Patents by Inventor Ruxandra Draghia-Akli

Ruxandra Draghia-Akli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8188056
    Abstract: One aspect of the current invention is a method of preventing and/or treating arthritis and/or preventing or treating lameness in a subject. Additionally, subject quality of life and welfare, and body condition scores are improved by utilizing methodology that administers the nucleic acid expression construct encoding a GHRH or functional biological equivalent to a subject through a parenteral route of administration. Following a single dose of nucleic acid expression vector, subjects are healthier and effects are demonstrated long term without additional administration(s) of the expression construct.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: May 29, 2012
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Patricia A. Brown, David Hood
  • Patent number: 8178504
    Abstract: The present invention pertains to compositions and methods useful for treating anemia and other effects that are commonly associated in cancer bearing animals. The invention is accomplished by delivering an effective amount of a nucleic acid expression construct that encodes a GHRH or functional biological equivalent thereof into a tissue of an animal and allowing expression of the encoded gene in the animal.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: May 15, 2012
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern, Robert J. Schwartz, Glen King, Kevin Hahn, Malcolm K. Brenner
  • Publication number: 20120093863
    Abstract: Improved anti-HCV immunogens and nucleic acid molecules that encode them are disclosed. Immunogens disclosed include those having consensus HCV genotype 1a, including for example, NS4B, NS5A and NS5B. Pharmaceutical composition, recombinant vaccines comprising and live attenuated vaccines are disclosed as well methods of inducing an immune response in an individual against HCV are disclosed.
    Type: Application
    Filed: October 20, 2011
    Publication date: April 19, 2012
    Inventors: David B. WEINER, Krystle LANG, Jian YAN, Ruxandra DRAGHIA-AKLI, Amir S. KHAN
  • Patent number: 8133723
    Abstract: An aspect of the present invention is directed towards DNA plasmid vaccines capable of generating in a mammal an immune response against a plurality of influenza virus subtypes, comprising a DNA plasmid and a pharmaceutically acceptable excipient. The DNA plasmid is capable of expressing a consensus influenza antigen in a cell of the mammal in a quantity effective to elicit an immune response in the mammal, wherein the consensus influenza antigen comprises consensus hemagglutinin (HA), neuraminidase (NA), matrix protein, nucleoprotein, M2 ectodomain-nucleo-protein (M2e-NP), or a combination thereof. Preferably the consensus influenza antigen comprises HA, NA, M2e-NP, or a combination thereof. The DNA plasmid comprises a promoter operably linked to a coding sequence that encodes the consensus influenza antigen. Additionally, an aspect of the present invention includes methods of eliciting an immune response against a plurality of influenza virus subtypes in a mammal using the DNA plasmid vaccines provided.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: March 13, 2012
    Assignee: The Trustees of The University of Pennsylvania
    Inventors: Ruxandra Draghia-Akli, David B Weiner, Jian Yan, Dominick J Laddy
  • Publication number: 20120034256
    Abstract: Improved anti-HCV immunogens and nucleic acid molecules that encode them are disclosed. Immunogens disclosed include those having consensus HCV genotype 1 a/1 b NS3 and NS4A. Pharmaceutical composition, recombinant vaccines comprising and live attenuated vaccines are disclosed as well methods of inducing an immune response in an individual against HCV are disclosed.
    Type: Application
    Filed: October 29, 2008
    Publication date: February 9, 2012
    Inventors: David B. Weiner, Krystle A. Lang, Jian Yan, Ruxandra Draghia-Akli, Amir Khan
  • Publication number: 20110305664
    Abstract: An aspect of the present invention is directed towards DNA plasmid vaccines capable of generating in a mammal an immune response against a plurality of influenza virus subtypes, comprising a DNA plasmid and a pharmaceutically acceptable excipient. The DNA plasmid is capable of expressing a consensus influenza antigen in a cell of the mammal in a quantity effective to elicit an immune response in the mammal, wherein the consensus influenza antigen comprises consensus hemagglutinin (HA), neuraminidase (NA), matrix protein, nucleoprotein, M2 ectodomain-nucleo-protein (M2e-NP), or a combination thereof. Preferably the consensus influenza antigen comprises HA, NA, M2e-NP, or a combination thereof. The DNA plasmid comprises a promoter operably linked to a coding sequence that encodes the consensus influenza antigen. Additionally, an aspect of the present invention includes methods of eliciting an immune response against a plurality of influenza virus subtypes in a mammal using the DNA plasmid vaccines provided.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Inventors: Ruxandra Draghia-Akli, David B. Weiner, Jian Yan, Dominick Laddy
  • Patent number: 8058253
    Abstract: This invention is related to compositions and methods for decreasing cholesterol levels in a subject. The method utilizes a nucleic acid expression construct that encodes a growth-hormone-releasing-hormone (“GHRH”) that is delivered into a tissue of the subject, wherein, GHRH is expressed in vivo in the subject.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: November 15, 2011
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Amir S. Khan, Marta L. Fiorroto
  • Publication number: 20110070640
    Abstract: One aspect of the current invention is an optimized synthetic mammalian expression plasmid with a mutated origin of replication (e.g. “mut” family of plasmids) comprising a therapeutic element, and a replication element. The therapeutic elements of this plasmid are operatively linked and located in a first operatively-linked arrangement. Additionally, the optimized synthetic mammalian expression plasmid comprises replication elements, wherein the replication elements are operatively linked and located in a second operatively-linked arrangement. The first-operatively-linked arrangement and the second-operatively-linked arrangement comprise a circular structure of the codon optimized synthetic mammalian expression plasmid.
    Type: Application
    Filed: November 17, 2010
    Publication date: March 24, 2011
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventors: Ruxandra DRAGHIA-AKLI, Melissa POPE
  • Publication number: 20110034544
    Abstract: Compositions and kits comprising a nucleotide sequence that encodes GHRH and a nucleotide sequence that encodes GnRH and compositions and kits comprising a GHRH protein and GnRH protein are disclosed. Use of such compositions and kits in methods of enhancing fertility in mammals comprising the step of administering said compositions to the mammal are disclosed.
    Type: Application
    Filed: March 6, 2009
    Publication date: February 10, 2011
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventors: Ruxandra Draghia-Akli, Amir Khan, Patricia Brown
  • Patent number: 7846720
    Abstract: One aspect of the current invention is an optimized synthetic mammalian expression plasmid with a mutated origin of replication (e.g. “mut” family of plasmids). This new plasmid comprises a therapeutic element, and a replication element. The therapeutic element of the new plasmid comprises a eukaryotic promoter; a 5? untranslated region (“UTR”); a codon-optimized-eukaryotic therapeutic gene sequence; and a poly adenylation signal. The therapeutic elements of this plasmid are operatively linked and located in a first operatively-linked arrangement. Additionally, the optimized synthetic mammalian expression plasmid comprises replication elements, wherein the replication elements are operatively linked and located in a second operatively-linked arrangement. The replication elements comprise a selectable marker gene promoter, a ribosomal binding site, a selectable marker gene sequence, and an improved origin of replication.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 7, 2010
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Melissa Pope
  • Publication number: 20100247437
    Abstract: The present invention is directed towards materials and methods of delivering biomolecules to cells that define an organ, and the organ being in situ, and electroporating cells defining the organ by delivering to the cells an amount of energy effective to electroporate the cells. The present invention is also directed towards materials and methods of expressing heterologous polypeptides in organs of a subject and electroporating cells defining the organ by delivering to the cells an amount of energy effective to electroporate the cells.
    Type: Application
    Filed: September 24, 2008
    Publication date: September 30, 2010
    Applicant: VGX PHARMACEUTICALS, LLC
    Inventor: Ruxandra Draghia-Akli
  • Patent number: 7664545
    Abstract: The present invention relates to a modular electrode system, and its use, for facilitating the introduction of a macromolecule into cells of a selected tissue in a body or plant. The modular electrode system comprises a non-symmetrically arranged plurality of needle electrodes; a hypodermic needle; an electrical connector that provides a conductive link from a programmable constant-current pulse controller to the plurality of needle electrodes; and a power source. In a preferred embodiment of the present invention, an operator can grasp the plurality of needle electrodes that are mounted on a support structure and firmly insert the them into the selected tissue in a body or plant. The macromolecules are then delivered via the hypodermic needle into the selected tissue. The programmable constant-current pulse controller is activated and constant-current electrical pulse is applied to the plurality of needle electrodes.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: February 16, 2010
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Allan Westersten, William R. Wilkinson, Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern
  • Publication number: 20100010467
    Abstract: This invention is related to compositions and methods for decreasing cholesterol levels in a subject. The method utilizes a nucleic acid expression construct that encodes a growth-hormone-releasing-hormone (“GHRH”) that is delivered into a tissue of the subject, wherein, GHRH is expressed in vivo in the subject.
    Type: Application
    Filed: July 5, 2007
    Publication date: January 14, 2010
    Applicant: VGX PHARMACEUTICLAS, INC.
    Inventors: Ruxandra Draghia-Akli, Amir S. Khan, Marta L. Fiorroto
  • Publication number: 20090304627
    Abstract: The present invention relates to DNA vaccines that are capable of generating a protective immune response in mammals against a pox virus, and comprises at least one DNA plasmid capable of expressing a plurality of VACV MV antigens, and at least one DNA plasmid capable of expressing a plurality of VACV EV antigens. Also, the present invention relates to methods of inducing a protective immune response in a mammal to pox virus, including a neutralizing antibody response, comprising: injecting into tissue of said mammal said DNA vaccine.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 10, 2009
    Applicants: VGX PHARMACEUTICALS, INC., THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
    Inventors: Ruxandra Draghia-Akli, Jon Prigge, Niranjan Y. Sardesai, David B. Weiner, Lauren A. Hirao
  • Publication number: 20090292107
    Abstract: The present invention pertains to a method for decreasing the body fat proportion, increasing lean body mass (“LBM”), increasing bone density, or improving the rate of bone healing, or all, of a subject. Overall, the embodiments of the invention can be accomplished by delivering a heterologous nucleic acid sequence encoding GHRH or functional biological equivalent thereof into the cells of the subject and allowing expression of the encoded gene to occur while the modified cells are within the subject. For instance, when such a nucleic acid sequence is delivered into the specific cells of the subject tissue specific constitutive expression is achieved. Furthermore, external regulation of the GHRH or functional biological equivalent thereof gene can be accomplished by utilizing inducible promoters that are regulated by molecular switch molecules, which are given to the subject.
    Type: Application
    Filed: January 23, 2008
    Publication date: November 26, 2009
    Applicant: VGX PHARMACEUTICLAS, INC.
    Inventors: Ruxandra Draghia-Akli, Robert J. Schwartz
  • Publication number: 20090169505
    Abstract: An aspect of the present invention is directed towards DNA plasmid vaccines capable of generating in a mammal an immune response against a plurality of influenza virus subtypes, comprising a DNA plasmid and a pharmaceutically acceptable excipient. The DNA plasmid is capable of expressing a consensus influenza antigen in a cell of the mammal in a quantity effective to elicit an immune response in the mammal, wherein the consensus influenza antigen comprises consensus hemagglutinin (HA), neuraminidase (NA), matrix protein, nucleoprotein, M2 ectodomain-nucleo-protein (M2e-NP), or a combination thereof. Preferably the consensus influenza antigen comprises HA, NA, M2e-NP, or a combination thereof. The DNA plasmid comprises a promoter operably linked to a coding sequence that encodes the consensus influenza antigen. Additionally, an aspect of the present invention includes methods of eliciting an immune response against a plurality of influenza virus subtypes in a mammal using the DNA plasmid vaccines provided.
    Type: Application
    Filed: November 12, 2008
    Publication date: July 2, 2009
    Inventors: Ruxandra Draghia-Akli, David B. Weiner, Jian Yan, Dominick Laddy
  • Publication number: 20090170748
    Abstract: The present invention pertains to compositions and methods for plasmid-mediated supplementation. The compositions and methods are useful for treating anemia and other effects that are commonly associated in cancer bearing animals. Overall, the embodiments of the invention can be accomplished by delivering an effective amount of a nucleic acid expression construct that encodes a GHRH or functional biological equivalent thereof into a tissue of an animal and allowing expression of the encoded gene in the animal. For example, when such a nucleic acid sequence is delivered into the specific cells of the animal tissue specific constitutive expression is achieved.
    Type: Application
    Filed: March 21, 2007
    Publication date: July 2, 2009
    Applicants: Advisys, Inc., Baylor College of Medicine
    Inventors: Ruxandra Draghia-Akli, Robert H. Carpenter, Douglas R. Kern, Robert J. Schwartz, Glen King, Kevin Hahn, Malcolm K. Brenner
  • Publication number: 20090156787
    Abstract: There are provided methods of generating antibodies in a mammal against recombinant antigens using DNA plasmids capable of expressing said antigens in cells of said mammal, comprising: injecting into tissue of said mammal a DNA plasmid comprising an encoding sequence operably linked to a promoter, electroporating said tissue with an electroporation device capable of delivering an electrical pulse effective to electroporate cells of said tissue to allow entry of said DNA plasmid and expression of said antigen, and allowing said mammal to respond to said expressed antigen in order to generate antibodies to said antigen. Furthermore, there are provided methods of isolating antibodies specific against desired antigens wherein said antibodies are generated in a mammal using DNA plasmids capable of expressing said antigens.
    Type: Application
    Filed: November 14, 2008
    Publication date: June 18, 2009
    Applicant: VGX PHARMACEUTICALS, INC.
    Inventors: Ruxandra Draghia-Akli, Amir S. Khan
  • Patent number: 7517863
    Abstract: One aspect of the current invention is a method designing and using species-specific or synthetic signal peptides and GHRH sequences for the purpose of preventing and/or treating chronic illness in a subject by utilizing methodology that administers a single dose of nucleic acid expression vector or nucleic acid expression construct encoding a GHRH or functional biological equivalent to a subject through a parenteral route of administration.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: April 14, 2009
    Assignee: VGX Pharmaceuticals, Inc.
    Inventors: Ruxandra Draghia-Akli, Melissa Pope
  • Publication number: 20090004716
    Abstract: Large scale processes for producing high purity samples of biologically active molecules of interest from bacterial cells are disclosed. The methods comprise the steps of producing a lysate solution by contacting a cell suspension of said plurality of cells with lysis solution; neutralizing said lysate solution with a neutralizing solution to produce a dispersion that comprises neutralized lysate solution and debris; filtering the dispersion through at least one filter; performing ion exchange separation on said neutralized lysate solution to produce an ion exchange eluate; and performing hydrophobic interaction separation on said ion exchange eluate to produce a hydrophobic interaction solution. Further, provided are compositions comprising large scale amounts of plasmid DNA produced by the disclosed large scale processes.
    Type: Application
    Filed: May 23, 2008
    Publication date: January 1, 2009
    Applicant: VGX PHARMACEUTICLAS, INC.
    Inventors: Ruxandra Draghia-Akli, Henry Hebel, Ying Cai