Patents by Inventor Jia-Ai Zhang

Jia-Ai Zhang 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).

  • Publication number: 20180221285
    Abstract: Orally administerable deferasirox formulations are disclosed having reduced release under gastric conditions and fast release at near neutral pH or at neutral pH.
    Type: Application
    Filed: March 23, 2018
    Publication date: August 9, 2018
    Inventors: Indrajit Ghosh, Jia-Ai Zhang
  • Publication number: 20180071220
    Abstract: Orally administerable deferasirox formulations are disclosed having reduced release under gastric conditions and fast release at near neutral pH or at neutral pH.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 15, 2018
    Inventors: INDRAJIT GHOSH, JIA-AI ZHANG
  • Publication number: 20170290811
    Abstract: Orally administerable deferasirox formulations are disclosed having reduced release under gastric conditions and fast release at near neutral pH or at neutral pH.
    Type: Application
    Filed: June 16, 2017
    Publication date: October 12, 2017
    Inventors: Indrajit Ghosh, Jia-Ai Zhang
  • Publication number: 20160220493
    Abstract: Orally administerable deferasirox formulations are disclosed having reduced release under gastric conditions and fast release at near neutral pH or at neutral pH.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 4, 2016
    Applicant: NOVARTIS AG
    Inventors: Indrajit Ghosh, Jia-Ai Zhang
  • Patent number: 9283209
    Abstract: Orally administerable deferasirox formulations are disclosed having reduced release under gastric conditions and fast release at near neutral pH or at neutral pH.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: March 15, 2016
    Assignee: NOVARTIS AG
    Inventors: Indrajit Ghosh, Jia-Ai Zhang
  • Publication number: 20150017241
    Abstract: Orally administerable deferasirox formulations are disclosed having reduced release under gastric conditions and fast release at near neutral pH or at neutral pH.
    Type: Application
    Filed: March 6, 2014
    Publication date: January 15, 2015
    Applicant: NOVARTIS AG
    Inventors: Indrajit Ghosh, Jia-Ai Zhang
  • Patent number: 8298573
    Abstract: The invention provides a formulation of one or more antineoplastic drugs encapsulated in liposomes including at least a lipid fraction in addition to the antineoplastic drug, wherein the composition is stable in an aqueous solution at room temperature.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: October 30, 2012
    Inventors: Jia-Ai Zhang, Sydney Ugwu, Lan Ma, Gopal Anyarambhatla, Imran Ahmad
  • Publication number: 20100166843
    Abstract: The present invention relates to pharmaceutical compositions comprising a topoisomerase I inhibitor including, but not limited to, a camptothecin derivative.
    Type: Application
    Filed: January 30, 2008
    Publication date: July 1, 2010
    Applicant: SIGMA-TAU INDUSTRIE FARMACEUTICHE RIUNITE S.P.A.
    Inventors: Giancarlo Francese, Jörg Ogorka, Jia-ai Zhang
  • Publication number: 20080286352
    Abstract: A method of liposome-based therapy for a mammalian subject is disclosed. The method uses liposomes and/or liposomes with outer surfaces that contain an affinity moiety effective to bind specifically to a biological surface at which the therapy is aimed, and a hydrophilic polymer coating. The hydrophilic polymer coating is made up of polymer chains covalently linked to surface lipid components. After a desired liposome biodistribution is achieved, the affinity agent binds to the target surface and helps internalize the liposomes.
    Type: Application
    Filed: August 31, 2006
    Publication date: November 20, 2008
    Inventors: Saran Kumar, Wenlei Jiang, Jorg Ogorka, Jia-ai Zhang
  • Patent number: 7390502
    Abstract: The present invention is for novel compositions and methods for treating diseases caused by cellular proliferation, particularly, for treating cancer in mammals and more particularly in humans. The therapeutic compositions of the present invention include SN-38 lipid complexes in which the complexes can contain any of a variety of neutral or charged lipids and, desirably, cardiolipin. The compositions are capable of efficiently incorporating SN-38 into complexes and are capable of solubilizing relatively high concentrations of SN-38.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: June 24, 2008
    Assignee: NeoPharm, Inc.
    Inventors: Imran Ahmad, Jia-Ai Zhang, Aquilur Rahman
  • Publication number: 20060030578
    Abstract: Delivering therapeutic amounts of irinotecan remains limited due to its highly water insoluble properties. This invention overcomes this limitation by presenting a novel method of preparing liposomal irinotecan by first inactivating irinotecan prior to liposome formation and then subsequently activating the irinotecan by lowering the pH of the lipid composition to an acidic pH of less than about 3.5, such as between 1.5-3.0 or about 2.
    Type: Application
    Filed: July 8, 2005
    Publication date: February 9, 2006
    Applicant: NeoPharm, Inc.
    Inventors: Imran Ahmad, Jia-Ai Zhang
  • Publication number: 20060029658
    Abstract: The invention provides a formulation of one or more antineoplastic drugs encapsulated in liposomes including at least a lipid fraction in addition to the antineoplastic drug, wherein the composition is stable in an aqueous solution at room temperature.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 9, 2006
    Applicant: NeoPharm, Inc.
    Inventors: Jia-Ai Zhang, Sydney Ugwu, Lan Ma, Gopal Anyarambhatla, Imran Ahmad
  • Publication number: 20050249795
    Abstract: The present invention is for novel compositions and methods for treating cancer, particularly, for treating cancer in mammals and more particularly in humans. The therapeutic compositions of the present invention include liposome entrapped gemcitabine in which the liposome can contain any of a variety of neutral or charged liposome-forming compounds including cardiolipin.
    Type: Application
    Filed: February 22, 2005
    Publication date: November 10, 2005
    Applicant: NEOPHARM, INC.
    Inventors: Jia-Ai Zhang, Imran Ahmad
  • Publication number: 20050238706
    Abstract: SN38, camptothecin derivatives are poorly water soluble, highly lipophilic camptothecin derivatives and are very active against a variety of human cancers. Because of their very poor water solubility, SN38 has not been used to treat human patients with cancer due to the inability to administer sufficient quantities of dissolved in a pharmaceutical formulation. This invention overcomes these limitations by teaching novel pharmaceutically acceptable SN38 liposome complex formulation for the direct administration of the formulation to human patients with cancer. The claimed invention also describes the methods to prepare liposomal SN38 complexes and antitumor compositions of liposomal SN38 complexes to allow the administration in sufficient amounts to treat various types of cancer and as antiviral agents. This invention is also directed to injectable sterile solutions, antitumor compositions, liposomes.
    Type: Application
    Filed: February 18, 2005
    Publication date: October 27, 2005
    Applicant: NeoPharm, Inc.
    Inventors: Imran Ahmad, Jia-Ai Zhang
  • Publication number: 20040228911
    Abstract: The present invention is for novel compositions and methods for treating cancer, particularly, for treating cancer in mammals and more particularly in humans. The therapeutic compositions of the present invention include liposome entrapped vinorelbine in which the liposome can contain any of a variety of neutral or charged liposome-forming compounds and cardiolipin. The liposomes of the present invention can be either multilamellar vesicles or unilamellar vesicles, as desired.
    Type: Application
    Filed: February 24, 2004
    Publication date: November 18, 2004
    Applicant: NeoPharm, Inc.
    Inventors: Jia-Ai Zhang, Imran Ahmad
  • Publication number: 20030215492
    Abstract: The present invention is for novel compositions and methods for treating diseases caused by cellular proliferation, particularly, for treating cancer in mammals and more particularly in humans. The therapeutic compositions of the present invention include SN-38 lipid complexes in which the complexes can contain any of a variety of neutral or charged lipids and, desirably, cardiolipin. The compositions are capable of efficiently incorporating SN-38 into complexes and are capable of solubilizing relatively high concentrations of SN-38.
    Type: Application
    Filed: April 28, 2003
    Publication date: November 20, 2003
    Applicant: NeoPharm, Inc.
    Inventors: Imran Ahmad, Jia-Ai Zhang, Aquilur Rahman
  • Patent number: 5871751
    Abstract: A vaccine and method for treating fish susceptible to infection by Renibacterium salmoninarum is described. The vaccine comprises killed microorganisms that lack intact cell-surface-associated protein p57. The vaccine can be used in combination with additional materials, such as, without limitation, adjuvants, plasticizers, pharmaceutical excipients, antigens other than the cells lacking intact cell-surface-associated protein p57, diluents, carriers, binders, lubricants, glidants, aesthetic compounds, such as flavoring and coloring agents, and combinations thereof. The vaccine may be enteric-coated for oral delivery. The enteric coating generally comprises a polymer coating that is impervious to dissolution and/or degradation in the stomach, but is dissolved upon passing to the higher pH environments of the intestine. A preferred embodiment of the vaccine is made using spherical sugar microspheres.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: February 16, 1999
    Assignee: The State of Oregon Acting By and Through the State Board of Higher Education on Behalf of Oregon State University
    Inventors: John Mark Christensen, Steve Kaattari, Jon D. Piganelli, Gregory Wiens, Jia Ai Zhang