Patents by Inventor Nigel Alan Swain
Nigel Alan Swain 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).
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Patent number: 8592629Abstract: This invention relates to sulfonamide derivative of formula (I), to their use in medicine, to compositions containing them, to processes for their preparation, and to intermediates used in such processes. These compounds are inhibitors of Nav1.7.Type: GrantFiled: July 11, 2011Date of Patent: November 26, 2013Assignee: Pfizer LimitedInventors: Andrew Simon Bell, Alan Daniel Brown, Marcel John De Groot, Russell Andrew Lewthwaite, Ian Roger Marsh, David Simon Millan, Manuel Perez Pacheco, David James Rawson, Nunzio Sciammetta, Robert Ian Storer, Nigel Alan Swain, Steven Matthieu Gaulier
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Patent number: 8541588Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.Type: GrantFiled: February 20, 2012Date of Patent: September 24, 2013Assignees: Pfizer Limited, Icagen, Inc.Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
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Publication number: 20130116285Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula 10 (I):(I) or a pharmaceutically acceptable salt thereof, wherein Z, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 6, 2011Publication date: May 9, 2013Applicant: Pfizer LimitedInventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Manuel Perez-Pacheco, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130109667Abstract: The invention relates to new sulfonamide Nav1.7 inhibitors and pharmaceutically acceptable salts thereof, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: June 28, 2011Publication date: May 2, 2013Applicants: Pfizer Limited, Icagen ,Inc.Inventors: Christopher John Markworth, Brian Edward Marron, David James Rawson, Robert Ian Storer, Nigel Alan Swain, Christopher William West, Shulan Zhou
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Publication number: 20130109701Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfon-amide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein X, Ar1, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 4, 2011Publication date: May 2, 2013Applicant: Pfizer LimitedInventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130109708Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to 5 compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I):10 X NH O S O O R1 R2 R5 R4 R3 Het1 (I) or a pharmaceutically acceptable salt thereof, wherein X, Het1, R1, R2, R3, R4 and R5 are as defined in the description. 15 Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 4, 2011Publication date: May 2, 2013Applicant: Pfizer LimitedInventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130109696Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to new sulfonamide Nav1.7 inhibitors of formula (I) or pharmaceutically acceptable salts thereof, wherein X, Y1, Y2, Z, R1, R2 and R3 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 1, 2011Publication date: May 2, 2013Applicant: Pfizer LimitedInventors: Benjamin Scott Greener, Brian Edward Marron, David Simon Millan, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130072471Abstract: Compounds, compositions and methods are provided which are useful in the treatment of diseases through the inhibition of sodium ion flux through voltage-gated sodium channels. More particularly, the invention provides substituted aryl sulfonamides, compositions comprising these compounds, as well as methods of using these compounds or compositions in the treatment of central or peripheral nervous system disorders, particularly pain and chronic pain by blocking sodium channels associated with the onset or recurrence of the indicated conditions. The compounds, compositions and methods of the present invention are of particular use for treating neuropathic or inflammatory pain by the inhibition of ion flux through a voltage-gated sodium channel.Type: ApplicationFiled: November 15, 2012Publication date: March 21, 2013Inventors: Brian Edward Marron, Paul Christopher Fritch, Christopher John Markworth, Andrew Thomas Maynard, Nigel Alan Swain
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Patent number: 8357711Abstract: The invention is directed to compounds of the formula in which R5, R6 B and Z are defined supra.Type: GrantFiled: March 20, 2008Date of Patent: January 22, 2013Assignees: Pfizer Limited, Icagen, Inc.Inventors: Brian Edward Marron, Paul Christopher Fritch, Christopher John Markworth, Andrew Thomas Maynard, Nigel Alan Swain
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Publication number: 20120149679Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.Type: ApplicationFiled: February 20, 2012Publication date: June 14, 2012Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
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Patent number: 8153814Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.Type: GrantFiled: January 12, 2010Date of Patent: April 10, 2012Assignees: Pfizer Limited, Icagen, Inc.Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
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Publication number: 20120010207Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein Ar1, X, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 11, 2011Publication date: January 12, 2012Applicant: PFIZER LIMITEDInventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Ian Roger Marsh, David Simon Millan, Manuel Perez Pacheco, David James Rawson, Nunzio Sciammetta, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Marcel John De Groot
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Publication number: 20120010183Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein Het1, X, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 11, 2011Publication date: January 12, 2012Applicant: PFIZER LIMITEDInventors: Andrew Simon Bell, Alan Daniel Brown, Marcel John De Groot, Russell Andrew Lewthwaite, Ian Roger Marsh, David Simon Millan, Manuel Perez Pacheco, David James Rawson, Nunzio Sciammetta, Robert Ian Storer, Nigel Alan Swain, Steven Matthieu Gaulier
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Publication number: 20120010182Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to new sulfonamide Nav1.7 inhibitors of formula (I): or pharmaceutically acceptable salts thereof, wherein Z1, Ra, Rb, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: July 8, 2011Publication date: January 12, 2012Applicants: ICAGEN INC., PFIZER LIMITEDInventors: Alan Daniel Brown, Marcel John De Groot, Brian Edward Marron, David James Rawson, Thomas Ryckmans, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West
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Publication number: 20100216823Abstract: The invention provides compounds of formula (I): wherein m, n, X, R1, A, B, R2 and R3 have the meanings given in the specification, and pharmaceutically acceptable salts, solvates, polymorphs and prodrugs thereof. The compounds are PDE7 inhibitors and have a number of therapeutic applications, particularly in the treatment of pain, especially neuropathic pain.Type: ApplicationFiled: May 16, 2008Publication date: August 26, 2010Inventors: David James Rawson, Nigel Alan Swain, Lesa Watson
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Publication number: 20100197655Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.Type: ApplicationFiled: January 12, 2010Publication date: August 5, 2010Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
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Publication number: 20090143358Abstract: Compounds, compositions and methods are provided which are useful in the treatment of diseases through the inhibition of sodium ion flux through voltage-gated sodium channels. More particularly, the invention provides substituted aryl sulfonamides, compositions comprising these compounds, as well as methods of using these compounds or compositions in the treatment of central or peripheral nervous system disorders, particularly pain and chronic pain by blocking sodium channels associated with the onset or recurrence of the indicated conditions. The compounds, compositions and methods of the present invention are of particular use for treating neuropathic or inflammatory pain by the inhibition of ion flux through a voltage-gated sodium channel.Type: ApplicationFiled: March 20, 2008Publication date: June 4, 2009Applicants: ICAgen, Inc., Pfizer LimitedInventors: Brian Edward Marron, Paul Christopher Fritch, Christopher John Markworth, Andrew Thomas Maynard, Nigel Alan Swain
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Publication number: 20080176919Abstract: This invention relates to benzonitrile derivatives of formula (I) or pharmaceutically acceptable salts, solvates or derivative thereof, wherein R1 to R3 are defined in the description, to their use in medicine, and to compositions containing them. The compounds of the present invention bind to the enzyme reverse transcriptase and are modulators, especially inhibitors thereof.Type: ApplicationFiled: December 23, 2005Publication date: July 24, 2008Inventors: Lyn Howard Jones, Sandra Dora Newman, Nigel Alan Swain
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Publication number: 20080132549Abstract: This invention relates to isophthalonitrile derivatives of formula (I) or pharmaceutically acceptable salts, solvates or derivative thereof, wherein R1 to R3 are defined in the description, and to processes for the preparation thereof, intermediates used in their preparation of, compositions containing them and the uses of such derivatives. The compounds of the present invention bind to the enzyme reverse transcriptase and are modulators, especially inhibitors thereof.Type: ApplicationFiled: April 11, 2005Publication date: June 5, 2008Applicant: Pfizer Inc.Inventors: Lyn Howard Jones, Shahid Mohammed, Sandra Newman, Charles Eric Mowbray, Matthew Ducan Selby, Paul Anthony Stupple, Nigel Alan Swain