Patents Assigned to Nobex Corporation
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Publication number: 20090281023Abstract: A mixture of conjugates in which each conjugate in the mixture comprises a calcitonin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may lower serum calcium levels in a subject by 10, 15 or even 20 percent or more. Moreover, the mixture may be more effective at surviving an in vitro model of intestinal digestion than non-conjugated calcitonin. Furthermore, the mixture may exhibit a higher bioavailability than non-conjugated calcitonin. The compositions of this invention are useful in the treatment of various bone disorders and pain.Type: ApplicationFiled: May 27, 2004Publication date: November 12, 2009Applicant: NOBEX CORPORATIONInventors: Gordana Kosutic, Nnochiri Ekwuribe, Christopher H. Price, Aslam Andsari, Amy Odenbaugh
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Publication number: 20070213262Abstract: A mixture of conjugates in which each conjugate in the mixture comprises a calcitonin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may lower serum calcium levels in a subject by 10, 15 or even 20 percent or more. Moreover, the mixture may be more effective at surviving an in vitro model of intestinal digestion than non-conjugated calcitonin. Furthermore, the mixture may exhibit a higher bioavailability than non-conjugated calcitonin. The compositions of this invention are useful in the treatment of various bone disorders and pain.Type: ApplicationFiled: May 27, 2004Publication date: September 13, 2007Applicant: NOBEX CORPORATIONInventors: Gordana Kosutic, Nnochiri Ekwuribe, Christopher H. Price, Christopher Price, Aslam Andsari, Amy Odenbaugh
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Patent number: 7151095Abstract: Compounds are disclosed having the structure of Formula I: where R1, R3, and R4 are independently hydrogen or C1 to C4 alkyl, and R2 is: where R5 is selected from the group consisting of hydrogen and C1 to C4 alkyl, or where R6, R7 and R8 are independently hydrogen or C1 to C4 alkyl; or the esters or pharmacologically acceptable salts thereof. Such compounds may be utilized for the prophylaxis or treatment of various diseases, particularly inflammatory conditions of the GI tract. Methods of treating inflammatory conditions of the GI tract such as inflammatory bowel disease using compounds having the following formula are also disclosed: where R9, R10 and R11 are independently selected from the group consisting of hydrogen and C1 to C4 alkyl, and R12 is selected from the group consisting of hydrogen and —C(O)R13, where R13 is a C1 to C6 alkyl or an aryl group.Type: GrantFiled: October 18, 2004Date of Patent: December 19, 2006Assignee: Nobex CorporationInventors: Nnochiri Nkem Ekwuribe, Jennifer A. Riggs-Sauthier
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Patent number: 7119074Abstract: The present invention provides amphiphilic prodrugs comprising a therapeutic compound conjugated to an PEG-oligomer/polymer and methods for using said prodrugs to enable oral drug delivery and/or delivery of drugs across the blood brain barrier into the central nervous system.Type: GrantFiled: March 24, 2004Date of Patent: October 10, 2006Assignee: Nobex CorporationInventors: Nnochiri Ekwuribe, Christopher H. Price, Tatyana A. Dyakonov
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Patent number: 7119162Abstract: Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include: reacting a substantially monodispersed mixture of compounds having the structure of Formula I: R1(OC2H4)n—O?X+ ??(I) wherein R1 is H or a lipophilic moiety; n is from 1 to 25; and X+ is a positive ion, with a substantially monodispersed mixture of compounds having the structure of Formula II: R2(OC2H4)m—OMs ??(II) wherein R2 is H or a lipophilic moiety; and m is from 1 to 25, under conditions sufficient to provide a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties and having the structure of Formula III: R2(OC2H4)m+n—OR1 . ??(III) Substantially monodispersed mixtures of polymers comprising polyethylene glycol moieties are also disclosed.Type: GrantFiled: October 29, 2004Date of Patent: October 10, 2006Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, Aslam M. Ansari, Amy L. Odenbaugh
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Patent number: 7084114Abstract: A mixture of conjugates in which each conjugate in the mixture comprises an insulin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may exhibit higher in vivo activity than a polydispersed mixture of similar conjugates. The mixture may also be more effective at surviving an in vitro model of intestinal digestion than polydispersed mixtures of similar conjugates. The mixture may also result in less inter-subject variability than polydispersed mixtures of similar conjugates.Type: GrantFiled: April 29, 2004Date of Patent: August 1, 2006Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, Aslam M. Ansari, Balasingam Radhakrishnan, Amy L. Odenbaugh
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Patent number: 7084121Abstract: A mixture of conjugates in which each conjugate in the mixture comprises a calcitonin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may lower serum calcium levels in a subject by 10, 15 or even 20 percent or more. Moreover, the mixture may be more effective at surviving an in vitro model of intestinal digestion than non-conjugated calcitonin. Furthermore, the mixture may exhibit a higher bioavailability than non-conjugated calcitonin.Type: GrantFiled: March 23, 2004Date of Patent: August 1, 2006Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, Aslam M. Ansari, Amy L. Odenbaugh
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Patent number: 7060675Abstract: Methods of treating diabetes mellitus in a patient in need of such treatment include administering an effective amount of an insulin drug to the patient in order to treat diabetes mellitus in the patient. Methods according to the present invention may “activate” the liver, potentially restoring normal glucose homeostasis to individuals suffering from diabetes mellitus.Type: GrantFiled: February 13, 2002Date of Patent: June 13, 2006Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, James Gordon Still, Jennifer Ann Filbey
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Patent number: 7030082Abstract: Pharmaceutical compositions that include a drug and/or drug-oligomer conjugate, a fatty acid component and a bile salt component, or a bile salt component without a fatty acid component are described. The drug can be covalently coupled to an oligomeric moiety. The fatty acid component and the bile salt component, when together, can be present in a weight-to-weight ratio of between 1:15 and 15:1 or any value between. Methods of treating diseases in a subject in need of such treatment using the pharmaceutical compositions of this invention are also provided, as well as methods of providing such pharmaceutical compositions.Type: GrantFiled: March 5, 2003Date of Patent: April 18, 2006Assignee: Nobex CorporationInventors: Richard Soltero, Nnochiri N. Ekwuribe, Foyeke Opawale, Bruce Rehlaender, Anthony Hickey, Li Li Bovet
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Patent number: 7030084Abstract: The present invention relates generally to hydrolyzable drug-oligomer conjugates, pharmaceutical compositions comprising such conjugates, and to methods for making and using such conjugates and pharmaceutical compositions. For example, a conjugate of insulin, PEG, and oleic acid can be orally administered.Type: GrantFiled: February 10, 2004Date of Patent: April 18, 2006Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Muthukumar Ramaswamy, Jayanthi Rajagopalan
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Patent number: 7022869Abstract: Methods of synthesizing pure enantiomers of acylanalides such as Casodex® (bicalutamide) and its derivatives utilizing a compound having a ring structure that, when opened, provides a substituent having the structure of Formula I: wherein R1 is alkyl or haloalkyl having up to 4 carbons; R2 is alkyl having up to 6 carbon atoms; and R3 is CH2OR4 where R4 is hydrogen or benzyl, C(O)CH3, or C(O)OR5 where R5 is hydrogen or alkyl; are disclosed.Type: GrantFiled: May 23, 2003Date of Patent: April 4, 2006Assignee: Nobex CorporationInventor: Nnochiri Nkem Ekwuribe
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Patent number: 6956051Abstract: The present invention relates to amphiphilic drug-oligomer conjugates capable of traversing the blood-brain barrier (“BBB”) and to methods of making and using such conjugates. An amphiphilic drug-oligomer conjugates comprise a therapeutic compound conjugated to an oligomer, wherein the oligomer comprises a lipophilic moiety coupled to a hydrophilic moiety. The conjugates of the invention further comprise therapeutic agents such as proteins, peptides, nucleosides, nucleotides, antiviral agents, antineoplastic agents, antibiotics, etc., and prodrugs, precursors, derivatives and intermediates thereof, chemically coupled to amphiphilic oligomers.Type: GrantFiled: October 29, 1999Date of Patent: October 18, 2005Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Balasingam Rhadakrishnan, Christopher H. Price, Wes Anderson Jr., Aslam M. Ansari
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Patent number: 6943148Abstract: The present invention relates to amphiphilic drug-oligomer conjugates capable of traversing the blood-brain barrier (“BBB”) and to methods of making and using such conjugates. An amphiphilic drug-oligomer conjugates comprise a therapeutic compound conjugated to an oligomer, wherein the oligomer comprises a lipophilic moiety coupled to a hydrophilic moiety. The conjugates of the invention further comprise therapeutic agents such as proteins, peptides, nucleosides, nucleotides, antiviral agents, antineoplastic agents, antibiotics, etc., and prodrugs, precursors, derivatives and intermediates thereof, chemically coupled to amphiphilic oligomers.Type: GrantFiled: October 29, 1999Date of Patent: September 13, 2005Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Balasingam Rhadakrishnan, Christopher H. Price, Wes Anderson Jr., Adam M. Ansari
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Patent number: 6930090Abstract: The present invention relates to amphiphilic drug-oligomer conjugates capable of traversing the blood-brain barrier (“BBB”) and to methods of making and using such conjugates. An amphiphilic drug-oligomer conjugate comprises a therapeutic compound conjugated to an oligomer, wherein the oligomer comprises a lipophilic moiety coupled to a hydrophilic moiety. The conjugates of the invention further comprise therapeutic agents such as proteins, peptides, nucleosides, nucleotides, antiviral agents, antineoplastic agents, antibiotics, etc., and prodrugs, precursors, derivatives and intermediates thereof, chemically coupled to amphiphilic oligomers.Type: GrantFiled: November 19, 2003Date of Patent: August 16, 2005Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Balasingam Radhakrishnan, Christopher H. Price, Wes Anderson, Jr., Aslam M. Ansari
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Patent number: 6913903Abstract: Methods for synthesizing proinsulin polypeptides are described that include a contacting a proinsulin polypeptide including an insulin polypeptide coupled to one or more peptides by peptide bond(s) capable of being cleaved to yield the insulin polypeptide with an oligomer under conditions sufficient to couple the oligomer to the insulin polypeptide portion of the proinsulin polypeptide and provide a proinsulin polypeptide-oligomer conjugate, and cleaving the one or more peptides from the proinsulin polypeptide-oligomer conjugate to provide the insulin polypeptide-oligomer conjugate. Methods of synthesizing proinsulin polypeptide-oligomer conjugates are also described as are proinsulin polypeptide-oligomer conjugates. Methods of synthesizing C-peptide polypeptide-oligomer conjugates are also described.Type: GrantFiled: December 21, 2001Date of Patent: July 5, 2005Assignee: Nobex CorporationInventors: Richard Soltero, Balasingam Radhakrishnan, Nnochiri N. Ekwuribe
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Patent number: 6903082Abstract: Compounds are disclosed having the structure of Formula I: where R1, R3, and R4 are independently hydrogen or C1 to C4 alkyl, and R2 is: where R5 is selected from the group consisting of hydrogen and C1 to C4 alkyl, or where R6, R7 and R8 are independently hydrogen or C1 to C4 alkyl; or the esters or pharmacologically acceptable salts thereof. Such compounds may be utilized for the prophylaxis or treatment of various diseases, particularly inflammatory conditions of the GI tract. Methods of treating inflammatory conditions of the GI tract such as inflammatory bowel disease using compounds having the following formula are also disclosed: where R9, R10 and R11 are independently selected from the group consisting of hydrogen and C1 to C4 alkyl, and R12 is selected from the group consisting of hydrogen and —C(O)R13, where R13 is a C1 to C6 alkyl or an aryl group.Type: GrantFiled: May 23, 2003Date of Patent: June 7, 2005Assignee: Nobex CorporationInventors: Nnochiri Nkem Ekwuribe, Jennifer A. Riggs-Sauthier
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Patent number: 6867183Abstract: Pharmaceutical compositions that include an insulin drug-oligomer conjugate, a fatty acid component, and a bile salt component are described. The insulin drug is covalently coupled to an oligomeric moiety. The fatty acid component and the bile salt component are present in a weight-to-weight ratio of between 1:5 and 5:1. Methods of treating an insulin deficiency in a subject in need of such treatment using such pharmaceutical compositions are also provided, as are methods of providing such pharmaceutical compositions.Type: GrantFiled: September 5, 2002Date of Patent: March 15, 2005Assignee: Nobex CorporationInventors: Richard Soltero, Balasingam Radhakrishan, Nnochiri N. Ekwuribe, Bruce Rehlaender, Anthony Hickey, Li Li Bovet
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Patent number: 6858580Abstract: A non-polydispersed mixture of conjugates in which each conjugate in the mixture comprises a drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may exhibit higher in vivo activity than a polydispersed mixture of similar conjugates. The mixture may be more effective at surviving an in vitro model of intestinal digestion than polydispersed mixtures of similar conjugates. The mixture may result in less inter-subject variability than polydispersed mixtures of similar conjugates.Type: GrantFiled: June 4, 2001Date of Patent: February 22, 2005Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, Aslam M. Ansari, Amy L. Odenbaugh
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Patent number: 6835802Abstract: Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include: reacting a substantially monodispersed mixture of compounds having the structure of Formula I: R1(OC2H4)n—O−X+ (I) wherein R1 is H or a lipophilic moiety; n is from 1 to 25; and X+ is a positive ion, with a substantially monodispersed mixture of compounds having the structure of Formula II: R2(OC2H4)m—OMs (II) wherein R2 is H or a lipophilic moiety; and m is from 1 to 25, under conditions sufficient to provide a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties and having the structure of Formula III: R2(OC2H4)m+n—OR1 (III).Type: GrantFiled: June 4, 2001Date of Patent: December 28, 2004Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, Aslam M. Ansari, Amy L. Odenbaugh
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Patent number: 6828297Abstract: A mixture of conjugates in which each conjugate in the mixture comprises an insulin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may exhibit higher in vivo activity than a polydispersed mixture of similar conjugates. The mixture may also be more effective at surviving an in vitro model of intestinal digestion than polydispersed mixtures of similar conjugates. The mixture may also result in less inter-subject variability than polydispersed mixtures of similar conjugates.Type: GrantFiled: June 4, 2001Date of Patent: December 7, 2004Assignee: Nobex CorporationInventors: Nnochiri N. Ekwuribe, Christopher H. Price, Aslam M. Ansari, Balasingam Radhakrishnan, Amy L. Odenbaugh