Patents by Inventor Steven J. Prestrelski

Steven J. Prestrelski 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).

  • Patent number: 11833157
    Abstract: Embodiments of the invention are directed to formulations that provide a solution to the problem of small molecule (e.g., diazepam) precipitation at the injection site when administered as a highly-concentrated formulation. In certain aspects the formulations include at least one surfactant in a non-aqueous formulation, which prevents small molecule precipitation and improves the bioavailability of the drug by enhancing absorption into the systemic circulation.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: December 5, 2023
    Assignee: Xeris Pharmaceuticals, Inc.
    Inventors: Steven J. Prestrelski, Michael A. Sandoval, Brian R. Sloat
  • Patent number: 11446310
    Abstract: Disclosed is a stable liquid formulation for parenteral injection comprising a biocompatible non-aqueous solvent and a small molecule drug, or a salt thereof, solubilized within the non-aqueous solvent, wherein the liquid formulation comprises less than 10% by weight residual water, and wherein the volume of the liquid formulation to be parenterally injected is from 0.1 ?l to 3 ml.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: September 20, 2022
    Assignee: Xeris Pharmaceuticals, Inc.
    Inventors: Steven J. Prestrelski, Nancy Scott
  • Publication number: 20220096493
    Abstract: Embodiments of the invention are directed to formulations that provide a solution to the problem of small molecule (e.g., diazepam) precipitation at the injection site when administered as a highly-concentrated formulation. In certain aspects the formulations include at least one surfactant in a non-aqueous formulation, which prevents small molecule precipitation and improves the bioavailability of the drug by enhancing absorption into the systemic circulation.
    Type: Application
    Filed: May 13, 2021
    Publication date: March 31, 2022
    Inventors: Steven J. PRESTRELSKI, Michael A. SANDOVAL, Brian R. SLOAT
  • Patent number: 11020403
    Abstract: Embodiments of the invention are directed to formulations that provide a solution to the problem of small molecule (e.g., diazepam) precipitation at the injection site when administered as a highly-concentrated formulation. In certain aspects the formulations include at least one surfactant in a non-aqueous formulation, which prevents small molecule precipitation and improves the bioavailability of the drug by enhancing absorption into the systemic circulation.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: June 1, 2021
    Assignee: Xeris Pharmaceuticals, Inc.
    Inventors: Steven J. Prestrelski, Michael A. Sandoval, Brian R. Sloat
  • Publication number: 20210030847
    Abstract: Post-bariatric hypoglycemia (PBH) is an increasingly-recognized complication of gastric bypass surgery. Current therapeutic options have suboptimal efficacy. Small doses of stable liquid glucagon can be used to treat or prevent post-bariatric hypoglycemia.
    Type: Application
    Filed: January 23, 2019
    Publication date: February 4, 2021
    Applicants: XERIS PHARMACEUTICALS, INC., Joslin Diabetes Center, Inc.
    Inventors: Brett NEWSWANGER, Steven J. PRESTRELSKI, Mary-Elizabeth PATTI
  • Publication number: 20200368250
    Abstract: Disclosed is a stable liquid formulation for parenteral injection comprising a biocompatible non-aqueous solvent and a small molecule drug, or a salt thereof, solubilized within the non-aqueous solvent, wherein the liquid formulation comprises less than 10% by weight residual water, and wherein the volume of the liquid formulation to be parenterally injected is from 0.1 ?l to 3 ml.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 26, 2020
    Applicant: Xeris Pharmaceuticals, Inc.
    Inventors: Steven J. PRESTRELSKI, Nancy SCOTT
  • Patent number: 10765683
    Abstract: Disclosed is a stable liquid formulation for parenteral injection comprising a biocompatible non-aqueous solvent and a small molecule drug, or a salt thereof, solubilized within the non-aqueous solvent, wherein the liquid formulation comprises less than 10% by weight residual water, and wherein the volume of the liquid formulation to be parenterally injected is from 0.1 ?l to 3 ml.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: September 8, 2020
    Assignee: Xeris Pharmaceuticals, Inc.
    Inventors: Steven J. Prestrelski, Nancy Scott
  • Publication number: 20180369255
    Abstract: Embodiments of the invention are directed to formulations that provide a solution to the problem of small molecule (e.g., diazepam) precipitation at the injection site when administered as a highly-concentrated formulation. In certain aspects the formulations include at least one surfactant in a non-aqueous formulation, which prevents small molecule precipitation and improves the bioavailability of the drug by enhancing absorption into the systemic circulation.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 27, 2018
    Inventors: Steven J. PRESTRELSKI, Michael A. Sandoval, Brian R. Sloat
  • Patent number: 9642894
    Abstract: Disclosed is a composition for parenteral administration comprising a glucagon peptide which has been dried in a non-volatile glycine buffer, and wherein the glucagon peptide has a pH memory that is about equal to the pH of the glucagon peptide in the non-volatile buffer, wherein the pH memory is between 2.5 to 3.5, an aprotic polar solvent, wherein the peptide is solubilized in the aprotic polar solvent, and wherein the aprotic polar solvent is dimethyl sulfoxide (DMSO), trehalose, glycine, and optionally hydrochloric acid, wherein the moisture content of the composition is less than 5 wt. %.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: May 9, 2017
    Assignee: XERIS PHARMACEUTICALS, INC.
    Inventor: Steven J. Prestrelski
  • Publication number: 20160151385
    Abstract: Disclosed is a stable liquid formulation for parenteral injection comprising a biocompatible non-aqueous solvent and a small molecule drug, or a salt thereof, solubilized within the non-aqueous solvent, wherein the liquid formulation comprises less than 10% by weight residual water, and wherein the volume of the liquid formulation to be parenterally injected is from 0.1 ?l to 3 ml.
    Type: Application
    Filed: July 29, 2015
    Publication date: June 2, 2016
    Inventors: Steven J. PRESTRELSKI, Nancy SCOTT
  • Publication number: 20160120950
    Abstract: The present disclosure is directed to stable pharmaceutical formulations and uses thereof.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 5, 2016
    Applicants: Amylin Pharmaceuticals, LLC, AstraZeneca Pharmaceuticals LP
    Inventors: Robert N. Jennings, John T.H. Ong, Christopher A. Rhodes, Gregg Stetsko, Steven J. Prestrelski
  • Publication number: 20150250855
    Abstract: Disclosed is a composition for parenteral administration comprising a glucagon peptide which has been dried in a non-volatile glycine buffer, and wherein the glucagon peptide has a pH memory that is about equal to the pH of the glucagon peptide in the non-volatile buffer, wherein the pH memory is between 2.5 to 3.5, an aprotic polar solvent, wherein the peptide is solubilized in the aprotic polar solvent, and wherein the aprotic polar solvent is dimethyl sulfoxide (DMSO), trehalose, glycine, and optionally hydrochloric acid, wherein the moisture content of the composition is less than 5 wt. %.
    Type: Application
    Filed: April 1, 2015
    Publication date: September 10, 2015
    Inventor: Steven J. Prestrelski
  • Patent number: 9125805
    Abstract: Disclosed is a stable liquid formulation for parenteral injection comprising a biocompatible non-aqueous solvent and a small molecule drug, or a salt thereof, solubilized within the non-aqueous solvent, wherein the liquid formulation comprises less than 10% by weight residual water, and wherein the volume of the liquid formulation to be parenterally injected is from 0.1 ?l to 3 ml.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 8, 2015
    Assignee: Xeris Pharmaceuticals, Inc.
    Inventors: Steven J. Prestrelski, Nancy Scott
  • Patent number: 9018162
    Abstract: Disclosed is a method for treating or preventing hypoglycemia in a patient comprising administering an effective amount of a composition comprising a glucagon peptide which has been dried in a non-volatile buffer, and wherein the glucagon peptide has a pH memory that is about equal to the pH of the glucagon peptide in the non-volatile buffer, and an aprotic polar solvent, wherein the moisture content of the formulation is less than 5%, and wherein the dried glucagon peptide maintains the pH memory that is about equal to the pH of the glucagon peptide in the non-volatile buffer when the dried glucagon peptide is reconstituted in the aprotic polar solvent, wherein the patient has been diagnosed as having a blood glucose level between 0 mg/dL and less than 50 mg/dL or has an indication of impending hypoglycemia based on a blood glucose monitoring device before administration of the composition, and wherein the patient has a blood glucose level greater than 50 mg/dL to 180 mg/dL within 1 to 20 minutes after admin
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 28, 2015
    Assignee: Xeris Pharmaceuticals, Inc.
    Inventor: Steven J. Prestrelski
  • Publication number: 20150111824
    Abstract: The present disclosure is directed to stable pharmaceutical formulations and uses thereof.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 23, 2015
    Inventors: Robert N. JENNINGS, John T.H. ONG, Christopher A. RHODES, Gregg STETSKO, Steven J. PRESTRELSKI
  • Publication number: 20140221288
    Abstract: Disclosed is a method for treating or preventing hypoglycemia in a patient comprising administering an effective amount of a composition comprising a glucagon peptide which has been dried in a non-volatile buffer, and wherein the glucagon peptide has a pH memory that is about equal to the pH of the glucagon peptide in the non-volatile buffer, and an aprotic polar solvent, wherein the moisture content of the formulation is less than 5%, and wherein the dried glucagon peptide maintains the pH memory that is about equal to the pH of the glucagon peptide in the non-volatile buffer when the dried glucagon peptide is reconstituted in the aprotic polar solvent, wherein the patient has been diagnosed as having a blood glucose level between 0 mg/dL and less than 50 mg/dL or has an indication of impending hypoglycemia based on a blood glucose monitoring device before administration of the composition, and wherein the patient has a blood glucose level greater than 50 mg/dL to 180 mg/dL within 1 to 20 minutes after admin
    Type: Application
    Filed: March 14, 2013
    Publication date: August 7, 2014
    Inventors: Steven J. Prestrelski, Brett Newswanger
  • Publication number: 20140005135
    Abstract: Disclosed is a stable liquid formulation for parenteral injection comprising a biocompatible non-aqueous solvent and a small molecule drug, or a salt thereof, solubilized within the non-aqueous solvent, wherein the liquid formulation comprises less than 10% by weight residual water, and wherein the volume of the liquid formulation to be parenterally injected is from 0.1 ?l to 3 ml.
    Type: Application
    Filed: March 14, 2013
    Publication date: January 2, 2014
    Applicant: XERIS PHARMACEUTICALS, INC.
    Inventors: Steven J. Prestrelski, Nancy Scott
  • Publication number: 20100173005
    Abstract: A composition is provided for administration to a subject by way of a needleless syringe. The composition is formed from particles having a mean mass aerodynamic diameter of from 1 to 250 microns, and an envelope density of from 0.1 to 25 g/cm.sup.3, where the particles include a biologically active agent and a sustained-release material that controls release of the active agent to a subject following administration of the composition thereto. Methods for delivering a biologically active agent to a subject are also provided.
    Type: Application
    Filed: March 1, 2010
    Publication date: July 8, 2010
    Applicant: POWDER PHARMACEUTICALS INCORPORATED
    Inventors: Steven J. PRESTRELSKI, Terry L. BURKOTH, Gordon M. SAUL, Kevin J. BRODBECK
  • Publication number: 20080200383
    Abstract: The present disclosure is directed to stable pharmaceutical formulations and uses thereof.
    Type: Application
    Filed: April 6, 2006
    Publication date: August 21, 2008
    Applicant: Amylin Pharmaceuticals, Inc.
    Inventors: Robert N. Jennings, John T.H. Ong, Christopher A. Rhodes, Gregg Stetsko, Steven J. Prestrelski
  • Patent number: 7229645
    Abstract: A process for producing a powder comprises spray freeze-drying an aqueous solution or suspension comprising a pharmaceutical agent, said solution or suspension having a solids content of 20% by weight or more. The spray freeze-dried powder may be administered to a subject via a needleless syringe.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: June 12, 2007
    Assignee: Powderject Research Limited
    Inventors: Yuh-Fun Maa, Steven J. Prestrelski, Terry L. Burkoth