Patents by Inventor Tugrul T. Kararli

Tugrul T. Kararli 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).

  • Patent number: 7695736
    Abstract: A pharmaceutical composition comprises, in powder form, (a) at least one water-soluble therapeutic agent selected from selective COX-2 inhibitory drugs and prodrugs and salts thereof, for example parecoxib sodium, in a therapeutically effective total amount constituting about 30% to about 90% by weight, (b) a parenterally acceptable buffering agent in an amount of about 5% to about 60% by weight, and optionally (c) other parenterally acceptable excipient ingredients in a total amount not greater than about 10% by weight, of the composition. The composition is reconstitutable in a parenterally acceptable solvent liquid to form an injectable solution. A lyophilization process is provided for preparation of such a composition.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: April 13, 2010
    Assignee: Pfizer Inc.
    Inventors: Tugrul T. Kararli, Sandeep Nema, Aziz Karim
  • Patent number: 7220867
    Abstract: The selective cyclooxygenase-2 inhibitory drug celecoxib is provided in amorphous form. Also provided is a celecoxib drug substance wherein the celecoxib is present, in at least a detectable amount, as amorphous celecoxib. Also provided is a celecoxib-crystallization inhibitor composite comprising particles of amorphous celecoxib or a celecoxib drug substance of the invention in intimate association with one or more crystallization inhibitors, for example polymers. Also provided is a pharmaceutical composition comprising such a celecoxib-crystallization inhibitor composite and one or more excipients. Also provided are processes for preparing amorphous celecoxib, a celecoxib drug substance of the invention, a celecoxib-crystallization inhibitor composite of the invention, and a pharmaceutical composition of the invention.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: May 22, 2007
    Assignee: Pharmacia Corporation (of Pfizer, Inc.)
    Inventors: Michael J. Hageman, Xiaorong He, Tugrul T. Kararli, Lesley A. MacKin, Patricia J. Miyake, Brian R. Rohrs, Kevin J. Stefanski
  • Patent number: 7172769
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising a selective cyclooxygenase-2 inhibitory drug of low water solubility in a therapeutically effective amount, wherein the drug is present in the form of solid particle, about 25% to 100% by weight of which are smaller than 1 ?m. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders and have particular advantages where rapid onset of therapeutic effect is desired.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: February 6, 2007
    Assignee: Pharmacia Corporation
    Inventors: Tugrul T. Kararli, Mark J. Kontny, Subhash Desai, Michael J. Hageman, Royal J. Haskell
  • Patent number: 6964978
    Abstract: The selective cyclooxygenase-2 inhibitory drug celecoxib is provided in amorphous form. Also provided is a celecoxib drug substance wherein the celecoxib is present, in at least a detectable amount, as amorphous celecoxib. Also provided is a celecoxib-crystallization inhibitor composite comprising particles of amorphous celecoxib or a celecoxib drug substance of the invention in intimate association with one or more crystallization inhibitors, for example polymers. Also provided is a pharmaceutical composition comprising such a celecoxib-crystallization inhibitor composite and one or more excipients. Also provided are processes for preparing amorphous celecoxib, a celecoxib drug substance of the invention, a celecoxib-crystallization inhibitor composite of the invention, and a pharmaceutical composition of the invention.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: November 15, 2005
    Assignee: Pharmacia Corporation
    Inventors: Michael J. Hageman, Xiaorong He, Tugrul T. Kararli, Lesley A. Mackin, Patricia J. Miyake, Brian R. Rohrs, Kevin J. Stefanski
  • Publication number: 20040265382
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising a selective cyclooxygenase-2 inhibitory drug of low water solubility in a therapeutically effective amount, wherein the drug is present in the form of solid particle, about 25% to 100% by weight of which are smaller tban 1 &mgr;m. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders and have particular advantages where rapid onset of therapeutic effect is desired.
    Type: Application
    Filed: July 30, 2002
    Publication date: December 30, 2004
    Inventors: Tugrul T. Kararli, Mark J. Kontny, Subhash Desai, Michael J. Hageman, Royal J. Haskell
  • Publication number: 20040058926
    Abstract: The present invention provides methods for the treatment and prevention of ocular COX-2 mediated disorders using COX-2 inhibitors.
    Type: Application
    Filed: September 22, 2003
    Publication date: March 25, 2004
    Inventors: Rebanta Bandyopadhyay, David Eveleth, Tom Van Haarlem, Tugrul T Kararli, Satish K. Singh
  • Publication number: 20030078266
    Abstract: A pharmaceutical composition comprises, in powder form, (a) at least one water-soluble therapeutic agent selected from selective COX-2 inhibitory drugs and prodrugs and salts thereof, for example parecoxib sodium, in a therapeutically effective total amount constituting about 30% to about 90% by weight, (b) a parenterally acceptable buffering agent in an amount of about 5% to about 60% by weight, and optionally (c) other parenterally acceptable excipient ingredients in a total amount not greater than about 10% by weight, of the composition. The composition is reconstitutable in a parenterally acceptable solvent liquid to form an injectable solution. A lyophilization process is provided for preparation of such a composition.
    Type: Application
    Filed: April 1, 2002
    Publication date: April 24, 2003
    Inventors: Tugrul T. Kararli, Sandeep Nema, Aziz Karim
  • Publication number: 20030064098
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising a selective cyclooxygenase-2 inhibitory drug of low water solubility in a therapeutically effective amount, wherein the drug is present in the form of solid particles, about 25% to 100% by weight of which are smaller than 1 &mgr;m. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders and have particular advantages where rapid onset of therapeutic effect is desired.
    Type: Application
    Filed: June 5, 2001
    Publication date: April 3, 2003
    Inventors: Tugrul T. Kararli, Mark J. Kontny, Subhash Desai, Michael J. Hageman, Royal J. Haskell, Fred Hassan, James C. Forbes
  • Publication number: 20020142045
    Abstract: Pharmaceutical compositions are provided comprising one or more orally deliverable dose units, each comprising a selective cyclooxygenase-2 inhibitory drug of low water solubility in a therapeutically effective amount, wherein the drug is present in the form of solid particles, about 25% to 100% by weight of which are smaller than 1 &mgr;m. The compositions are useful in treatment or prophylaxis of cyclooxygenase-2 mediated conditions and disorders and have particular advantages where rapid onset of therapeutic effect is desired.
    Type: Application
    Filed: April 1, 2002
    Publication date: October 3, 2002
    Inventors: Tugrul T. Kararli, Mark J. Kontny, Subhash Desai, Michael J. Hageman, Royal J. Haskell, Fred Hassan, James C. Forbes
  • Publication number: 20020128267
    Abstract: The present invention provides methods for the treatment and prevention of ocular COX-2 mediated disorders using COX-2 inhibitors.
    Type: Application
    Filed: May 4, 2001
    Publication date: September 12, 2002
    Inventors: Rebanta Bandyopadhyay, David Eveleth, Thomas Joseph Van Haarlem, Tugrul T. Kararli, Satish K. Singh
  • Publication number: 20020119193
    Abstract: A process is provided for preparing an oral fast-melt composition of a selective cyclooxygenase-2 inhibitory drug, the process comprising (a) a step of wet granulating the drug together with a binding agent comprising a saccharide of high moldability, and (b) a step of blending with the drug a saccharide of low moldability, wherein the above steps (a) and (b) occur in any order or simultaneously to result in formation of granules. The process optionally incorporates means to inhibit agglomeration of the drug, for example addition of a wetting agent. Optionally the process further comprises (c) a step of blending the granules with at least one of a lubricant, a sweetening agent and a flavoring agent to form a tableting blend, and (d) a step of compressing the tableting blend to form oral fast-melt tablets. Also provided is a composition prepared by such a process.
    Type: Application
    Filed: August 17, 2001
    Publication date: August 29, 2002
    Inventors: Trang T. Le, Tugrul T. Kararli, Mark J. Kontny, Srikonda V. Sastry, Janaki R. Nyshadham, Arthur J. Pagliero
  • Publication number: 20020107250
    Abstract: An orally deliverable pharmaceutical composition is provided comprising a selective cyclooxygenase-2 inhibitory drug of low water solubility, for example celecoxib, and a glycol ether, for example diethylene glycol monoethyl ether. At least a substantial part of the drug is in dissolved or solubilized form in a solvent liquid comprising the glycol ether. The composition has rapid-onset properties and is useful in treatment of cyclooxygenase-2 mediated conditions and disorders, particularly pain. For relief of pain in headache or migraine, the composition can optionally be administered together with a vasodilator.
    Type: Application
    Filed: April 17, 2001
    Publication date: August 8, 2002
    Inventors: Madhusudan Hariharan, Tugrul T. Kararli, Fred Hassan, James C. Forbes
  • Publication number: 20020071857
    Abstract: A molded article such as a tablet is provided for administration to an oral cavity of a subject to treat or prevent a cyclooxygenase-2 mediated condition, disorder or disease. The molded article comprises a moldable blend of a therapeutically effective amount of a selective cyclooxygenase-2 inhibitory drug with a pharmaceutically acceptable excipient carrier system consisting predominantly of one or more carbohydrates, wherein ingredients and amounts thereof in the molded article and a process for preparing the molded article are selected such that the molded article exhibits rapid disintegration in the oral cavity, and wherein the moldable blend is prepared by a process step not requiring wet granulation.
    Type: Application
    Filed: August 17, 2001
    Publication date: June 13, 2002
    Inventors: Tugrul T. Kararli, Mark J. Kontny, Trang T. Le
  • Publication number: 20020049233
    Abstract: A process is provided for preparing an oral fast-melt composition of a selective cyclooxygenase-2 inhibitory drug comprising (a) a step of wet granulating the selective cyclooxygenase-2 inhibitory drug together with a binding agent selected from gums, polypeptides, natural and modified starches, cellulosic materials, alginic acid and salts thereof, polyethylene glycol, polyvinylpyrrolidone, polymethacrylates, silicate salts and bentonites, and (b) a step of blending with the drug a saccharide of low moldability, wherein the above steps (a) and (b) occur in any order or simultaneously to result in formation of granules. Optionally the process further comprises (c) a step of blending the granules with at least one of a lubricant, a sweetening agent and a flavoring agent to form a tableting blend, and (d) a step of compressing the tableting blend to form oral fast-melt tablets. Also provided is a composition prepared by such a process.
    Type: Application
    Filed: August 17, 2001
    Publication date: April 25, 2002
    Inventors: Tugrul T. Kararli, Mark J. Kontny, Trang T. Le
  • Publication number: 20020035264
    Abstract: There is provided a pharmaceutical composition suitable for topical administration to an eye which contains a selective COX-2 inhibitory drug or nanoparticles of a drug of low water solubility, in a concentration effective for treatment and/or prophylaxis of a disorder in the eye, and one or more ophthalmically acceptable excipients that reduce rate of removal from the eye such that the composition has an effective residence time of about 2 to about 24 hours. Also provided is a method of treating and/or preventing a disorder in an eye, the method comprising administering to the eye a composition of the invention.
    Type: Application
    Filed: July 12, 2001
    Publication date: March 21, 2002
    Inventors: Tugrul T. Kararli, Rebanta Bandyopadhyay, Satish K. Singh, Leslie C. Hawley
  • Publication number: 20020006951
    Abstract: The selective cyclooxygenase-2 inhibitory drug celecoxib is provided in amorphous form. Also provided is a celecoxib drug substance wherein the celecoxib is present, in at least a detectable amount, as amorphous celecoxib. Also provided is a celecoxib-crystallization inhibitor composite comprising particles of amorphous celecoxib or a celecoxib drug substance of the invention in intimate association with one or more crystallization inhibitors, for example polymers. Also provided is a pharmaceutical composition comprising such a celecoxib-crystallization inhibitor composite and one or more excipients. Also provided are processes for preparing amorphous celecoxib, a celecoxib drug substance of the invention, a celecoxib-crystallization inhibitor composite of the invention, and a pharmaceutical composition of the invention.
    Type: Application
    Filed: December 6, 2000
    Publication date: January 17, 2002
    Inventors: Michael J. Hageman, Xiaorong He, Tugrul T. Kararli, Lesley A. Mackin, Patricia J. Miyake, Brian R. Rohrs, Kevin J. Stefanski
  • Patent number: 5935939
    Abstract: The present invention provides for stabilization of misoprostol in solid dispersions using amorphous excipients or excipients which have been converted to an amorphous state such as hydroxypropyl cellulose, methyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, cellulose acetate phthalate, cellulose acetate butyrate, hydroxyethyl cellulose, ethyl cellulose, polyvinyl alcohol, polyethylene glycol, starch, polypropylene, dextrans, dextrins, hydroxypropyl .beta.-cyclodextrin chitosan, co-(lactic/glycolic)copolymers, poly(orthoester), polyvinyl chloride, polyvinyl acetate, ethylene vinyl acetate, lectins, carbopols, silicon elastomers, cyclodextrins, polyacrylic polymers, maltodextrins, lactose, fructose, inositol, trehalose, maltose, and raffinose, (and other mono-, di- and tri- saccharides) and .alpha.-, .beta.- and .gamma.-cyclodextrins, and more preferably the excipients which are used are dextran, maltodextrin, hydroxypropyl .beta.-cyclodextrin and maltose.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: August 10, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Tugrul T. Kararli, David Otto, Stanley C. Penzotti, Jr., James E. Truelove
  • Patent number: 5230897
    Abstract: Pharmaceutical compositions and transdermal patches comprised of pentamidine and a penetration enhancing amount of a terpene selected from the group consisting of menthol, carvone, carveol, dihydrocarveol, dihydrocarvone, neomenthol, isopulegol, terpene-4-ol, menthone, pulegol, camphor, geraniol, .alpha.-terpineol, citral, linalol, carvacrol, thymol and anethole are disclosed for delivery of a therapeutically effective amount of pentamidine or its pharmaceutically acceptable salts.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: July 27, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Martin J. Griffin, Tugrul T. Kararli, Stanley C. Penzotti, Jr., Rachelle M. Rydzik, Cynthia M. Schmidt
  • Patent number: 5213807
    Abstract: A pharmaceutical composition includes a core of an NSAID selected from ibuprofen and ibuprofen salts, which core is surrounded by an intermediate coating impermeable to the passage of ibuprofen and a mantle coating which includes a prostaglandin surrounding the coated ibuprofen core.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: May 25, 1993
    Inventors: Pramod B. Chemburkar, Bahram Farhadieh, Barbara J. Struthers, Tugrul T. Kararli, Steven C. Schumann