Patents Assigned to Pfizer
  • Publication number: 20020115616
    Abstract: This invention relates to a novel inhibitor of beta amyloid cleavage enzyme (BACE, transmembrane aspartyl protease beta-secretase, beta site APP cleavage enzyme, memapsin-2, BACE-1), pharmaceutical compositions containing it and its use in the treatment of neurological disorders such as Alzheimer's disease, Crutzfield-Jacob's disease, prion disorders, amyotrophic lateral sclerosis, progressive supranuclear palsy, head trauma, stroke, down's syndrome, pancreatitis, inclusion body myocitis, other peripheral amyloidoses and diabetes.
    Type: Application
    Filed: February 14, 2002
    Publication date: August 22, 2002
    Applicant: Pfizer Inc.
    Inventors: James G. Boyd, David H. Singleton
  • Patent number: 6436410
    Abstract: The present invention provides isolated polynucleotide molecules comprising a nucleotide sequence encoding the DHFR-TS protein of Neospora which polynucleotide molecules are useful in preparing modified live vaccines against neosporosis, and as diagnostic reagents. The present invention further provides cloning and expression vectors, transformed host cells, substantially purified DHFR-TS proteins and peptide fragments, genetic constructs useful for targeted gene deletion, and vaccine compositions.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: August 20, 2002
    Assignee: Pfizer, Inc.
    Inventors: B. Rajendra Krishnan, S. Christine Yoder, Becky A. Durtschi
  • Patent number: 6436977
    Abstract: Based on lasofoxifene's half-life and potency, the drug may be dosed once per week and achieve a similar effect as if given daily.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: August 20, 2002
    Assignee: Pfizer Inc.
    Inventor: David D. Thompson
  • Patent number: 6436987
    Abstract: The present invention provides novel polymorphic forms of anhydrous crystalline (3S-trans)-2-[3,4-dihydro-4-hydroxy-3-(phenylmethyl)-2H-1-benzopyran-7-yl]-4-(trifluoromethyl)-benzoic acid, hereinafter compound (I), and a novel salt, and a hydrate of said compound, wherein each novel composition has particular characteristics that contribute to its use in pharmaceutical formulations. The novel monohydrate of compound (I) is described, which can be advantageously isolated from water wet solvents and formulated via wet granulation techniques. The novel ethylene diamine (mono) salt is also described, and demonstrates superior solubility and bioavailability. Additionally, polymorphic forms A and B of anhydrous crystalline compound (I) are described, wherein form A has superior thermal stability, and form B has superior solubility.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: August 20, 2002
    Assignee: Pfizer Inc.
    Inventors: Douglas J. M. Allen, Nancy A. Sage, David B. Joseph
  • Patent number: 6436957
    Abstract: Compounds of the formula where W is n is 0, 1, or 2; m is 0, 1, 2, or 3: Y and G are each independently oxygen or sulfur; Z is —O—, —S—, —NH, or —CH2; R1 is hydrogen, C1 to C8 alkyl, substituted C1 to C8 alkyl substituted with one hydroxy, C3 to C8 alkenyl, C3 to C8 alkynyl, aryl, C1 to C3 alkylaryl, C1 to C3 alkylheteroaryl, or -Q-R4; R2 and R3 are each independently hydrogen, C1 to C6 alkyl, aryl, C1 to C3 alkylaryl, or C1 to C3 alkylheteroaryl; R4 is cyano, trifluoromethyl, —COR9, —CO2R9, —CONR9R10, —OR9, —SO2NR9R10, or —S(O)qR9; R8 and R10 are each independently hydrogen, C1 to C8 alkyl, C1 to C3 alkylaryl, aryl, or R9 and R10 may together be taken to form a three- to seven-membered alkyl ring or a three- to seven-membered heteroalkyl ring having 1 heteroatom of O; Q is C1 to C3 alkyl; R11 is hydrogen, —OR12, or —NHCOR12; R12 is hydrogen, C1 to C6 alkyl, aryl, or C1 to C3 alkyl-aryl; q i
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: August 20, 2002
    Assignee: Pfizer Inc.
    Inventors: John Eugene Macor, Martin James Wythes
  • Patent number: 6436944
    Abstract: This invention relates to the treatment of erectile dysfunction with a combination of (1) a compound selected from potassium channel openers, and (2) a compound selected from compounds which elevate cGMP levels. Sildenafil or a pharmaceutically acceptable salt thereof is preferred as the cGMP PDE elevator. Also included are compositions and kits comprising such impotence treating compounds.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: August 20, 2002
    Assignee: Pfizer Inc.
    Inventor: Murray C. Maytom
  • Patent number: 6436961
    Abstract: The present invention relates to a novel process for preparing and resolving 3-amino-2-phenylpiperidine and for synthesizing from the enantiomers of such compound certain pharmaceutically active substituted 2-phenyl-3-benzylaminopiperidines. The substituted 2-phenyl-3-benzylaminopiperidines that can be prepared by the processes of this invention are substance P receptor antagonists and are useful in the treatment and prevention of inflammatory and central nervous system disorders, as well as several other disorders.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: August 20, 2002
    Assignee: Pfizer INC
    Inventors: Harry A. Watson, Jr., William M. Snyder, Glenn E. Wilcox
  • Patent number: 6437151
    Abstract: Erythromycins, particularly ones with novel C-13 substituents R1 (e.g. C3-C6 cycloalkyl or cycloalkenyl groups) are prepared by fermenting suitable organisms in the presence of R1CO2H. A preferred organism is Saccharopolyspora erythraea preferably containing an integrated plasmid capable of directing synthesis of desired compounds.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: August 20, 2002
    Assignees: Biotica Technology Limited, Pfizer Inc.
    Inventors: Peter Francis Leadlay, James Staunton, Jesus Cortes, Michael Stephen Pacey
  • Patent number: 6436938
    Abstract: The present invention relates to a method of treating depression, especially refractory depression, in a mammal, including a human, by administering to the mammal a sigma receptor ligand in combination with an antidepressant agent. It also relates to pharmaceutical compositions containing a pharmaceutically acceptable carrier, a sigma receptor ligand and a serotonin reuptake inhibitor.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: August 20, 2002
    Assignee: Pfizer Inc.
    Inventor: Harry Ralph Howard, Jr.
  • Publication number: 20020111495
    Abstract: Compounds useful as inhibitors of PDE4 in the treatment of diseases regulated by the activation and degranulation of eosinophils, especially asthma, chronic bronchitis, and chronic obstructuive pulmonary disease, of the formula: 1
    Type: Application
    Filed: January 31, 2002
    Publication date: August 15, 2002
    Applicant: Pfizer Inc.
    Inventors: Thomas Victor Magee, Anthony Marfat, Robert James Chambers
  • Patent number: 6432945
    Abstract: This invention is directed to compounds of the formula and the pharmaceutically-acceptable salts thereof, where the substituents are as defined in the Specification, which are growth hormone secretogogues and which increase the level of endogenous growth hormone. The compounds of this invention are useful for the treatment and prevention of osteoporosis and/or frailty, 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 homeostasis or renal homeostasis.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: August 13, 2002
    Assignee: Pfizer Inc.
    Inventors: Philip Albert Carpino, David Andrew Griffith, Bruce Allen Lefker
  • Patent number: 6433009
    Abstract: A compound of the formula wherein R1 and R2 are as defined above, useful in the treatment and condition selected from the group consisting of meningitis and salpingitis, septic shock, disseminated intravascular coagulation, and/or adult respiratory distress syndrome, acute or chronic inflammation, arthritis, cholangitis, colitis, encephalitis, endocarditis, glomerulonephritis, hepatitis, myocarditis, pancreatitis, pericarditis, reperfusion injury, vasculitis, acute and delayed hypersensitivity, graft rejection, and graft-versus-host disease, auto-immune diseases including Type 1 diabetes mellitus and multiple sclerosis, periodonate diseases, interstitial pulmonary fibrosis, cirrhosis, systemic sclerosis, keloid formation, tumors which produce IL-1 as an autocrine growth factor, cachexia, Alzheimers disease, percussion injury, depression, atherosclerosis, osteoporosis in a mammal, including a human.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: August 13, 2002
    Assignee: Pfizer Inc
    Inventors: Mark Anthony Dombroski, James Frederick Eggler
  • Patent number: 6433171
    Abstract: This invention is directed to compounds of the formula and the pharmaceutically-acceptable salts thereof, where the substituents are as defined in the Specification, which are growth hormone secretogogues and which increase the level of endogenous growth hormone. The compounds of this invention are useful for the treatment and prevention of osteoporosis and/or fraility, 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 homeostasis or renal homeostasis.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: August 13, 2002
    Assignee: Pfizer Inc.
    Inventors: Philip Albert Carpino, David Andrew Griffith, Bruce Allen Lefker
  • Patent number: 6432989
    Abstract: A corticotropin releasing factor (CRF) antagonist is administered to treat disorders that can be treated by altering circadian rhythm.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: August 13, 2002
    Assignee: Pfizer Inc
    Inventor: Yuhpyng L. Chen
  • Patent number: 6429313
    Abstract: This invention is directed to compounds of the formula and the pharmaceutically-acceptable salts thereof, where the substituents are as defined in the Specification, which are growth hormone secretogogues and which increase the level of endogenous growth hormone. The compounds of this invention are useful for the treatment and prevention of osteoporosis and/or frailty, 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 homeostasis or renal homeostasis.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: August 6, 2002
    Assignee: Pfizer Inc.
    Inventors: Philip Albert Carpino, David Andrew Griffith, Bruce Allen Lefker
  • 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
  • Patent number: 6426341
    Abstract: This invention is directed to methods, pharmaceutical compositions and kits comprising an aldose reductase inhibitor (ARI), a prodrug thereof or a pharmaceutically acceptable salt of said ARI or said prodrug and a selective COX-2 inhibitor, a prodrug thereof or a pharmaceutically acceptable salt of said selective COX-2 inhibitor or said prodrug. This invention further relates to methods of using those pharmaceutical compositions for the treatment of diabetic complications such as diabetic neuropathy, diabetic nephropathy, diabetic retinopathy, myocardial infarction, cataracts and diabetic cardiomyopathy.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: July 30, 2002
    Assignee: Pfizer Inc.
    Inventor: Banavara L. Mylari
  • Publication number: 20020099046
    Abstract: This invention relates to pharmaceutical combinations of atorvastatin or a pharmaceutically acceptable salt thereof and antihypertensive agents, kits containing such combinations and methods of using such combinations to treat subjects suffering from angina pectoris, atherosclerosis, combined hypertension and hyperlipidemia and to treat subjects presenting with symptoms of cardiac risk, including humans. This invention also relates to additive and synergistic combinations of atorvastatin or a pharmaceutically acceptable salt thereof and antihypertensive agents whereby those synergistic combinations are useful in treating subjects suffering from angina pectoris, atherosclerosis, combined hypertension and hyperlipidemia and those subjects presenting with symptoms of cardiac risk, including humans.
    Type: Application
    Filed: October 23, 2001
    Publication date: July 25, 2002
    Applicant: Pfizer Inc.
    Inventor: Robert Andrew Donald Scott
  • Publication number: 20020099214
    Abstract: There is provided a compound of formula I, 1
    Type: Application
    Filed: March 27, 2002
    Publication date: July 25, 2002
    Applicant: Pfizer Inc.
    Inventors: Stephen Paul Gibson, Ivan Tommasini, David Morris Gethin, Richard Edward Armer
  • Publication number: 20020099205
    Abstract: This invention relates a process for preparing a compound of formula (I) 1
    Type: Application
    Filed: December 4, 2001
    Publication date: July 25, 2002
    Applicant: Pfizer Inc.
    Inventors: Juan C. Colberg, John L. Tucker, Maurizio Zenoni, Giovanni Fogliato, Alessandro Donadelli