Patents Assigned to Salix Pharmaceuticals, Inc.
  • Patent number: 9273066
    Abstract: The present invention relates to Rifaximin polymorphic forms, to their use in medicinal preparations and to therapeutic methods using them.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: March 1, 2016
    Assignee: Salix Pharmaceuticals, Inc.
    Inventors: Karen S. Gushurst, Donglai Yang, Petinka Vlahova, Jeffrey S. Stults
  • Patent number: 9273063
    Abstract: A process is described which enables Rifaximin in a completely amorphous form to be obtained. Said process comprises the steps of dissolving crude Rifaximin in absolute ethanol while hot and then collecting after precipitation by—cooling the title compound under amorphous form.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: March 1, 2016
    Assignee: Salix Pharmaceuticals, Inc.
    Inventors: Emilio Vecchio, Roberta Pizzocaro
  • Patent number: 9192616
    Abstract: A method of increasing the bioavailability of balsalazide by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of balsalazide in a suitable container and associated with printed labeling which describes the increased bioavailability of the medication in the container when taken with food.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: November 24, 2015
    Assignee: Salix Pharmaceuticals, Inc.
    Inventor: Lorin Johnson
  • Patent number: 9035046
    Abstract: 25-desacetyl rifaximin or a pharmaceutically acceptable salt thereof is provided. Methods of treatment of bowl related disorders using isolated and/or purified 25-desacetyl rifaximin or a pharmaceutically acceptable salt thereof are also provided.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: May 19, 2015
    Assignees: Salix Pharmaceuticals, Inc., Alfa Wassermann, S.P.A.
    Inventors: Pam Golden, Mohammed A. Kabir, Giuseppe Claudio Viscomi, Manuela Campana, Donatella Confortini, Miriam Barbanti
  • Patent number: 9034892
    Abstract: The present invention relates to Rifaximin polymorphic, salt, hydrate, and amorphous forms, to their use in medicinal preparations and to therapeutic methods using them.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: May 19, 2015
    Assignee: Salix Pharmaceuticals, Inc.
    Inventors: Karen S. Gushurst, Donglai Yang, Petinka Vlahova, Jeffrey S. Stults
  • Patent number: 8921344
    Abstract: A method of increasing the bioavailability of 5-aminosalicylate compound by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of 5-aminosalicylate compound in a suitable container and associated with printed labeling which describes the increased bioavailability of the medication in the container when taken with food.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: December 30, 2014
    Assignee: Salix Pharmaceuticals, Inc.
    Inventor: Lorin Johnson
  • Publication number: 20140349982
    Abstract: Provided herein are methods of treating and inducing ulcerative colitis in a subject. Also provided are methods of treating subjects with mild to moderate active ulcerative colitis, including ulcerative proctitis and proctosigmoiditis. Also provided are methods of administering budesonide to a subject to treat ulcerative colitis, including ulcerative proctitis and proctosigmoiditis.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 27, 2014
    Applicant: Salix Pharmaceuticals, Inc.
    Inventors: William Forbes, Enoch Bortey, Craig Paterson, Pam Golden
  • Patent number: 8507009
    Abstract: This invention relates to novel colonic purgative compositions in a solid dosage form, comprising at least one purgative and at least one soluble, or soluble, nonfermentable binder, such as polyethylene glycol. Further, this invention relates to methods of using the colonic purgative compositions. The present compositions and methods are designed to improve patient tolerance and compliance, while at the same time improving the quality of bowel cleansing. The formulations and methods of this invention are particularly useful to cleanse the bowel prior to diagnostic and surgical procedures and can also be employed in lower dosages as a laxative to promote elimination and/or to relieve constipation.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: August 13, 2013
    Assignee: Salix Pharmaceuticals, Inc.
    Inventors: Stephen Skiendzielewski, Martin Rose, Ngoc Do
  • Publication number: 20130065862
    Abstract: A method of increasing the bioavailability of balsalazide by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of balsalazide in a suitable container and associated with printed labeling which describes the increased bioavailability of the medication in the container when taken with food.
    Type: Application
    Filed: April 4, 2012
    Publication date: March 14, 2013
    Applicant: Salix Pharmaceuticals, Inc.
    Inventor: Lorin Johnson
  • Publication number: 20090252788
    Abstract: The invention relates to formulations and dosage schedules of balsalazide. The invention further relates to methods of producing pharmaceutical formulations of balsalazide.
    Type: Application
    Filed: February 22, 2008
    Publication date: October 8, 2009
    Applicant: Salix Pharmaceuticals, Inc.
    Inventors: Joseph Lockhart, Brock Swanson, Lorin Johnson
  • Publication number: 20080306029
    Abstract: The present invention provides a new method of ameliorating and/or treating enteritis induced by radiation therapy, alone or in combination with other therapies, for the treatment of, for example, gastrointestinal malignancies, including colorectal, appendiceal, anal, or small bowel cancers; urogenital malignancies, including prostate, ladder, testicular, or penile cancers; gynecologic malignancies, including cervical, endometrial, ovarian, vaginal, or vulvar cancers; or osteogenic and other sarcomatous malignancies in which pelvic structures are involved, comprising the administration of a therapeutically effective amount of balsalazide to a patient in need thereof.
    Type: Application
    Filed: May 27, 2005
    Publication date: December 11, 2008
    Applicant: Salix Pharmaceuticals, Inc.
    Inventors: Doug Bettenhausen, Christopher Jahraus
  • Patent number: 7452872
    Abstract: A method of increasing the bioavailability of balsalazide by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of balsalazide in a suitable container and associated with printed labeling which describes the increased bioavailability of the medication in the container when taken with food.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: November 18, 2008
    Assignee: Salix Pharmaceuticals, Inc.
    Inventor: Lorin Johnson
  • Publication number: 20080260682
    Abstract: This invention relates to novel colonic purgative compositions of polyethylene glycol having an average molecular weight of at least 1,000 or at least 4,000. Further, this invention relates to methods of using the colonic purgative compositions. The formulations and methods of this invention are particularly useful to cleanse the bowel prior to diagnostic and surgical procedures and can also be employed in lower dosages as a laxative to promote elimination and/or to relieve constipation.
    Type: Application
    Filed: November 2, 2007
    Publication date: October 23, 2008
    Applicant: Salix Pharmaceuticals, Inc.
    Inventors: Martin Rose, Robert Apple, Stephen Skiendzielewski
  • Publication number: 20080213393
    Abstract: This invention relates to novel colonic purgative compositions in a solid dosage form, comprising at least one purgative and at least one soluble, or soluble, nonfermentable binder, such as polyethylene glycol. Further, this invention relates to methods of using the colonic purgative compositions. The present compositions and methods are designed to improve patient tolerance and compliance, while at the same time improving the quality of bowel cleansing. The formulations and methods of this invention are particularly useful to cleanse the bowel prior to diagnostic and surgical procedures and can also be employed in lower dosages as a laxative to promote elimination and/or to relieve constipation.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 4, 2008
    Applicant: Salix Pharmaceuticals, Inc.
    Inventors: Stephen Skiendzielewski, Martin Rose, Ngoc Do
  • Publication number: 20080096849
    Abstract: A method of increasing the bioavailability of balsalazide by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of balsalazide in a suitable container and associated with printed labeling which describes the increased bioavailability of the medication in the container when taken with food.
    Type: Application
    Filed: October 23, 2007
    Publication date: April 24, 2008
    Applicant: Salix Pharmaceuticals, Inc.
    Inventor: Lorin Johnson
  • Publication number: 20070265232
    Abstract: A method of increasing the bioavailability of balsalazide by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of balsalazide in a suitable container and associated with printed labeling which describes the increased bioavailability of the medication in the container when taken with food.
    Type: Application
    Filed: August 8, 2007
    Publication date: November 15, 2007
    Applicant: SALIX PHARMACEUTICALS, INC.
    Inventor: Lorin Johnson
  • Patent number: 5905073
    Abstract: The present invention provides a method of colon cancer chemoprevention or chemotherapy comprising administering to an individual suffering from colon cancer or at risk to develop colon cancer a pharmaceutical composition comprising an effective amount of a 2-hydroxy-5-phenylazobenzoic acid derivative or an ester of an active metabolite or an oxidation product of an active metabolite thereof, or a pharmacologically acceptable salt of the 2-hydroxy-5-phenylazobenzoic acid derivative or an ester or an active metabolite or an oxidation product of an active matabolite thereof.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: May 18, 1999
    Assignee: Salix Pharmaceuticals, Inc.
    Inventors: Lorin K. Johnson, Marvin H. Sleisenger