Patents by Inventor Thomas W. Leonard

Thomas W. Leonard 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: 20100215743
    Abstract: The present invention provides methods of treating or preventing a medical condition that is responsive to a bisphosphonate compound in a subject. The methods comprise administering to the subject a pharmaceutical composition comprising a therapeutically effective amount of the bisphosphonate no less frequently than a bi-weekly dosage schedule. In some embodiment, the bisphosphonate compound is zoledronic acid.
    Type: Application
    Filed: February 25, 2010
    Publication date: August 26, 2010
    Inventor: Thomas W. Leonard
  • Publication number: 20100137265
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Application
    Filed: February 4, 2010
    Publication date: June 3, 2010
    Inventor: Thomas W. Leonard
  • Patent number: 7683047
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: March 23, 2010
    Assignee: Barr Laboratories, Inc.
    Inventor: Thomas W. Leonard
  • Publication number: 20090280170
    Abstract: The present invention provides compositions of GnRH related compounds that are suitable for oral administration, injectable administration and other forms of administration wherein the gelling characteristics of the composition are a factor. The compositions of the present invention comprise a therapeutically effective amount of one or more GnRH related compound, and a sufficient amount of at least one anti-gelling agents to reduce the gelation of the GnRH related compound. The present invention also provides processes for preparation of a composition of one or more GnRH related compound, wherein the process comprises mixing the GnRH related compound with one or more anti-gelling agents, wherein the anti-gelling agent comprises a medium chain fatty acid salt, or an ester, an ether, or a derivative of a medium chain fatty acid and has a carbon chain length of from about 4 to about 20 carbon atoms or is a surface active agent.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 12, 2009
    Inventors: Amanda Lee, Bozena Adamczyk, David C. Coughlan, Edel O'Toole, Thomas W. Leonard
  • Publication number: 20090280169
    Abstract: The present invention provides composition of comprising a therapeutically effective amount of at least one peptide, polypeptide, analog or derivative thereof and a sufficient amount of at least one stabilizing agent to improve the stability of the peptide, polypeptide, an analog or derivative thereof, wherein at least one stabilizing agent is a medium chain fatty acid salt, an ester, an ether, or a derivative of a medium chain fatty acid and has a carbon chain length of from about 4 to about 20 carbon atoms or is a surface active agent. The method for preparation of a composition of a peptide, polypeptide, protein, an analog and/or derivative thereof is also provided.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 12, 2009
    Inventor: Thomas W. Leonard
  • Publication number: 20080300224
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Application
    Filed: August 15, 2008
    Publication date: December 4, 2008
    Inventor: Thomas W. Leonard
  • Patent number: 7427609
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: September 23, 2008
    Assignee: Barr Laboratories, Inc.
    Inventor: Thomas W. Leonard
  • Patent number: 6992075
    Abstract: The present invention relates to novel estrogenic compounds. The present invention also relates to methods of treating estrogen deprivation in a subject comprising administering novel estrogenic compounds. Additionally, the present invention relates to methods of synthesizing novel estrogenic compounds.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: January 31, 2006
    Assignee: Barr Laboratories, Inc.
    Inventors: Edward N. Hill, Thomas W. Leonard, Robert R. Whittle
  • Patent number: 6855703
    Abstract: A composition of matter is provided having a mixture of active estrogenic compounds. The mixture is present in chemically pure form. The mixture includes salts of conjugated estrone, conjugated equilin, conjugated ?8,9-dehydroestrone, conjugated 17?-estradiol, conjugated 17?-dihydroequilin, conjugated 17?-dihydroequilin, conjugated 17?-estradiol, conjugated equilenin, conjugated 17?-dihydroequilenin, and conjugated 17?-dihydroequilenin. The mixture also contains the same essential estrogenic compounds present in naturally derived equine conjugated estrogens. Drug products including the composition of matter are also provided, as are methods of using these drug products to treat mammals in need of treatment. Methods of analyzing mixtures containing conjugated estrogens are also provided.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: February 15, 2005
    Assignee: Endeavor Pharmaceuticals
    Inventors: Edward N. Hill, Thomas W. Leonard, Frederick D. Sancilio, Katherin M. Schlipp, Dean G. Shirazi, Robert R. Whittle
  • Publication number: 20040259851
    Abstract: The present invention includes methods for treating endometrial hyperplasia and vasomotor symptoms through the administration of estrogenic compounds and progestational agents. The methods presented may include starting estrogen therapy with a progestational agent at a high dose, and then lowering the dose once therapy has been shown to be effective.
    Type: Application
    Filed: April 8, 2004
    Publication date: December 23, 2004
    Inventor: Thomas W. Leonard
  • Publication number: 20040259817
    Abstract: A pharmaceutical composition for the treatment of sexual dysfunction, particularly post-menopausal females, is provided. The composition includes a therapeutically effective amount of an estrogenic compound, androgenic compound, vasodilation compound, and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: July 23, 2004
    Publication date: December 23, 2004
    Inventors: R. Forrest Waldon, Thomas W. Leonard
  • Publication number: 20040198670
    Abstract: The present invention relates to novel estrogenic compounds. The present invention also relates to methods of treating estrogen deprivation in a subject comprising administering novel estrogenic compounds. Additionally, the present invention relates to methods of synthesizing novel estrogenic compounds.
    Type: Application
    Filed: April 4, 2003
    Publication date: October 7, 2004
    Inventors: Edward N. Hill, Thomas W. Leonard, Robert R. Whittle
  • Publication number: 20040096497
    Abstract: Methods are disclosed for forming a solid pharmaceutical composition having a desired release profile that include selecting hydroxypropylmethyl cellulose having a particular particle distribution to obtain the desired release profile, and forming a solid pharmaceutical composition comprising a core that comprises a bio-active and the hydroxypropylmethyl cellulose. Solid pharmaceutical compositions are also disclosed that include a bio-active, and hydroxypropylmethyl cellulose having a particle size that is selected to obtain a desired release profile.
    Type: Application
    Filed: February 11, 2003
    Publication date: May 20, 2004
    Inventors: Garratt W. Ponder, Thomas W. Leonard, Christopher L. Holshouser
  • Publication number: 20040072808
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 15, 2004
    Inventor: Thomas W. Leonard
  • Publication number: 20030216366
    Abstract: The present invention includes methods for treating vasomotor symptoms through the administration of estrogenic compounds. The methods presented may include starting estrogen therapy at a high dose, and then lowering the dose once therapy has been shown to be effective.
    Type: Application
    Filed: January 31, 2003
    Publication date: November 20, 2003
    Inventors: Thomas W. Leonard, R. Forrest Waldon
  • Publication number: 20030195177
    Abstract: The present invention combines the administration of estrogens with the administration of non-aromatizing androgens to treat hormonal deficiencies in women undergoing estrogen replacement therapy.
    Type: Application
    Filed: April 29, 2003
    Publication date: October 16, 2003
    Inventors: Thomas W. Leonard, R. Forrest Waldon
  • Publication number: 20030191096
    Abstract: The present invention combines the administration of estrogens with the administration of non-aromatizing androgens to treat frailty in women undergoing estrogen replacement therapy.
    Type: Application
    Filed: October 9, 2002
    Publication date: October 9, 2003
    Inventors: Thomas W. Leonard, R. Forrest Waldon
  • Publication number: 20030158432
    Abstract: A process of producing a stable composition comprising a mixture of sulfated estrogens. The mixture of sulfated estrogens may comprise sulfated alkali metal salts of &Dgr;8,9-dehydroestrone, estrone, and derivatives thereof or other estrogens. The process comprises the steps of sulfating such mixture of alkali metal salts of &Dgr;8,9-dehydroestrone, estrone, and derivatives thereof with a sulfur trioxide complex and adding tris(hydroxymethyl)aminomethane.
    Type: Application
    Filed: January 8, 2002
    Publication date: August 21, 2003
    Inventor: Thomas W. Leonard
  • Publication number: 20030036923
    Abstract: This invention is directed to methods and systems for monitoring compliance with or effectiveness of hormone replacement therapy. The methods and systems of the invention provide an efficient means of communication between medical professionals and patients for between visit monitoring of patient compliance with a prescribed hormone therapy and the effectiveness of the treatment recommended.
    Type: Application
    Filed: May 18, 2001
    Publication date: February 20, 2003
    Inventors: R. Forrest Waldon, Thomas W. Leonard
  • Publication number: 20030004145
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Application
    Filed: May 16, 2002
    Publication date: January 2, 2003
    Inventor: Thomas W. Leonard