Patents Assigned to Napo Pharmaceuticals, Inc.
  • Patent number: 11857510
    Abstract: Presented herein are methods and compositions for treating congenital diarrheal disorders (CDD). Methods comprise administering to a patient in need thereof, an effective amount of a proanthocyanidin polymer composition from C. lechleri, preferably crofelemer. Administration of the proanthocyanidin polymer composition addresses the secretory diarrhea and symptoms associated therewith caused by the CDD and can improve nutritional status, electrolyte balance, hydration, growth and development of the patient.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 2, 2024
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventors: Lisa A. Conte, Pravin R. Chaturvedi
  • Patent number: 11779564
    Abstract: Presented herein are methods for treating bile acid diarrhea, short bowel syndrome (SBS), and cholecystectomy-associated diarrhea by administering to a patient in need thereof, an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea. In particular embodiments, infants, and juveniles with SBS are treated with an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea. Treatment of diarrhea includes the treatment of the diarrhea as well as the pain, abdominal discomfort and other symptoms associated with diarrhea. In one embodiment, the inhibitor of chloride-ion transport is crofelemer.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: October 10, 2023
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventors: Lisa A. Conte, Pravin R. Chaturvedi, Charles Conte
  • Patent number: 11389424
    Abstract: Presented herein are methods for treating diarrhea by administering to a patient in need thereof, an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea. Treatment of diarrhea includes the treatment of the diarrhea as well as the pain, abdominal discomfort and other symptoms associated with diarrhea. In one embodiment, the inhibitor of chloride-ion transport is crofelemer.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: July 19, 2022
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventor: Lisa A. Conte
  • Patent number: 9987250
    Abstract: The present invention provides methods for preventing colon cancer by administering, to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to prevent colon cancer, which composition inhibits COX-2. The present invention also provides methods for treating inflammation locally in the intestines comprising administering to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat inflammation. In one embodiment, the polymeric proanthocyanidin compound is crofelemer. The present invention in alternative embodiments provides methods for treating pain locally in the intestines and treating inflammatory bowel diseases, such as Crohn's disease and ulcerative colitis, as well as for treating familial adenomatous polyposis (FAP).
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: June 5, 2018
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventor: Barry D. Quart
  • Patent number: 9980938
    Abstract: The present invention provides methods for treating diarrhea-predominant irritable bowel syndrome comprising administering to a patient in need thereof, an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea-predominant irritable bowel syndrome (d-IBS). Treatment of d-IBS includes the treatment of the diarrhea component of d-IBS as well as the pain, abdominal discomfort and other symptoms associated with d-IBS. In one embodiment, the inhibitor of chloride-ion transport is crofelemer.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: May 29, 2018
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventors: Barry D. Quart, David Rosenbaum, Thomas Neenan, Robert C. Blanks
  • Patent number: 9585868
    Abstract: Presented herein are methods for treating diarrhea by administering to a patient in need thereof, an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea. Treatment of diarrhea includes the treatment of the diarrhea as well as the pain, abdominal discomfort and other symptoms associated with diarrhea. In one embodiment, the inhibitor of chloride-ion transport is crofelemer.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: March 7, 2017
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventors: William Forbes, Enoch Bortey, Steven King, Pravin Chaturvedi
  • Patent number: 9314437
    Abstract: The present invention relates generally to compositions and methods for oral delivery of nordihydroguaiaretic acid (NDGA). More particularly, the present invention relates to pharmacologically optimized multimodal drug delivery systems for orally administered NDGA and methods for preparation and use thereof.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: April 19, 2016
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventor: Pravin R. Chaturvedi
  • Patent number: 9198879
    Abstract: The present invention relates generally to compositions and methods for oral delivery of nordihydroguaiaretic acid (NDGA). More particularly, the present invention relates to pharmacologically optimized multimodal drug delivery systems for orally administered NDGA and methods for preparation and use thereof.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: December 1, 2015
    Assignee: NAPO PHARMACEUTICALS, INC.
    Inventor: Pravin R. Chaturvedi
  • Patent number: 9138450
    Abstract: The present invention provides methods for treating constipation-predominant irritable bowel syndrome comprising administering to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat constipation-predominant irritable bowel syndrome (c-IBS). Treatment of c-IBS includes the treatment of the constipation component of c-IBS as well as the pain and abdominal discomfort associated with c-IBS. In one embodiment, the polymeric proanthocyanidin compound is crofelemer. The present invention in an alternative embodiment also provides methods for treating alternating constipation-predominant/diarrhea-predominant irritable bowel syndrome.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: September 22, 2015
    Assignee: Napo Pharmaceuticals, Inc.
    Inventors: Barry D. Quart, David P. Rosenbaum
  • Patent number: 8962680
    Abstract: Presented herein are methods for treating diarrhea by administering to a patient in need thereof, an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea. Treatment of diarrhea includes the treatment of the diarrhea as well as the pain, abdominal discomfort and other symptoms associated with diarrhea. In one embodiment, the inhibitor of chloride-ion transport is crofelemer.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: February 24, 2015
    Assignees: Salix Pharmaceuticals, Ltd., Napo Pharmaceuticals, Inc.
    Inventors: William Forbes, Enoch Bortey, Steven King, Pravin Chaturvedi
  • Patent number: 8852649
    Abstract: Methods for treating colon cancer include administering, to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat colon cancer, which composition inhibits COX-2. Methods for treating inflammation locally in the intestines comprise administering, to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat inflammation. In one embodiment, the polymeric proanthocyanidin compound is crofelemer.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: October 7, 2014
    Assignee: Napo Pharmaceuticals, Inc.
    Inventor: Barry D. Quart
  • Patent number: 8846113
    Abstract: The present invention provides methods for treating diarrhea-predominant irritable bowel syndrome comprising administering to a patient in need thereof, an inhibitor of chloride-ion transport in an amount sufficient to treat diarrhea-predominant irritable bowel syndrome (d-IBS). Treatment of d-IBS includes the treatment of the diarrhea component of d-IBS as well as the pain, abdominal discomfort and other symptoms associated with d-IBS. In one embodiment, the inhibitor of chloride-ion transport is crofelemer.
    Type: Grant
    Filed: November 25, 2011
    Date of Patent: September 30, 2014
    Assignee: Napo Pharmaceuticals, Inc.
    Inventors: Barry Quart, David Rosenbaum, Thomas Neenan, Robert Blanks
  • Publication number: 20130274346
    Abstract: The present invention relates generally to compositions and methods for oral delivery of nordihydroguaiaretic acid (NDGA). More particularly, the present invention relates to pharmacologically optimized multimodal drug delivery systems for orally administered NDGA and methods for preparation and use thereof.
    Type: Application
    Filed: June 6, 2013
    Publication date: October 17, 2013
    Applicant: NAPO PHARMACEUTICALS, INC.
    Inventor: Pravin R. CHATURVEDI
  • Publication number: 20130011478
    Abstract: The present invention relates generally to compositions and methods for oral delivery of nordihydroguaiaretic acid (NDGA). More particularly, the present invention relates to pharmacologically optimized multimodal drug delivery systems for orally administered NDGA and methods for preparation and use thereof.
    Type: Application
    Filed: April 23, 2012
    Publication date: January 10, 2013
    Applicant: NAPO PHARMACEUTICALS, INC.
    Inventor: Pravin R. CHATURVEDI
  • Publication number: 20120202876
    Abstract: Disclosed herein are methods of treating diseases including gastrointestinal disorders, such as secretory diarrheas, with the proanthocyanidin oligomer, crofelemer. Also disclosed is the anti-secretory effect of crofelemer on Calcium-activated chloride channels (CaCC) and Cystic fibrosis transmembrane conductance regulator (CFTR).
    Type: Application
    Filed: October 5, 2010
    Publication date: August 9, 2012
    Applicants: NAPO PHARMACEUTICALS, INC., REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Alan S. Verkman, Pravin Chaturvedi, Lukmanee Tradtrantip, Wan Namkung
  • Publication number: 20120128797
    Abstract: The present invention provides methods for treating constipation-predominant irritable bowel syndrome comprising administering to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat constipation-predominant irritable bowel syndrome (c-IBS). Treatment of c-IBS includes the treatment of the constipation component of c-IBS as well as the pain and abdominal discomfort associated with c-IBS. In one embodiment, the polymeric proanthocyanidin compound is crofelemer. The present invention in an alternative embodiment also provides methods for treating alternating constipation-predominant/diarrhea-predominant irritable bowel syndrome.
    Type: Application
    Filed: October 12, 2011
    Publication date: May 24, 2012
    Applicant: NAPO PHARMACEUTICALS, INC.
    Inventors: BARRY D. QUART, DAVID P. ROSENBAUM
  • Publication number: 20090238901
    Abstract: The present invention provides methods for treating constipation-predominant irritable bowel syndrome comprising administering to a patient in need thereof, a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat constipation-predominant irritable bowel syndrome (c-IBS). Treatment of c-IBS includes the treatment of the constipation component of c-IBS as well as the pain and abdominal discomfort associated with c-IBS. In one embodiment, the polymeric proanthocyanidin compound is crofelemer. The present invention in an alternative embodiment also provides methods for treating alternating constipation-predominant/diarrhea-predominant irritable bowel syndrome.
    Type: Application
    Filed: June 2, 2009
    Publication date: September 24, 2009
    Applicant: NAPO PHARMACEUTICALS, INC.
    Inventors: Barry D. Quart, David P. Rosenbaum
  • Patent number: 7556831
    Abstract: Methods for treating constipation-predominant irritable bowel syndrome comprise administering to a patient in need thereof a polymeric proanthocyanidin composition from a Croton species or Calophyllum species in an amount sufficient to treat constipation-predominant irritable bowel syndrome (c-IBS). Treatment of c-IBS includes the treatment of the constipation component of c-IBS as well as the pain and abdominal discomfort associated with c-IBS. In one embodiment, the polymeric proanthocyanidin compound is crofelemer. In addition, methods for treating alternating constipation-predominant/diarrhea-predominant irritable bowel syndrome are an alternative embodiment of the invention.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: July 7, 2009
    Assignee: Napo Pharmaceuticals, Inc.
    Inventors: Barry D. Quart, David P. Rosenbaum
  • Patent number: 7341744
    Abstract: Pharmaceutical compositions containing a proanthocyanidin polymer composition which are useful for the treatment and prevention of secretory diarrhea are provided. The invention specifically relates to pharmaceutical formulations of a proanthocyanidin polymer composition which has been isolated from a Croton spp. or a Calophyllum spp. In particular, the invention relates to a formulation of a proanthocyanidin polymer composition which protects the composition from the effects of stomach acid after oral administration, particularly to those formulations which are enteric coated. The invention also relates to methods of producing a directly compressible proanthocyanidin polymer composition, as well as compositions containing the directly compressible proanthocyanidin polymer composition.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: March 11, 2008
    Assignee: Napo Pharmaceuticals, Inc.
    Inventors: Edward James Rozhon, Atul S. Khandwala, Akram Sabouni, Gul P. Balwani, Jody Wai-Han Chan, David F. Sesin
  • Patent number: 7323195
    Abstract: Pharmaceutical compositions containing a proanthocyanidin polymer composition which are useful for the treatment and prevention of secretory diarrhea are provided. The invention specifically relates to pharmaceutical formulations of a proanthocyanidin polymer composition which has been isolated from a Croton spp. or a Calophyllum spp. In particular, the invention relates to a formulation of a proanthocyanidin polymer composition which protects the composition from the effects of stomach acid after oral administration, particularly to those formulations which are enteric coated. The invention also relates to methods of producing a directly compressible proanthocyanidin polymer composition, as well as compositions containing the directly compressible proanthocyanidin polymer composition.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: January 29, 2008
    Assignee: Napo Pharmaceuticals, Inc.
    Inventors: Edward James Rozhon, Atul S. Khandwala, Akram Sabouni, Gul P. Balwani, Jody Wai-Han Chan, David F. Sesin