Patents by Inventor Angelika Fretzen

Angelika Fretzen 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).

  • Publication number: 20150094272
    Abstract: The present invention features peptides, compositions, and related methods for treating gastrointestinal disorders and conditions, including but not limited to, irritable bowel syndrome (IBS), gastrointestinal motility disorders, functional gastrointestinal disorders, gastroesophageal reflux disease (GERD), duodenogastric reflux, Crohn's disease, ulcerative colitis, inflammatory bowel disease, functional heartburn, dyspepsia, visceral pain, gastroparesis, chronic intestinal pseudo-obstruction (or colonic pseudo-obstruction), disorders and conditions associated with constipation, and other conditions and disorders are described herein, using peptides and other agents that activate the guanylate cyclase C (GC-C) receptor.
    Type: Application
    Filed: August 17, 2012
    Publication date: April 2, 2015
    Applicant: Ironwood Pharmaceuticals, Inc.
    Inventors: Marco Kessler, Angelika Fretzen, Hong Zhao, Robert Solinga, Vladimir Volchenok
  • Publication number: 20150094265
    Abstract: The present invention features peptides, compositions, and related methods for treating gastrointestinal disorders and conditions, including but not limited to, irritable bowel syndrome (IBS), gastrointestinal motility disorders, functional gastrointestinal disorders, gastroesophageal reflux disease (GERD), duodenogastric reflux, Crohn's disease, ulcerative colitis, inflammatory bowel disease, functional heartburn, dyspepsia, visceral pain, gastroparesis, chronic intestinal pseudo-obstruction (or colonic pseudo-obstruction), disorders and conditions associated with constipation, and other conditions and disorders are described herein. using peptides and other agents that activate the guanylate cyclase C (GC-C) receptor.
    Type: Application
    Filed: December 1, 2014
    Publication date: April 2, 2015
    Inventors: ANGELIKA FRETZEN, HONG ZHAO, MARCO KESSLER
  • Patent number: 8946158
    Abstract: The present invention provides peptides that are useful for the treatment of gastrointestinal disorders. The present invention also provides compositions and methods of treating gastrointestinal disorders and pharmaceutical compositions for accomplishing the same. In some embodiments, these pharmaceutical compositions include oral dosage forms.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 3, 2015
    Assignee: Ironwood Pharmaceuticals, Inc.
    Inventors: Mark G. Currie, Angelika Fretzen, Marco Kessler, Daniel Zimmer
  • Publication number: 20150030697
    Abstract: The present invention provides pharmaceutical compositions and methods of treating lower gastrointestinal disorders, including irritable bowel syndrome and constipation.
    Type: Application
    Filed: May 11, 2012
    Publication date: January 29, 2015
    Applicant: Ironwood Pharmaceuticals, Inc.
    Inventors: Mark G. Currie, Daniel P. Zimmer, Angelika Fretzen, Marco Kessler
  • Publication number: 20150031632
    Abstract: The present invention relates to orally disintegrating or dissolving pharmaceutical compositions comprising linaclotide or pharmaceutically acceptable salts thereof, as well as to various methods and processes for the preparation and use of the compositions.
    Type: Application
    Filed: October 9, 2014
    Publication date: January 29, 2015
    Inventors: YUN MO, MAHENDRA DEDHIYA, ANIL CHHETTRY, ANGELIKA FRETZEN, STEVEN WITOWSKI, ALFREDO GROSSI, HONG ZHAO
  • Publication number: 20150018353
    Abstract: Compound of Table I are described. They are useful as stimulators of sGC, particularly NO-independent, heme-dependent stimulators. These compounds may be useful for treating, preventing or managing various disorders that are herein disclosed.
    Type: Application
    Filed: December 26, 2012
    Publication date: January 15, 2015
    Applicant: IRONWOOD PHARMACEUTICALS, INC.
    Inventors: Charles Kim, Takashi Nakai, Joel Moore, Nicholas Robert Perl, G-yoon Jamie Im, Timothy Claude Barden, Rajesh R. Iyengar, Daniel P. Zimmer, Angelika Fretzen, Paul Allan Renhowe
  • Patent number: 8933030
    Abstract: The present invention features peptides, compositions, and related methods for treating gastrointestinal disorders and conditions, including but not limited to, irritable bowel syndrome (IBS), gastrointestinal motility disorders, functional gastrointestinal disorders, gastroesophageal reflux disease (GERD), duodenogastric reflux, Crohn's disease, ulcerative colitis, inflammatory bowel disease, functional heartburn, dyspepsia, visceral pain, gastroparesis, chronic intestinal pseudo-obstruction (or colonic pseudo-obstruction), disorders and conditions associated with constipation, and other conditions and disorders are described herein, using peptides and other agents that activate the guanylate cyclase C (GC-C) receptor.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: January 13, 2015
    Assignee: Ironwwod Pharmaceuticals, Inc.
    Inventors: Angelika Fretzen, Hong Zhao, Marco Kessler
  • Publication number: 20140378393
    Abstract: The present invention relates to stable pharmaceutical compositions comprising linaclotide or pharmaceutically acceptable salts thereof, as well as to various methods and processes for the preparation and use of the compositions.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 25, 2014
    Inventors: Yun Mo, Angelika Fretzen, Brian Cali, Mahendra Dedhiya
  • Publication number: 20140349948
    Abstract: The invention provides methods for treating a patient with chronic constipation by administering a therapeutically effective dose of linaclotide.
    Type: Application
    Filed: December 23, 2013
    Publication date: November 27, 2014
    Applicants: Forest Laboratories Holdings Limited, Ironwood Pharmaceuticals, Inc.
    Inventors: Jeffrey Johnston, Angelika Fretzen, Steven Witowski, Alfredo Grossi, Hong Zhao, Bernard Joseph Lavins, Mahendra Dedhiya, Harvey Schneier
  • Publication number: 20140348942
    Abstract: The present invention provides pharmaceutical compositions and methods of treating lower gastrointestinal disorders, including inflammatory bowel disease (IBD), diverticulitis, colon cancer, an inflammatory disorder, obesity, congestive heart failure, benign prostatic hyperplasia (BPH), pain, salt retention or fluid retention.
    Type: Application
    Filed: June 8, 2012
    Publication date: November 27, 2014
    Applicant: Ironwood Pharmaceuticals, Inc.
    Inventors: Mark G. Currie, Daniel P. Zimmer, Angelika Fretzen, Marco Kassler, Brian M. Cali
  • Publication number: 20140342996
    Abstract: The present invention provides pharmaceutical compositions and methods of treating lower gastrointestinal disorders, including irritable bowel syndrome and constipation.
    Type: Application
    Filed: June 8, 2012
    Publication date: November 20, 2014
    Applicant: Ironwood Pharmaceuticals, Inc.
    Inventors: Mark G. Currie, Daniel P. Zimmer, Angelika Fretzen, Marco Kessler, Brian M. Cali
  • Publication number: 20140323448
    Abstract: Compounds of Formula I are described. They are useful as stimulators of sGC, particularly NO-independent, heme-dependent stimulators. These compounds may be useful for treating, preventing or managing various disorders that are herein disclosed.
    Type: Application
    Filed: April 29, 2014
    Publication date: October 30, 2014
    Applicant: Ironwood Pharmaceuticals Inc.
    Inventors: Charles KIM, Takashi NAKAI, Thomas Wai-Ho LEE, Joel MOORE, Nicholas Robert PERL, Jason ROHDE, Rajesh R. IYENGAR, Ara MERMERIAN, Angelika FRETZEN
  • Publication number: 20140287034
    Abstract: Solid, stable formulations of linaclotide suitable for oral administration are described herein as are methods for preparing such formulations. The formulations described herein contain a polypeptide consisting of the amino acid sequence Cys Cys Glu Tyr Cys Cys Asn Pro Ala Cys Thr Gly Cys Tyr (“linaclotide”; SEQ ID NO:1) or a pharmaceutically acceptable salt thereof. The linaclotide formulations described herein are stable and have a sufficient shelf life for manufacturing, storing and distributing the drug.
    Type: Application
    Filed: May 23, 2014
    Publication date: September 25, 2014
    Applicants: Ironwood Pharmaceuticals, Inc., Forest Laboratories Holdings Limited
    Inventors: Angelika Fretzen, Steven Witowski, Alfredo Grossi, Hong Zhao, Mahendra Dedhiya, Yun Mo
  • Publication number: 20140256634
    Abstract: Described herein are peptides, compositions, and related methods for treating upper gastrointestinal disorders and conditions (e.g., dyspepsia, gastroparesis, post-operative gastric ileus, a functional esophageal disorder, a functional gastroduodenal disorder, gastroesophageal reflux disease (GERD), or a duodenal or stomach ulcer) as well as other conditions and disorders that are described herein.
    Type: Application
    Filed: May 23, 2014
    Publication date: September 11, 2014
    Applicant: Ironwood Pharmaceuticals, Inc.
    Inventors: Mark G. Currie, Daniel P. Zimmer, Angelika Fretzen, Marco Kessler, Brian Cali
  • Patent number: 8802628
    Abstract: Solid, stable formulations of linaclotide suitable for oral administration are described herein as are methods for preparing such formulations. The formulations described herein contain a polypeptide consisting of the amino acid sequence Cys Cys Glu Tyr Cys Cys Asn Pro Ala Cys Thr Gly Cys Tyr (“linaclotide”; SEQ ID NO:1) or a pharmaceutically acceptable salt thereof. The linaclotide formulations described herein are stable and have a sufficient shelf life for manufacturing, storing and distributing the drug.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: August 12, 2014
    Assignees: Ironwood Pharmaceuticals, Inc., Forest Laboratories Holdings, Ltd.
    Inventors: Angelika Fretzen, Steven Witowski, Alfredo Grossi, Hong Zhao, Mahendra Dedhiya, Yun Mo
  • Patent number: 8779090
    Abstract: Peptides that act as GC-C receptor agonists and contain at least one D-cys and are useful for the treatment of diuresis and heart disease as well as other disorders are described.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: July 15, 2014
    Assignee: Ironwood Pharmaceuticals, Inc.
    Inventors: Daniel Zimmer, Angelika Fretzen, Mark Currie, G. Todd Milne
  • Publication number: 20140179607
    Abstract: The present invention provides peptides that are useful for the treatment of gastrointestinal disorders. The present invention also provides compositions and methods of treating gastrointestinal disorders and pharmaceutical compositions for accomplishing the same. In some embodiments, these pharmaceutical compositions include oral dosage forms.
    Type: Application
    Filed: November 9, 2010
    Publication date: June 26, 2014
    Applicant: IRONWOOD PHARMACEUTICALS, INC
    Inventors: Mark G. Currie, Angelika Fretzen, Marco Kessler, Daniel P. Zimmer
  • Patent number: 8748442
    Abstract: Compounds of Formula I are described. They are useful as stimulators of sGC, particularly NO-independent, heme-dependent stimulators. These compounds may be useful for treating, preventing or managing various disorders that are herein disclosed.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: June 10, 2014
    Assignee: Ironwood Pharmaceuticals, Inc.
    Inventors: Charles Kim, Takashi Nakai, Thomas Wai-Ho Lee, Joel Moore, Nicholas Robert Perl, Jason Rohde, Rajesh R Iyengar, Ara Mermerian, Angelika Fretzen
  • Patent number: 8748573
    Abstract: The present invention relates to stable compositions comprising linaclotide, as well as to various methods and processes for the preparation and use of the compositions.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: June 10, 2014
    Assignee: Ironwood Pharmaceuticals, Inc.
    Inventors: Angelika Fretzen, Steven Witowski, Alfredo Grossi, Hong Zhao, Mahendra Dedhiya, Yun Mo
  • Patent number: 8735360
    Abstract: Described herein are peptides, compositions, and related methods for treating upper gastrointestinal disorders and conditions (e.g., dyspepsia, gastroparesis, post-operative gastric ileus, a functional esophageal disorder, a functional gastroduodenal disorder, gastroesophageal reflux disease (GERD), or a duodenal or stomach ulcer) as well as other conditions and disorders that are described herein.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: May 27, 2014
    Assignee: Ironwood Pharmaceuticals, Inc.
    Inventors: Mark G. Currie, Daniel P. Zimmer, Angelika Fretzen, Marco Kessler, Brian Cali