Patents by Inventor Jurg Pfister

Jurg Pfister 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: 10344012
    Abstract: Compounds represented by formulae I, II, III, and IV including pro-drugs for treprostinil and prostacyclin analogs. Uses include treatment of pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). The structures of the compounds can be adapted to the particular application for a suitable treatment dosage. Transdermal applications can be used.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: July 9, 2019
    Assignee: Corsair Pharma, Inc.
    Inventors: Cyrus K. Becker, Meenakshi S. Venkatraman, Xiaoming Zhang, Jürg Pfister
  • Publication number: 20180086730
    Abstract: Compounds represented by formulae I, II, III, and IV including pro-drugs for treprostinil and prostacyclin analogs. Uses include treatment of pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). The structures of the compounds can be adapted to the particular application for a suitable treatment dosage. Transdermal applications can be used.
    Type: Application
    Filed: August 25, 2017
    Publication date: March 29, 2018
    Inventors: Cyrus K. BECKER, Meenakshi S. VENKATRAMAN, Xiaoming ZHANG, Jürg Pfister
  • Patent number: 7265142
    Abstract: The subject invention provides useful and novel calcium channel blockers based upon mibefradil. The subject invention also provides methods for synthesizing the compounds of the invention. The invention also provides methods for the control or prevention of hypertension, angina pectoris, ischemia, arrhythmias, and cardiac insufficiency in a patient by administering a compound, or composition, of the invention to an individual in need of such treatment.
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: September 4, 2007
    Assignee: ARYx Therapeutics
    Inventors: Pascal Druzgala, Peter G. Milner, Jürg Pfister, Xiaoming Zhang
  • Publication number: 20070197580
    Abstract: The subject invention provides useful and novel 5-HT3 antagonists. The subject invention also provides methods for synthesizing the compounds of invention. The invention also provides methods for the treatment of irritable bowel syndrome and other such conditions.
    Type: Application
    Filed: October 20, 2006
    Publication date: August 23, 2007
    Inventors: Xiaoming Zhang, Jurg Pfister, Cyrus Becker, Pascal Druzgala
  • Publication number: 20070129429
    Abstract: This invention is drawn to compounds which are more easily metabolized by the metabolic drug detoxification systems. Particularly, warfarin analogs which have been designed to include esters within the structure of the compounds are taught. The invention teaches methods of reducing the toxicity of drugs comprising the introduction of ester groups into drugs during the synthesis of the drug. This invention is also drawn to methods of treating coagulation disorders comprising the administration of compounds which have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester containing warfarin, analogs are also taught.
    Type: Application
    Filed: October 20, 2006
    Publication date: June 7, 2007
    Inventors: Pascal Druzgala, Xiaoming Zhang, Jurg Pfister
  • Publication number: 20060116418
    Abstract: The subject invention provides novel HMG-CoA-reductase inhibitors. In a preferred embodiment, the HMG-CoA reductase inhibitors of the subject invention can be deactivated to a primary inactive metabolite by hydrolytic enzymes. Compounds of the present invention can be advantageously used to treat patients suffering hypercholesterolemia.
    Type: Application
    Filed: September 6, 2005
    Publication date: June 1, 2006
    Applicant: Aryx Therapeutics, Inc.
    Inventors: Pascal Druzgala, Xiaoming Zhang, Jurg Pfister
  • Publication number: 20060047000
    Abstract: The subject invention provides pharmaceutical compounds useful in the treatment of Type II diabetes. These compounds are advantageous because they are readily metabolized by the metabolic drug detoxification systems. Particularly, thiazolidinedione analogs that have been designed to include esters within the structure of the compounds are provided. This invention is also drawn to methods of treating disorders, such as diabetes, comprising the administration of therapeutically effective compositions comprising compounds that have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester-containing thiazolidinedione analogs are also taught.
    Type: Application
    Filed: June 27, 2005
    Publication date: March 2, 2006
    Applicant: Aryx Therapeutics, Inc.
    Inventors: Pascal Druzgala, Peter Milner, Jurg Pfister
  • Publication number: 20050107365
    Abstract: This invention relates to compounds which are generally alpha-1A/B adrenoceptor antagonists and which are represented by Formula I: wherein Z is —C(O)— or —S(O)2—, X is carbon or nitrogen, Y is carbon, and X-Y considered together are two adjoining atoms of the ring A, said ring being a fused aromatic ring of five to six atoms per ring optionally incorporating one to two heteroatoms per ring, chosen from N, O, or S; and the other substituents are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and methods of preparation thereof.
    Type: Application
    Filed: October 22, 2004
    Publication date: May 19, 2005
    Inventors: Cyrus Becker, Joan Caroon, Chris Melville, Fernando Padilla, Jurg Pfister, Xiaoming Zhang
  • Publication number: 20050075379
    Abstract: The subject invention provides pharmaceutical compounds useful in the treatment of Type II diabetes. These compounds are advantageous because they are readily metabolized by the metabolic drug detoxification systems. Particularly, thiazolidinedione analogs that have been designed to include esters within the structure of the compounds are provided. This invention is also drawn to methods of treating disorders, such as diabetes, comprising the administration of therapeutically effective compositions comprising compounds that have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester-containing thiazolidinedione analogs are also taught.
    Type: Application
    Filed: January 16, 2004
    Publication date: April 7, 2005
    Inventors: Pascal Druzgala, Peter Milner, Jurg Pfister
  • Patent number: 6864279
    Abstract: This invention is drawn to compounds which are more easily metabolized by the metabolic drug detoxification systems. Particularly, warfarin analogs which have been designed to include esters within the structure of the compounds are taught. The invention teaches methods of reducing the toxicity of drugs comprising the introduction of ester groups into drugs during the synthesis of the drug. This invention is also drawn to methods of treating coagulation disorders comprising the administration of compounds which have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester containing warfarin, analogs are also taught.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: March 8, 2005
    Assignee: Aryx Therapeutics
    Inventors: Pascal Druzgala, Xiaoming Zhang, Jürg Pfister
  • Publication number: 20050037997
    Abstract: The subject invention provides pharmaceutical compounds useful in the treatment of Type II diabetes. These compounds are advantageous because they are readily metabolized by the metabolic drug detoxification systems. Particularly, thiazolidinedione analogs that have been designed to include esters within the structure of the compounds are provided. This invention is also drawn to methods of treating disorders, such as diabetes, comprising the administration of therapeutically effective compositions comprising compounds that have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester-containing thiazolidinedione analogs are also taught.
    Type: Application
    Filed: September 20, 2002
    Publication date: February 17, 2005
    Inventors: Pascal Druzgala, Peter Milner, Jurg Pfister
  • Publication number: 20040034237
    Abstract: The subject invention provides useful and novel calcium channel blockers based upon mibefradil. The subject invention also provides methods for synthesizing the compounds of the invention. The invention also provides methods for the control or prevention of hypertension, angina pectoris, ischemia, arrhythmias, and cardiac insufficiency in a patient by administering a compound, or composition, of the invention to an individual in need of such treatment.
    Type: Application
    Filed: August 18, 2003
    Publication date: February 19, 2004
    Inventors: Pascal Druzgala, Peter G. Milner, Jurg Pfister, Xiaoming Zhang
  • Publication number: 20030216387
    Abstract: The subject invention provides novel compounds and compositions for the safe and effective treatment of gastroesophageal reflux and related conditions. In a preferred embodiment, the compositions of the subject invention comprise esterified cisapride derivatives. These compositions possess potent activity in treating gastroesophageal reflux disease and substantially reduce adverse effects associated with the administration of cisapride. These adverse effects include, but are not limited to, diarrhea, abdominal cramping and elevations of blood pressure and heart rate.
    Type: Application
    Filed: April 18, 2003
    Publication date: November 20, 2003
    Inventors: Pascal Druzgala, Peter G. Milner, Jurg Pfister, Cyrus Becker
  • Publication number: 20030199573
    Abstract: This invention is drawn to compounds which are more easily metabolized by the metabolic drug detoxification systems. Particularly, warfarin analogs which have been designed to include esters within the structure of the compounds are taught. The invention teaches methods of reducing the toxicity of drugs comprising the introduction of ester groups into drugs during the synthesis of the drug. This invention is also drawn to methods of treating coagulation disorders comprising the administration of compounds which have been designed to be metabolized by serum or intracellular hydrolases and esterases. Pharmaceutical compositions of the ester containing warfarin, analogs are also taught.
    Type: Application
    Filed: April 24, 2002
    Publication date: October 23, 2003
    Inventors: Pascal Druzgala, Xiaoming Zhang, Jurg Pfister
  • Patent number: 6608097
    Abstract: The subject invention provides useful and novel calcium channel blockers based upon mibefradil. The subject invention also provides methods for synthesizing the compounds of the invention. The invention also provides methods for the control or prevention of hypertension, angina pectoris, ischemia, arrhythmias, and cardiac insufficiency in a patient by administering a compound, or composition, of the invention to an individual in need of such treatment.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: August 19, 2003
    Assignee: ARYx Therapeutics
    Inventors: Pascal Druzgala, Peter G. Milner, Jürg Pfister, Xiaoming Zhang
  • Publication number: 20030130330
    Abstract: The subject invention provides useful and novel calcium channel blockers based upon mibefradil. The subject invention also provides methods for synthesizing the compounds of the invention. The invention also provides methods for the control or prevention of hypertension, angina pectoris, ischemia, arrhythmias, and cardiac insufficiency in a patient by administering a compound, or composition, of the invention to an individual in need of such treatment.
    Type: Application
    Filed: October 10, 2002
    Publication date: July 10, 2003
    Inventors: Pascal Druzgala, Peter G. Milner, Jurg Pfister, Xiaoming Zhang
  • Patent number: 6552046
    Abstract: The subject invention provides novel compounds and compositions for the safe and effective treatment of gastroesophageal reflux and related conditions. In a preferred embodiment, the compositions of the subject invention comprise esterified cisapride derivatives. These compositions possess potent activity in treating gastroesophageal reflux disease and substantially reduce adverse effects associated with the administration of cisapride. These adverse effects include, but are not limited to, diarrhea, abdominal cramping and elevations of blood pressure and heart rate.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: April 22, 2003
    Assignee: Aryx Therapeutics
    Inventors: Pascal Druzgala, Peter G. Milner, Jürg Pfister, Cyrus Becker
  • Publication number: 20020025970
    Abstract: The subject invention provides novel compounds and compositions for the safe and effective treatment of gastroesophageal reflux and related conditions. In a preferred embodiment, the compositions of the subject invention comprise esterified cisapride derivatives. These compositions possess potent activity in treating gastroesophageal reflux disease and substantially reduce adverse effects associated with the administration of cisapride. These adverse effects include, but are not limited to, diarrhea, abdominal cramping and elevations of blood pressure and heart rate.
    Type: Application
    Filed: June 7, 2001
    Publication date: February 28, 2002
    Inventors: Pascal Druzgala, Peter G. Milner, Jurg Pfister, Cyrus Becker
  • Patent number: 5082847
    Abstract: Carbostyril derivatives of Formula I: ##STR1## wherein: m is 0, 1, or 2;n is 0, 1, or 2;R.sup.1 is hydrogen or lower alkyl;R.sup.2 is hydrogen, halogen, hydroxy, lower alkyl, lower alkoxy, aralkoxy, or acyloxy;R.sup.3 is hydrogen, halogen, lower alkyl, or lower alkoxy;R.sup.4 is hydrogen, hydroxy, lower alkyl, acyloxy, provided that when R.sup.4 is hydroxy or acyloxy, m and n are both 1;R.sup.5 is hydrogen or lower alkyl; andR.sup.6 is alkyl, hydroxyalkyl, alkoxyalkyl, or (dialkylamino)alkyl;and the pharmaceutically acceptable acid addition salts and N-oxides (at the carbostyril nitrogen) thereof, and compositions containing them, are useful in treating cardiovascular diseases, particularly arrhythmias. Methods of preparing intermediates, the compounds, their formulations and methods of treatment therewith are also disclosed.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: January 21, 1992
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jean-Claude Pascal, Leslie Patmore, Jurg Pfister, Dominique Blondet, John M. Armstrong
  • Patent number: RE42412
    Abstract: The subject invention provides novel compounds and compositions for the safe and effective treatment of gastroesophageal reflux and related conditions. In a preferred embodiment, the compositions of the subject invention comprise esterified cisapride derivatives. These compositions possess potent activity in treating gastroesophageal reflux disease and substantially reduce adverse effects associated with the administration of cisapride. These adverse effects include, but are not limited to, diarrhea, abdominal cramping and elevations of blood pressure and heart rate.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: May 31, 2011
    Assignee: ARYx Therapeutics, Inc.
    Inventors: Pascal Druzgala, Peter G. Milner, Jurg Pfister, Cyrus Becker