Patents Assigned to Syntex (U.S.A.) Inc.
  • Patent number: 5874434
    Abstract: 10,11-Methanodibenzosuberane derivatives, i.e., the compounds of Formula I: ##STR1## wherein: A is --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CHR.sup.a --CH.sub.2 --, or --CH.sub.2 --CHR.sup.a --CHR.sup.b --CH.sub.2 --, where one of R.sup.a or R.sup.b is H, OH, or lower acyloxy, and the other is H;R.sup.1 is H, F, Cl or Br;R.sup.2 is H, F, Cl or Br; andR.sup.3 is heteroaryl or phenyl optionally substuted with F, Cl, Br, CF.sub.3, CN, NO.sub.2 or OCHF.sub.2 ;and the pharmaceutically acceptable salts thereof, are useful chemosensitizing agents, e.g., for cancer chemotherapy, particularly for treating multidrug resistance.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: February 23, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jurg R. Pfister, Doris L. Slate
  • Patent number: 5872113
    Abstract: Fluorinated Vitamin D.sub.3 analogs, intermediates for their preparation, compositions comprising the analogs and methods of treatment of osteoporosis and related conditions with these and related analogs are provided.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: February 16, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Jr., Percy S. Manchand, Milan R. Uskokovic, Brian H. Vickery
  • Patent number: 5863924
    Abstract: The disclosed pyrimidine derivatives, and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, in particular use as selective 5HT.sub.2B -antagonists. The invention is also directed to formulations and methods for treatment.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: January 26, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jacob Berger, Lee Allen Flippin, Robert Greenhouse, Saul Jaime-Figueroa, Yanzhou Liu, Aubry Kern Miller, David George Putman, Klaus Kurt Weinhardt, Shu-Hai Zhao
  • Patent number: 5859014
    Abstract: Compounds of Formula I: ##STR1## where R.sup.5 is a group selected from Formulae (a), (b), (c) and (d): ##STR2## and the pharmaceutically acceptable salts and N-oxides thereof, are .alpha..sub.1 -adrenergic receptor antagonists useful for the treatment of diseases involving directly or indirectly an obstruction of the lower urinary tract, such as benign prostatic hyperplasia.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: January 12, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Gary W. Bantle, Todd R. Elworthy, Angel Guzman, Saul Jaime-Figueroa, Francisco J. Lopez-Tapia, David J. Morgans, Jr., Arturo Perez-Medrano, Jurg R. Pfister, Eric B. Sjogren, Francisco X. Talamas
  • Patent number: 5856481
    Abstract: The L-monovaline ester derived from 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol and its pharmaceutically acceptable salts are of value as antiviral agents with improved absorption.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: January 5, 1999
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John Joseph Nestor, Hans Maag
  • Patent number: 5840890
    Abstract: Process and novel intermediates for preparing the mono-L-valine ester of 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol ganciclovir) and its pharmaceutically acceptable salts. The present process and monoester intermediates provide for mono-esterification by an L-valine derivative, resulting in a monocarboxylate-monovalinate which is then selectively hydrolyzed under basic or enzymatic conditions to give the monovaline ester of ganciclovir in high yield and purity. These products are of value as antiviral agents with improved absorption.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: November 24, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Humberto B. Arzeno, Eric R. Humphreys, Jim-Wah Wong, Christopher R. Roberts
  • Patent number: 5840891
    Abstract: The L-monovaline ester derived from 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol and its pharmaceutically acceptable salts are of value as antiviral agents with improved absorption.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: November 24, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Jr., Hans Maag
  • Patent number: 5840837
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: November 24, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Teresa H. Ho
  • Patent number: 5824794
    Abstract: This invention relates to a human stromelysin-1 (i.e., HSL-1) promoter and uses therefor. In particular, the invention provides a purified DNA containing a functional HSL-1 promoter region that corresponds in structure to the native genomic form of this promoter, an expression vector containing a portion of the purified promoter DNA operatively linked to a heterologous DNA sequence encoding a detectable gene product, a host cell transformed with this factor , a pharmacologic screening assay for stromelysin-1 promoter modulating activity, and a method of modulating TNF .alpha. level and matrix metalloproteinase activities in inflamed tissues of a mammal.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: October 20, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Paula Ann Borden, Renu Anand Heller
  • Patent number: 5821225
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of corticosteroid induced osteopenia in mammals.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 13, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: Brian H. Vickery
  • Patent number: 5807823
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: September 15, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Brian H. Vickery
  • Patent number: 5798225
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: August 25, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Teresa H. Ho, Brian H. Vickery, Chinh T. Bach
  • Patent number: 5789216
    Abstract: One aspect of the present invention is a purified human GMP synthetase and a method of purifying it from naturally occurring sources. Another aspect of the present invention is a recombinant human GMP synthetase as well as DNA sequences coding for human GMP synthetase, expression vectors comprising such a coding sequence, and host cells transformed with these expression vectors capable of producing human GMP synthetase. Also forming part of this invention is a recombinant process for the production of GMP synthetase. Further provided is a method of purifying GMP synthetase from natural or recombinant sources. Other aspects of the invention include antibodies to human GMP synthetase and the use of such antibodies to assay for human GMP synthetase. Another aspect of this invention is the use of purified naturally occurring human GMP synthetase or recombinant human GMP synthetase to identify inhibitors of GMP synthetase activity.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: August 4, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Lillian Lien-Li Lou, Jimmy Wayne Barnett
  • Patent number: 5783179
    Abstract: Compounds having immunomodulatory activity comprising the optionally modified dodecapeptide fragment A-(SEQ ID No: 1)-B corresponding to residues 174 to 185 of C-reactive protein (CRP), pharmaceutical compositions thereof, and methods of treating cancer with the compositions. Liposomal formulations containing the CRP-peptide fragment are particularly efficacious when administered in conjunction with interleukin-2.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: July 21, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Jr., Teresa H. Ho, Deborah A. Eppstein, Philip L. Felgner, Barbara P. Barna, Sharad D. Deodhar
  • Patent number: 5773428
    Abstract: Compounds of formula (I): ##STR1## as single stereoisomers or mixtures thereof and their pharmaceutically acceptable salts inhibit matrix metalloproteases, such as interstitial collagenases, and are useful in the treatment of mammals having disease states alleviated by the inhibition of such matrix metalloproteases, for example arthritic diseases or bone resorption diseases, such as osteoporosis.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: June 30, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Arlindo Lucas Castelhano, Teng Jiam Liak, Stephen Horne, Alexander Krantz, Zhengyu Yuan, Jian Jeffrey Chen, Paul David Cannon, Hal Van Wart
  • Patent number: 5767082
    Abstract: Synthetic nona- and decapeptide LHRH antagonist analogs are disclosed, having a sterically hindered guanidino-substituted arginyl or homoarginyl residue at position 8, with no arginyl substituent at position 6.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: June 16, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John J. Nestor, Jr., Brian H. Vickery
  • Patent number: 5763458
    Abstract: The present invention relates to novel 5-HT.sub.4 receptor ligands which are 1-(5-halo-4-aminophenyl) (C.sub.2-6)alkan-1-one derivatives in which the 5-halo-4-aminophenyl group is substituted at its 2-position with (C.sub.1-4)alkyloxy or phenyl(C.sub.1-4)alkyloxy and optionally substituted at its 3-position with (C.sub.1-4)alkyloxy or substituted at its 2- and 3-positions together with methylenedioxy or ethylenedioxy and the highest numbered carbon of the (C.sub.2-6)alkan-1-one is substituted with di(C.sub.1-4)alkylamino, morpholin-1-yl or pyrrolidin-1-yl or optionally substituted piperidin-1-yl, piperidin-4-yl, azacyclohept-1-yl, azabicyclo?2.2.1!hept-3-yl, azabicylo?2.2.2!oct-3-yl or azabicylo?3.2.2!non-3-yl; and the pharmaceutically acceptable salts, individual isomers and mixtures of isomers and methods of using and making such derivatives.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: June 9, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin Douglas Clark, Richard Malcolm Eglen, John Otis Gardner, Alam Jahangir, Aaron Bayne Miller
  • Patent number: 5759583
    Abstract: This invention provides a sustained release composition comprising a PLGA matrix, a bioactive agent, and a quaternary ammonium surfactant, in which the release profile of the bioactive agent from the PLGA matrix is controlled by the concentration of the quaternary ammonium surfactant.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: June 2, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Taro Iwamoto, Akio Kimura, Takehiko Ohyama, Yasuyuki Takahashi
  • Patent number: 5756736
    Abstract: Process for preparing the L-monovaline ester of 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol and its pharmaceutically acceptable salts. The present process provides an N,O-bis-trityl intermediate of 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol which allows for mono-esterification by an L-valine derivative. These products are of value as antiviral agents with improved absorption.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: May 26, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Humberto B. Arzeno, Eric R. Humphreys
  • Patent number: 5753663
    Abstract: The disclosed pyrimidine derivatives, and pharmaceutically acceptable salts thereof, exhibit useful pharmacological properties, in particular use as 5HT.sub.2C - antagonists. The invention is also directed to formulations and methods for treatment.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: May 19, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Lee Allen Flippin, Gabriel Stone Weatherhead