Patents Assigned to Gliatech, Inc.
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Publication number: 20030165907Abstract: Nucleic acids and proteins derived from sequences of the human glycine transporter type 2 are described.Type: ApplicationFiled: July 9, 2002Publication date: September 4, 2003Applicant: Gliatech, Inc.Inventors: Michael J. Gallagher, Loyd H. Burgess, Kurt R. Brunden
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Publication number: 20030069205Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: ApplicationFiled: May 6, 2002Publication date: April 10, 2003Applicant: Gliatech Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C.A. Frederickson, George T. Coker
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Publication number: 20030069295Abstract: A method for the use of histamine H3 receptor inverse agonists in the regulation of appetite and treatment of obesity is disclosed. Presently preferred inverse agonists are imidazole derivatives.Type: ApplicationFiled: August 15, 2001Publication date: April 10, 2003Applicant: Gliatech, Inc.Inventors: Stephen L. Yates, Clark E. Tedford, Kurt R. Brunden
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Patent number: 6448282Abstract: The present invention provides, in its principal aspect, compounds of the general formula: where A is —NHCO—, —N(CH3)—CO—, —NHCH2—, —N(CH3)—CH2—, —COCH2—, —CH2CH2—, or —CH(OH)CH2—, X is H, CH3, NH2, NH(CH3), N(CH3)2, OCH3, or SH; R2 is hydrogen or a methyl or ethyl group; R3 is hydrogen or a methyl or ehtyl group; n is 0, 1, 2, 3, 4, 5 or 6; R1 is selected from the group consisting of (a) alkyl; (b) C3 to C8 cycloalkyl; (c) phenyl or substituted phenyl; (d) heterocyclic; (e) decahydronaphthalene and (f) octahydroindane; or R1 and X may be taken together to denote a 5,6 or 6,6 saturated bicycle ring structure. The compounds of the present invention have H3 histamine receptor antagonist activity. This invention also provides pharmaceutical compositions comprising a pharmaceutically acceptable carrier in combination with an effective amount of a compound of formula 1.0.Type: GrantFiled: August 2, 2000Date of Patent: September 10, 2002Assignee: Gliatech, Inc.Inventors: James G. Phillips, Clark E. Tedford, Nishith C. Chaturvedi, Syed M. Ali
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Patent number: 6416975Abstract: Nucleic acids and proteins derived from sequences of the human glycine transporter type 2 are described.Type: GrantFiled: November 12, 1998Date of Patent: July 9, 2002Assignee: Gliatech, Inc.Inventors: Michael J. Gallagher, Loyd H. Burgess, Kurt R. Brunden
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Patent number: 6417173Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: December 30, 1999Date of Patent: July 9, 2002Assignee: Gliatech, Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson, George T. Coker, III
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Publication number: 20020082283Abstract: A method for the inhibition of high affinity glycine transporters, compounds that inhibit these transporters; pharmaceutically active compositions comprising such compounds; and the use of such compounds either as above, or in formulations for the control or prevention of disease states in which glycine is involved are disclosed.Type: ApplicationFiled: September 13, 2001Publication date: June 27, 2002Applicant: Gliatech, Inc.Inventors: Syed M. Ali, Kurt R. Brunden, Jack B. Jiang
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Patent number: 6333034Abstract: A process of inhibiting activation of complement via the alternative pathway, including inhibiting the formation of complement activation products via the alternative pathway, is provided.Type: GrantFiled: August 24, 1998Date of Patent: December 25, 2001Assignee: Gliatech, Inc.Inventors: Rekha Gupta-Bansal, Kurt R. Brunden, James B. Parent
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Patent number: 6166060Abstract: The present invention provides, in its principal aspect, compounds of the general formula: ##STR1## when A is --NHCO--, --N(CH.sub.3)--CO--, --NHCH.sub.2 --, --N(CH.sub.3)--CH.sub.2 --, --CH.dbd.CH--, --COCH.sub.2 --, CH.sub.2 CH.sub.2 --, --CH(OH)CH.sub.2 -- or --C.tbd.C--;X can be H, CH.sub.3, NH.sub.2, NH(CH.sub.3),N(CH.sub.3).sub.2, OH, OCH.sub.3, SH,R.sub.2 is hydrogen or a methyl or ethyl group;R.sub.3 is hydrogen or a methyl or ethyl group;n is 0, 1, 2, 3, 4, 5 or 6;R.sub.1 is selected from the group consisting of (a) alkyl; (b) C.sub.3 to C.sub.8 cycloalkyl; (c) phenyl or substituted phenyl; (d) heteroocyclic; and (f) decahydronaphthalene or octahydroindane; andWhen R.sub.1 and X taken together denote a 5, 6 or 6, 6 saturated bicyclic ring structure, X can be NH, O, S, SO.sub.2,When X is constrained in a 5, 6 or 6, 6, saturated bicyclic ring structure, then for example, when X.dbd.NH, R.sub.1 and X taken together mean an octahydroindole ring structure directly attached to A.Type: GrantFiled: October 10, 1997Date of Patent: December 26, 2000Assignee: Gliatech, Inc.Inventors: James G. Phillips, Clark E. Tedford, Nishith C. Chaturvedi, Syed M. Ali
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Patent number: 6127348Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: September 1, 1999Date of Patent: October 3, 2000Assignee: Gliatech, Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson, George T. Coker, III
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Patent number: 6083930Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: June 6, 1995Date of Patent: July 4, 2000Assignee: Gliatech Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson
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Patent number: 6072057Abstract: The present invention is directed to 1H-4(5)-substituted imidazole derivates of formula (I), wherein A is (a); (b); or (c) ##STR1## wherein R.sub.1 is lower alkyl or lower alkoxy;R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7 and R.sub.8 are each independently hydrogen or lower alkyl;R.sub.6 is hydrogen, lower alkyl or lower alkoxy and R.sub.5 and R.sub.6 can be joined to form a 4, 5 or 6 membered ring.The compounds of formula (I) have H.sub.3 histamine receptor agonist activity. The pharmaceutically acceptable salts, and individual stereoisomers of compounds of formula (I) above, as well as mixtures thereof, are also contemplated as falling within the scope of the present invention. The present invention also provides pharmaceutical compositions comprising a pharmaceutically acceptable carrier in combination with an effective amount of a compound of formula (1). The present invention also provides a method of treating conditions in which activation of histamine H.sub.Type: GrantFiled: February 11, 1998Date of Patent: June 6, 2000Assignee: Gliatech Inc.Inventors: James G. Phillips, Amin Mohammed Khan, Clark E. Tedford
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Patent number: 6020326Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: June 6, 1995Date of Patent: February 1, 2000Assignee: Gliatech Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C.A. Frederickson, George T. Coker, III
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Patent number: 6008240Abstract: The present invention provides compounds having H.sub.3 histamine receptor antagonist activity of the general formula: ##STR1## R.sub.2 is a hydrogen or a methyl or ethyl group; R.sub.3 is a hydrogen or a methyl or ethyl group;n is 1, 2, 2, 3, 4, 5, or 6; andR.sub.1 is selected from the group consisting of (a) C.sub.3 to C.sub.8 cycloalkyl; (b) phenyl or substituted phenyl; (c) alkyl; (d) heterocyclic; (e) decahydronapthalene; and (f) octahydroindene;with the provisos thatwhen X is H, A can be --CH.sub.2 CH.sub.2 --,--COCH.sub.2 --,--CONH--,--CON(CH.sub.3), CH.dbd.CH, --c.ident.c--,--CH.sub.2 --NH--, --CH.sub.2 --N(CH.sub.3)--,--CH(OH)CH.sub.2 --,--NH--CH.sub.2 --, --N(CH.sub.3)--CH.sub.2 --,--CH.sub.2 O--,--CH.sub.2 S--, and --NHCOO--;when X is NH.sub.2, NH(CH.sub.3), N(CH.sub.3).sub.2, OH, OCH.sub.3, CH.sub.3, SH, and SCH.sub.3 ; A can be --NHCO--, --N(CH.sub.3)--CO--, --NHCH.sub.2 --, --N(CH.sub.3)--CH.sub.2 --, --CH.dbd.CH--; --COCH.sub.2, --CH.sub.2 CH.sub.2 --,--CH(OH)CH.sub.2, or --C.ident.Type: GrantFiled: December 15, 1997Date of Patent: December 28, 1999Assignee: Gliatech, Inc.Inventors: James G. Phillips, Clark E. Tedford, Amin Mohammed Khan, Stephen L. Yates, Syed M. Ali
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Patent number: 5994325Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: June 6, 1995Date of Patent: November 30, 1999Assignee: Gliatech Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson, George T. Coker, III
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Patent number: 5990317Abstract: The present invention provides compounds having H.sub.3 histamine receptor antagonist activity of formula (1.0) wherein R.sub.2 is a hydrogen or a methyl or ethyl group; R.sub.3 is a hydrogen or a methyl or ethyl group; n is 0, 1, 2, 3, 4, 5, or 6; and R.sub.1 is selected from the group consisting of (a) C.sub.3 to C.sub.8 cycloalkyl; (b) phenyl or substituted pneyly; (c) alkyl; (d) heterocyclic; (e) decahydronaphthalene; and (f) octahydroindene; with the proviso that when X is H, A can be --CH.sub.2 CH.sub.2, --COCH.sub.2 --CON(CH.sub.3)--, --CH.dbd.CH--, .alpha., --CH.sub.2 --NH--, --CH.sub.3 --N(CH.sub.3)--, --CH(OH)CH.sub.2 --, --NH--CH.sub.2 --, --N(CH.sub.3)--CH.sub.2 --, --CH.sub.2 O--, --CH.sub.2 S--, and --NHCOO--; when X is NH.sub.2, HN(CH.sub.3), N(CH.sub.3).sub.2, OH, OCH.sub.3, CH.sub.3, SH and SCH.sub.3 ; A can be --NHCO--, --N(CH.sub.3)--CO--, --NHCH.sub.2 --, --N(CH.sub.3)--CH.sub.2 --, --CH.dbd.XH--, --COCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH( )H)CH.sub.2 --, or .beta.; and when R.sub.Type: GrantFiled: February 6, 1998Date of Patent: November 23, 1999Assignee: Gliatech, Inc.Inventors: James G. Phillips, Clark E. Tedford, Amin Mohammed Khan
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Patent number: 5705178Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used. In a more preferred embodiment, the average molecular weight is about 40,000 to 500,000 Daltons. The present invention further provides compositions and methods to inhibit glial cell invasion, detrimental bone growth and neurite outgrowth. In a preferred embodiment, the inhibitory compositions further comprise an adhesive protein.Type: GrantFiled: December 8, 1993Date of Patent: January 6, 1998Assignee: Gliatech, Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson, George T. Coker, III
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Patent number: 5705177Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that the effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: July 26, 1994Date of Patent: January 6, 1998Assignee: Gliatech Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson, George T. Coker, III
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Patent number: 5652258Abstract: The present invention provides compounds having H.sub.3 histamine receptor antagonist activity of the general formula: ##STR1## where X is H, A is --CH.sub.2 CH.sub.2 --, --COCH.sub.2 --, --CONH--, --CON(CH.sub.3)--, --CH.dbd.CH--, --C.tbd.C--, --CH.sub.2 --NH--, --CH.sub.2 --NCH.sub.3 --, --CH(OH)CH.sub.2 --, --NH--CH.sub.2 --, --N(CH.sub.3) --CH.sub.2 --, --NHSO.sub.2 --, --CH.sub.2 O--, --CH.sub.2 S--, CH.sub.2 SO.sub.2 --, or --CH.sub.2 S(O)--;R.sub.2 is a hydrogen or a methyl or ethyl group;R.sub.3 is a hydrogen or a methyl or ethyl group;n is 0, 1, 2, 3, 4, 5, or 6; andR.sub.1 is selected from the group consisting of (a) C.sub.3 to C.sub.8 cycloalkyl; (b) H; (c) phenyl or substituted phenyl; (d) alkyl; (e) heterocyclic; and (f) bicyclic alkyl; andwhenX is NH.sub.2, NHCH.sub.3, N(CH.sub.3).sub.2, OH, OCH.sub.3, NHR.sub.4, OR.sub.4, SH, SR.sub.4, or SO.sub.2 R.sub.4 ; A is --NHCO--, --N(CH.sub.3)--CO--, --NHCH.sub.2 --, --N(CH.sub.3)--CH.sub.2 --, --NHSO.sub.2 --, --CH.dbd.CH--, --CH.dbd.CHF--, --COCH.Type: GrantFiled: May 30, 1995Date of Patent: July 29, 1997Assignee: Gliatech, Inc.Inventors: James G. Phillips, Clark E. Tedford, Amin Mohammed Khan, Stephen L. Yates
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Patent number: 5605938Abstract: The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of cells associated with detrimental healing processes, and in particular, that he effectiveness of an anionic polymer at inhibiting cell invasion correlates with the anionic charge density of the polymer. Thus the present invention provides a large number of materials for use in methods of inhibiting fibrosis and fibroblast invasion. Anionic polymers for use in the invention include but are not limited to natural proteoglycans, and the glycosaminoglycan moieties of proteoglycans. Additionally, anionic carbohydrates and other anionic polymers may be used. The anionic polymers dextran sulfate and pentosan polysulfate are preferred. In a more preferred embodiment, dextran sulfate, in which the sulfur content is greater than about 10% by weight, may be used.Type: GrantFiled: May 31, 1991Date of Patent: February 25, 1997Assignee: Gliatech, Inc.Inventors: Dikla Roufa, Adrian Harel, Robert C. A. Frederickson, George T. Coker, III