 2008
    Date of Patent: August 11, 2009
    Assignee: Merck & Co. Inc.
    Inventors: Prasun K. Chakravarty, Louis L. Zuegner, III, legal representative, William H. Parsons, Brenda Palucki, Bishan Zhou, Min K. Park, Michael H. Fisher
  • Publication number: 20090074890
    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 5, 2004
    Publication date: March 19, 2009
    Inventors: Min K. Park, Prasun K. Chakravarty, Bishan Zhou, Edward Gonzalez, Hyun Ok, Brenda Palucki, William H. Parsons, Rosemary Sisco, Michael H. Fisher, Louis L. Zuegner, III
  • Publication number: 20090005389
    Abstract: 2,5-diaza-bicyclo[2.2.1]heptane derivatives represented by Formula (I), 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, urinary incontinence, itchiness, allergic dermatitis, epilepsy, irritable bowel syndrome, depression, anxiety, multiple sclerosis, bipolar disorder and stroke, 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: January 12, 2007
    Publication date: January 1, 2009
    Inventor: Prasun K. Chakravarty
  • Patent number: 7459475
    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: Grant
    Filed: November 10, 2004
    Date of Patent: December 2, 2008
    Assignee: Merck & Co. Inc.
    Inventors: Min K. Park, Prasun K. Chakravarty, Bishan Zhou, Edward Gonzalez, Hyun Ok, Brenda Palucki, William H. Parsons, Rosemary Sisco, Louis L. Zuegner, III, legal representative, Michael H. Fisher
  • Publication number: 20080280873
    Abstract: Biaryl substituted pyrazinone compounds represented by Formula I, 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, urinary incontinence, itchiness, allergic dermatitis, 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 25, 2005
    Publication date: November 13, 2008
    Inventors: Jun Liang, Prasun K. Chakravarty, Deborah E. Pan, William H. Parsons, Pengcheng P. Shao, Feng Yee, Bishan Zhou
  • Publication number: 20080262035
    Abstract: The present invention relates to carboxylic 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.
    Type: Application
    Filed: July 11, 2005
    Publication date: October 23, 2008
    Inventors: Prasun K. Chakravarty, Steven L. Colletti, Raffaele Ingenito, Peter T. Meinke, Alessia Petrocchi, Christian Steinkuhler
  • Publication number: 20080221157
    Abstract: The present invention relates to ketone 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.
    Type: Application
    Filed: July 11, 2005
    Publication date: September 11, 2008
    Applicants: ISTITUTO DI RICERCHE DI BIOLOGIA MOLECOLARE P ANGE, MERCK & CO. INC.
    Inventors: Prasun K. Chakravarty, Steven L. Colletti, Raffaele Ingenito, Philip Jones, Peter T. Meinke, Ester Muraglia, Alessia Petrocchi, Michael Rowley, Rita Scarpelli, Christian Steinkuhler
  • Publication number: 20080171777
    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: January 30, 2008
    Publication date: July 17, 2008
    Inventors: Prasun K. Chakravarty, Michael H. Fisher, Louis L. Zuegner, William H. Parsons, Brenda Palucki, Bishan Zhou, Min K. Park
  • Publication number: 20080139578
    Abstract: The present invention is directed to the use of substituted piperizine compounds represented by Formula I, for the treatment of pain, including acute pain, chronic pain, cancer pain, visceral pain, inflammatory pain, neuropathic pain, post-herpetic neuralgia, diabetic neuropathy, trigeminal neuralgia, migraine, and fibromyalgia.
    Type: Application
    Filed: November 6, 2007
    Publication date: June 12, 2008
    Inventors: Catherine Abbadie, Prasun K. Chakravarty, Joseph L. Duffy
  • Patent number: 7348348
    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: Grant
    Filed: April 25, 2003
    Date of Patent: March 25, 2008
    Assignee: Merck & Co. Inc.
    Inventors: Howard C. H. Kuo, Michelle B. Ayer, Prasun K. Chakravarty, Peter T. Meinke, William H. Parsons, Sriram Tyagarajan
  • Patent number: 7326726
    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: Grant
    Filed: March 12, 2004
    Date of Patent: February 5, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Prasun K. Chakravarty, Louis L. Zuegner III, legal representative, Brenda Palucki, Min K. Park, William H. Parsons, Bishan Zhou, Michael H. Fisher, deceased
  • Patent number: 6586452
    Abstract: The present invention relates to novel nodulosporic acid derivatives, which are acaricidal, antiparasitic, insecticidal and anthelmintic agents.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: July 1, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Thomas Shih, Steven L. Colletti, Michael H. Fisher, Peter T. Meinke, Howard C. H. Kuo, Prasun K. Chakravarty, Matthew J. Wyvratt, Sriram Tyagarajan, Richard Berger
  • Publication number: 20020045653
    Abstract: The present invention relates to novel nodulosporic acid derivatives, which are acaricidal, antiparasitic, insecticidal and anthelmintic agents.
    Type: Application
    Filed: July 9, 2001
    Publication date: April 18, 2002
    Inventors: Thomas Shih, Steven L. Colletti, Michael H. Fisher, Peter T. Meinke, Dong Ok, Prasun K. Chakravarty, Matthew J. Wyvratt
  • Patent number: 5804578
    Abstract: The present invention is directed to certain piperidines, pyrrolidines, and hexahydro-1H-azepines of the general structural formula: ##STR1## wherein B is selected from: ##STR2## and R.sup.1, R.sup.1a, R.sup.2a, R.sup.3a, R.sup.3b, R.sup.4, R.sup.4a, R.sup.4b, R.sup.4c, R.sup.5, D, X, Y, n, x and y are as defined herein. These compounds promote the release of growth hormone in humans and animals. This property can be utilized to promote the growth of food animals to render the production of edible meat products more efficient, and in humans, to treat physiological or medical conditions characterized by a deficiency in growth hormone secretion, such as short stature in growth hormone deficient children, and to treat medical conditions which are improved by the anabolic effects of growth hormone. Growth hormone releasing compositions containing such compounds as the active ingredient thereof are also disclosed.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: September 8, 1998
    Assignee: Merck & Co., Inc.
    Inventors: Prasun K. Chakravarty, Meng H. Chen, Ravi Nargund, Arthur A. Patchett, James R. Tata, Mu Tsu Wu, Lihu Yang