Patents by Inventor Bruce A. Lefker

Bruce A. Lefker 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: 20030207925
    Abstract: The present invention provides a method of treating hypertension, liver failure, loss of patency of ductus arteriosus, glaucoma or ocular hypertension in a patient, comprising administering to the patient a therapeutically effective amount of a selective EP4 receptor agonist of Formula I 1
    Type: Application
    Filed: March 11, 2003
    Publication date: November 6, 2003
    Inventors: Kimberly O. Cameron, Bruce A. Lefker, Delvin R. Knight
  • Patent number: 6642266
    Abstract: This invention is directed to methods of treating conditions which present with low bone mass, particularly osteoporosis, frailty, an osteoporotic fracture, a bone defect, childhood idiopathic bone loss, alveolar bone loss, mandibular bone loss, bone fracture, osteotomy, bone loss associated with periodontitis, or prosthetic ingrowth comprising administering prostaglandin agonists which are EP4 receptor selective prostaglandin agonists. This invention is especially directed to those methods wherein the EP4 receptor selective agonist is a compound of Formula I: wherein the variables are as defined in the specification.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: November 4, 2003
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, HuaZhu Ke, Bruce A. Lefker, David D. Thompson
  • Publication number: 20030176479
    Abstract: The present invention is directed to methods for treating liver failure, loss of patency of the ductus arteriosus, glaucoma or ocular hypertension, comprising administering to the patient in need thereof a therapeutically effective amount of a selective EP4 receptor agonist of the Formulae 1
    Type: Application
    Filed: March 11, 2003
    Publication date: September 18, 2003
    Inventors: Kimberly O. Cameron, Bruce A. Lefker
  • Patent number: 6608203
    Abstract: This invention relates to compounds useful for treating or preventing obesity, breast cancer, osteoporosis, endometriosis, cardiovascular disease, prostatic disease, and the like, and to pharmaceutical composition, methods, and kits comprising such compounds.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: August 19, 2003
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Richard Chesworth, Paul A. DaSilva-Jardine, Robert F. Day, Bruce A. Lefker, Michael P. Zawistoski
  • Publication number: 20030149086
    Abstract: This invention is directed to EP4 receptor selective prostaglandin agonists of the Formula I, 1
    Type: Application
    Filed: December 20, 2002
    Publication date: August 7, 2003
    Inventors: Kimberly O. Cameron, Bruce A. Lefker
  • Publication number: 20030105092
    Abstract: Prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Application
    Filed: September 26, 2002
    Publication date: June 5, 2003
    Inventors: Kimberley Q. Cameron, Hua Z. Ke, Bruce A. Lefker, Robert L. Rosati, David D. Thompson
  • Publication number: 20030078261
    Abstract: This invention relates to prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Application
    Filed: September 25, 2002
    Publication date: April 24, 2003
    Inventors: Kimberly O. Cameron, Bruce A. Lefker, Robert L. Rosati
  • Patent number: 6552067
    Abstract: This invention is directed to EP4 receptor selective prostaglandin agonists of the Formula I, wherein R2, X, Z and Q are as defined in the specification. This invention is also directed to pharmaceutical compositions containing those compounds. This invention is also directed to methods of treating conditions which present with low bone mass, particularly osteoporosis, frailty, an osteoporotic fracture, a bone defect, childhood idiopathic bone loss, alveolar bone loss, mandibular bone loss, bone fracture, osteotomy, bone loss associated with periodontitis, or prosthetic ingrowth in a mammal comprising administering those compounds.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: April 22, 2003
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Bruce A. Lefker
  • Patent number: 6498172
    Abstract: This invention relates to prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: December 24, 2002
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Bruce A. Lefker, Robert L. Rosati
  • Patent number: 6492412
    Abstract: Prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: December 10, 2002
    Assignee: Pfizer, Inc.
    Inventors: Kimberly O. Cameron, Hua Z. Ke, Bruce A. Lefker, Robert L. Rosati, David D. Thompson
  • Patent number: 6482825
    Abstract: This invention provides compounds of formula I and pharmaceutically-acceptable salts thereof, where the substituents are defined in the specification, which are growth hormone secretogogues useful for treatment and prevention of osteoporosis, congestive heart failure, frailty associated with aging, obesity; accelerating bone fracture repair, attenuating protein catabolic response after a major operation, reducing cachexia and protein loss due to chronic illness, accelerating wound healing, or accelerating the recovery of burn patients or patients having undergone major surgery; improving muscle strength , mobility, maintenance of skin thickness, metabolic homeostatis or renal homeostasis. Compounds of formula I in combination with: a bisphosphonate such as alendronate; estrogen, estrogens, and optionally progesterone; an estrogen agonist or antagonist; or calcitonin, and pharmaceutical compositions thereof are useful in treating osteoporosis.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: November 19, 2002
    Assignee: Pfizer Inc.
    Inventors: Philip A Carpino, Paul A DaSilva-Jardine, Bruce A Lefker, John A Ragan
  • Publication number: 20020165255
    Abstract: This invention relates to prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Application
    Filed: October 19, 2001
    Publication date: November 7, 2002
    Inventors: Kimberly O. Cameron, Bruce A. Lefker, Robert L. Rosati
  • Patent number: 6426359
    Abstract: This invention relates to the use of EP2 receptor subtype selective prostaglandin E2 agonists to augment bone mass including the prevention and treatment of skeletal disorders in mammals, including humans.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: July 30, 2002
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Hua Z. Ke, Bruce A. Lefker, Robert L Rosati, David D. Thompson
  • Publication number: 20020065308
    Abstract: This invention is directed to EP4 receptor selective prostaglandin agonists of the Formula I, 1
    Type: Application
    Filed: November 21, 2001
    Publication date: May 30, 2002
    Inventors: Kimberly O. Cameron, Bruce A. Lefker
  • Publication number: 20020049196
    Abstract: This invention is directed to compounds of the formula 1
    Type: Application
    Filed: December 11, 2000
    Publication date: April 25, 2002
    Inventors: Philip A. Carpino, Paul A. DaSilva-Jardine, Bruce A. Lefker, John A. Ragan
  • Patent number: 6376502
    Abstract: This invention relates to prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: April 23, 2002
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Bruce A. Lefker, Robert L. Rosati
  • Publication number: 20020040149
    Abstract: This invention is directed to methods of treating conditions which present with low bone mass, particularly osteoporosis, frailty, an osteoporotic fracture, a bone defect, childhood idiopathic bone loss, alveolar bone loss, mandibular bone loss, bone fracture, osteotomy, bone loss associated with periodontitis, or prosthetic ingrowth comprising administering prostaglandin agonists which are EP4 receptor selective prostaglandin agonists.
    Type: Application
    Filed: November 16, 2001
    Publication date: April 4, 2002
    Inventors: Kimberly O. Cameron, HuaZhu Ke, Bruce A. Lefker, David D. Thompson
  • Publication number: 20020016368
    Abstract: Prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Application
    Filed: June 29, 2001
    Publication date: February 7, 2002
    Inventors: Kimberly O. Cameron, Hua Z. Ke, Bruce A. Lefker, Robert L. Rosati, David D. Thompson
  • Patent number: 6344485
    Abstract: Methods of using prostaglandin agonists for the reduction of intraocular pressure, and accordingly glaucoma.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: February 5, 2002
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Bruce A. Lefker
  • Publication number: 20020013320
    Abstract: This invention is directed to methods for treating systemic lupus erythematosus and/or inflammatory bowel disease such as Crohn's disease or ulcerative colitis in a patient which comprise administering a growth hormone secretagogue (GHS), prodrug thereof or a pharmaceutically acceptable salt of said GHS or said prodrug.
    Type: Application
    Filed: June 14, 2001
    Publication date: January 31, 2002
    Inventors: Frank Robert Busch, Bruce A. Lefker, Lydia C. Pan