Patents by Inventor Stephen Randall

Stephen Randall 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: 20040014899
    Abstract: The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. The alkylated and crosslinked polymer salt comprises the reaction product of crosslinked polymers, or salts and copolymers thereof having amine containing repeat units, with at least one aliphatic alkylating agent.
    Type: Application
    Filed: October 3, 2002
    Publication date: January 22, 2004
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: W. Harry Mandeville, Stephen Randall Holmes-Farley
  • Publication number: 20030175236
    Abstract: The present invention relates to a method for treating obesity, a method for reducing the absorption of dietary fat, and a method for treating hypertriglyceridemia in a patient and to particular polymers for use in the methods or in a manufacture of a medicament. The methods comprise the step of orally administering to a mammal, such as a human, a therapeutically effective amount of one or more fat-binding polymers. The administration of the fat-binding polymer of the invention facilitates the removal of fat from the body prior to digestion, with minimal side effects and low toxicity. In a preferred embodiment, the one or more fat-binding polymers are administered in combination with one or more lipase inibitors, for example, lipstatin and tetrahydrolipstatin.
    Type: Application
    Filed: November 27, 2002
    Publication date: September 18, 2003
    Inventors: W. Harry Mandeville, George M. Whitesides, Stephen Randall Holmes-Farley
  • Patent number: 6610283
    Abstract: The present invention relates to a method for removing bile acids from a patient and certain polymers of use in the method. The method comprises the step of administering to the patient a therapeutically effective amount of a polymer composition which includes a a poly(diallylamine) polymer which is substituted with hydrophobic groups. The hydrophobic groups can be a substituted or unsubstituted, straight chain or branched C3-C24-alkyl group, an aralkyl group or an aryl group.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: August 26, 2003
    Assignee: Genzyme Corporation
    Inventors: Stephen Randall Holmes-Farley, Pradeep K. Dhal, John S. Petersen
  • Patent number: 6605270
    Abstract: Iron binding polymers are provided for decreasing the absorption of iron from the gastrointestinal tract. The polymers are orally administered, and are useful for treatment of iron overload disorders.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: August 12, 2003
    Assignee: Genzyme Corporation
    Inventors: W. Harry Mandeville, III, Stephen Randall Holmes-Farley
  • Publication number: 20030133902
    Abstract: Phosphate-binding polymers are provided for removing phosphate from the gastrointestinal tract. The polymers are orally administered, and are useful for the treatment of hyperphosphatemia.
    Type: Application
    Filed: December 17, 2002
    Publication date: July 17, 2003
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, W. Harry Mandeville, George M. Whitesides
  • Patent number: 6593366
    Abstract: A method for treating a microbial infection in a mammal, such as a human, comprising treating the mammal with a therapeutically effective amount of a polymer comprising an amino group or an ammonium group attached to the polymer backbone via an aliphatic spacer group. The polymer can be a homopolymer or a copolymer. In one embodiment, the polymer is a copolymer comprising a monomer having a pendant ammonium group and a hydrophobic monomer.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: July 15, 2003
    Assignee: GelTex Pharmaceuticals, Inc.
    Inventors: W. Harry Mandeville, III, Thomas X. Neenan, Stephen Randall Holmes-Farley
  • Patent number: 6566407
    Abstract: A method for reducing oxalate levels in a patient that includes administering to the patient a therapeutically effective amount of non-absorbable amine polymers such as a polymer characterized by a repeat unit having the formula: and salts and copolymers thereof, where n is a positive integer and x is zero or an integer between 1 and about 4.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: May 20, 2003
    Assignee: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, W. Harry Mandeville, III
  • Publication number: 20030086898
    Abstract: A method for removing bile salts from a patient that includes administering to the patient a therapeutically effective amount of a non-absorbable amine polymers characterized by a repeat unit having the formula: 1
    Type: Application
    Filed: May 29, 2002
    Publication date: May 8, 2003
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, W. Harry Mandeville, Steven K. Burke, Dennis I. Goldberg
  • Publication number: 20030064963
    Abstract: Disclosed is a phenyl boronic acid compound represented by Structural Formula (I): 1
    Type: Application
    Filed: June 27, 2002
    Publication date: April 3, 2003
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, W. Harry Mandeville, Pradeep K. Dhal, Chad Cori Huval, Xinhua Li
  • Publication number: 20030059399
    Abstract: Disclosed are polymers comprising one or more phenyl boronate ester, boronamide or boronate thioester groups.
    Type: Application
    Filed: June 27, 2002
    Publication date: March 27, 2003
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, W. Harry Mandeville, Pradeep K. Dhal, Chad Cori Huval, Xinhua Li, Steven Craig Polomoscanik
  • Publication number: 20030039627
    Abstract: A method for treating gout and/or reducing serum uric acid levels in a patient is disclosed that includes administering to the patient a therapeutically effective amount of an amine polymer, for example, an aliphatic amine polymer. In one embodiment, the polymer binds to uric acid or a precursor thereof. Examples of polymers useful in an embodiment of the invention include sevelamer hydrochloride and colesevelam.
    Type: Application
    Filed: April 17, 2002
    Publication date: February 27, 2003
    Applicant: GelTex Pharmaceutical, Inc.
    Inventors: Stephen Randall Holmes-Farley, Steven K. Burke
  • Publication number: 20030039626
    Abstract: The present invention provides fat-binding polymers, which comprise dialkanolamine, dialkanolammonium, aminoalkylpolyol, and ammoniumalkylpolyol pendant groups for subjects in need of fat removal from the gastrointestinal tract, particularly subjects suffering from steatorrhea and/or experiencing side effects from lipase inhibitors. Patients being administered with lipase inhibitors are typically being treated for Type II Diabetes, streatorrhea, and hypertriglyceridemia. The fat binding polymers of this invention are also suitable for use with obese subjects.
    Type: Application
    Filed: June 27, 2002
    Publication date: February 27, 2003
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventor: Stephen Randall Holmes-Farley
  • Patent number: 6517825
    Abstract: The present invention relates to a method for sequestering bile acids in a patient and to particular polymers for use in the method. The invention further relates to a method for reducing blood cholesterol, treating atherosclerosis, treating hypercholesterolemia and/or reducing plasma lipid content of a mammal. The methods of the invention comprise orally administering to the patient a therapeutically effective amount of a polymer characterized by a polyether backbone and amino or ammonium groups pendant therefrom. The amino nitrogen atoms can be substituted by one or more substituents independently selected from among substituted and unsubstituted, normal, branched and cyclic alkyl groups, and aryl groups. When the polymer comprises pendant ammonium or quaternary ammonium groups, the polymer will be associated with a pharmaceutically acceptable anion.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: February 11, 2003
    Assignee: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, Chad Cori Huval
  • Patent number: 6509013
    Abstract: Phosphate-binding polymers are provided for removing phosphate from the gastrointestinal tract. The polymers are orally administered, and are useful for the treatment of hyperphosphatemia.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: January 21, 2003
    Assignee: GelTex Pharmaceuticals, Inc.
    Inventors: Stephen Randall Holmes-Farley, W. Harry Mandeville, III, George M. Whitesides
  • Publication number: 20020187120
    Abstract: A method for treating gout and/or reducing serum uric acid levels in a patient is disclosed that includes administering to the patient a therapeutically effective amount of an amine polymer; for example, an aliphatic amine polymer. Examples of polymers useful in the invention are sevelamer hydrogen chloride and colesevelam.
    Type: Application
    Filed: April 17, 2002
    Publication date: December 12, 2002
    Applicant: GelTex Pharmaceutical, Inc.
    Inventors: Stephen Randall Holmes-Farley, Steven K. Burke
  • Publication number: 20020182168
    Abstract: A method for reducing copper levels in a patient and for treating copper toxicosis and Wilson's Disease is disclosed that includes administering to the patient a therapeutically effective amount of an amine polymer, wherein the amine polymer is substantially water-insoluble or non-absorbent in the gastrointestinal tract. In one embodiment, the amine polymer is aliphatic. Examples of polymers that are useful in an embodiment of the invention include sevelamer hydrogen chloride and colesevelam.
    Type: Application
    Filed: April 17, 2002
    Publication date: December 5, 2002
    Applicant: GelTex Pharmaceutical, Inc.
    Inventor: Stephen Randall Holmes-Farley
  • Publication number: 20020159968
    Abstract: Disclosed is a pharmaceutical composition comprising a stable polyallylamine hydrochloride polymer in which between about 4% to about 12% by weight of the polymer is a chloride anion and a pharmaceutically acceptable carrier or diluent.
    Type: Application
    Filed: April 17, 2002
    Publication date: October 31, 2002
    Applicant: GelTex pharmaceutical, Inc.
    Inventors: John S. Petersen, Steven K. Burke, Stephen Randall Holmes-Farley
  • Publication number: 20020155091
    Abstract: The invention relates to methods for treating hypercholesterolemia and atherosclerosis, and reducing serum cholesterol in a mammal. The methods of the invention comprise administering to a mammal a first amount of a bile acid sequestrant compound which is an unsubstituted polydiallylamine polymer and a second amount of a cholesterol-lowering agent. The first and second amounts together comprise a therapeutically effective amount.
    Type: Application
    Filed: December 19, 2001
    Publication date: October 24, 2002
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: Chad Cori Huval, Stephen Randall Holmes-Farley, John S. Petersen, Pradeep K. Dhal
  • Publication number: 20020114777
    Abstract: A method for treating a microbial infection in a mammal, such as a human, comprising treating the mammal with a therapeutically effective amount of a polymer comprising an amino group or an ammonium group attached to the polymer backbone via an aliphatic spacer group. The polymer can be a homopolymer or a copolymer. In one embodiment, the polymer is a copolymer comprising a monomer having a pendant ammonium group and a hydrophobic monomer.
    Type: Application
    Filed: February 21, 2002
    Publication date: August 22, 2002
    Applicant: GelTex Pharmaceuticals, Inc.
    Inventors: W. Harry Mandeville, Thomas X. Neenan, Stephen Randall Holmes-Farley
  • Patent number: 6433026
    Abstract: The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. The alkylated and crosslinked polymer salt comprises the reaction product of crosslinked polymers, or salts and copolymers thereof having amine containing repeat units, with at least one aliphatic alkylating agent.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: August 13, 2002
    Assignee: GelTex Pharmaceuticals, Inc.
    Inventors: W. Harry Mandeville, III, Stephen Randall Holmes-Farley