Patents by Inventor Steven R. Schow

Steven R. Schow 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: 20110301088
    Abstract: Crystalline ezatiostat hydrochloride ansolvate form D is more stable and/or more soluble that various solvated crystalline polymorphic forms of ezatiostat hydrochloride.
    Type: Application
    Filed: March 4, 2011
    Publication date: December 8, 2011
    Inventors: Stephan D. Parent, Steven R. Schow
  • Publication number: 20080159980
    Abstract: A method of combination cancer therapy in a mammal, especially a human, by administering a therapeutically effective amount of a GST-activated anticancer compound and a therapeutically effective amount of another anticancer therapy, that is, an anticancer therapy that is not a treatment with a GST- activated anticancer compound (including chemotherapy; molecular targeted therapy; biologic therapy; and radiotherapy, used as monotherapy or in combination). Pharmaceutical compositions, products, and kits for the method. The use of a GST-activated anticancer compound in the manufacture of a medicament for the method. A method of potentiating an anticancer therapy in a mammal, especially a human, comprising administering a therapeutically effective amount of a GST-activated anticancer compound to the mammal being treated with the anticancer therapy. The use of a GST-activated anticancer compound in the manufacture of a medicament for the method. The GST-activated anticancer compound is preferably a compound of U.
    Type: Application
    Filed: October 15, 2007
    Publication date: July 3, 2008
    Inventors: Hua Xu, Gail L. Brown, Steven R. Schow, James G. Keck
  • Patent number: 7262182
    Abstract: Sulfonylethyl and thioethyl phosphorodiamidates, their preparation and intermediates in their preparation, formulations containing them, and their pharmaceutical use. The compounds are useful for treating cancer, alone and in combination with other anticancer therapies.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: August 28, 2007
    Assignee: Telik, Inc.
    Inventors: Louise Robinson, Steven R. Schow, Songyuan Shi
  • Patent number: 7192918
    Abstract: Tripeptide and tetrapeptide sulfones, pharmaceutical compositions containing them, their pharmaceutical use, and their preparation, are disclosed. The compounds are useful in potentiating the cytotoxic effects of chemotherapeutic agents in tumor cells, selectively exerting toxicity in tumor cells, elevating the production of GM progenitors in bone marrow cells, stimulating the differentiation of bone marrow, mitigating the myelosuppressive effects of chemotherapeutic agents, and modulating hematopoiesis in bone marrow.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: March 20, 2007
    Assignee: Telik, Inc.
    Inventors: Steven R. Schow, Natalia Aurrecoechea
  • Patent number: 7129215
    Abstract: Tripeptide and tetrapeptide thioethers, pharmaceutical compositions containing them, their pharmaceutical use, and their preparation. The compounds are useful in potentiating the cytotoxic effects of chemotherapeutic agents in tumor cells, selectively exerting toxicity in tumor cells, elevating the production of GM progenitors in bone marrow, stimulating the differentiation of bone marrow, mitigating the myelosuppressive effects of chemotherapeutic agents, and modulating hematopoiesis in bone marrow.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: October 31, 2006
    Assignee: Telik, Inc.
    Inventors: Natalia Aurrecoechea, Andrew B. Kelson, Robert W. Macsata, Louise Robinson, Anthony J. Sanchez, Nicholas M. Santiago, Steven R. Schow, Reyna J. Simon
  • Patent number: 7071231
    Abstract: Compounds of formula I are useful for treating conditions associated with hyperglycemia, especially Type II diabetes. These compounds are useful in stimulating the kinase activity of the insulin receptor, activating the insulin receptor, and stimulating the uptake of glucose. Pharmaceutical compositions comprising the antidiabetic compounds are also disclosed.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: July 4, 2006
    Assignee: Telik, Inc.
    Inventors: Wayne R. Spevak, Songyuan Shi, Prasad V. V. S. V. Manchem, Michael R. Kozlowski, Steven R. Schow, Robert T. Lum
  • Patent number: 7029695
    Abstract: Pharmaceutical compositions and methods of using them. Lipid formulations of a glutathione analog and methods of manufacturing them. Their use to stimulate hematopoiesis, protect hematopoietic cells from damage caused by radiation or chemotherapy, or potentiate the stimulatory action of one or a combination of cytokines on colony formation by hematopoietic progenitor cells, protect a subject from a destructive effect of a chemotherapeutic agent or irradiation, or to potentiate the effect of a chemotherapeutic agent.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: April 18, 2006
    Assignee: Telik, Inc.
    Inventors: Thomas Redelmeier, Lawrence M. Kauvar, Robert T. Lum, Matthew H. Lyttle, Robert W. Macsata, Steven R. Schow, Hugo O. Villar, Michael R. Kozlowski
  • Patent number: 6794390
    Abstract: A compound having the formula: wherein: R1 is —X—R1′; in which R1′ is lower alkyl, substituted lower alkyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl, or heterocyclic, and X is —NH—; R2 is isopropyl; and R3 is —NR4R5; in which R4 is hydrogen and R5 is lower alkyl substituted with amino or R4 and R5 are both lower alkyl substituted with one, two or three groups chosen from hydroxy and amino, or an acid addition salt or cationic salt thereof. The compounds inhibit CDK-2 activity and are useful for treating disorders characterized by undesirable cell proliferation.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: September 21, 2004
    Assignee: CV Therapeutics, Inc.
    Inventors: Robert T. Lum, Cheri Lynn Blum, Richard Mackman, Michael M. Wick, Steven R. Schow
  • Patent number: 6790958
    Abstract: Compounds of the following formula are provided: wherein: R1 is —X—R1′; in which R1′ is alkyl, cycloalkyl, aryl, aralkyl, hetaryl, or heterocyclyl, all of which are optionally substituted; X is —NH; R2 is optionally substituted lower alkyl; and R3 is —NR4R5; in which R4 and R5 independently are hydrogen or lower alkyl optionally substituted by hydroxy or amino; or acid addition salts or cationic salts thereof. The compounds inhibit CDK-2 activity and are useful for treating disorders characterized by undesirable cell proliferation.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: September 14, 2004
    Inventors: Robert T. Lum, Cheri Lynn Blum, Richard Mackman, Michael M. Wick, Steven R. Schow, Jeffery A. Zablocki, Prabbha Ibrahim
  • Patent number: 6781000
    Abstract: &agr;-ketoamide compounds useful for treating disorders mediated by 20S proteasome in mammals having the following formula: wherein X2 is Ar or Ar—X3 wherein X3 is is —C═O, or —CH2CO—, and wherein Ar is phenyl, substituted phenyl, indole, substituted indoles, and any other heteroaryls; R1, and R2 are each individually selected from the side chains of the known natural &agr;-amino acids and unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear, branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle substituted heterocycle, heteroaryl and substituted heteroaryl; X1 is selected from hydroxide, monoalkylamino, dialkylamino, alkoxide, arylkoxide and wherein X4 is hydroxide, arylamino, monoalkylamino, dialkylamino, alkoxide, or arylalkoxide; and R3 is selected from the known natural &agr;-amino acids, unnatural amino acids
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: August 24, 2004
    Assignee: CV Theurapeutics, Inc.
    Inventors: Lisa Wang, Robert T. Lum, Steven R. Schow, Alison Joly, Suresh Kerwar, Michael M Wick
  • Publication number: 20040138140
    Abstract: A method of combination cancer therapy in a mammal, especially a human, by administering a therapeutically effective amount of a GST-activated anticancer compound and a therapeutically effective amount of another anticancer therapy, that is, an anticancer therapy that is not a treatment with a GST-activated anticancer compound (including chemotherapy, molecular targeted therapy, biologic therapy, and radiotherapy, used as monotherapy or in combination). Pharmaceutical compositions, products, and kits for the method. The use of a GST-activated anticancer compound in the manufacture of a medicament for the method. A method of potentiating an anticancer therapy in a mammal, especially a human, comprising administering a therapeutically effective amount of a GST-activated anticancer compound to the mammal being treated with the anticancer therapy. The use of a GST-activated anticancer compound in the manufacture of a medicament for the method. The GST-activated anticancer compound is preferably a compound of U.S.
    Type: Application
    Filed: November 14, 2003
    Publication date: July 15, 2004
    Applicant: Telik, Inc.
    Inventors: Hua Xu, Gail L. Brown, Steven R. Schow, James G. Keck
  • Patent number: 6653321
    Abstract: Methods for treating conditions associated with hyperglycemia, especially Type II diabetes, with novel naphthylsulfonic acids and related compounds. These compounds, as single stereoisomers or mixtures of stereoisomers, or their pharmaceutically acceptable salts, are useful in methods of stimulating the kinase activity of the insulin receptor, enhancing the activation of the insulin receptor by insulin, and stimulating the uptake of glucose into cells. A variety of antidiabetic compounds and pharmaceutical compositions comprising the antidiabetic compounds are also disclosed.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: November 25, 2003
    Assignee: Telik, Inc.
    Inventors: Wayne R. Spevak, Songyuan Shi, Prasad V. V. S. V. Manchem, Michael R. Kozlowski, Steven R. Schow, Robert T. Lum, Louise Robinson, Jeong Weon Park
  • Patent number: 6600069
    Abstract: Compounds of Formula I, and pharmaceutical compositions containing these compounds, activate the insulin receptor kinase, which leads to an increased sensitivity to insulin and an increase in glucose uptake, and are therefore useful for the treatment of animals, especially humans, with hyperglycemia, especially for the treatment of type 2 diabetes. Processes for preparation of the compounds, and their use in assays, are also disclosed.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: July 29, 2003
    Assignee: Telik, Inc.
    Inventors: Louise Robinson, Prasad V. V. S. V. Manchem, Nicolas Cairns, Steven R. Schow
  • Publication number: 20030135063
    Abstract: Compounds of formula I are useful for treating conditions associated with hyperglycemia, especially Type II diabetes. These compounds are useful in stimulating the kinase activity of the insulin receptor, activating the insulin receptor, and stimulating the uptake of glucose. Pharmaceutical compositions comprising the antidiabetic compounds are also disclosed.
    Type: Application
    Filed: September 6, 2002
    Publication date: July 17, 2003
    Inventors: Wayne R. Spevak, Songyuan Shi, Prasad V.V.S.V. Manchem, Michael R. Kozlowski, Steven R. Schow, Robert T. Lum
  • Publication number: 20030100511
    Abstract: Pharmaceutical compositions and methods of using them. Lipid formulations of a glutathione analog and methods of manufacturing them. Their use to stimulate hematopoiesis, protect hematopoietic cells from damage caused by radiation or chemotherapy, or potentiate the stimulatory action of one or a combination of cytokines on colony formation by hematopoietic progenitor cells, protect a subject from a destructive effect of a chemotherapeutic agent or irradiation, or to potentiate the effect of a chemotherapeutic agent.
    Type: Application
    Filed: July 10, 2001
    Publication date: May 29, 2003
    Inventors: Lawrence M. Kauvar, Robert T. Lum, Matthew H. Lyttle, Robert W. Macsata, Steven R. Schow, Hugo O. Villar, Michael R. Kozlowski
  • Patent number: 6528037
    Abstract: A method for determining whether a compound is an insulin receptor kinase activator.
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: March 4, 2003
    Assignee: Telik, Inc.
    Inventors: Prasad V. V. S. V. Manchem, Robert T. Lum, Steven R. Schow
  • Patent number: 6506739
    Abstract: Bis-(N,N′-bis-(2-haloethyl)amino)phosphoramidates, pharmaceutical compositions containing them, methods of treatment using them, and processes for their preparation. The compounds possess anti-tumor activities or are capable of being modified to have anti-tumor activities; and this invention relates to the use of the compounds in methods for the treatment of tumors and, especially, for the treatment of cancer.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: January 14, 2003
    Assignee: Telik, Inc.
    Inventors: R. Jason Herr, Robert T. Lum, Steven R. Schow, Fanying Meng, Michael R. Kozlowski, Pavel Zhichkin
  • Publication number: 20020151542
    Abstract: A method for determining whether a compound is an insulin receptor kinase activator.
    Type: Application
    Filed: April 2, 2002
    Publication date: October 17, 2002
    Inventors: Prasad V.V.S.V. Manchem, Robert T. Lum, Steven R. Schow
  • Patent number: 6458998
    Abstract: Compounds of formula I are useful for treating conditions associated with hyperglycemia, especially Type II diabetes. These compounds are useful in stimulating the kinase activity of the insulin receptor, activating the insulin receptor, and stimulating the uptake of glucose. Pharmaceutical compositions comprising the antidiabetic compounds are also disclosed.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: October 1, 2002
    Assignee: Telik, Inc.
    Inventors: Wayne R. Spevak, Songyuan Shi, Prasad V. V. S. V. Manchem, Michael R. Kozlowski, Steven R. Schow, Robert T. Lum
  • Publication number: 20020103183
    Abstract: Compounds of Formula I, and pharmaceutical compositions containing these compounds, activate the insulin receptor kinase, which leads to an increased sensitivity to insulin and an increase in glucose uptake, and are therefore useful for the treatment of animals, especially humans, with hyperglycemia, especially for the treatment of type 2 diabetes. Processes for preparation of the compounds, and their use in assays, are also disclosed.
    Type: Application
    Filed: September 6, 2001
    Publication date: August 1, 2002
    Inventors: Louise Robinson, Prasad V.V.S.V. Manchem, Nicolas Cairns, Steven R. Schow