Patents Represented by Attorney Yankwich & Associates
  • Patent number: 8349797
    Abstract: The present invention is directed to a compound according to formula, (R2R3)-B1-A1-c(A2-A3-A4-A5-A6-A7-A8-A9)-A10-A11-A12-A13-B2-B3-R1, that act as ligands for one or more of the melanocortin receptors, the pharmaceutically-acceptable salts thereof, to methods of using such peptides to treat mammals and to pharmaceutical compositions useful therefore comprising said peptides.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: January 8, 2013
    Assignee: IPSEN Pharma S.A.S.
    Inventors: Zheng Xin Dong, Jacques-Pierre Moreau
  • Patent number: 8324386
    Abstract: Disclosed is a series of somatostatin-dopamine chimeric analogs which retain both somatostatin and dopamine activity in vivo. An example is: 6-n-propyl-8?-ergolinglmethylthioacetyl-D-Phe-c(Cys-Tyr-D-Trp-Lys-Abu-Cys)-Thr-NH2.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: December 4, 2012
    Assignee: IPSEN Pharma S.A.S.
    Inventors: Michael D. Culler, Zheng Xin Dong, Sun H. Kim, Jacques-Pierre Moreau
  • Patent number: 8299022
    Abstract: The invention comprises peptidyl analogs of ghrelin having greater stability which are active at the GHS receptor according to formulae depicted below: (R2)-A1-A2-A3-A4-A5-A6-A7-A8-A9-A10-A11-A12-A13-A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25-A26-A27-A28-R1 wherein the definitions of A1 to A28, R1 and R2 are provided for in the specification, with the exception that the N-terminal amino acid must be selected from the group consisting of Inp, 1-Apc and 4-Apc, the pharmaceutically acceptable salts thereof and pharmaceutical compositions comprising an effective amount of said compound together with therapeutic and non-therapeutic uses thereof.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: October 30, 2012
    Assignee: IPSEN Pharma S.A.S.
    Inventor: Zheng Xin Dong
  • Patent number: 8258094
    Abstract: The invention comprises peptidyl analogs according to formulae (I) or (II) as depicted below: (R2R3)-A1-A2-A3-A4-A5-A6-A7-A8-A9-A10-A11-A12-A13- A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25- A-26-A27-A28-R1 wherein the definitions of A1 to A28 and R1 to R3 are provided for in the specification for each of formulae (I) and (II), pharmaceutically acceptable salts thereof and pharmaceutical compositions comprising an effective amount of a compound of formula (I), that possess agonist or antagonist ghrelin activity, along with therapeutic and non-therapeutic uses thereof.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: September 4, 2012
    Assignee: IPSEN Pharma S.A.S.
    Inventors: Zheng Xin Dong, Michael DeWitt Culler, Yeelana Shen, Jeanne Mary Comstock
  • Patent number: 8236762
    Abstract: The invention features targeted cytotoxic compounds and methods relating to their therapeutic use for the treatment of neoplasia and other conditions.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: August 7, 2012
    Assignee: IPSEN Pharma S.A.S.
    Inventors: Zheng Xin Dong, Yeelana Shen, Michael DeWitt Culler, Christophe Alain Thurieau, Jundong Zhang, Sun Hyuk Kim
  • Patent number: 8178651
    Abstract: Disclosed is a series of somatostatin-dopamine chimeric analogs which retain both somatostatin and dopamine activity in vivo. An example is: 6-n-propyl-8?-ergolinglmethylthioacetyl-D-Phe-c(Cys-Tyr-D-Trp-Lys-Abu-Cys)-Thr-NH2.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: May 15, 2012
    Assignee: IPSEN Pharma, S.A.S.
    Inventors: Michael D. Culler, Zheng Xin Dong, Sun H. Kim, Jacques-Pierre Moreau
  • Patent number: 8138218
    Abstract: A family of peptides and peptidomimetic compounds useful as GHS analogs according to either formula (I) or (II) as depicted below: or a pharmaceutically acceptable salts thereof, wherein the variables are as defined in the specification.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: March 20, 2012
    Assignee: Ipsen Pharma S.A.S.
    Inventors: Zheng Xin Dong, John S. Eynon, Yeelana Shen
  • Patent number: 8076281
    Abstract: A method and pharmaceutical composition for inhibiting the effect of glucocorticoids, particularly dexamethasone, which suppress growth hormone secretion, by administering ghrelin or a ghrelin analogue, for example, [Aib2, Glu3(NH-hexyl)]hGhrelin(1-28)-NH2 (SEQ ID NO:2) or other suitable ghrelin agonist, to counteract the catabolic effects of said dexamethasone and other natural glucocorticoids.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: December 13, 2011
    Assignee: IPSEN Pharma, S.A.S.
    Inventors: Giovanni Tulipano, Andrea Giustina, Zheng Xin Dong, Michael DeWitt Culler
  • Patent number: 8039435
    Abstract: The present invention is directed to compounds according to formula, (R2R3)-A1-c(A2-A3-A4-A5-A6-A7-A8-A9)-A10-R1, and pharmaceutically-acceptable salts thereof that act as ligands for one or more of the melanocortin receptors, to methods of using such compounds to treat mammals and to pharmaceutical compositions comprising said compounds.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: October 18, 2011
    Assignee: Ipsen Pharma S.A.S.
    Inventors: Zheng Xin Dong, Jacques-Pierre Moreau
  • Patent number: 7932231
    Abstract: The present invention relates to a method of treating a transient impairment of the motility of the gastrointestinal system resulting from postoperative ileus in a patient wherein said method includes the step of administering a therapeutically effective amount of a peptidyl analog of ghrelin to said patient.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: April 26, 2011
    Assignee: IPSEN Pharma, S.A.S.
    Inventors: Rakesh Datta, Zheng Xin Dong
  • Patent number: 7897566
    Abstract: Disclosed are peptide analogues of glucagon-like peptide-1, the pharmaceutically-acceptable salts thereof, methods of using such analogues to treat mammals and pharmaceutical compositions useful therefor comprising said analogues.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: March 1, 2011
    Assignee: Ipsen Pharma S.A.S.
    Inventor: Zheng Xin Dong
  • Patent number: 7811989
    Abstract: The invention provides analogs of PYY. The invention also provides compositions and methods useful for controlling biological activities such as cell proliferation, nutrient transport, lipolysis, and intestinal water and electrolyte secretion.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: October 12, 2010
    Assignee: Ipsen Pharma S.A.S.
    Inventor: Zheng Xin Dong
  • Patent number: 7589058
    Abstract: The invention comprises peptidyl analogs that possess agonist or antagonist ghrelin activity, along with therapeutic and non-therapeutic uses thereof.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: September 15, 2009
    Assignee: Ipsen Pharma, S.A.S.
    Inventors: Zheng Xin Dong, Yeelena Shen
  • Patent number: 7579435
    Abstract: Disclosed is a series of somatostatin-dopamine chimeric analogs which retain both somatostatin and dopamine activity in vivo. An example is: 6-n-propyl-8?-ergolinglmethylthioacetyl-D-Phe-c-(Cys-Tyr-D-Trp-Lys-Abu-Cys)-Thr-NH2.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: August 25, 2009
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques, S.A.S.
    Inventors: Michael D. Culler, Zheng Xin Dong, Sun H. Kim, Jacques-Pierre Moreau
  • Patent number: 7572883
    Abstract: Disclosed is a series of somatostatin-dopamine chimeric analogs which retain both somatostatin and dopamine activity in vivo.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: August 11, 2009
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques, S.A.S.
    Inventors: Michael D. Culler, Zheng Xin Dong, Sun H. Kim, Jacques-Pierre Moreau
  • Patent number: 7517853
    Abstract: The invention features somatostatin-dopamine chimeric analogs and methods relating to their therapeutic use for the treatment of neoplasia, acromegaly, and other conditions.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: April 14, 2009
    Assignee: Ipsen Pharma S.A.S.
    Inventors: Zheng Xin Dong, Michael DeWitt Culler, Yeelena Shen
  • Patent number: 7456253
    Abstract: Disclosed are peptide and peptidomimetic compounds generally according to formula (I), and pharmaceutically acceptable salts thereof, that are useful as GHRP analogs: R1-A2-A3-A4-A5-R2 (I) or a pharmaceutically acceptable salt thereof, wherein: A1 is Aib, Apc or Inp; A2 is D-Bal, D-Bip, D-Bpa, D-Dip, D-1Nal, D-2Nal, D-Ser(Bzl), or D-Trp; A3 is D-Bal, D-Bip, D-Bpa, D-Dip, D-1Nal, D-2Nal, D-Ser(Bzl), or D-Trp; A4 is 2Fua, Om, 2Pal, 3Pal, 4Pal, Pff, Phe, Pim, Taz, 2Thi, 3Thi, Thr(Bzl); A5 is Apc, Dab, Dap, Lys, Orn, or deleted; R1 is hydrogen, (C1-6)alkyl, (C5-14)aryl, (C1-6)alkyl(C5-14)aryl, (C3-8)cycloakyl, or (C2-10)acyl; and R2 is OH or NH2; and pharmaceutical compositions and methods of use thereof.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: November 25, 2008
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques, SAS
    Inventor: Zheng Xin Dong
  • Patent number: 7321034
    Abstract: The invention relates to a process for the depolymerization of glycosaminoglycanes characterized by the use of electron beam radiation, optionally in the presence of an organic compound selected from the group consisting of ethers, alcohols, aldehydes, amides and formic acid. The invention also relates to the intermediate depolymerized heparin obtained by the process. The intermediate depolymerized heparin can be dissolved in a buffer solution and fractionated by gel permeation for obtaining the desired molecular weight.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: January 22, 2008
    Assignee: Laboratori Derivati Organici S.p.A.
    Inventors: Luigi De Ambrosi, Nicola Iannaccone, Sergio Gonella, Elena Vismara, Solitario Nesti, Giangiaocomo Torri
  • Patent number: 7312304
    Abstract: Claimed are a series of somatostatin agonists and uses thereof, according to formula (I), A1-cyclo[Cys-A2-D-Trp-A3-A4-Cys]-A5-Y1, ??(I) wherein A1, A2, A3, A4, A5 and Y1 are as defined in specification provided that the amine nitrogen of at least one peptide bond is substituted with a methyl group or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: December 25, 2007
    Assignee: The Administrators of the Tulane Educational Fund
    Inventors: David H. Coy, Walajapet G. Rajeswaran
  • Patent number: 7241737
    Abstract: The present invention is directed to a novel class of cyclic polypeptides of the formula: (R1)a-AA1-cyclo[AA2-AA3-AA4-AA5-AA6-Cys]-AA7-R2, pharmaceutically acceptable salts thereof, wherein the variables are as defined in the specification, which inhibit the effects of urotensin-II and are useful for treating a variety of diseases and/or conditions characterized by an excess of urotensin-II including ischaemic heart disease, congestive heart failure, portal hypertension, variceal bleeding, hypotension, angina pectoris, myocardial infarction, ulcers, anxiety, schizophrenia, manic depression, delirium, dementia, mental retardation and/or dyskinesias.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: July 10, 2007
    Assignees: Societe de Conseils de Recherches et d'Applications Scientifiques, SAS, The Administrators of the Tulane Educational Fund
    Inventors: David H. Coy, Wojciech J. Rossowski, John E. Taylor