Patents Assigned to Neurochem (International) Limited
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Publication number: 20080317834Abstract: The invention provides methods of inhibiting cerebral amyloid angiopathy. The invention further provides methods of treating a disease state characterized by cerebral amyloid angiopathy in a subject.Type: ApplicationFiled: November 10, 2003Publication date: December 25, 2008Applicant: Neurochem (International) LimitedInventors: Allan M. Green, Francine Gervais
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Publication number: 20080227767Abstract: Methods and compositions which are useful in the treatment of amyloidosis. In particular, methods and compositions are provided for inhibiting, preventing and treating amyloid deposition, e.g., in pancreatic islets, wherein the amyloidotic deposits are islet amyloid polypeptide (IAPP)-associated amyloid deposition or deposits. The methods of the invention involve administering to a subject a therapeutic compound which inhibits IAPP-associated amyloid deposits. Accordingly, the compositions and methods of the invention are useful for inhibiting IAPP-associated amyloidosis in disorders in which such amyloid deposition occurs, such as diabetes.Type: ApplicationFiled: May 22, 2008Publication date: September 18, 2008Applicant: Neurochem (International) LimitedInventors: Walter A. Szarek, Donald F. Weaver, Xianqi Kong, Ajay Gupta, David Migneault
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Patent number: 7414076Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-related disease.Type: GrantFiled: June 18, 2004Date of Patent: August 19, 2008Assignee: Neurochem (INTERNATIONAL) LimitedInventors: Xianqi Kong, David Migneault, Isabelle Valade, Xinfu Wu, Francine Gervais
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Patent number: 7393875Abstract: Methods and compositions which are useful in the treatment of amyloidosis. In particular, methods and compositions are provided for inhibiting, preventing and treating amyloid deposition, e.g., in pancreatic islets, wherein the amyloidotic deposits are islet amyloid polypeptide (IAPP)-associated amyloid deposition or deposits. The methods of the invention involve administering to a subject a therapeutic compound which inhibits IAPP-associated amyloid deposits. Accordingly, the compositions and methods of the invention are useful for inhibiting IAPP-associated amyloidosis in disorders in which such amyloid deposition occurs, such as diabetes.Type: GrantFiled: May 2, 2003Date of Patent: July 1, 2008Assignee: Neurochem (International) LimitedInventors: Walter A. Szarek, Donald F. Weaver, Xianqi Kong, Ajay Gupta, David Migneault
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Publication number: 20080027097Abstract: The present invention is directed to methods of preparation of sulfonate derivatized compounds, e.g., 3-amino-1-propanesulfonic acid and 1,3-propanedisulfonic acid disodium salt with increased purity, with reduced potential for toxic by-products, and that are pharmaceutically useful, e.g., for the treatment of amyloidosis.Type: ApplicationFiled: July 11, 2007Publication date: January 31, 2008Applicant: Neurochem (International) LimitedInventors: Xianqi Kong, David Migneault, Xinfu Wu
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Publication number: 20080015180Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-+related disease.Type: ApplicationFiled: May 30, 2007Publication date: January 17, 2008Applicant: Neurochem (International) LimitedInventors: Xianqi Kong, Walter Szarek, Francine Gervais
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Publication number: 20080004244Abstract: Therapeutic compounds and methods for modulating amyloid deposition in a subject, whatever its clinical setting, are described. Amyloid deposition is modulated by the administration to a subject of an effective amount of a therapeutic compound comprising a phosphonate group and a carboxylate group, a congener thereof, or a pharmaceutically acceptable salt or ester thereof. In preferred embodiments, an interaction between an amyloidogenic protein and a basement membrane constituent is modulated.Type: ApplicationFiled: August 2, 2007Publication date: January 3, 2008Applicant: Neurochem (International) LimitedInventors: Walter Szarek, Xianqi Kong, Gregory Thatcher, Boris Gorine
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Patent number: 7311893Abstract: Amyloid-targeting imaging agents such as radiolabeled amyloid targeting molecules and amyloid targeting molecule-chelator conjugates for imaging, e.g., amyloid plaques in vivo, and/or for the treatment of amyloidosis disorders. The invention provides amyloid-targeting imaging agents that are useful for imaging sites of amyloid disease. Imaging agents of the invention are capable of binding specifically to amyloid plaques, as an aid in diagnosis and/or early treatment of amyloidosis disorders.Type: GrantFiled: December 3, 2003Date of Patent: December 25, 2007Assignee: Neurochem (International) LimitedInventors: Francine Gervais, Xianqi Kong, Robert Chalifour, David Migneault
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Publication number: 20070265334Abstract: Therapeutic compounds and methods for inhibiting amyloid deposition in a subject, whatever its clinical setting, are described. Amyloid deposition is inhibited by the administration to a subject of an effective amount of a therapeutic compound comprising an anionic group and a carrier molecule, or a pharmaceutically acceptable salt thereof, such that an interaction between an amyloidogenic protein and a basement membrane constituent is inhibited. Preferred anionic groups are sulfonates and sulfates. Preferred carrier molecules include carbohydrates, polymers, peptides, peptide derivatives, aliphatic groups, alicyclic groups, heterocyclic groups, aromatic groups and combinations thereof.Type: ApplicationFiled: February 16, 2007Publication date: November 15, 2007Applicant: Neurochem (International) LimitedInventors: Robert Kisilevsky, Walter Szarek, Donald Weaver
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Patent number: 7288523Abstract: The invention relates to compounds of formula (I) or (II), which are of interest especially for inhibition of polymerization of amyloid ? peptide, as model substances for synthesis of amyloid ? peptide-ligands, as tools for the identification of other organic compounds with similar functional properties and/or as ligands for detection of amyloid deposits using e.g., positron emission tomography (PET).Type: GrantFiled: November 26, 2003Date of Patent: October 30, 2007Assignee: Neurochem (International) LimitedInventors: Christer Nordstedt, Jan Näslund, Johan Thyberg, Lars O. Tjernberg, Lars Terenius
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Patent number: 7262223Abstract: The present invention relates to the use of amidine compounds in the treatment of amyloid-related diseases. In particular, the invention relates to a method of treating or preventing an amyloid-related disease in a subject comprising administering to the subject a therapeutic amount of an amidine compound.Type: GrantFiled: January 23, 2004Date of Patent: August 28, 2007Assignee: Neurochem (International) LimitedInventors: Xianqi Kong, Xinfu Wu, David Migneault
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Patent number: 7253306Abstract: The present invention is directed to methods of preparation of sulfonate derivatized compounds, e.g., 3-amino-1-propanesulfonic acid and 1,3-propanedisulfonic acid disodium salt with increased purity, with reduced potential for toxic by-products, and that are pharmaceutically useful, e.g., for the treatment of amyloidosis.Type: GrantFiled: June 18, 2004Date of Patent: August 7, 2007Assignee: Neurochem (International) LimitedInventors: Xianqi Kong, David Migneault, Xinfu Wu
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Patent number: 7244764Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-+related disease.Type: GrantFiled: June 18, 2004Date of Patent: July 17, 2007Assignee: Neurochem (International) LimitedInventors: Xianqi Kong, Walter A. Szarek, Francine Gervais
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Publication number: 20070135337Abstract: The present invention relates to a stereochemically based “non-self” antigen vaccine for the prevention and/or treatment of Alzheimer's and other amyloid related diseases. The present invention provides a vaccine for the prevention and treatment of Alzheimer's and other amyloid related diseases, which overcomes the drawbacks associated with using naturally occurring peptides, proteins or immunogens.Type: ApplicationFiled: April 16, 2004Publication date: June 14, 2007Applicant: Neurochem (International) LimitedInventors: Robert Chalifour, Lise Hebert, Xianqi Kong, Francine Gervais
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Publication number: 20070078082Abstract: Therapeutic compounds and methods for inhibiting a glycosaminoglycan (GAG)-associated molecular interaction in a subject, whatever its clinical setting, are describedType: ApplicationFiled: September 19, 2006Publication date: April 5, 2007Applicants: Neurochem (International) Limited, Queen's University at KingstonInventors: Robert Kisilevsky, Allan Green, Francine Gervais
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Publication number: 20070049638Abstract: Polymorphic forms of 3-amino-1-propanesulfonic acid are described.Type: ApplicationFiled: July 14, 2006Publication date: March 1, 2007Applicant: Neurochem (International) LimitedInventor: France Guay
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Publication number: 20070015737Abstract: Methods and compositions which are useful in the treatment of amyloidosis. In particular, methods and compositions are provided for inhibiting, preventing and treating amyloid depositions, e.g. in pancreatic islets, wherein the amyloidotic deposits are islet amyloid polypeptide (IAPP)-associated amyloid deposition or deposits. The methods of the invention involved administering to a subject a therapeutic compound which inhibits IAPP-associated amyloid deposits. Accordingly, the compositions and method of the invention are useful for inhibiting IAPP-associated amyloidosis in disorders in which such amyloid deposition occurs, such an diabetes. The invention also provides a process for the preparation of cells suitable for transplantation into a mammal, which cells are capable of forming fibrils, said process comprising contacting the cells with an inhibitor of fibril formation. In particular the process prepares cells for use in a method of treating diabetes.Type: ApplicationFiled: November 2, 2005Publication date: January 18, 2007Applicants: Neurochem (International) Limited, Isis Innovation Limited, Queen's University at Kingston, The University of British ColumbiaInventors: Anne Clark, Paul Fraser, Bruce Verchere, Ajay Gupta, David Migneault, Walter Szarek
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Publication number: 20060223855Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-related disease.Type: ApplicationFiled: December 21, 2005Publication date: October 5, 2006Applicant: Neurochem (International) LimitedInventors: Xianqi Kong, Xinfu Wu, Abderrahim Bouzide, Isabelle Valade, David Migneault, Francine Gervais, Daniel Delorme, Benoit Bachand, Mohamed Atfani, Sophie Levesque, Bita Samim
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Publication number: 20060199771Abstract: The present invention relates to antifibrillogenic agents for inhibiting amyloidosis and/or for cytoprotection for the treatment of amyloidosis disorders. These agents include peptides, isomers thereof and peptidomimetic compounds thereof. These agents comprise a peptide having a sequence identified from the glycosaminoglycan (GAG) binding region and the prot-prot interaction region of the amyloid protein. The peptide has at least one [D] amino acid isomer substitution. The invention also relates to the peptide bound to a label for in vivo imaging of amyloid deposits.Type: ApplicationFiled: May 16, 2006Publication date: September 7, 2006Applicant: Neurochem (International) LimitedInventors: Robert Chalifour, Francine Gervais, Ajay Gupta
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Patent number: 7060670Abstract: The present invention relates to antifibrillogenic agents for inhibiting amyloidosis and/or for cytoprotection for the treatment amyloidosis disorders. These agents include peptides, isomers thereof and peptidomimetic compounds thereof. These agents comprise peptide having a sequence identified from the glycosaminoglycan (GAG) binding region and the prot—prot interaction region of the amylo protein. The peptide has at least one [D] amino acid isomer substitution. The invention also relates to the peptide bound to a label for vivo imaging of amyloid deposits.Type: GrantFiled: May 4, 2000Date of Patent: June 13, 2006Assignee: Neurochem (International) LimitedInventors: Robert Chalifour, Francine Gervais, Ajay Gupta