Patents Assigned to Elan Pharma International Ltd.
  • Patent number: 6656504
    Abstract: Nanoparticulate amorphous cyclosporine formulations, and nanoparticulate cyclosporine formulations comprising a mixture of amorphous and crystalline cyclosporine, having effective average particle sizes of less than about 2000 nm are described. The compositions exhibit increased bioavailability and increased consistency of bioavailability as compared to prior macro-sized cyclosporine and formulations. Methods of making and using the compositions are also described.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: December 2, 2003
    Assignee: Elan Pharma International Ltd.
    Inventors: H. William Bosch, Kevin D. Ostrander, Douglas C. Hovey
  • Publication number: 20030219490
    Abstract: The present invention is directed to nanoparticulate compositions comprising megestrol. The megestrol particles of the composition have an effective average particle size of less than about 2000 nm.
    Type: Application
    Filed: April 14, 2003
    Publication date: November 27, 2003
    Applicant: Elan Pharma International Ltd.
    Inventors: Douglas Hovey, John Pruitt, Tuula Ryde
  • Publication number: 20030185869
    Abstract: The present invention is directed to nanoparticulate active agent compositions comprising lysozyme as a surface stabilizer. Also encompassed by the invention are pharmaceutical compositions comprising a nanoparticulate active agent composition of the invention and methods of making and using such nanoparticulate and pharmaceutical compositions.
    Type: Application
    Filed: February 4, 2003
    Publication date: October 2, 2003
    Applicant: Elan Pharma International Ltd.
    Inventors: Christian F. Wertz, Niels P. Ryde
  • Publication number: 20030181411
    Abstract: Nanoparticulate compositions comprising at least one poorly soluble MAP kinase inhibitor and at least one surface stabilizer are described. The nanoparticulate compositions have an average particle size of less than about 2000 nm. The invention also describes methods of making and using such compositions.
    Type: Application
    Filed: March 20, 2003
    Publication date: September 25, 2003
    Applicant: Elan Pharma International Ltd.
    Inventors: H. William Bosch, Greta G. Cary, Douglas C. Hovey, Rajeev A. Jain, Laura J. Kline, Elaine Merisko-Liversidge, Kevin D. Ostrander
  • Publication number: 20030137067
    Abstract: Disclosed are compositions exhibiting a combination of immediate release and controlled release characteristics. The compositions comprise at least one poorly soluble active ingredient having a nanoparticulate particle size, at least one surface stabilizer adsorbed onto the surface of the nanoparticulate active agent particles, and at least one active ingredient having a microparticulate particle size.
    Type: Application
    Filed: October 11, 2002
    Publication date: July 24, 2003
    Applicant: Elan Pharma International Ltd.
    Inventors: Eugene R. Cooper, Stephen B. Ruddy
  • Patent number: 6592903
    Abstract: Disclosed are solid dose nanoparticulate compositions comprising a poorly soluble active agent, at least one polymeric surface stabilizer, and dioctyl sodium sulfosuccinate (DOSS). The solid dose compositions exhibit superior redispersibility of the nanoparticulate composition upon administration to a mammal, such as a human or animal. The invention also describes methods of making and using such compositions.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: July 15, 2003
    Assignee: Elan Pharma International Ltd.
    Inventors: Niels P. Ryde, Stephen B. Ruddy
  • Publication number: 20030108611
    Abstract: Bioadhesive nanoparticulate compositions, comprising active agent particles and one or more cationic surface stabilizers, are described. The cationic surface stabilizers prevent aggregation of the nanoparticles and increase bioadhesion of the nanoparticles to biological substrates, such as an insect, teeth, bone, nails, chitin, feathers, scales, mucous, skin, hair, plant tissue, etc. The particles may consist of pharmacologically active compounds (e.g., drug compounds for human or veterinary use), agricultural chemicals (pesticides, herbicides, fertilizers, and the like), cosmetic agents, consumer products (coloring agents, flavors, or fragrances), or other materials which function by interacting with biological substrates. In addition, the invention relates to methods of preparing and using such bioadhesive nanoparticulate compositions.
    Type: Application
    Filed: December 7, 2001
    Publication date: June 12, 2003
    Applicant: ELAN PHARMA INTERNATIONAL LTD.
    Inventors: H. William Bosch, Eugene R. Cooper, Simon L. McGurk
  • Publication number: 20030108616
    Abstract: The present invention is directed to nanoparticulate compositions comprising a poorly soluble drug and at least one copolymer of vinyl pyrrolidone and vinyl acetate as a surface stabilizer adsorbed to the surface of the drug. Also encompassed by the invention are pharmaceutical compositions comprising a nanoparticulate composition of the invention, methods of making and using such nanoparticulate and pharmaceutical compositions.
    Type: Application
    Filed: January 16, 2003
    Publication date: June 12, 2003
    Applicant: Elan Pharma International Ltd.
    Inventors: H. William Bosch, Niels P. Ryde
  • Patent number: 6541486
    Abstract: Compounds, pharmaceutical compositions, and methods of use are described which are effective in inhibiting cell death, particularly apoptotic cell death. The compositions may be used for prevention and treatment of injuries associated with cell death, including ischemia, such as results from stroke or myocardial infarction, trauma, neurodegeneration, and inflammation.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: April 1, 2003
    Assignee: Elan Pharma International Ltd.
    Inventors: Catherine M. Bitler, Paul L. Wood, Duran T. Anstine, Anke Meyer-Franke, Qi Zhao, Mohamed A. Khan
  • Publication number: 20020110597
    Abstract: Disclosed are solid dose nanoparticulate compositions comprising a poorly soluble active agent, at least one polymeric surface stabilizer, and dioctyl sodium sulfosuccinate (DOSS). The solid dose compositions exhibit superior redispersibility of the nanoparticulate composition upon administration to a mammal, such as a human or animal. The invention also describes methods of making and using such compositions.
    Type: Application
    Filed: February 15, 2002
    Publication date: August 15, 2002
    Applicant: Elan Pharma International Ltd.
    Inventors: Niels P. Ryde, Stephen B. Ruddy
  • Patent number: 6428814
    Abstract: Bioadhesive nanoparticulate compositions, comprising active agent particles and one or more cationic surface stabilizers, are described. The cationic surface stabilizers prevent aggregation of the nanoparticles and increase bioadhesion of the nanoparticles to biological substrates, such as an insect, teeth, bone, nails, chitin, feathers, scales, mucous, skin, hair, plant tissue, etc. The particles may consist of pharmacologically active compounds (e.g., drug compounds for human or veterinary use), agricultural chemicals (pesticides, herbicides, fertilizers, and the like), cosmetic agents, consumer products (coloring agents, flavors, or fragrances), or other materials which function by interacting with biological substrates. In addition, the invention relates to methods of preparing and using such bioadhesive nanoparticulate compositions.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: August 6, 2002
    Assignee: Elan Pharma International Ltd.
    Inventors: H. William Bosch, Eugene R. Cooper, Simon L. McGurk
  • Patent number: 6375986
    Abstract: Disclosed are solid dose nanoparticulate compositions comprising a poorly soluble active agent, at least one polymeric surface stabilizer, and dioctyl sodium sulfosuccinate (DOSS). The solid dose compositions exhibit superior redispersibility of the nanoparticulate composition upon administration to a mammal, such as a human or animal. The invention also describes methods of making and using such compositions.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: April 23, 2002
    Assignee: Elan Pharma International Ltd.
    Inventors: Niels P. Ryde, Stephen B. Ruddy
  • Publication number: 20010053664
    Abstract: Improved cleanability and contamination prevention are provided in a wet milling apparatus for the production of pharmaceutical grade milled products. The advantages are provided by a milling agitator that is characterized by a smooth, seamless agitating surface, without crevices or seams which might accumulate contamination and which might prevent removal of contamination during cleaning. The use of polymeric milling media reduces wear on the agitator and permits the agitator to be constructed with permanent, smooth welded joints. Seamless joints are also provided on the interior of the milling chamber and sanitary, threadless fasteners are provided for the media separation screen and other milling chamber fittings.
    Type: Application
    Filed: April 26, 2001
    Publication date: December 20, 2001
    Applicant: Elan Pharma International, Ltd.
    Inventors: David A. Czekai, Robert G. Reed
  • Patent number: 6264922
    Abstract: There is disclosed an aerosol comprising droplets of an aqueous dispersion of nanoparticles, said nanoparticles comprising insoluble therapeutic or diagnostic agent particles having a surface modifier on the surface thereof. There is also disclosed a method for making the aerosol and methods for treatment and diagnosis using the aerosol.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: July 24, 2001
    Assignee: Elan Pharma International Ltd.
    Inventors: Ray W. Wood, Lan DeCastro, H. William Bosch
  • Patent number: 6165506
    Abstract: Described are solid dose nanoparticulate naproxen formulations having high rates of dissolution. The solid dose nanoparticulate naproxen formulations can comprise an alkali compound, which functions to increase the dissolution rate of the naproxen following administration. Alternatively, the solid dose nanoparticulate naproxen formulation can comprise an alkali compound and an acidic compound, which can react together to form carbon dioxide. The formed carbon dioxide can also aid in increasing the dissolution rate of the naproxen following administration. Also described are solid dose nanoparticulate naproxen formulations having a decreased concentration of a binder/disintegrant agent. Such compositions also provide an increased rate of dissolution of naproxen following administration.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: December 26, 2000
    Assignee: Elan Pharma International Ltd.
    Inventors: Rajeev A. Jain, Linden Wei, Jon Swanson