Nitrogen And Carbonyl Or Cyano Bonded Directly To The Tetracyclo Ring System (e.g., Tetracycline, Etc.) Patents (Class 552/203)
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Patent number: 10774067Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.Type: GrantFiled: May 29, 2019Date of Patent: September 15, 2020Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Koji Shiraki, Tadanobu Nakayama, Tomoaki Ota
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Patent number: 10463681Abstract: The present invention provides a novel therapeutic combination comprising one or more anti-androgen agents and one or more antibiotic/anti-inflammatory agents or pharmaceutically acceptable salts or hydrates thereof, useful for the treatment of a dermatological disorder.Type: GrantFiled: February 2, 2018Date of Patent: November 5, 2019Assignee: M. ALPHABET 1, L.L.C.Inventors: Howard Fein, Mindy B. Berlin
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Patent number: 10351515Abstract: The present invention concerns new forms of crystalline minocycline base. In particular, two new crystalline polymorphic forms, designated Form IV and Form V of minocycline base are provided. These are characterized by XRD, FTIR and TGA. Processes for preparing the new polymorphic forms and their use in pharmaceutical compositions are also provided. Form IV and form V are prepared by dissolving and/or suspending minocycline base in an organic solvent followed by crystallization.Type: GrantFiled: February 12, 2016Date of Patent: July 16, 2019Assignee: Hovione Scientia LimitedInventors: Zita Mendes, Constanca Cacela, Gloria Ten Figas, Ana Fernandez Casares
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Patent number: 10072007Abstract: The present invention is directed to a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.Type: GrantFiled: March 24, 2016Date of Patent: September 11, 2018Assignee: Tetraphase Pharmaceuticals, Inc.Inventors: Chi-Li Chen, Roger B. Clark, Yonghong Deng, Minsheng He, Louis Plamondon, Cuixiang Sun, Xiao-Yi Xiao, Magnus P. Ronn
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Patent number: 9603970Abstract: A biodegradable material with shape retention ability may be prepared using a process that includes (a) dissolving a polymer that in a first solvent to obtain a first solution; (b) dissolving a poly-N-vinyl lactam (e.g., polyvinyl pyrrolidone (PVP)) in a second solvent to obtain a second solution; (c) mixing the first solution with the second solution to obtain a liquid mixture; and (d) preparing the biodegradable material using the liquid mixture in an electrospinning process. The polymer may include a copolymer of lactide and caprolactone, where the lactide preferably includes L-lactide. The first solution may be an aprotic solvent, preferably ethyl acetate.Type: GrantFiled: July 13, 2015Date of Patent: March 28, 2017Inventor: Bronislava G. Belenkaya
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Patent number: 9315451Abstract: The present invention is directed to a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.Type: GrantFiled: May 7, 2010Date of Patent: April 19, 2016Assignee: TETRAPHASE PHARMACEUTICALS, INC.Inventors: Chi-Li Chen, Roger B. Clark, Yonghong Deng, Minsheng He, Louis Plamondon, Cuixiang Sun, Xiao-Yi Xiao, Magnus Rönn
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Patent number: 9255068Abstract: A crystalline mono hydrochloride salt of (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12a-tetrahydroxy-7-[(methoxy(methyl)amino)-methyl]-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide is disclosed having improved stability. In addition, a crystalline mono mesylate salt and crystalline mono sulfate salt of (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12a-tetrahydroxy-7-[(methoxy(methyl)amino)-methyl]-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide are also disclosed having improved stability. A pharmaceutical composition containing the crystalline salts and methods of treating inflammatory skin disorders and bacterial infections comprising administering the crystalline salts are also disclosed.Type: GrantFiled: May 14, 2012Date of Patent: February 9, 2016Assignees: Warner Chilcott Company, LLC, Paratek Pharmaceuticals, Inc.Inventors: Catherine Coulter, Sean M. Johnston, Farzaneh Seyedi
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Patent number: 9241997Abstract: The invention relates to the use of saccharide, such as lactose for the preparation of a medicament for the treatment and/or prophylaxis of one or more symptoms caused by bacterial vaginosis, wherein the medicament comprises at least 20 percent by weight of saccharide, and wherein the medicament is substantially free from bacteria. Furthermore, the invention relates to a method for treating one or more symptoms associated with bacterial vaginosis, as well as a pharmaceutical composition comprising the saccharide.Type: GrantFiled: June 11, 2004Date of Patent: January 26, 2016Assignee: IDH Holding ApSInventor: Inge Dorthe Hansen
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Patent number: 9073829Abstract: The tetracycline class of antibiotics has played a major role in the treatment of infectious diseases for the past 50 years. However, the increased use of the tetracyclines in human and veterinary medicine has led to resistance among many organisms previously thought susceptible to tetracycline antibiotics. The recent development of a modular synthesis of tetracycline analogs through a chiral enone intermediate has allowed for the efficient synthesis of novel tetracycline analogs never prepared before. The present invention provides more efficient routes for preparing the enone intermediate and allows for substituents at positions 4a, 5, 5a, and 12a of the tetracycline ring system.Type: GrantFiled: April 30, 2010Date of Patent: July 7, 2015Assignee: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, David A. Kummer, Derun Li, Evan Hecker, Amelie Dion, Peter M. Wright
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Patent number: 9012433Abstract: The present invention pertains to tetracycline compounds of formula (VIIa): R5*, R5*?, R7r*, and R9m* are defined herein. These tetracycline compounds can be used to treat tetracycline compound-responsive states, such as multiple sclerosis and rheumatoid arthritis.Type: GrantFiled: November 27, 2012Date of Patent: April 21, 2015Assignee: Paratek Pharmaceuticals, Inc.Inventors: Paul Abato, Todd Bowser
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Patent number: 8992896Abstract: A topical therapeutic hydrophobic breakable composition includes a carrier comprising (a) about 60% to about 99% by weight of at least one hydrophobic oil; (b) at least one viscosity-modifying agents selected from the group consisting of a fatty alcohol, a fatty acid and a wax; and (c) a tetracycline antibiotic, characterized in that at least part of the tetracycline antibiotic is suspended in the composition; the viscosity of the composition is at least about 30% higher than the viscosity of the carrier without the tetracycline antibiotic; and is higher than the viscosity of the hydrophobic oil and the tetracycline antibiotic without the viscosity modifying agents. The tetracycline is chemically stable in the composition for at least six months; wherein more than about 90% of the tetracycline has not broken down. The composition is packaged as a breakable foam that breaks easily upon application of shear force.Type: GrantFiled: August 27, 2014Date of Patent: March 31, 2015Assignee: Foamix Pharmaceuticals Ltd.Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
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Publication number: 20150050713Abstract: Microspheres are produced by contacting a solution of a macromolecule or small molecule in a solvent with an antisolvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals, nutraceuticals, cosmetic products and the like of defined dimensions.Type: ApplicationFiled: July 25, 2014Publication date: February 19, 2015Inventors: Michael P. Malakhov, Fang Fang
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Patent number: 8946196Abstract: Methods for the synthesis and purification of 9-amino alkyl tetracycline compounds are described.Type: GrantFiled: September 30, 2013Date of Patent: February 3, 2015Assignee: Paratek Pharmaceuticals, Inc.Inventors: Sean M. Johnston, Tadeusz Warchol
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Patent number: 8906887Abstract: The present invention is directed to a compound represented by Structural Formula (A): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula (A) are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula (A) and its therapeutic use.Type: GrantFiled: August 7, 2009Date of Patent: December 9, 2014Assignee: Tetraphase Pharmaceuticals, Inc.Inventors: Jingye Zhou, Xiao-Yi Xiao, Louis Plamondon, Diana Katharine Hunt, Roger B. Clark, Robert B. Zahler
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Patent number: 8871184Abstract: A topical therapeutic hydrophobic breakable composition includes a carrier comprising (a) about 60% to about 99% by weight of at least one hydrophobic oil; (b) at least one viscosity-modifying agents selected from the group consisting of a fatty alcohol, a fatty acid and a wax; and (c) a tetracycline antibiotic, characterized in that at least part of the tetracycline antibiotic is suspended in the composition; the viscosity of the composition is at least about 30% higher than the viscosity of the carrier without the tetracycline antibiotic; and is higher than the viscosity of the hydrophobic oil and the tetracycline antibiotic without the viscosity modifying agents; and the amount of viscosity modifying agents can optionally be reduced by at least an amount by weight that would have increased the viscosity of the carrier without the tetracycline antibiotic by at least 30%; wherein the tetracycline is chemically stable in the composition for at least six months; wherein more than about 90% of the tetracyclineType: GrantFiled: October 1, 2010Date of Patent: October 28, 2014Assignee: Foamix Ltd.Inventors: Dov Tamarkin, Elana Gazal, Yohan Hazot, David Schuz, Rita Keynan, Nukri Papiashvili
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Patent number: 8865139Abstract: A topical therapeutic hydrophobic breakable composition includes a carrier comprising (a) about 60% to about 99% by weight of at least one hydrophobic oil; (b) at least one viscosity-modifying agents selected from the group consisting of a fatty alcohol, a fatty acid and a wax; and (c) a tetracycline antibiotic, characterized in that at least part of the tetracycline antibiotic is suspended in the composition; the viscosity of the composition is at least about 30% higher than the viscosity of the carrier without the tetracycline antibiotic; and is higher than the viscosity of the hydrophobic oil and the tetracycline antibiotic without the viscosity modifying agents. The tetracycline is chemically stable in the composition for at least six months; wherein more than about 90% of the tetracycline has not broken down. The composition is packaged as a breakable foam that breaks easily upon application of shear force.Type: GrantFiled: July 9, 2014Date of Patent: October 21, 2014Assignee: Foamix Pharmaceuticals Ltd.Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
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Publication number: 20140274905Abstract: The present invention generally relates to methods of modulating Cav1.2 channels and Cav1.2 channel activators.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Duke UniversityInventors: Geoffrey S. Pitt, Adam S. Barnett, Xinhe Yin
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Publication number: 20140274971Abstract: Methods, devices and systems are disclosed for chemically bonding antibiotics to selected substrate materials which are not dissolved in normal physiological processes so that high local concentrations can be achieved during the inflammatory response. The antibiotics will remain permanently bonded to the substrate material until an infection occurs which releases the antibiotic in high concentrations to help control the infection. The high local concentrations may be much higher than systemic toxic levels, and can never reach toxic levels because the local dose is much less than needed to reach systemic toxicity if completely dissolved.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: Osteoceramics, Inc.Inventor: Thomas D. McGee
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Publication number: 20140179637Abstract: A compound having an antiviral activity for inhibiting release of an enveloped virus from a cell is disclosed, including methods of inhibiting release of an enveloped virus from a cell. The antiviral activity of the compound includes inhibiting formation of an associative complex or disrupting formation of an associative complex. The associative complex comprises an L-domain motif of the enveloped virus and at least one cellular polypeptide, or fragment thereof, capable of binding the L-domain motif of the enveloped virus.Type: ApplicationFiled: December 21, 2013Publication date: June 26, 2014Applicants: The Research Foundation for The State University of New York, Northwestern UniversityInventors: Jonathan Leis, Carol Carter
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Publication number: 20130338116Abstract: The present invention relates generally to pharmaceutical agents, and in particular, to metalloprotease inhibitor compounds. More particularly, the present invention provides a new class of dual acting MMP-2 and MMP-9 inhibiting compounds that exhibit increased potency, metabolic stability and/or reduced toxicity in relation to currently known MMP-2 and MMP-9 inhibitors for the treatment of pain and other diseases. Additionally, the present invention relates to methods for treating pain, addiction and/or withdrawal symptoms in a patient comprising administering to the patient a pain-reducing effective amount of a present compound.Type: ApplicationFiled: August 16, 2013Publication date: December 19, 2013Inventor: Irving Sucholeiki
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Publication number: 20130338118Abstract: A combination of: a first tetracycline (TC) component; and a second component capable of releasing nitric oxide (NO) or a nitrate capable of mimicking NO effects in vivo (NO mimetic). The combinations of the invention advantageously act as more effective MMP modulators with selective reductions in circulating MMP-9 levels in-vivo and inhibitory effects on MMP-2 and MMP-9 levels in-vitro. The combinations of the invention also advantageously act as modulators of inflammation mediators. The co-existence of abnormalities of MMP enzymes and inflammation in many diseases make these characteristics advantageous. Therefore, the various combinations of the invention find utility in medical applications where MMPs and/or inflammation is implicated.Type: ApplicationFiled: December 8, 2011Publication date: December 19, 2013Applicant: SOLVOTRIN INNOVATIONS LIMITEDInventors: John Gilmer, Mark Ledwidge, Ken McDonald, Pat O'Flynn
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Patent number: 8598148Abstract: The tetracycline class of antibiotics has played a major role in the treatment of infectious diseases for the past 50 years. However, the increased use of the tetracyclines in human and veterinary medicine has led to resistance among many organisms previously susceptible to tetracycline antibiotics. The modular synthesis of tetracyclines and tetracycline analogs described provides an efficient and enantioselective route to a variety of tetracycline analogs and polycyclines previously inaccessible via earlier tetracycline syntheses and semi-synthetic methods. These analogs may be used as anti-microbial agents or anti-proliferative agents in the treatment of diseases of humans or other animals.Type: GrantFiled: May 12, 2010Date of Patent: December 3, 2013Assignee: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Mark G. Charest, Christian D. Lerner, Jason D. Brubaker, Dionicio R. Siegel
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Publication number: 20130296279Abstract: The invention in one embodiment is directed to a compound of formula (I) or a pharmaceutically acceptable salt thereof. The invention is also directed to a composition comprising the compound of formula I or a pharmaceutically acceptable salt, and methods of treating the indications listed herein.Type: ApplicationFiled: May 10, 2013Publication date: November 7, 2013Inventor: Adam Morgan
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Publication number: 20130217886Abstract: The tetracycline class of antibiotics has played a major role in the treatment of infectious diseases for the past 50 years. However, the increased use of the tetracyclines in human and veterinary medicine has led to resistance among many organisms previously susceptible to tetracycline antibiotics. The recent development of a modular synthesis of tetracycline analogs through a chiral enone intermediate has allowed for the efficient synthesis of novel tetracycline analogs never prepared before. The present invention provides a more efficient route for preparing the enone intermediate.Type: ApplicationFiled: September 14, 2012Publication date: August 22, 2013Applicant: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Jason D. Brubaker
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Publication number: 20130196953Abstract: The invention relates to tetracycline products produced by genetically engineered cells, and to therapeutic methods using such tetracyclines. The present invention is based on the cloning and heterologous expression of genes encoding the chelocardin biosynthetic pathway.Type: ApplicationFiled: January 28, 2013Publication date: August 1, 2013Applicant: UNIVERZA V LJUBLJANIInventor: UNIVERZA V LJUBLJANI
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Patent number: 8492365Abstract: The present invention pertains, at least in part, to novel 7-substituted tetracycline compounds. These tetracycline compounds can be used to treat numerous tetracycline compound-responsive states, such as bacterial infections and neoplasms, as well as other known applications for minocycline and tetracycline compounds in general, such as blocking tetracycline efflux and modulation of gene expression.Type: GrantFiled: June 9, 2009Date of Patent: July 23, 2013Assignees: Trustees of Tufts College, Paratek Pharmaceuticals, Inc.Inventors: Mark L. Nelson, Roger Frechette, Peter Viski, Mohamed Ismail, Todd Bowser, Beena Bhatia, David Messersmith, Laura McIntyre, Darrell Koza, Glen Rennie, Paul Sheahan, Paul Hawkins, Atul Verma, Tadeusz Warchol, Upul Bandarage
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Publication number: 20130184447Abstract: A metal coordination complex of a biologically active moiety and a metal is disclosed. The complex confers to the biologically active moiety an improved performance which can include potency, stability, absorbability, targeted delivery, and combinations thereof.Type: ApplicationFiled: March 5, 2013Publication date: July 18, 2013Applicant: SYNTHONICS, INC.Inventor: SYNTHONICS, INC.
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Patent number: 8486921Abstract: The tetracycline class of antibiotics has played a major role in the treatment of infectious diseases for the past 50 years. However, the increased use of the tetracyclines in human and veterinary medicine has led to resistance among many organisms previously susceptible to tetracycline antibiotics. The modular synthesis of tetracyclines and tetracycline analogs described provides an efficient and enantioselective route to a variety of tetracycline analogs and polycyclines previously inaccessible via earlier tetra-cycline syntheses and semi-synthetic methods. These analogs may be used as anti-microbial agents or anti-pro liferative agents in the treatment of diseases of humans or other animals.Type: GrantFiled: April 6, 2007Date of Patent: July 16, 2013Assignee: President and Fellows of Harvard CollegeInventors: Andrew G. Myers, Jason D. Brubaker, Cuixiang Sun, Qiu Wang
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Patent number: 8481513Abstract: The present invention pertains to novel 3, 10, and/or 12a-substituted tetracycline compounds. These tetracycline compounds can be used to treat numerous tetracycline compound-responsive states, such as bacterial infections and neoplasms, as well as other known applications for minocycline and tetracycline compounds in general, such as blocking tetracycline efflux and modulation of gene expression.Type: GrantFiled: March 18, 2010Date of Patent: July 9, 2013Assignee: Paratek Pharmaceuticals, Inc.Inventors: Upul Bandarage, Jackson Chen, Mohamed Y. Ismail, Mark L. Nelson, Kwasi Ohemeng
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Publication number: 20130102779Abstract: The present invention pertains to tetracycline compounds of formula (VIIa): R5*, R5*?, R7r*, and R9m* are defined herein. These tetracycline compounds can be used to treat tetracycline compound-responsive states, such as multiple sclerosis and rheumatoid arthritis.Type: ApplicationFiled: November 27, 2012Publication date: April 25, 2013Applicant: PARATEK PHARMACEUTICALS, INC.Inventor: Paratek Pharmaceuticals, Inc.
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Patent number: 8383610Abstract: Crystalline forms, including salts and polymorphs, of a compound useful in the treatment of tetracycline compound-responsive states are provided herein. The crystalline compounds are useful for the treatment or prevention of conditions and disorders such as bacterial infections and neoplasms, as well as other known applications for tetracycline compounds in general.Type: GrantFiled: May 26, 2009Date of Patent: February 26, 2013Assignee: Paratek Pharmaceuticals, Inc.Inventors: Raymond Cvetovich, Tadeusz Warchol
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Publication number: 20130029943Abstract: The present invention relates to novel chemistries which allow for heretofore unobtainable substituted tetracycline compounds which exhibit significant activity in tetracycline responsive states. The methods disclosed herein utilize reactive tetracycline-based precursor compounds, reactive organic substituent precursors and transition metal catalysts under conditions such that a tetracycline compound substituted with the desired organic substituent is formed. In one embodiment of the invention, a substituted tetracycline compound may be prepared by combining a reactive tetracycline-based precursor compound such as an arene tetracycline diazonium salt, and a reactive organic substituent precursor, e.g., alkenes, substituted alkenes, vinyl monomers, aromatics and heteroaromatics, in the presence of a transition metal catalyst, such as palladium chloride, under conditions such that a tetracycline compound substituted with the organic substituent is formed.Type: ApplicationFiled: December 6, 2011Publication date: January 31, 2013Applicant: Trustees of Tufts CollegeInventors: Mark L. Nelson, Glen Rennie, Darrell J. Koza
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Publication number: 20130012480Abstract: A crystalline mono hydrochloride salt of (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12a-tetrahydroxy-7-[(methoxy(methyl)amino)-methyl]-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide is disclosed having improved stability. In addition, a crystalline mono mesylate salt and crystalline mono sulfate salt of (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12a-tetrahydroxy-7-[(methoxy(methyl)amino)-methyl]-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide are also disclosed having improved stability. A pharmaceutical composition containing the crystalline salts and methods of treating inflammatory skin disorders and bacterial infections comprising administering the crystalline salts are also disclosed.Type: ApplicationFiled: May 14, 2012Publication date: January 10, 2013Applicants: PARATEK PHARMACEUTICALS, INC., WARNER CHILCOTT COMPANY, LLCInventors: Catherine Coulter, Sean M. Johnston, Farzaneh Seyedi
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Patent number: 8318706Abstract: The present invention pertains, at least in part, to novel substituted tetracycline compounds. These tetracycline compounds can be used to treat numerous tetracycline compound-responsive states, such as bacterial infections and neoplasms.Type: GrantFiled: December 21, 2007Date of Patent: November 27, 2012Assignee: Paratek Pharmaceuticals, Inc.Inventors: Oak Kim, Haregewein Assefa, Laura Honeyman
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Patent number: 8293931Abstract: 7-substituted tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-substituted tetracycline compounds are described.Type: GrantFiled: June 30, 2011Date of Patent: October 23, 2012Assignee: Trustees of Tufts CollegeInventors: Mark L. Nelson, Darrell J. Koza
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Patent number: 8288570Abstract: 7-substituted fused ring tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-substituted fused ring tetracycline compounds are described.Type: GrantFiled: February 18, 2011Date of Patent: October 16, 2012Assignee: Paratek Pharmaceuticals, Inc.Inventors: Mark L. Nelson, Laura Honeyman
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Patent number: 8252777Abstract: 7, 8 and 9-substituted tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7, 8 and 9-substituted tetracycline compounds are described.Type: GrantFiled: January 24, 2011Date of Patent: August 28, 2012Assignee: Trustees of Tufts CollegeInventors: Mark L. Nelson, Darrell J. Koza, Glen Rennie
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Publication number: 20120135968Abstract: The present invention is directed to a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.Type: ApplicationFiled: May 7, 2010Publication date: May 31, 2012Inventors: Chi-Li Chen, Roger B. Clark, Yonghong Deng, Minsheng He, Louis Plamondon, Cuixiang Sun, Xiao-Yi Xiao, Magnus Rönn
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Patent number: 8168810Abstract: 7-phenyl-substituted tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-phenyl-substituted tetracycline compounds are described.Type: GrantFiled: December 14, 2010Date of Patent: May 1, 2012Assignee: Trustees of Tufts CollegeInventors: Mark L. Nelson, Glen Rennie, Darrell J. Koza
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Patent number: 8106225Abstract: The present invention relates to novel chemistries which allow for heretofore unobtainable substituted tetracycline compounds which exhibit significant activity in tetracycline responsive states. The methods disclosed herein utilize reactive tetracycline-based precursor compounds, reactive organic substituent precursors and transition metal catalysts under conditions such that a tetracycline compound substituted with the desired organic substituent is formed. In one embodiment of the invention, a substituted tetracycline compound may be prepared by combining a reactive tetracycline-based precursor compound such as an arene tetracycline diazonium salt, and a reactive organic substituent precursor, e.g., alkenes, substituted alkenes, vinyl monomers, aromatics and heteroaromatics, in the presence of a transition metal catalyst, such as palladium chloride, under conditions such that a tetracycline compound substituted with the organic substituent is formed.Type: GrantFiled: December 3, 2004Date of Patent: January 31, 2012Assignee: Trustees of Tufts CollegeInventors: Mark L. Nelson, Glen Rennie, Darrell J. Koza
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Patent number: 8101591Abstract: A compound of formula (I):Type: GrantFiled: November 24, 2009Date of Patent: January 24, 2012Assignee: Paratek Pharmaceuticals, Inc.Inventors: Carmen Garcia-Luzon, Juan Carlos Cuevas, Jose M. Fiandor, Araceli Mallo, Mark L. Nelson, Roger Frechette
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Patent number: 8101590Abstract: This invention provides compounds of Formula I having the structure where R1, R2, R3 and A are defined in the specification or a pharmaceutically acceptable salt thereof useful as antibacterial agents. Compounds according to Formula (II): where Q, R4, R5, R6 and R10 and A are defined in the specification are useful as chemical intermediates.Type: GrantFiled: August 31, 2006Date of Patent: January 24, 2012Assignee: Wyeth LLCInventors: Phaik-Eng Sum, Tarek Suhayl Mansour, David Brian How, Darrin William Hopper, Matthew Douglas Vera, Joshua James Sabatini, Jaechul Shim
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Patent number: 8088755Abstract: 11a,12-dehydrotetracycline compounds are described.Type: GrantFiled: February 6, 2006Date of Patent: January 3, 2012Assignee: Paratek Pharmaceuticals, Inc.Inventors: Joel Berniac, Mohamed Y. Ismail, Mark L. Nelson, Faye Seyedi
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Publication number: 20110319368Abstract: Disclosed are once-daily formulations containing tetracyclines, especially doxycycline. Such formulations are useful, for instance, for the treatment of collagenase destructive enzyme-dependent diseases, such as periodontal disease and acne, and acute and chronic inflammatory disease states, such as rosacea and arthritis.Type: ApplicationFiled: December 17, 2010Publication date: December 29, 2011Inventors: Rong-Kun Chang, Arash Raoufinia, Niraj Shah
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Publication number: 20110294151Abstract: Described herein are substrates composed of a base coated with a fluorophore-labeled calcium phosphate coating. The substrates are useful in culturing and studying the activity of a variety of cells. The substrates described herein can be used for both solution- and image-based analysis of cultured cells. New methods for producing and using such coated substrates are also disclosed.Type: ApplicationFiled: July 29, 2010Publication date: December 1, 2011Inventors: Hongwei Hanna Rao, Jian Tan
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Patent number: 8048867Abstract: The present invention pertains, at least in part, to novel 9-substituted minocycline compounds. These minocycline compounds can be used to treat numerous tetracycline compound-responsive states, such as bacterial infections and neoplasms, as well as other known applications for minocycline and tetracycline compounds in general, such as blocking tetracycline efflux and modulation of gene expression.Type: GrantFiled: May 4, 2004Date of Patent: November 1, 2011Assignees: Trustees of Tufts College, Paratek Pharmaceuticals, Inc.Inventors: Mark L. Nelson, Roger Frechette, Peter Viski, Mohamed Y. Ismail, Todd Bowser, Jimmy Dumornay, Glen Rennie, Gui Liu, Darrell J. Koza, Paul Sheahan, Karen Stapleton, Paul Hawkins, Beena Bhatia, Atul K. Verma, Laura McIntyre, Tadeusz Warchol, David Messersmith
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Publication number: 20110262970Abstract: A method for producing a fermentation product from a lignocellulose-containing material comprises pre-treating the lignocellulose-containing material; introducing a cationic polysaccharide to the pre-treated lignocellulose-containing material; exposing the pre-treated lignocellulose-containing material to an effective amount of a first hydrolyzing enzyme; and fermenting with a fermenting organism to produce a fermentation product. The cationic polysaccharide may be a cationic starch.Type: ApplicationFiled: September 30, 2009Publication date: October 27, 2011Applicant: Novozymes North America, Inc.Inventors: Xin Li, Ye Chen, Jing Luo, Lindsay Jones
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Publication number: 20110256073Abstract: The present invention is directed to the use of antibiotics for preparing topical oral antibiotic formulations for treating and/or preventing black-line stains. This invention is further directed to a method of treating and/or preventing black-line stains comprising administration of a topical oral antibiotic formulation. The invention is additionally directed to a topical oral antibiotic formulation for use in treating and/or preventing black-line stains.Type: ApplicationFiled: January 5, 2011Publication date: October 20, 2011Inventor: Ketty Neuner
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Publication number: 20110245501Abstract: The present invention relates to substituted tetracycline compounds and related methods for increasing the antifungal activity of an antifungal agent. The methods include administering to a subject an effective amount of a substituted tetracycline compound in combination with an antifungal agent such that the subject is treated for the fungal associated disorder.Type: ApplicationFiled: June 14, 2011Publication date: October 6, 2011Applicant: Paratek Pharmaceuticals, Inc.Inventors: Michael Draper, Mark L. Nelson
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Patent number: 8012951Abstract: 7-substituted tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-substituted tetracycline compounds are described.Type: GrantFiled: January 21, 2009Date of Patent: September 6, 2011Assignee: Trustees of Tufts CollegeInventors: Mark L. Nelson, Darrell J. Koza