Patents by Inventor Christopher Semko

Christopher Semko 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: 7741328
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: June 22, 2010
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Andrei W. Konradi, Christopher Semko, Ying-Zi Xu
  • Publication number: 20100016345
    Abstract: Disclosed are compounds, which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a human or animal subject such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, Crohn's disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: July 17, 2009
    Publication date: January 21, 2010
    Inventors: Jenifer Smith, Christopher Semko, Ying-Zi Xu, Andrei W. Konradi
  • Patent number: 7579466
    Abstract: Disclosed are compounds, which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a human or animal subject such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, Crohn's disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: August 25, 2009
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Jenifer Smith, Christopher Semko, Ying-Zi Xu, Andrei W. Konradi
  • Patent number: 7538215
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: May 26, 2009
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Christopher Semko, Christopher Joseph Soares, Christine M. Tarby
  • Publication number: 20080182850
    Abstract: Disclosed are certain 3-(heteroaryl)alanine derivatives which bind VLA-4 and inhibit leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: October 16, 2007
    Publication date: July 31, 2008
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Susan Ashwell, Gregory S. Welmaker, Anthony Kreft, Dimitrios Sarantakis, Darren B. Dressen, Francine S. Grant, Christopher Semko, Ying-Zi Xu, Frank Stappenbeck
  • Patent number: 7378529
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: May 27, 2008
    Assignee: Wyeth
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Susan Ashwell, Gregory S. Welmaker, Anthony Kreft, Dimitrios Sarantakis, Darren B. Dressen, Francine S. Grant, Christopher Semko, Ying-Zi Xu
  • Patent number: 7365073
    Abstract: Disclosed are certain 3-(heteroaryl)alanine derivatives which bind VLA-4 and inhibit leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: April 29, 2008
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Darren B. Dressen, Francine S. Farouz, Christopher Semko, Ying-Zi Xu, Frank Stappenbeck
  • Publication number: 20080090817
    Abstract: The invention provides N-cyclic sulfonamido compounds and salts of Formula I: wherein A is as described in the specification and R1 and R2 combine to form a [3.3.1] or a [3.2.1] ring system, where the nitrogen is attached to the two bridgehead carbons, and the [3.3.1] or [3.2.1] ring systems are optionally fused with an heteroaryl or heterocycloalkyl ring. Compounds of Formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's Disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of treating cognitive disorders, such as Alzheimer's disease, and the intermediates useful in preparing the compounds of Formula I.
    Type: Application
    Filed: December 5, 2007
    Publication date: April 17, 2008
    Inventors: Simeon Bowers, Albert Garofalo, Roy Hom, Andrei Konradi, Matthew Mattson, Martin Neitzel, Christopher Semko, Anh Truong, Jing Wu, Ying-zi Xu
  • Publication number: 20080058357
    Abstract: Disclosed are compounds, which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a human or animal subject such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, Crohn's disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: February 26, 2007
    Publication date: March 6, 2008
    Inventors: Jenifer Smith, Christopher Semko, Ying-Zi Xu, Andrei Konradi
  • Publication number: 20080021056
    Abstract: The invention provides compounds of formula I: or pharmaceutically salts thereof where R1, R2, and the A, B, and C-rings are as defined herein. Compounds of formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's disease. The invention also encompasses pharmaceutical compositions comprising compounds or salts of formula I, methods of preparing the desired compounds, and methods of treating cognitive disorders, such as Alzheimer's disease, using the compounds or salts of formula I.
    Type: Application
    Filed: June 1, 2007
    Publication date: January 24, 2008
    Inventors: Andrei Konradi, Gary Probst, Danielle Aubele, Albert Garofalo, Roy Hom, Martin Neitzel, Christopher Semko, Anh Truong
  • Patent number: 7291645
    Abstract: Disclosed are a series of phenylalanine derivatives, to compositions containing them, to processes for their preparation, and to their use in medicine.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: November 6, 2007
    Assignees: Elan Pharmaceuticals, Inc., Wyeth
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Susan Ashwell, Gregory S. Welmaker, Anthony Kreft, Dimitrios Sarantakis, Darren B. Dressen, Francine S. Grant, Christopher Semko, Ying-Zi Xu
  • Publication number: 20070155753
    Abstract: The invention provides N-cyclic sulfonamido compounds of Formula I wherein A, B, R1, R1a, R2, R2a, R3 and R3a are as described in the specification. Compounds of Formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of preparing compounds of formula I, and methods of treating cognitive disorders, such as Alzheimer's disease.
    Type: Application
    Filed: December 1, 2006
    Publication date: July 5, 2007
    Inventors: Xiaocong Ye, Albert Garofalo, Jacek Jagodzinski, Andrei Konradi, Christopher Semko, Jenifer Smith, Ying-zi Xu
  • Publication number: 20070142416
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a human or animal subject such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: September 28, 2006
    Publication date: June 21, 2007
    Inventors: Christopher Semko, Ying-zi Xu, Frank Stappenbeck, Jenifer Smith, Kassandra Rossiter, Juri Fukuda, Andrei Konradi
  • Publication number: 20070129390
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: September 28, 2006
    Publication date: June 7, 2007
    Inventors: Christopher Semko, Ying-zi Xu, Frank Stappenbeck, Jenifer Smith, Kassandra Rossiter, Juri Fukuda, Andrei Konradi
  • Publication number: 20070099921
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: October 16, 2006
    Publication date: May 3, 2007
    Inventors: Andrei Konradi, Christopher Semko, Ying-Zi Xu
  • Patent number: 7205310
    Abstract: Disclosed are compounds which bind VLA-4 and/or LPAM-1. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4 and/or LPAM-1. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: April 17, 2007
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Andrei W. Konradi, Frank Stappenbeck, Michael A. Pleiss, Christopher Semko, Jenifer L. Smith
  • Publication number: 20070049612
    Abstract: The invention provides N-cyclic sulfonamido compounds and salts of Formula I: wherein A is as described in the specification and R1 and R2 combine to form a [3.3.1] or a [3.2.1] ring system, where the nitrogen is attached to the two bridgehead carbons, and the [3.3.1] or [3.2.1] ring systems are optionally fused with an heteroaryl or heterocycloalkyl ring. Compounds of Formula I are useful in treating or preventing cognitive disorders, such as Alzheimer's Disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of treating cognitive disorders, such as Alzheimer's disease, and the intermediates useful in preparing the compounds of Formula I.
    Type: Application
    Filed: August 18, 2006
    Publication date: March 1, 2007
    Inventors: Simeon Bowers, Albert Garofalo, Roy Hom, Andrei Konradi, Matthew Mattson, Martin Neitzel, Christopher Semko, Anh Truong, Jing Wu, Ying-zi Xu
  • Publication number: 20070037804
    Abstract: Disclosed are compounds of the formula: and the pharmaceutically acceptable salts thereof wherein the variables A, n, R5, R21—R24 and Q are defined herein. These compounds bind VLA-4. Certain of these compound also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: May 22, 2006
    Publication date: February 15, 2007
    Inventors: Frank Stappenbeck, Andrei Konradi, Jacek Jagodzinski, Christopher Semko, Ying-zi Xu, Jenifer Smith, Kassandra Rossiter
  • Publication number: 20070027131
    Abstract: Disclosed are compounds which bind ?4 integrins, preferably VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by ?4 integrins, preferably VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Application
    Filed: September 26, 2006
    Publication date: February 1, 2007
    Inventors: Andrei Konradi, Christopher Semko, Ying-zi Xu, Frank Stappenbeck, Brian Stupi, Jenifer Smith, Michael Pleiss, Eugene Thorsett
  • Publication number: 20070021555
    Abstract: Disclosed is a process for preparing polymer conjugates of agricultural, therapeutic, and food additive compounds using Mitsunobu conditions.
    Type: Application
    Filed: July 7, 2006
    Publication date: January 25, 2007
    Inventors: Andrei Konradi, Jenifer Smith, Michael Dappen, Christopher Semko