Drug Delivery Patents (Class 977/906)
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Publication number: 20120276155Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising administering MHC Class I-restricted and/or MHC Class II-restricted epitopes of an antigen and immunosuppressants in order to generate tolerogenic immune responses against the antigen, such as the generation of antigen-specific CD8+ regulatory T cells.Type: ApplicationFiled: April 27, 2012Publication date: November 1, 2012Applicant: Selecta Biosciences, Inc.Inventors: Takashi Kei Kishimoto, Christopher Fraser, Roberto A. Maldonado
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Publication number: 20120276182Abstract: The present invention relates to methods for treating and completely curing fungal, yeast, and/or mold infections in human subjects comprising topically administering to a human subject in need thereof an antifungal nanoemulsion composition.Type: ApplicationFiled: July 9, 2012Publication date: November 1, 2012Inventors: James R. Baker, JR., Mary R. Flack, Susan M. Ciotti, Joyce A. Sutcliffe
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Publication number: 20120276160Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising administering B cell and/or MHC Class II-restricted epitopes of an antigen and immunosuppressants in order to reduce antigen-specific activation of innate immune cells.Type: ApplicationFiled: April 27, 2012Publication date: November 1, 2012Applicant: Selecta Biosciences, Inc.Inventor: Roberto A. Maldonado
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Publication number: 20120269867Abstract: The invention provides methods and compositions for treatment of a subject with a central nervous system (CNS) tumor comprising administration of Coenzyme Q10 (CoQ10), particularly when the subject exhibits at least one CNS abnormality as a result of the tumor.Type: ApplicationFiled: April 4, 2012Publication date: October 25, 2012Inventors: Joaquin J. Jimenez, Niven Rajin Narain, Rangaprasad Sarangarajan, John Patrick McCook
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Publication number: 20120269903Abstract: The present invention relates to mannopyranoside-derived compounds and to the use thereof as medicaments, in particular in the treatment of cancer diseases, and also to the method for preparing same and to pharmaceutical compositions comprising such compounds. Medical devices surface-treated with mannopyranoside-derived compounds according to the invention also form part of the invention.Type: ApplicationFiled: December 10, 2010Publication date: October 25, 2012Applicant: Centre National De La Recherche ScientifiqueInventors: Jean-Louis Montero, Veronique Montero, Jean-Pierre Moles, Pascal De Santa Barbara, Stephanie Combemale, Azzam Awwad, Bernard Jover
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Patent number: 8293276Abstract: The present disclosure generally relates to methods of making nanoparticles having about 0.2 to about 35 weight percent of a therapeutic agent; and about 10 to about 99 weight percent of biocompatible polymer such as a diblock poly(lactic)acid-poly(ethylene)glycol.Type: GrantFiled: May 17, 2011Date of Patent: October 23, 2012Assignee: Bind Biosciences, Inc.Inventors: Greg Troiano, Michael Figa, Abhimanyu Sabnis
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Publication number: 20120265001Abstract: A composite magnetic nanoparticle drug delivery system provides targeted controlled release chemotherapies for cancerous tumors and inflammatory diseases. The magnetic nanoparticle includes a biocompatible and biodegradable polymer, a magnetic nanoparticle, the biological targeting agent human serum albumin, and a therapeutic pharmaceutical composition. The composite nanoparticles are prepared by oil-in-oil emulsion/solvent evaporation and high shear mixing. An externally applied magnetic field draws the magnetic nanoparticles to affected areas. The biological targeting agent draws the nanoparticles into the affected tissues. Polymer degradation provides controlled time release delivery of the pharmaceutical agent.Type: ApplicationFiled: October 11, 2011Publication date: October 18, 2012Applicant: WICHITA STATE UNIVERSITYInventors: Ramazan Asmatulu, Heath Misak, Shang-you Yang, Paul Wooley
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Publication number: 20120264108Abstract: There is disclosed a method and device for the delivery of molecules into individual cells. A device for injecting a biological molecule into a target cell comprises a microscopic tip attached to a mechanical scanning device for positioning the tip relative to the target cell and for moving the tip into the target cell; a nanostructure, such as a carbon nanotube, fixed on an end of the microscopic tip; and a biological molecule attached to the nanotube by a cleavable electrostatic or chemical linker linking the biomolecule to the nanotube, said chemical linker having a chemical linkage which is cleaved in an intracellular environment. The biological molecule may be one or more of proteins, nucleic acids, small molecule drugs, and optical labels, and combinations thereof.Type: ApplicationFiled: December 20, 2007Publication date: October 18, 2012Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Xing Chen, Carolyn R. Bertozzi, Alexander K. Zettl
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Publication number: 20120264830Abstract: A method for preparing a chondroitin sulfate-polycaprolactone copolymer includes subjecting a chondroitin sulfate component and a polycaprolactone polymer to an atom transfer radical polymerization reaction in the presence of a catalyst.Type: ApplicationFiled: December 15, 2011Publication date: October 18, 2012Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Li-Fang Wang, Yu-Sheng LIU
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Publication number: 20120264689Abstract: Compositions and methods for inducing tissue differentiation and growth within a localized area of application in humans or other animals are provided. Compositions comprising a biological or pharmacologically active agent such as Insulin-like Growth Factor-1 (IGF-1) and sustained-release nanoparticle formulations comprising IGF-1 and a matrix forming component such as hyaluronan for use in skin repair and regeneration are provided. Nanoparticles of the invention activate endogenous stem cells in the local area of administration to produce new dermal cells and tissues.Type: ApplicationFiled: October 7, 2010Publication date: October 18, 2012Applicant: Genogen, Inc.Inventor: Nancy K Mize
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Publication number: 20120263648Abstract: The instant invention provides polyvalent RNA nanoparticles comprising RNA motifs as building blocks that can form RNA nanotubes. The polyvalent RNA nanoparticles are suitable for therapeutic or diagnostic use in a number of diseases or disorders.Type: ApplicationFiled: June 16, 2010Publication date: October 18, 2012Applicants: REGENTS OF THE UNIVERSITY OF CALIFORNIA, SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICESInventors: Bruce A. Shapiro, Yaroslava G. Yingling, Eckart Bindewald, Wojciech Kasprzak, Luc Jaeger, Isil Severcan, Cody Geary, Kirill Afonin
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Publication number: 20120259153Abstract: Delivery systems adapted for implementation during a brachytherapy procedure are provided. The delivery system includes a plurality of brachytherapy seeds and a plurality of spacers. Each spacer is formed of a matrix material carrying a plurality of microparticles and/or nanoparticles. The microparticles and/or nanoparticles carry an agent and are biodegradable and/or biocompatible. The brachytherapy seeds and the spacers are configured to be delivered to a target site. Associated methods are also provided.Type: ApplicationFiled: October 20, 2010Publication date: October 11, 2012Applicant: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Zhuang Wang, Michael Edward Werner, James Donald Byrne, Ronald Chingyun Chen, Shrirang Shrikant Karve, Joseph DeSimone
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Publication number: 20120258176Abstract: The invention discloses particulate complexes composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein equal moles of the positively charged chitosan and the negatively charged poly-glutamic acid substrate form an electrostatic network enabling improved loading the bioactive agent.Type: ApplicationFiled: May 7, 2012Publication date: October 11, 2012Inventors: Hsing-Wen Sung, Zi-Xian Liao, Shu-Fen Peng, Hosheng Tu
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Publication number: 20120251583Abstract: The disclosure relates to methods and composition for generating nanoscale devices, systems, and enzyme factories based upon a nucleic acid nanostructure the can be designed to have a predetermined structure.Type: ApplicationFiled: November 18, 2010Publication date: October 4, 2012Applicant: THE CALIFORNIA INSTITUTE OF TECHNOLOGYInventor: Paul W.K. Rothemund
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Publication number: 20120251521Abstract: The present invention is a solution or colloid of fullerene, SWNTs, or graphene in cyclic terpenes, lactones, terpene-alcohol, fatty-acid alcohols, and lactones following ultrasonication and ultracentrifugation processing, for oil-energy, biological, electrical-thermal applications. The compositions are useful as fuel/oil/grease/gels (synthetic included), oil/fuel/additives/propellants, identification dyes, and heat-transfer fluids. Other functions are phase-change fluids for solar energy power plants, antifreeze, electronic dyes, electrolytic fluid/solvent, electrically-thermally conductive material for electrochemical, dielectric, filler/adhesive for semiconductor, eletro-optical, and liquid crystal substrates/coatings for touch sensitive transmissive or reflective displays. When combined with gelatin the formulations can function as dichroic-optical coatings for thin-films/waveguides/holograms.Type: ApplicationFiled: April 2, 2011Publication date: October 4, 2012Inventors: Bertha Rostro, Mehdie Kohanloo
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Publication number: 20120245218Abstract: A composition comprises a surface modified nanoparticle comprising a core comprising a material selected from the group consisting of organic materials, organometallic materials, inorganic materials, metals, metal oxides, and combinations thereof; and a surface branch covalently linked to the core having the general formula (3):Type: ApplicationFiled: June 5, 2012Publication date: September 27, 2012Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Kazuki Fukushima, James L. Hedrick, Alshakim Nelson, Daniel P. Sanders
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Publication number: 20120244230Abstract: The present invention is directed to compositions and methods of delivering a chemotherapeutic agent via a polynueleotide-functionalized nanoparticle (PN-NP).Type: ApplicationFiled: September 1, 2010Publication date: September 27, 2012Applicants: MASSACHUSETTS INSTITUTE OF TECHNOLOGY, NORTHWESTERN UNIVERSITYInventors: Chad A. Mirkin, David A. Giljohann, Weston L. Daniel, Stephen J. Lippard, Shanta Dhar
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Patent number: 8273363Abstract: The present invention generally relates to polymers and macromolecules, in particular, to polymers useful in particles such as nanoparticles. One aspect of the invention is directed to a method of developing nanoparticles with desired properties. In one set of embodiments, the method includes producing libraries of nanoparticles having highly controlled properties, which can be formed by mixing together two or more macromolecules in different ratios. One or more of the macromolecules may be a polymeric conjugate of a moiety to a biocompatible polymer. In some cases, the nanoparticle may contain a drug. Other aspects of the invention are directed to methods using nanoparticle libraries.Type: GrantFiled: May 17, 2011Date of Patent: September 25, 2012Assignee: Bind Biosciences, Inc.Inventors: Stephen E. Zale, Mir Mukkaram Ali
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Publication number: 20120237557Abstract: Nanocomposite fibers containing one or more carbon nanotubes encapsulated in an polysaccharide gel matrix.Type: ApplicationFiled: November 30, 2011Publication date: September 20, 2012Applicant: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Dan Lewitus, Joachim B. Kohn, Alexander Neimark, John Landers
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Publication number: 20120237605Abstract: The present invention provides nanoparticles including a metallic core having a length along each axis of from 1 to 100 nanometers and a coating disposed on at least part of the surface of the metallic core, wherein the coating comprises polydopamine, along with methods for making and using such nanoparticles. The metallic core may be gold, silver or iron oxide and the polydopamine coating may have other substances bound to it, such as silver, targeting ligands or antibodies, or other therapeutic or imaging contrast agents. The disclosed nanoparticles can be targeted to cells for treating cancer or bacterial infections, and for use in diagnostic imaging.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Inventors: Phillip B. Messersmith, Kvar C.L. Black, IV, Ji Yi, Jose G. Rivera
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Publication number: 20120232328Abstract: The present invention discloses a drug activator carrier comprising: a) particles having a metallic or metallic oxide core prepared from a paramagnetic material, said metallic core being coated with a coating material selected from polymer, metal or metal oxide; b) a biological material, having reductase activity, bound onto the metal coating the particles of step a), and wherein said biological material is capable of activating non-toxic pro-drugs into active and toxic drugs suitable for treating a disease; said drug activator carrier allowing targeted delivery of the toxic drug.Type: ApplicationFiled: September 2, 2010Publication date: September 13, 2012Applicant: BANGOR UNIVERSITYInventors: Christopher Gwenin, Maher Kalaji, Vanessa Roberts
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Publication number: 20120231041Abstract: The present invention relates to a preferably nebulizable pharmaceutical composition comprising a pharmaceutically acceptable protein-based nanocarrier preferably in the size range 150 to 300 nm and a preventative or therapeutic amount of an active agent for use in the prevention and/or treatment of an allergic and/or inflammatory disease of the lower airways in a mammal. Preferably, the active agent is a CpG oligodeoxynucleotide (CpG-ODN), and preferably the composition exhibits a prolonged clinical effect.Type: ApplicationFiled: March 6, 2012Publication date: September 13, 2012Inventors: Sebastian Fuchs, Conrad Coester, Heidrun Gehlen, John Klier, Gerhard Winter
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Publication number: 20120231062Abstract: Dermatological disorders having an inflammatory or proliferative component are treated with pharmaceutical compositions containing on the order of 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid (adapalene) or salt thereof, formulated into pharmaceutically acceptable media therefor, advantageously topically applicable gels, creams or lotions.Type: ApplicationFiled: May 18, 2012Publication date: September 13, 2012Inventors: Michael GRAEBER, Janusz Czernielewski
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Publication number: 20120231063Abstract: Provided is a dressing, comprising (a) a substrate layer and (b) an active layer, which is a nanofiber layer and comprises: (b1) at least one of gelatin and collagen; (b2) polyvinyl alcohol (PVA); and (b3) at least one of asiaticoside and a Centella asiatica extract. Also, a method for preparing the dressing is provided.Type: ApplicationFiled: June 16, 2011Publication date: September 13, 2012Applicant: CHINA MEDICAL UNIVERSITYInventors: Chun-Hsu YAO, Jen-Yu Yeh
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Publication number: 20120231093Abstract: The present invention relates to a method for preparing nanoscale or amorphous particles using solid fat as a solvent. According to the present invention, nanoscale or amorphous particles of active ingredients are prepared by using fat as a solvent, wherein the fat is in solid phase at room temperature. The nanoscale or amorphous particles of active ingredients can be advantageously used in medicine, cosmetics, functional foods or the like.Type: ApplicationFiled: May 24, 2012Publication date: September 13, 2012Inventor: Kab-Sig KIM
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Publication number: 20120231069Abstract: Disclosed herein are nanoparticle, micelle and/or liposome compositions, each comprising a therapeutic agent encapsulated in one or more polymer(s), wherein a vitamin B12 or a derivative thereof is attached to the one or more polymer(s) via a linker group, as well as methods for making and using same.Type: ApplicationFiled: March 7, 2012Publication date: September 13, 2012Inventors: David P. Nowotnik, Ryszard Zarzycki, Paul Sood, N.Rao Ummaneni
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Publication number: 20120225021Abstract: In the present invention, a method of producing stable bare colloidal gold nanoparticles is disclosed. The nanoparticles can subsequently be subjected to partial or full surface modification. The method comprises preparation of colloidal gold nanoparticles in a liquid by employing a top-down nanofabrication method using bulk gold as a source material. The surface modification of these nanoparticles is carried out by adding one or multiple types of ligands each containing functional groups which exhibit affinity for gold nanoparticle surfaces to produce the conjugates. Because of the high efficiency and excellent stability of the nanoparticles produced by this method, the fabricated gold nanoparticle conjugates can have surface coverage with functional ligands which can be tuned to be any percent value between 0 and 100%.Type: ApplicationFiled: March 2, 2011Publication date: September 6, 2012Inventors: Wei QIAN, Makoto MURAKAMI, Yuki ICHIKAWA, Yong CHE
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Publication number: 20120225039Abstract: Cartilage has been constructed using biodegradable electrospun polymeric scaffolds seeded with chondrocytes or adult mesenchymal stem cells. More particularly engineered cartilage has been prepared where the cartilage has a biodegradable and biocompatible nanofibrous polymer support prepared by electrospinning and a plurality of chondocytes or mesenchymal stem cells dispersed in the pores of the support. The tissue engineered cartilages of the invention possess compressive strength properties similar to natural cartilage. Methods of preparing engineered tissues, including tissue engineered cartilages, are provided in which an electrospun nanofibrous polymer support is provided, the support is treated with a cell solution and the polymer-cell mixture cultured in a rotating bioreactor to generate the cartilage. The invention provides for the use of the tissue engineered cartilages in the treatment of cartilage degenerative diseases, reconstructive surgery, and cosmetic surgery.Type: ApplicationFiled: May 15, 2012Publication date: September 6, 2012Applicant: The Government of the United States of America, as represented by the Secretary,Department of HealthInventors: Wan-Ju Li, Rocky S. Tuan
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Publication number: 20120225127Abstract: A nanocomposite exhibiting solvent-assisted self-assemblage properties and forming microcapsule useful for guest-encapsulation and process for making the same which comprises the reaction product of a smectite-type clay and an oligosilsesquioxane from hydrolytic polycondensation of a trialkoxy aminoalkyl silane and a trialkoxy alkenyl silane dispensed in a vinyl polymer by in situ intercalative polymerisation of a vinyl monomer. A process for making microcapsule which comprises casting a solution of the nanocomposite in a suitable volatile solvent followed by evaporation of the solvent. A method for producing guest-encapsulated microcapsule which comprises casting a solution of the nanocomposite and the guest molecule in a suitable volatile solvent followed by evaporation of the solvent.Type: ApplicationFiled: March 29, 2010Publication date: September 6, 2012Applicant: Council of Scientific & Industrial ResearchInventors: Chorappan Pavithran, Bindu Prasannakumaran Nair
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Publication number: 20120225128Abstract: The present invention relates to compositions containing nanoparticies and uses of said composition for transferring therapeutically active substances into cells by means of specifically coated nanoparticles. The chemical design of the particles is such that a large amount thereof is absorbed into the cells. No direct bond between nanoparticle and the therapeutically active substance is required for the transfer into the cells. Thanks to said transfer, an increased efficacy of the substance and simultaneously reduced systemic toxicity is achieved, i.e. an increase in the efficacy while the side effects are reduced.Type: ApplicationFiled: May 11, 2012Publication date: September 6, 2012Inventors: Andreas JORDAN, Norbert Waldoefner, Regina Scholz
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Publication number: 20120225125Abstract: Disclosed are drug delivery systems and methods for extravascular administration of drug, vaccine, and/or diagnostic agents, for use in research and medical applications.Type: ApplicationFiled: August 25, 2011Publication date: September 6, 2012Applicant: GENESEGUES, INC.Inventor: Gretchen Unger
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Patent number: 8257745Abstract: The use of nanoparticles of inorganic materials (e.g., synthetic smectite clays) in ophthalmic and otic pharmaceutical compositions is described. The nanoparticles are utilized as biologically inert carriers or depots for ophthalmic and otic drugs. The nanoparticles may also be utilized to modify the rheological properties of the compositions, so as to enhance the viscosity or flow characteristics of the compositions and/or increase the retention time of the compositions in the eye or ear.Type: GrantFiled: July 19, 2011Date of Patent: September 4, 2012Assignee: Novartis AGInventors: Howard Allen Ketelson, David L. Meadows
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Publication number: 20120219508Abstract: In one aspect, there is provided a compound comprising an acetylated carboxymethylcellulose (CMC-Ac) covalently linked to: at least one poly(ethylene glycol) (PEG), and at least one hydrophobic drug. In another aspect, a self-assembling nanoparticle composition comprising such compounds is provided.Type: ApplicationFiled: February 1, 2012Publication date: August 30, 2012Inventors: SHYH-DAR LI, Mark John Ernsting, Wei-Lun Tang
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Publication number: 20120219600Abstract: The invention encompasses micelle assemblies, compositions having micelle assemblies, and methods for preparing micelle assemblies and compositions thereof. The invention also encompasses a prolamine protein conjugated to a polymer, such as a polyethylene glycol (PEG) chain, which conjugates can be used to prepare micelle assemblies. The invention further encompasses methods of encapsulating molecules using the conjugates of the invention. The micelle assemblies can be used for a variety of applications, such as treating cancer, targeting tumors, reducing the toxicity of a drug in vivo, increasing the efficacy of an encapsulated agent in vivo, protecting an encapsulated agent against degradation, and enhancing the water solubility of a drug or other agent.Type: ApplicationFiled: February 24, 2012Publication date: August 30, 2012Inventors: Omathanu P. Perumal, Satheesh K. Podaralla, Ranjith Kumar Averineni
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Patent number: 8252338Abstract: The present invention provides a synthetic LDL nanoparticle comprising a lipid moiety and a synthetic chimeric peptide so as to be capable of binding the LDL receptor. The synthetic LDL nanoparticle of the present invention is capable of incorporating and targeting therapeutics to cells expressing the LDL receptor for diseases associated with the expression of the LDL receptor such as central nervous system diseases. The invention further provides methods of using such synthetic LDL nanoparticles.Type: GrantFiled: November 13, 2006Date of Patent: August 28, 2012Assignees: The Regents of the University of California, Children's Hospital & Research Center OaklandInventors: Trudy M. Forte, Mina Nikanjam
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Publication number: 20120213812Abstract: Compositions that include immunostimulatory nucleic acids are disclosed, along with the use of such compositions to induce immune responses.Type: ApplicationFiled: November 16, 2011Publication date: August 23, 2012Inventors: Grayson B. Lipford, Christopher Fraser
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Publication number: 20120214863Abstract: Methods for modulating gene expression in a skin cell by administering to the cell an amount of a therapeutic composition in an amount sufficient to modulate the expression of miR-1, and therapeutic compositions and uses thereof are disclosed.Type: ApplicationFiled: August 4, 2010Publication date: August 23, 2012Applicant: THE OHIO STATE UNIVERSITY RESEARCH FOUNDATIONInventors: Chandan K. Sen, Sashwati Roy, Shani Goldberg-Shilo
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Publication number: 20120213854Abstract: Described herein are methods for treating a subject with combinations of polymer-agent particles and cyclodextrin polymer agent conjugates. The methods herein may be used to treat subjects identified with cancer, cardiovascular disorders, autoimmune disorders, or inflammatory disorders. Also described herein are compositions, dosage forms, and kits comprising polymer-agent particles and cyclodextrin polymer agent conjugates.Type: ApplicationFiled: September 29, 2011Publication date: August 23, 2012Inventor: Oliver S. Fetzer
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Patent number: 8246933Abstract: A method of forming and resulting nano-structured composite includes atomizing a mixture of an amount of each of aminopropyltriethoxysilane, AgNO3, DI water, and ethanol in a carrier gas; heating the atomized droplets at a selected temperature for a time sufficient to reduce the Ag to its elemental form in a silica matrix; and outputting the nano structured composite particles. A predetermined heating time is from about 0.01 to about 40 seconds and a selected heating temperature is from about 200 to about 800° C. The nano structured composite includes a plurality of nano particles at a contact surface of the composite, dispersed throughout and at a contact surface of the composite, or dispersed throughout the composite.Type: GrantFiled: November 26, 2008Date of Patent: August 21, 2012Assignee: STC.UNMInventors: Xingmao Jiang, C. Jeffrey Brinker, Yong Lin, Yung-Sung Cheng
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Patent number: 8246917Abstract: The present invention relates to a nanoscale or microscale particle for encapsulation and delivery of materials or substances, including, but not limited to, cells, drugs, tissue, gels and polymers contained within the particle, with subsequent release of the therapeutic materials in situ, methods of fabricating the particle by folding a 2D precursor into the 3D particle, and the use of the particle in in-vivo or in-vitro applications The particle can be in any polyhedral shape and its surfaces can have either no perforations or nano/microscale perforations The particle is coated with a biocompatible metal, e g gold, or polymer e g parvlene, layer and the surfaces and hinges of the particle are made of any metal or polymer combinations.Type: GrantFiled: June 25, 2007Date of Patent: August 21, 2012Assignee: Johns Hopkins UniversityInventors: David H. Gracias, Timothy Gar-Ming Leong, Hongke Ye
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Patent number: 8246995Abstract: Methods and materials for delivering biologically active molecules to cells in vitro or in vivo are provided. The methods and materials use carbon nanotubes or other hydrophobic particles, tubes and wires, functionalized with a linking group that is covalently bound to the nanotubes, or, alternatively, to the biologically active molecule, such as a protein. The biologically active molecule is preferably released from the nanotube when the complex has been taken up in an endosome.Type: GrantFiled: May 9, 2006Date of Patent: August 21, 2012Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Hongjie Dai, Nadine Wong Shi Kam, Paul A. Wender, Zhuang Liu
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Patent number: 8246968Abstract: The present invention generally relates to polymers and macromolecules, in particular, to polymers useful in particles such as nanoparticles. One aspect of the invention is directed to a method of developing nanoparticles with desired properties. In one set of embodiments, the method includes producing libraries of nanoparticles having highly controlled properties, which can be formed by mixing together two or more macromolecules in different ratios. One or more of the macromolecules may be a polymeric conjugate of a moiety to a biocompatible polymer. In some cases, the nanoparticle may contain a drug. Other aspects of the invention are directed to methods using nanoparticle libraries.Type: GrantFiled: March 31, 2008Date of Patent: August 21, 2012Assignee: Bind Biosciences, Inc.Inventors: Stephen E. Zale, Mir Mukkaram Ali
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Publication number: 20120208023Abstract: Particles are bioactivated by attaching bioactivation peptides to the particle surface. The bioactivation peptides are peptide-based compounds that impart one or more biologically important functions to the particles. Each bioactivation peptide includes a molecular or surface recognition part that binds with the surface of the particle and one or more functional parts. The surface recognition part includes an amino-end and a carboxy-end and is composed of one or more hydrophobic spacers and one or more binding clusters. The functional part(s) is attached to the surface recognition part at the amino-end and/or said carboxy-end.Type: ApplicationFiled: June 24, 2011Publication date: August 16, 2012Applicant: The Regents of the University of CaliforniaInventors: Fabien Pinaud, David King, Shimon Weiss
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Publication number: 20120208851Abstract: Colloidal suspensions comprising a therapeutic agent and squalene. Squalene binds to certain compounds, such as gacyclidine, much more tightly than other drug carriers, such as polylactic glycolic acid. Including squalene in the particulate phase sequesters the therapeutic agent and provides superior stability at room or body temperature.Type: ApplicationFiled: June 18, 2009Publication date: August 16, 2012Applicant: NEUROSYSTEC CORPORATIONInventors: John Vinton Schloss, Thomas Jay Lobl
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Publication number: 20120207758Abstract: Provided herein are CD22?E12 polynucleotides and polypeptides, as well as diagnostic compositions and methods for identifying patients suffering from B-cell disorders such as leukemias, and particularly for identifying aggressive disease. Use of the disclosed association of specific CD22?E12 gene and polypeptide mutants with specific disease and prognosis also provides new targeted therapies for the associated disorders.Type: ApplicationFiled: September 12, 2011Publication date: August 16, 2012Inventor: Fatih M. Uckun
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Publication number: 20120207681Abstract: The present invention is a chemical composition to detect and treat amyloid in a patient's brain or a retina, that include a nanoparticle or a Nano biopolymer delivery platform to deliver any combination of gadolinium, one or more contrast agents, one or more therapeutics and curcumin to mark said amyloid and a polymalic acid scaffold.Type: ApplicationFiled: December 6, 2011Publication date: August 16, 2012Inventor: Steven Verdooner
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Publication number: 20120207840Abstract: This invention relates to a transdermal delivery system for treating skin related diseases employing protein nanoparticles to deliver drugs to the keratinocytes and basal membrane cells for the treatment of non-melanoma skin cancer. The current invention presents an effective method for delivering small molecule nucleic acids to the epidermal cells.Type: ApplicationFiled: January 17, 2012Publication date: August 16, 2012Applicant: Aura Biosciences, Inc.Inventor: Elisabet de los Pinos
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Publication number: 20120208742Abstract: This invention describes a protein nanoparticle system for targeting siRNA or other drugs into tumors. The basis of the protein system is elastin-like peptides that self-assemble once exposed to the nucleic acid of the siRNA. Specific targeting peptides are fused to the core ELP structure by standard genetic engineering techniques. These targeting peptides confer specific binding of the nanoparticle to receptors on the surface of tumor cells and allow for uptake of the nanoparticle into the tumor cells.Type: ApplicationFiled: November 1, 2011Publication date: August 16, 2012Applicant: NANOONCOLOGYInventors: Thomas Primiano, Bey-Dih Chang, Jeremy Heidel
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Publication number: 20120207809Abstract: Methods and systems are described for a rapid and sustainable change in the pigment melanin content of melanocytes of the iris stroma, thereby to change the color of the eye. Also described are compositions for lightening or darkening the pigmented tissues or treating a pigmented tissue disease.Type: ApplicationFiled: November 30, 2011Publication date: August 16, 2012Inventor: Kambiz Thomas Moazed
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Publication number: 20120207845Abstract: The invention relates to a method for treating disorders or diseases of a tight junction comprising delivering a pharmaceutical composition of nanoparticles to the tight junction, wherein the nanoparticles consist of positively charged chitosan, a negatively charged substrate, optionally a zero-charge compound, and at least one bioactive agent for treating said disorders or diseases of the tight junction of an animal subject.Type: ApplicationFiled: April 23, 2012Publication date: August 16, 2012Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu