Patents Assigned to Inspire Pharmaceuticals, Inc.
  • Patent number: 6462028
    Abstract: The present invention provides a method of stimulating cervical and vaginal secretions in a mammal by treatment with P2Y2 and/or P2Y4 purinergic receptor agonists. Treatment of vaginal dryness associated with menopause, chemotherapy, and various disease states as well as the treatment of vulvar pain is discussed. Suitable agonists such as UTP, CTP, ATP, dinucleotides and analogs thereof are disclosed.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: October 8, 2002
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: William Pendergast, Sammy R. Shaver, David J. Drutz, Janet L. Rideout, Benjamin R. Yerxa
  • Patent number: 6451288
    Abstract: Compounds of Formula I: wherein: X1, and X2 are each independently either O− or S−; X3 and X4 are each independently either —H or —OH, with the proviso that X3 and X4 are not simultaneously —H; R1 is selected from the group consisting of O, imido, methylene and dihalomethylene; R2 is selected from the group consisting of H, halo, alkyl, substituted alkyl, alkoxyl, nitro and azido; R3 is selected from the group consisting of H, alkyl, acyl, aryl, and arylalkyl; and R4 is selected from the group consisting of —OR′, —SR′, —NR′, and —NR′R″, wherein R′ and R″ are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, alkoxyl, and aryloxyl, with the proviso that R′ is absent when R4 is double bonded from an oxygen or sulfur atom to the carbon at the 4-position of the pyrimidine ring, are used in methods of hydrating lung mucus secr
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: September 17, 2002
    Assignees: The University of North Carolina at Chapel Hill, Inspire Pharmaceuticals, Inc.
    Inventors: Richard C. Boucher, Jr., Sammy Ray Shaver, William Pendergast, Benjamin Yerxa, Janet L. Rideout, Robert Dougherty, Dallas Croom
  • Patent number: 6448276
    Abstract: The invention provides a method for treating vaginal dryness by increasing hydration and lubrication of vaginal and cervical tissues in a subject in need of such treatment. The method comprises administering to the subject a nicotinic acetylcholine receptor agonist such as nicotine and its analogs, transmetanicotine and its analogs, epibatidine and it analogs, lobeline and its analogs, pyridol derivatives, para-alkylthiophenol derivatives, and imidacloprid and its analogs, in an amount effective to stimulate cervical and vaginal secretions. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the formulation include: topical administration via a liquid, gel, cream, ointment, foam, pessary, or tablet; systemic administration via nasal drops or spray, inhalation by nebulizer or other device, oral form (liquid or pill), injectable, suppository form, or transdermal form. The invention is useful for treating vaginal dryness and vulvar pain.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: September 10, 2002
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventor: Benjamin R. Yerxa
  • Patent number: 6436910
    Abstract: A method and preparation for the stimulation of mucosal hydration in a subject in need of such treatment is disclosed. The method comprises administering to the mucosal surfaces of the subject a purinergic receptor agonist such as uridine 5′-diphosphate (UDP), dinucleotide triphosphates; cytidine 5′-diphosphate (CDP), adenosine 5′-diphosphate (ADP), or their therapeutically useful analogs and derivatives, in an amount effective to stimulate mucin secretion. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include: topical administration via a liquid, gel, cream, or as part of a contact lens or selective release membrane; or systemic administration via nasal drops or spray, inhalation by nebulizer or other device, oral form (liquid or pill), injectable, intra-operative instillation or suppository form.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: August 20, 2002
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Benjamin R. Yerxa, Janet L. Rideout, Arthur C. Jones
  • Patent number: 6423694
    Abstract: A method of promoting drainage of congested middle ear fluid in a subject in need of such treatment is disclosed. The method comprises administering to the middle ear of the subject a uridine triphosphate such as uridine 5′-triphosphate (UTP), an analog of UTP, or any other analog, in an amount effective to promote drainage of congested middle ear fluid by hydrating mucous secretions in the middle ear or by stimulating ciliary beat frequency in the middle ear or eustachian tube. The method is useful for treating patients afflicted with otitis media and other middle ear diseases, otitis externa, and inner ear diseases including Ménière's Disease. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include any liquid suspension (including nasal drops or spray), oral, inhaled by nebulization, topical, injected or suppository form.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: July 23, 2002
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: David J. Drutz, Janet L. Rideout, Karla M. Jacobus
  • Patent number: 6420347
    Abstract: A method of stimulating ciliary beat frequency in a subject in need of such treatment is disclosed. The method comprises administering to the airways, ears, eyes, or genito-urinary tract of the subject a triphosphate nucleotide such as uridine 5′-triphosphate (UTP), an analog of UTP, or any other analog, in an amount effective to stimulate ciliary beat frequency. This method is useful for treating patients afflicted with ciliary dyskinesia, Kartagener's syndrome, or any other disease involving dysfunction of ciliary movement, such as male infertility caused by impairment of propulsion of the spermatozoa or immune deficiency caused by impairment of ciliary movement in neutrophils or macrophages. Pharmaceutical formulations and methods of making the same are also disclosed.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: July 16, 2002
    Assignees: Inspire Pharmaceuticals, Inc., The University of North Carolina at Chapel Hill
    Inventors: Karla M. Jacobus, Benjamin R. Yerxa, William Pendergast, Richard C. Boucher, Jr., Janet L. Rideout, David J. Drutz, Michael K. James, Monroe Jackson Stutts, Cary Geary, Edwardo R. Lazarowski
  • Patent number: 6348589
    Abstract: The present invention relates to certain novel dinucleotides and formulations thereof which are highly selective agonists of the P2Y2 and/or P2Y4 purinergic receptor. They are useful in the treatment of chronic obstructive pulmonary diseases such as chronic bronchitis, PCD, cystic fibrosis, as well as prevention of pneumonia due to immobility. Furthermore, because of their general ability to clear retained mucus secretions and stimulate ciliary beat frequency, the compounds of the present invention are also useful in the treatment of sinusitis, otitis media and nasolacrimal duct obstruction. They are also useful for treatment of dry eye disease and retinal detachment.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: February 19, 2002
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: William Pendergast, Benjamin R. Yerxa, Janet L. Rideout, Suhaib M. Siddiqi
  • Patent number: 6331529
    Abstract: A method and preparation for the stimulation of mucosal hydration in a subject in need of such treatment is disclosed. The method comprises administering to the mucosal surfaces of the subject a purinergic receptor agonist such as uridine 5′-diphosphate (UDP), dinucleotides, cytidine 5′-diphosphate (CDP), adenosine 5′-diphosphate (ADP), or their therapeutically useful analogs and derivatives, in an amount effective to stimulate mucin secretion. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include: topical administration via a liquid, gel, cream, or as part of a contact lens or selective release membrane; or systemic administration via nasal drops or spray, inhalation by nebulizer or other device, oral form (liquid or pill), injectable, intra-operative instillation or suppository form.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: December 18, 2001
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Benjamin R. Yerxa, Janet L. Rideout, Arthur C. Jones
  • Patent number: 6323187
    Abstract: The present invention relates to P1-(cytidine 5′-)-P-(uridine 5′-)tetraphosphates and its salts, esters and amides, and formulations thereof which are highly stable and selective agonists of the P2Y2 and/or P2Y4 purinergic receptor. The compounds of the invention are useful in the treatment of chronic obstructive pulmonary diseases such as chronic bronchitis, primary ciliary dyskinesia, cystic fibrosis, as well as prevention of pneumonia due to immobility, and the induction of sputum and its expectoration. Furthermore, because of their general ability to clear retained mucus secretions and stimulate ciliary beat frequency, the compounds of the present invention are also useful in the treatment of sinusitis and otitis media.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: November 27, 2001
    Assignees: Inspire Pharmaceuticals, Inc., University of North Carolina at Chapel Hill
    Inventors: Benjamin R. Yerxa, William Pendergast, Janet L. Rideout, Maryse Picher, Richard C. Boucher, Jr., M. Jackson Stutts
  • Patent number: 6319908
    Abstract: The present invention provides new methods for the synthesis of the therapeutic dinucleotide, P1,P4-di(uridine 5′-tetraphosphate), and demonstrates applicability to the production of large quantities. The methods of the present invention substantially reduce the time period required to synthesize diuridine tetraphosphate, preferably to three days or less. The novel tetrammonium and tetrasodium salts of P1,P4-di(uridine 5′-tetraphosphate) (Formula I) prepared by these methods are stable, soluble, nontoxic, and easy to handle during manufacture, wherein: X is Na, NH4 or H, provided that all X groups are not H.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: November 20, 2001
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Benjamin R. Yerxa, William Pendergast
  • Patent number: 6277855
    Abstract: The invention provides a method for increasing hydration and lubrication of lacrimal tissues in a subject in need of such treatment. The method comprises administering to the subject a nicotinic acetylcholine receptor agonist such as nicotine and its analogs, transmetanicotine and its analogs, epibatidine and it analogs, lobeline and its analogs, pyridol derivatives, para-alkylthiophenol derivatives, and imidacloprid and its analogs, in an amount effective to stimulate mucus secretion in the lacrimal system. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the formulation include: topical administration via a liquid, gel, cream, or as part of a contact lens or selective release membrane; or systemic administration via nasal drops or spray, inhalation by nebulizer or other device, oral form (liquid or pill), injectable, intra-operative instillation, suppository form, or transdermal form.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: August 21, 2001
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventor: Benjamin R. Yerxa
  • Patent number: 6159952
    Abstract: A method of promoting clearance of retained mucous secretions in the bronchi, bronchioles and small terminal airways of a subject in need of such treatment is disclosed. The method comprises administering to the bronchi of the subject a uridine phosphate such as uridine 5'-triphosphate (UTP), or P.sup.1,P.sup.4 -di(uridine-5') tetraphosphate (U.sub.2 P.sub.4), an analog of UTP, or any other analog, in an amount effective to promote mucociliary clearance and/or cough clearance of retained fluid in the bronchi, bronchioles and small terminal airways. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include: aerosol inhalation, any liquid suspension (including nasal drops or spray), oral form (liquid or pill), injected, intra-operative instillation or suppository form.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: December 12, 2000
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Christy L. Shaffer, Richard C. Boucher, Janet L. Rideout, Karla M. Jacobus
  • Patent number: 6143279
    Abstract: Compounds of Formula I: ##STR1## wherein: X.sub.1, and X.sub.2 are each independently either O.sup.- or S.sup.- ;X.sub.3 and X.sub.4 are each independently either --H or --OH, with the proviso that X.sub.3 and X.sub.4 are not simultaneously --H;R.sub.1 is selected from the group consisting of O, imido, methylene and dihalomethylene;R.sub.2 is selected from the group consisting of H, halo, alkyl, substituted alkyl, alkoxyl, nitro and azido;R.sub.3 is selected from the group consisting of H, alkyl, acyl, aryl, and arylalkyl; andR.sub.4 is selected from the group consisting of --OR', --SR', --NR', and --NR'R", wherein R' and R" are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, alkoxyl, and aryloxyl, with the proviso that R' is absent when R.sub.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: November 7, 2000
    Assignees: The University of North Carolina at Chapel Hill, Inspire Pharmaceuticals, Inc.
    Inventors: Richard C. Boucher, Jr., Sammy Ray Shaver, William Pendergast, Benjamin Yerxa, Janet L. Rideout, Robert Dougherty, Dallas Croom
  • Patent number: 6022527
    Abstract: Compounds of Formula I: ##STR1## wherein: X.sub.1, and X.sub.2 are each independently either O.sup.- or S.sup.- ;X.sub.3 and X.sub.4 are each independently either --H or --OH, with the proviso that X.sub.3 and X.sub.4 are not simultaneously --H;R.sub.1 is selected from the group consisting of O, imido, methylene and dihalomethylene;R.sub.2 is selected from the group consisting of H, halo, alkyl, substituted alkyl, alkoxyl, nitro and azido;R.sub.3 is selected from the group consisting of H, alkyl, acyl, aryl, and arylalkyl; andR.sub.4 is selected from the group consisting of --OR', --SR', --NR', and --NR'R", wherein R' and R" are independently selected from the group consisting of H, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, alkoxyl, and aryloxyl, with the proviso that R' is absent when R.sub.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: February 8, 2000
    Assignees: The University of North Carolina at Chapel Hill, Inspire Pharmaceuticals, Inc.
    Inventors: Richard C. Boucher, Jr., Sammy Ray Shaver, William Pendergast, Benjamin Yerxa, Janet L. Rideout, Robert Dougherty, Dallas Croom
  • Patent number: 5981506
    Abstract: A method of promoting drainage of congested mucous secretions in the sinuses of a subject in need of such treatment is disclosed. The method comprises administering to the sinuses of the subject a uridine phosphate such as uridine 5'-triphosphate (UTP) or P.sup.1,P.sup.4 -di(uridine-5') tetraphosphate (U.sub.2 P.sub.4), an analog of UTP, or any other analog, in an amount effective to promote drainage of congested fluid in the sinuses by hydrating mucous secretions or by stimulating ciliary beat frequency in the sinuses. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include any liquid suspension (including nasal drops or spray), oral form (liquid or pill), aerosol inhalation, powder form, topical, injected, intra-operative instillation or suppository form.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: November 9, 1999
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Karla Jacobus, Janet Rideout, Ben Yerxa, William Pendergast, Suhaib Siddiqi, David Drutz
  • Patent number: 5972904
    Abstract: A method of promoting drainage of congested mucous secretions in the sinuses of a subject in need of such treatment is disclosed. The method comprises administering to the sinuses of the subject a uridine phosphate such as uridine 5'-triphosphate (UTP) or P.sup.1,P.sup.4 -di(uridine-5') tetraphosphate (U.sub.2 P.sub.4), an analog of UTP, or any other analog, in an amount effective to promote drainage of congested fluid in the sinuses by hydrating mucous secretions or by stimulating ciliary beat frequency in the sinuses. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include any liquid suspension (including nasal drops or spray), oral form (liquid or pill), aerosol inhalation, powder form, topical, injected, intra-operative instillation or suppository form.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: October 26, 1999
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Karla Jacobus, Janet Rideout, Ben Yerxa, William Pendergast, Suhaib Siddiqi, David Drutz
  • Patent number: 5968913
    Abstract: Novel pharmaceutical compositions of uridine 5'-triphosphate (UTP) for use in promoting increased mucociliary clearance of retained mucous secretions of the human airways, middle/inner ears or sinuses are disclosed. Novel Formulation I comprises UTP and aqueous solution having a therapeutic concentration between 5 and 45 mg/mL, a controlled tonicity within the range of 250 to 100 mOsM, a pH between 7.0 and 7.5, and is sterile. The pH-adjusted composition is capable of long-term storage in the refrigerated state with a shelf life of up to 30 months. Formulation I may be delivered therapeutically either in a nebulized form or in a liquid form. Novel Formulation II comprises UTP in an aqueous solution or suspension having a therapeutic concentration approaching the limit of UTP's solubility at ambient temperature. This high concentration allows delivery of a therapeutic amount of UTP in very small volumes (50 to 100 .mu.L) suitable for administration via portable hand-held devices such as metered dose inhalers.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: October 19, 1999
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Karol K. LaCroix, Christy L. Shaffer, Karla M. Jacobus, Janet L. Rideout, David J. Drutz, Richard C. Evans, William Pendergast
  • Patent number: 5962432
    Abstract: A novel formulation of uridine 5'-triphosphate (UTP) for use in promoting increased mucociliary clearance of retained mucous secretions of the human airways, middle/inner ears, or sinuses is disclosed. The composition comprises UTP and aqueous solution having a therapeutic concentration between 5 and 35 mg/mL, which has controlled tonicity within the range of 250 to 1000 mOsM, pH-adjusted, having pH between 7.0 and 7.5; and sterile. The pH-adjusted formulation is capable of long-term storage in the refrigerated state, with a shelf life of up to 30 months if kept refrigerated at 5.degree. C. The formulation is delivered therapeutically either in a nebulized form using any of several commercially available nebulizers (e.g., jet, ultrasonic, etc.), or in liquid form.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: October 5, 1999
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Karol La Croix, Christy Shaffer, Karla Jacobus, Janet Rideout, David Drutz
  • Patent number: 5958897
    Abstract: A method of promoting drainage of congested mucous secretions in the sinuses of a subject in need of such treatment is disclosed. The method comprises administering to the sinuses of the subject a uridine phosphate such as uridine 5'-triphosphate (UTP) or P.sup.1,P.sup.4 -di(uridine-5') tetraphosphate (U.sub.2 P.sub.4), an analog of UTP, or any other analog, in an amount effective to promote drainage of congested fluid in the sinuses by hydrating mucous secretions or by stimulating ciliary beat frequency in the sinuses. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include any liquid suspension (including nasal drops or spray), oral form (liquid or pill), aerosol inhalation, powder form, topical, injected, intra-operative instillation or suppository form.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: September 28, 1999
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Karla Jacobus, Janet Rideout, Ben Yerxa, William Pendergast, Suhaib Siddiqi, David Drutz
  • Patent number: 5900407
    Abstract: A method and preparation for the stimulation of tear secretion in a subject in need of such treatment is disclosed. The method comprises administering to the ocular surfaces of the subject a purinergic receptor agonist such as uridine 5'-triphosphate ?UTP!, dinucleotides, cytidine 5'-triphosphate ?CTP!, adenosine 5'-triphosphate ?ATP!, or their therapeutically useful analogs and derivatives, in an amount effective to stimulate tear fluid secretion. Pharmaceutical formulations and methods of making the same are also disclosed. Methods of administering the same would include: topical administration via a liquid, gel, cream, or as part of a contact lens or selective release membrane; or systemic administration via nasal drops or spray, inhalation by nebulizer or other device, oral form (liquid or pill), injectable, intra-operative instillation or suppository form.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: May 4, 1999
    Assignee: Inspire Pharmaceuticals, Inc.
    Inventors: Benjamin R. Yerxa, Karla M. Jacobus, William Pendergast, Janet L. Rideout