Patents by Inventor Hassan Pajouhesh

Hassan Pajouhesh 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: 8629149
    Abstract: Compounds of formula (I) which are useful in ameliorating conditions characterized by unwanted sodium and/or calcium channel actrvrh, particularly Nav 1, 7, Nav 1, 8, or Cav 3, 2 channel activity are disclosed. More specifically, compounds for use in the treatment of conditions such as epilepsy, cancer, pain, migraine, Parkinson's disease, depression, schizophrenia, psychosis, and tinnitus are disclosed.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: January 14, 2014
    Assignee: Zalicus Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Yanbing Ding
  • Publication number: 20140011996
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing N-piperidinyl acetamide derivatives as shown in formula (1).
    Type: Application
    Filed: August 29, 2013
    Publication date: January 9, 2014
    Applicant: Zalicus Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Ramesh Kaul, Yanbing Ding, Yongbao Zhu, Lingyun Zhang, Nagasree Chakka, MIchael Edward Grimwood, Jason Tan, Yuanxi Zhou
  • Patent number: 8569344
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing N-piperidinyl acetamide derivatives as shown in formula (1).
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: October 29, 2013
    Assignee: Zalicus Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Ramesh Kaul, Yanbing Ding, Yongbao Zhu, Lingyun Zhang, Nagasree Chakka, Mike Grimwood, Jason Tan, Yuanxi Zhou
  • Publication number: 20130065926
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing N-piperidinyl acetamide derivatives as shown in formula (1).
    Type: Application
    Filed: August 31, 2012
    Publication date: March 14, 2013
    Inventors: Hassan A. PAJOUHESH, Ramesh KAUL, Yanbing DING, Yongbao ZHU, Lingyun ZHANG, Nagasree CHAKKA, Michael Edward GRIMWOOD, Jason TAN, Yuanxi ZHOU
  • Patent number: 8377968
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing N-piperidinyl acetamide derivatives as shown in formula (1).
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: February 19, 2013
    Assignee: Zalicus Pharmaceuticals, Ltd.
    Inventors: Hassan Pajouhesh, Ramesh Kaul, Yanbing Ding, Yongbao Zhu, Lingyun Zhang, Nagasree Chakka, Mike Grimwood, Jason Tan, Yuanxi Zhou
  • 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: 20120245137
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted N-type and/or T-type calcium channel activity, are disclosed. Specifically, a series of compounds containing aryl sulphone derivatives, as exemplified by Formula (I).
    Type: Application
    Filed: September 17, 2010
    Publication date: September 27, 2012
    Applicant: Zalicus Pharmaceuticals Ltd.
    Inventors: Hassan A. Pajouhesh, Robert Galemmo, JR., Richard Holland, Yuanxi Zhou, Yongbao Zhu, Eric Simonson, Navjot Chahal, Mike Grimwood
  • Publication number: 20120220564
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed using a series of compounds containing N-acylated cyclic amines linked to an a?l ring as shown in formula (I).
    Type: Application
    Filed: September 17, 2010
    Publication date: August 30, 2012
    Applicant: Zalicus Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Yongbao Zhu, Yuanxi Zhou, Michael E. Grimwood, Eric Simonson
  • Publication number: 20120220605
    Abstract: Compounds of formula (I) which are useful in ameliorating conditions characterized by unwanted sodium and/or calcium channel actrvrh, particularly Nav1.7, Nav 1.8, or Cav 3.2 channel activity are disclosed. More specifically, compounds for use in the treatment of conditions such as epilepsy, cancer, pain, migraine, Parkinson's disease, depression, schizophrenia, psychosis, and tinnitus are disclosed.
    Type: Application
    Filed: September 3, 2010
    Publication date: August 30, 2012
    Applicant: Zalicus Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Yanbing Ding
  • Publication number: 20120220603
    Abstract: Compounds of formula (I) which are useful in ameliorating conditions characterized by unwanted sodium and/or calcium channel activity, particularly unwanted NaV 1.7, NaV 1.8, or CaV 3.2 channel activity are disclosed. Specifically, a series of compounds containing piperidine or piperazine linked through an amide, isoxazole or similar linker to an aryl ring are described and are shown to be useful for the treatment of pain or epilepsy. A is selected from Formulae (i) or (ii).
    Type: Application
    Filed: September 3, 2010
    Publication date: August 30, 2012
    Applicant: ZALICUS PHARMACEUTICALS LTD.
    Inventors: Hassan Pajouhesh, Mike Grimwood, Yongbao Zhu, Yanbing Ding, Richard Holland
  • Patent number: 8133998
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing thienopyrimidine or oxoquinazoline derivatives are disclosed of the general formula (1) or formula (2) where X is a linker and Y is an aromatic moiety or N(R5)(R6).
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: March 13, 2012
    Assignee: Zalicus Pharmaceuticals, Ltd.
    Inventors: Hassan Pajouhesh, Hossein Pajouhesh, Yanbing Ding, Jason Tan, Mike Grimwood, Francesco Belardetti, Ramesh Kaul, Richard Holland, Navjot Chahal
  • 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: 20100168103
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted N-type calcium channel activity are disclosed. Specifically, a series of diaryl piperidine compounds are disclosed of the general formula (I) where X is a linker and Y may be C, O, S or N.
    Type: Application
    Filed: September 14, 2007
    Publication date: July 1, 2010
    Applicant: NEUROMED PHARMACEUTICALS LTD.
    Inventors: Hassan Pajouhesh, Yanbing Ding, Hossein Pajouhesh, Richard Holland, Gabriel Hum
  • Publication number: 20100105682
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted N-type calcium channel activity are disclosed. Specifically, a series of compounds containing both a piperazine ring and a cyclopropyl ring are disclosed of the general formula (I) where X1 and X2 are linkers.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 29, 2010
    Inventors: Hassan Pajouhesh, Hossein Pajouhesh, Ramesh Kaul
  • Patent number: 7659395
    Abstract: Urea derivatives which comprise compounds of the formula wherein A is H, B is piperidine and each Ar is phenyl are disclosed as useful in treating conditions such as pain, epilepsy, diabetes or prostate cancer.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: February 9, 2010
    Assignee: Neuromed Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Hossein Pajouhesh, Yanbing Ding, Terrance P. Snutch
  • Publication number: 20100029681
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted N-type calcium channel activity are disclosed. Specifically, a series of heterocyclic compounds are disclosed of the general formula (1) where X1 and X2 are linkers and W is an optionally substituted imidazolyl, oxazolyl, thiazolyl, benzimidazolyl, benzoxazolyl, or benzothiazolyl.
    Type: Application
    Filed: May 25, 2007
    Publication date: February 4, 2010
    Inventors: Hassan Pajouhesh, Yanbing Ding
  • Patent number: 7649092
    Abstract: Urea derivatives which comprise piperidine or piperazine rings and further substitution are effective in ameliorating conditions characterized by unwanted calcium ion channel activity.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: January 19, 2010
    Assignee: Neuromed Pharmaceuticals Ltd.
    Inventors: Hassan Pajouhesh, Hossein Pajouhesh, Yanbing Ding, Terrance P. Snutch
  • Publication number: 20090298834
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing 4-(aminomethyl)cyclohexanamine derivatives as shown in formula (1).
    Type: Application
    Filed: April 8, 2009
    Publication date: December 3, 2009
    Inventors: Hassan PAJOUHESH, Ramesh Kaul, Mike Grimwood, Jason Tan, Yuanxi Zhou
  • Publication number: 20090298883
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted T-type calcium channel activity are disclosed. Specifically, a series of compounds containing N-piperidinyl acetamide derivatives as shown in formula (1).
    Type: Application
    Filed: April 8, 2009
    Publication date: December 3, 2009
    Inventors: Hassan PAJOUHESH, Ramesh KAUL, Yanbing DING, Yongbao ZHU, Lingyun ZHANG, Nagasree CHAKKA, Mike GRIMWOOD, Jason TAN, Yuanxi ZHOU
  • Publication number: 20090286806
    Abstract: Methods and compounds effective in ameliorating conditions characterized by unwanted calcium channel activity, particularly unwanted N-type or T-type calcium channel activity are disclosed. Specifically, a series of isoxazole containing compounds are disclosed of the general formula (1) where Z is N or CHNR3 and (Ar1)2CR4 is optionally substituted benzhydryl.
    Type: Application
    Filed: April 17, 2007
    Publication date: November 19, 2009
    Inventors: Hassan Pajouhesh, Richard Holland, Hossein Pajouhesh