Lipid Particle Patents (Class 977/797)
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Patent number: 11478897Abstract: A blasting processing method using shot media. A particle diameter distribution of the shot media before forming an operating mix is bimodal and substantially continuous, and both a first particle group corresponding to a first peak and a second particle group corresponding to a second peak are aggregates of particles in a shape having an angular part.Type: GrantFiled: January 18, 2019Date of Patent: October 25, 2022Assignee: SINTOKOGIO, LTD.Inventors: Hayato Taniguchi, Yuto Kato
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Patent number: 8753541Abstract: The molecule is prepared by capping phospholipid on a single gold nanoparticle (GNP). Since the thiol-related molecule bounded on GNP shows the characteristic of surface-enhanced Raman scattering (SERS), the phospholipid-capped gold nanoparticle (PLGNP) can be formed as a nanoprobe applied on the detection device integrating optics and chemistry and used in the fields of biomedicine, medical diagnosis and environment for detecting, such as solutions containing salts or proteins.Type: GrantFiled: August 16, 2010Date of Patent: June 17, 2014Assignee: National Tsing Hua UniversityInventors: Ja-An Ho, Si-Han Chen
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Patent number: 8715736Abstract: Methods and formulations for treating a condition of the skin by delivering therapeutic formulations to the skin that translocates active substances across the stratum corneum barrier to a targeted skin tissue. The methods and formulations comprise active substances encapsulated within surface modified nanostructured lipid carrier nanoparticles.Type: GrantFiled: April 30, 2009Date of Patent: May 6, 2014Assignee: Florida Agricultural and Mechanical UniversityInventors: Mandip Singh Sachdeva, Ram Patlolla
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Patent number: 8709379Abstract: Formulations of neutral retinoids, in particular fenretinide (HPR) in the form of lipid nanoparticles, solid dispersions and emulsions are disclosed. These compositions are used to treat diseases that are amenable to treatment by HPR, such as neoplastic diseases by achieving higher and more prolonged concentrations of HPR in the subject. The key steps for preparing lipid nanovesicles of HPR include mixing and sonication, sterile filtration, without or without lyophilization for long-term stable storage, and employ processes and materials that are scalable from the laboratory to the manufacturing level. The formulation are suitable for injection into human or animal patients without causing allergic or hypersensitivity responses by avoiding chemical surfactants and animal sources of phospholipids in their manufacture.Type: GrantFiled: March 29, 2007Date of Patent: April 29, 2014Assignee: Scitech Development, LLCInventors: Ralph E. Parchment, Bhaskara R. Jasti, Ramesh R. Boinpally, Stephen E. Rose, Earle T. Holsapple
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Patent number: 8652487Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising B cell and/or MHC Class II-restricted epitopes and immunosuppressants in order to generate tolerogenic immune responses, such as the generation of antigen-specific regulatory B cells.Type: GrantFiled: April 27, 2012Date of Patent: February 18, 2014Assignee: Selecta Biosciences, Inc.Inventor: Roberto A. Maldonado
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Patent number: 8623414Abstract: A composition comprising a lipid and copolymer of styrene and maleic acid, wherein the copolymer of styrene and maleic acid is non-alternating, and wherein the polymer and lipid are in the form of macromolecular assemblies.Type: GrantFiled: May 31, 2006Date of Patent: January 7, 2014Assignee: Malvren Cosmeceutics LimitedInventor: Stephen Tonge
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Patent number: 8597678Abstract: Nanolipidic Particles (NLPs) having average mean diameters of 1 nm to 20 nm are made from a precursor solution. NLPs can be loaded with a desired passenger molecule. Assemblies of these particles, called NLP assemblies, result in a vehicle population of a desired size. Single application or multifunction NLP assemblies are made from the loaded NLPs and range in size from about 30 to about 200 nm. A method of using preloaded NLPs to make larger carrier vehicles or a mixed population provides increased encapsulation efficiency. NLPs have application in the cosmetics, pharmaceutical, and food and beverage industries.Type: GrantFiled: December 22, 2006Date of Patent: December 3, 2013Assignee: Dermazone Solutions, Inc.Inventor: Michael W. Fountain
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Patent number: 8491928Abstract: Compositions and nanoemulsions containing lipid nanocapsules dispersed in a hydrophilic phase, such nanocapsules including at least one avermectin compound, are useful for the treatment of dermatological pathologies, e.g., rosacea.Type: GrantFiled: October 9, 2012Date of Patent: July 23, 2013Assignee: Galderma S.A.Inventors: Claire Mallard, Lara Baudonnet
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Patent number: 8481691Abstract: The present invention relates to a method for selectively extracting membrane proteins using at least one calixarene of formula (I). The use of calixarenes in the method according to the invention enables the selective solubilization of the membrane proteins while preserving the three-dimensional structure that is essential to the enzymatic activity thereof.Type: GrantFiled: May 28, 2009Date of Patent: July 9, 2013Assignees: Centre National de la Recherche Scientifique—CNRS, Universite Claude Bernard de Lyon 1Inventors: Anthony W. Coleman, Cyrille Mbemba, Pierre Falson, Rima Matar, Frederic Huche
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Patent number: 8466122Abstract: The present invention provides compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel cationic lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo. The compositions of the present invention are highly potent, thereby allowing effective knock-down of a specific target protein at relatively low doses. In addition, the compositions and methods of the present invention are less toxic and provide a greater therapeutic index compared to compositions and methods previously known in the art.Type: GrantFiled: September 16, 2011Date of Patent: June 18, 2013Assignee: Protiva Biotherapeutics, Inc.Inventors: James Heyes, Mark Wood, Alan Martin
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Publication number: 20130121917Abstract: The present invention provides a conjugate having a peptide with from about 10 to about 100 amino acids, wherein the peptide adopts a helical structure. The conjugate also includes a first polymer covalently linked to the peptide, and a hydrophobic moiety covalently linked to the N-terminus of the peptide, wherein the hydrophobic moiety comprises a second polymer or a lipid moiety. The present invention also provides helix bundles form by self-assembling the conjugates, and particles formed by self-assembling the helix bundles. Methods of preparing the helix bundles and particles are also provided.Type: ApplicationFiled: September 11, 2012Publication date: May 16, 2013Applicant: Lawrence Berkeley National LaboratoryInventors: Ting Xu, He Dong, Jessica Shu
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Publication number: 20130102898Abstract: A liposome comprising elastin-like polypeptides, a pharmaceutical composition comprising the liposome, and a method of delivering active agents to a target site using the liposome.Type: ApplicationFiled: October 19, 2012Publication date: April 25, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Samsung Electronics Co., Ltd.
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Publication number: 20130102993Abstract: A liposome including an elastin-like polypeptide (ELP) and a tumor cell targeting material, a pharmaceutical composition including the liposome, and a method of delivering an active agent to a target site using the liposome.Type: ApplicationFiled: September 10, 2012Publication date: April 25, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min Sang KIM, Hyun Ryoung KIM, Jae Chan PARK, Su Young CHAE, Sang Joon PARK
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Patent number: 8410260Abstract: Novel double-stranded RNA oligonucleotides are useful for decreasing tyrosinase expression, have cosmetic and/or pharmaceutical applications, for example are useful skin depigmenting or anti-browning agents, and can be associated with cationic particles less than or equal to 1 ?m in size, having a zeta potential of from 10 to 80 mV.Type: GrantFiled: October 15, 2008Date of Patent: April 2, 2013Assignee: L'OrealInventors: Christine Collin-Djangone, Jean-Thierry Simonnet
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Publication number: 20130059009Abstract: Disclosed are antigen-specific induced tolerogenic dendritic cells (itDCs) that are produced from combining itDCs with antigen in particulate form, as well as related compositions and methods.Type: ApplicationFiled: April 27, 2012Publication date: March 7, 2013Applicant: Selecta Biosciences, Inc.Inventors: Takashi Kei Kishimoto, Roberto A. Maldonado, Christopher Fraser, David H. Altreuter
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Publication number: 20130039974Abstract: The present invention is directed to antibodies binding to the MUC1 cytoplasmic domain and methods of using such antibodies to treat, diagnose, detect and monitor cancers that express the MUC1 antigen.Type: ApplicationFiled: August 10, 2012Publication date: February 14, 2013Inventors: Donald W. Kufe, Surender Kharbanda
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Publication number: 20130034612Abstract: Compositions and nanoemulsions containing lipid nanocapsules dispersed in a hydrophilic phase, such nanocapsules including at least one avermectin compound, are useful for the treatment of dermatological pathologies, e.g., rosacea.Type: ApplicationFiled: October 9, 2012Publication date: February 7, 2013Applicant: GALDERMA S.A.Inventor: Galderma S.A.
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Publication number: 20130028959Abstract: Formulations for preventing the sexual transmission of the HIV virus are provided. In one embodiment, the formulations contain un-conjugated liposomes whose physicochemical properties allow binding to the HIV virus. The liposomes are made up of natural or synthetic lipids, alone or in combination. Preferably, the liposomes are made entirely of cardiolipin. In other embodiments the liposomes are modified to contain Hgands which bind HIV. The method for preventing the sexual transmission of the HIV virus includes self-administration of a formulation containing an effective amount of liposomes which bind to the HIV virus to the surface of a mucosal membrane prior to intercourse.Type: ApplicationFiled: December 16, 2010Publication date: January 31, 2013Applicants: Massachusetts Institute of Technology, Children's Medical Center CorporationInventors: Nikita Kiran Malavia, Daniel S. Kohane
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THERAPEUTIC COMPOSITIONS AND METHODS FOR DELIVERY OF ACTIVE AGENTS CLEAVABLY LINKED TO NANOPARTICLES
Publication number: 20130004523Abstract: Various embodiments of the present invention pertain to therapeutic compositions that comprise: (1) an active agent (e.g., paclitaxel); and (2) a nanoparticle (e.g., gold nanoparticle). In such embodiments, the active agent is covalently linked to the nanoparticle through a cleavable linker (e.g., a linker containing a hydrazone species). Other embodiments of the present invention pertain to methods of treating a condition in a subject by administering the above-described therapeutic compositions to the subject.Type: ApplicationFiled: December 9, 2010Publication date: January 3, 2013Applicant: William Marsh Rice UniversityInventors: Eugene Zubarev, Jacob Gibson -
Publication number: 20120321683Abstract: The aim of the invention is to preserve the morphology of bicelles in high-water-content environments. For this purpose, the invention relates to a liposome comprising, in its internal aqueous medium, at least one bicelle. The bicelles concentration in said aqueous means is between 5 and 25% dry weight in relation to the end liposome. The invention also relates to the use of said liposomes for the encapsulation of active principles, as well as to the use thereof as a medicament or to produce a cosmetic product. The invention further relates to the method for obtaining said liposomes.Type: ApplicationFiled: February 28, 2011Publication date: December 20, 2012Inventors: Alfons De La Maza Rivera, Lucyana Barbosa, Olga López Serrano, Mercedes Cocera Núñez, Gelen Rodríguez Delgado, Laia Rubio Toledano, Ana María Planas Obradors, Guadalupe Soria Rodríguez
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Patent number: 8323696Abstract: Nanoparticles that activate complement in the absence of biological molecules are described. The nanoparticles are shown to specifically target antigen presenting cells in specifically in lymph nodes, without the use of a biological molecule for targeting. These particles are useful vehicles for delivering immunotherapeutics. Surface chemistries and chemical formulations for the nanoparticles are described.Type: GrantFiled: August 29, 2008Date of Patent: December 4, 2012Assignee: Ecole Polytechnique Federale de LausanneInventors: Jeffrey A. Hubbell, Conlin P. O'Neil, Sai T. Reddy, Melody A. Swartz, Diana Velluto, André van der Vlies, Eleonora Simeoni
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Publication number: 20120294888Abstract: Disclosed are synthetic nanocarrier compositions, and related methods, comprising immunosuppressants and MHC Class II-restricted epitopes of an allergen that provide tolerogenic immune responses specific to the allergen.Type: ApplicationFiled: April 27, 2012Publication date: November 22, 2012Applicant: Selecta Biosciences, Inc.Inventors: Takashi Kei Kishimoto, Christopher Fraser, Roberto A. Maldonado
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Patent number: 8303992Abstract: A method of producing a dried formulation for an active substance such as a drug compound is described. The method involves dispersing a discontinuous phase (e.g. an oil-based or lipidic medium) comprising the active substance into a continuous phase (e.g. water) so as to form a two-phase liquid system comprising droplets of said discontinuous phase, allowing nanoparticles to congregate at the phase interface at the surface of the droplets such that at least one layer of nanoparticles coat the droplets and thereby provide sufficient structural integrity to the droplets to enable the subsequent removal of the continuous phase, and thereafter removing the continuous phase from the nanoparticle-coated droplets to produce a dried formulation.Type: GrantFiled: October 12, 2010Date of Patent: November 6, 2012Assignee: University of South AustraliaInventors: Clive Allan Prestidge, Spomenka Simovic
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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: 20120276159Abstract: This invention relates, at least in part, to compositions comprising synthetic nanocarriers and immunosuppressants that result in immune suppressive effects. Such compositions can further comprise antigen and provide antigen-specific tolerogenic immune responses.Type: ApplicationFiled: April 27, 2012Publication date: November 1, 2012Applicant: Selecta Biosciences, Inc.Inventors: Christopher Fraser, Grayson B. Lipford, Christopher J. Roy, Roberto A. Maldonado
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Publication number: 20120276133Abstract: Disclosed are synthetic nanocarrier methods, and related compositions, comprising B cell and/or MHC Class II-restricted epitopes and immunosuppressants in order to generate tolerogenic immune responses, such as the generation of antigen-specific regulatory B cells.Type: ApplicationFiled: April 27, 2012Publication date: November 1, 2012Applicant: Selecta Biosciences, Inc.Inventor: Roberto A. Maldonado
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Publication number: 20120276158Abstract: Disclosed are synthetic nanocarrier compositions, and related methods, comprising MHC Class I-restricted and/or MHC Class II-restricted epitopes associated with undesired CD8+ T cell responses and immunosuppressants that provide tolerogenic immune responses against antigens that comprise the epitopes.Type: ApplicationFiled: April 27, 2012Publication date: November 1, 2012Applicant: Selecta Biosciences, Inc.Inventors: Christopher Fraser, Takashi Kei Kishimoto, Roberto A. Maldonado
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Patent number: 8283333Abstract: The present invention provides novel, serum-stable lipid particles comprising one or more active agents or therapeutic agents, methods of making the lipid particles, and methods of delivering and/or administering the lipid particles. More particularly, the present invention provides serum-stable nucleic acid-lipid particles (SNALP) comprising a nucleic acid (e.g., one or more interfering RNA molecules), methods of making the SNALP, and methods of delivering and/or administering the SNALP (e.g., for the treatment of cancer). In particular embodiments, the present invention provides tumor-directed lipid particles that preferentially target solid tumors. The tumor-directed formulations of the present invention are capable of preferentially delivering a payload such as a nucleic acid to cells of solid tumors compared to non-cancerous cells.Type: GrantFiled: June 30, 2010Date of Patent: October 9, 2012Assignee: Protiva Biotherapeutics, Inc.Inventors: Ed Yaworski, Stephen Reid, James Heyes, Adam Judge, Ian MacLachlan
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Publication number: 20120195940Abstract: Nanolipidic Particles (NLPs) having average mean diameters of 1 nm to 20 nm are made from a precursor solution. NLPs can be loaded with a desired passenger molecule. Assemblies of these particles, called NLP assemblies, result in a vehicle population of a desired size. Single application or multifunction NLP assemblies are made from the loaded NLPs and range in size from about 30 to about 200 nm. A method of using preloaded NLPs to make larger carrier vehicles or a mixed population provides increased encapsulation efficiency. NLPs have application in the cosmetics, pharmaceutical, and food and beverage industries.Type: ApplicationFiled: April 10, 2012Publication date: August 2, 2012Applicant: DERMAZONE SOLUTIONS INC.Inventor: Michael W. Fountain
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Publication number: 20120189677Abstract: A formulation comprising botulinum toxin (BT), lipid and surfactant, characterised in that the lipid and surfactant are in the form of macromolecular assemblies of less than 100 nm in diameter. The surfactant may have an HLB number of less than 20.Type: ApplicationFiled: January 20, 2012Publication date: July 26, 2012Inventors: Stephen TONGE, Andrew HARPER
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Publication number: 20120164189Abstract: This invention provides a method for inducing immune tolerance toward an antigen comprising the antigen in lipidic particles or lipidic compositions. The lipidic particles are made up of phosphatidylserine and phosphatidylcholine, or phosphatidylinositol and phosphatidylcholine. The lipidic compositions comprise the antigen and O-phospho-L-serine. Administration of these composition results in inducing immune tolerance to the antigen.Type: ApplicationFiled: July 7, 2010Publication date: June 28, 2012Inventors: Sathy V. Balu-Iyer, Puneet Rajeev Gaitonde, Richard Bankert
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Publication number: 20120121689Abstract: A liposomal siRNA composition is described. The liposomes are formed of neutral liposome forming components, and the composition comprising additionally sugar. The composition provides reduced expression of target gene, without causing systemic toxicity. The composition is produced by a dehydration-rehydration technique to provide high yields and good control of liposome size.Type: ApplicationFiled: November 9, 2009Publication date: May 17, 2012Applicant: Lipoxen Technologies LimitedInventors: Andrew David Bacon, Peter Laing, Gregory Gregoriadis
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Publication number: 20120121670Abstract: The present invention relates to a system for administering active ingredients comprising nanocapsules with a diameter less than 1 ?m comprising a polyarginine salt, a negative phospholipid and an oil. The invention also relates to methods for obtaining said nanocapsule system, the pharmaceutical and cosmetic compositions thereof, as well as the use thereof in medicine, particularly in the preparation of a drug for treating cancer.Type: ApplicationFiled: April 22, 2010Publication date: May 17, 2012Inventors: Victoria Lozano López, José Alonso Fernández, Dolores Torres López
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Publication number: 20120093718Abstract: Formulations of neutral retinoids, in particular fenretinide (HPR) in the form of lipid nanoparticles, solid dipersions and emulsions are disclosed. These compositions are used to treat diseases that are amenable to treatment by HPR, such as neoplastic diseases by achieving higher and more prolonged concentrations of HPR in the subject. The key steps for preparing lipid nanovesicles of HPR include mixing and sonication, sterile filtration, without or without lyophilization for long-term stable storage, and employ processes and materials that are scalable from the laboratory to the manufacturing level. The formulation are suitable for injection into human or animal patients without causing allergic or hypersensitivity responses by avoiding chemical surfactants and animal sources of phospholipids in their manufacture.Type: ApplicationFiled: March 29, 2007Publication date: April 19, 2012Applicants: SCITECH DEVELOPMENT, LLC, WAYNE STATE UNIVERSITYInventors: Ralph E. Parchment, Bhaskara R. Jasti, Ramesh R. Boinpally, Stephen E. Rose, Earle T. Holsapple
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Publication number: 20120082616Abstract: The present invention provides targeted delivery compositions and their methods of use in treating and diagnosing a disease state in a subject.Type: ApplicationFiled: September 23, 2011Publication date: April 5, 2012Applicant: Mallinckrodt LLCInventors: Bobby N. Trawick, Todd A. Osiek, James R. Wheatley, JR.
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Publication number: 20120070498Abstract: The present invention is concerned with the formation of submicron particles of an antineoplastic agent, particularly paclitaxel, by precipitating the antineoplastic agent in an aqueous medium to form a pre-suspension followed by homogenization. Surfactants with phospholipids conjugated with a water soluble or hydrophilic polymer such as PEG are used as coating for the particles. The particles produced generally have an average particle size of less than about 1000 nm and are not rapidly soluble.Type: ApplicationFiled: September 23, 2011Publication date: March 22, 2012Applicants: Baxter Healthcare S.A., BAXTER INTERNATIONAL INC.Inventors: Mahesh V. Chaubal, Jane Werling, Barrett Rabinow
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Publication number: 20120058153Abstract: This invention relates to compositions and methods that can be used immunize a subject against influenza. Generally, the compositions and methods include polypeptides obtained or derived from human influenza A virus hemagglutinin.Type: ApplicationFiled: August 19, 2011Publication date: March 8, 2012Applicant: Selecta Biosciences, Inc.Inventors: Petr Ilyinskii, Yun Gao, Grayson B. Lipford
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Publication number: 20120052099Abstract: The invention relates to the fields of medicine and pharmacology and concerns a storage-stable composition made up of nanoparticles which are based on vegetable phospholipids and contain the antiviral drug Arbidol. The aim of the present invention is to develop a non-fatty phospholipid composition of Arbidol in which the micellar and liposomal particles have an average diameter of 8-25 nm, and which has low toxicity, can be stored for long periods and is capable of transporting the medicinal agent in the body and ensuring the high bioaccessibility of the agent. This aim is achieved by a phospholipid composition of Arbidol in the form of phospholipid nanoparticles with a size of 8-25 nm, which contains phosphatidylcholine, maltose and Arbidol in the following component ratio: 20-43 mass % phosphatidylcholine; 55-78 mass % maltose; 2-8 mass % Arbidol.Type: ApplicationFiled: April 7, 2010Publication date: March 1, 2012Inventors: Alexandr Ivanovich Archakov, Mariya Kirillovna Guseva, Vasily Fedorovich Uchaykin, Olga Mikhaylovna Ipatova, Yury Fedorovich Dochshitsin, Yelena Georgiyevna Tikhonova, Natalya Velorikovna Medvedeva, Vladimir Nikolayevich Prozorovsky, Oksana Sergeevna Strekalova, Alexandr Vladimirovich Shironin
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Publication number: 20120034294Abstract: Liposomes of constrained particle size are prepared by substantially continuously mixing substantially continuously flowing streams of water, and of an organic solvent contain lipid(s) capable of forming liposomes, and cooling the mixture so liposomes form, the ratio of the flow rate of the stream of water to the flow rate of the stream of organic solvent, and the rate of cooling of said mixture, being controlled so as to obtain a preparation of liposomes such that at least about 90% of the liposomes are of a particle size less than about 200 nm.Type: ApplicationFiled: December 17, 2009Publication date: February 9, 2012Applicant: ONCOTHYREON, INC.Inventors: Robert A. Dupuit, William J. Reilley
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Publication number: 20120021044Abstract: The present invention provides a novel cationic lipid, a preparation method of the same and a delivery system comprising the same. The cationic lipid of the present invention is used for the preparation of delivery systems of nucleic acids or physiologically active anionic proteins. The cationic lipid of the present invention can be conveniently prepared and purified by a simple process and is therefore economically highly advantageous for industrial-scale production thereof. Further, a nucleic acid or protein delivery system comprising the cationic lipid of the present invention not only significantly improves the intracellular delivery efficiency of desired nucleic acid drugs (such as DNAs, RNAs, siRNAs, antisense oligonucleotides, and nucleic acid aptamers) or anionic proteins having physiological activity, but also is usefully used to augment therapeutic efficacy of nucleic acid or protein drugs due to attenuated cytotoxicity of the delivery system.Type: ApplicationFiled: August 20, 2008Publication date: January 26, 2012Applicants: SNU R&DB FOUNDATION, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Yu-Kyoung Oh, Min-Sung Suh, Hye-Jeong Shin, Ga Yong Shim
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Publication number: 20110311442Abstract: A lipid vesicle comprising a phospholipid which is a stable vesicle former and at least one unstable vesicle forming member, wherein the unstable vesicle forming member is selected from the group consisting of a polar lipid which is not a stable vesicle former, a PEG, a raft former and a fusion protein is provided. The vesicle can further comprise a biomolecule, such as for example ATP. Methods of using the vesicle for delivery of biomolecules are also provided.Type: ApplicationFiled: June 17, 2011Publication date: December 22, 2011Applicant: UNIVERSITY OF LOUISVILLE RESEARCH FOUNDATION, INC.Inventors: William D. Ehringer, Sufan Chien
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Publication number: 20110305769Abstract: The present invention is directed to cationic lipid for the delivery of oligonucleotides and methods of modulating an expression of a targeted gene using the nanoparticle compositions. In particular, the invention relates to cholesterol and its derivatives having multiple positively charged moieties via branching spacers, and nanoparticle compositions of oligonucleotides encapsulated in a mixture of a cationic lipid, a fusogenic lipid and a PEG lipid.Type: ApplicationFiled: July 31, 2009Publication date: December 15, 2011Applicant: ENZON PHARMACEUTICALS, INC.Inventors: Hong Zhao, Weili Yan, Lianjun Shi, Dechun Wu
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Patent number: 8067011Abstract: The present invention provides a targeted multi-layered drug delivery system for the delivery of cytotoxic agents to B-cells.Type: GrantFiled: April 9, 2007Date of Patent: November 29, 2011Assignee: Chimeros, Inc.Inventors: Claude Geoffrey Davis, Miguel A. de los Rios, Kenneth J. Oh, Timothy L. Bullock, Patrick T. Johnson, Jacek Ostrowski
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Publication number: 20110269731Abstract: The present invention relates to a complex made up of at least one beta-lactam molecule covalently bonded to at least one hydrocarbon radical including at least 18 carbon atoms and containing at least one unit of 2-methyl-buta-2-ene, to nanoparticles of said complexes, and to a method for preparing same, said complex and/or said nanoparticles optionally being in the form of a lyophilisate. The present invention also relates to a pharmaceutical composition including at least said complex and/or said nanoparticles. The invention finally relates to said complex and/or to said nanoparticles for the treatment and/or prevention of bacterial infections, in particular caused by strains that are sensitive to beta-lactams.Type: ApplicationFiled: October 28, 2009Publication date: November 3, 2011Inventors: Patrick Couvreur, Didier Demaele, Fatima Zouhiri
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Publication number: 20110269830Abstract: The present invention relates to a complex made up of at least one molecule of statin or a derivative thereof, covalently bonded to at least one hydrocarbon radical including at least 18 carbon atoms and containing at least one 2-methyl-buta-2-ene unit, to nanoparticles of such a complex, and to a method for preparing same, said complex and/or said nanoparticles optionally being in the form of a lyophilisate. The present invention also relates to a pharmaceutical composition including at least one complex and/or nanoparticles such as previously defined. The invention finally relates to said complex and/or to said nanoparticles for the treatment and/or prevention of hyperlipemia and hypercholesterolemia.Type: ApplicationFiled: October 28, 2009Publication date: November 3, 2011Inventors: Patrick Couvreur, Didier Desmaele, Fat'ma Zouhiri, Reddy Harivardhan Lakkireddy
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Publication number: 20110236957Abstract: Compositions and methods for labeling biological targets using a conjugate of a luminescent component and a targeting molecule attached to a nanoparticle core structure are described. The labeling conjugates offer high intensity and low background, and are ideal for histology and pathology.Type: ApplicationFiled: October 2, 2009Publication date: September 29, 2011Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventor: Kevin C. Weng
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Publication number: 20110229581Abstract: The present invention is directed to releasable cationic lipids and nanoparticle compositions for the delivery of nucleic acids and methods of modulating an expression of a target gene using the same. In particular, the invention relates to cationic lipids including an acid labile linker, and nanoparticle compositions containing the same.Type: ApplicationFiled: November 17, 2009Publication date: September 22, 2011Applicant: ENZON PHARMACEUTICALS, INC.Inventors: Hong Zhao, Weili Yan, Lianjun Shi, Dechun Wu, Maksim Royzen
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Publication number: 20110182973Abstract: The invention relates to polymerase inhibitors, particularly polymerase alpha inhibitors, and the use thereof in the treatment of cell growth disorders, particularly tumor disorders, preferably actinic keratoses, basal cell carcinomas, and/or spinocellular carcinomas.Type: ApplicationFiled: May 13, 2008Publication date: July 28, 2011Applicants: FREIE UNIVERSITAET BERLIN, HEINRICH-HEINE-UNIVERSITAET DUESSELDORFInventors: Monika Schaefer-Korting, Hans-Dieter Hoeltje
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Patent number: 7964196Abstract: A self-assembling nanoparticle drug delivery system for the delivery of drugs including peptides, proteins, nucleic acids or synthetic chemical drugs is provided. The self-assembling nanoparticle drug delivery system described herein includes viral capsid proteins, such as Hepatitis B Virus core protein, encapsulating the drug, a lipid bi-layer envelope and targeting or facilitating molecules anchored in the lipid bilayer. A method for construction of the self-assembling nanocparticle drug delivery system is also provided.Type: GrantFiled: May 25, 2005Date of Patent: June 21, 2011Assignee: Chimeros, Inc.Inventors: Miguel de los Rios, Kenneth J. Oh
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Publication number: 20110144314Abstract: The present invention relates to a method for selectively extracting membrane proteins using at least one calixarene of formula (I). The use of calixarenes in the method according to the invention enables the selective solubilization of the membrane proteins while preserving the three-dimensional structure that is essential to the enzymatic activity thereof.Type: ApplicationFiled: May 28, 2009Publication date: June 16, 2011Applicants: Centre National De La Recherche Scientifique CNRS, Universite Claude Bernard De Lyon 1Inventors: Anthony William Coleman, Cyrille Mbemba, Pierre Falson, Rima Matar, Frédéric Huché