Patents Assigned to Purdue Pharma
  • Publication number: 20200155471
    Abstract: There is described, inter alia, a coated bead comprising: (a) a granule; (b) a first layer coated over the granule, the first layer comprising a first amount of an active pharmaceutical ingredient comprising a central nervous system stimulant; and (c) a second layer coated over the first layer, the second layer being present in an amount sufficient to substantially delay release of the active pharmaceutical ingredient in the first layer until after the coated bead reaches a distal intestine portion of a subject to whom the coated bead is administered; and (d) the third layer coated over the second layer, the third layer comprising a second amount of the active pharmaceutical ingredient, the third layer being configured to permit substantially immediate release of the active pharmaceutical ingredient comprised therein. Embodiments related to a solid oral pharmaceutical composition are also described.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 21, 2020
    Applicant: Purdue Pharma
    Inventors: Graeme DONNELLY, Sailaja BHASKAR
  • Patent number: 10111839
    Abstract: There is described, inter alia, a coated bead comprising: (a) a granule; (b) a first layer coated over the granule, the first layer comprising a first amount of an active pharmaceutical ingredient comprising a central nervous system stimulant; and (c) a second layer coated over the first layer, the second layer being present in an amount sufficient to substantially delay release of the active pharmaceutical ingredient in the first layer until after the coated bead reaches a distal intestine portion of a subject to whom the coated bead is administered; and (d) the third layer coated over the second layer, the third layer comprising a second amount of the active pharmaceutical ingredient, the third layer being configured to permit substantially immediate release of the active pharmaceutical ingredient comprised therein. Embodiments related to a solid oral pharmaceutical composition are also described.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: October 30, 2018
    Assignee: Purdue Pharma
    Inventors: Ricardo Alberto Vargas Rincon, Joseph Reiz
  • Patent number: 9974752
    Abstract: There is described, inter alia, a coated bead comprising: (a) a granule; (b) a first layer coated over the granule, the first layer comprising a first amount of an active pharmaceutical ingredient comprising a central nervous system stimulant; and (c) a second layer coated over the first layer, the second layer being present in an amount sufficient to substantially delay release of the active pharmaceutical ingredient in the first layer until after the coated bead reaches a distal intestine portion of a subject to whom the coated bead is administered; and (d) the third layer coated over the second layer, the third layer comprising a second amount of the active pharmaceutical ingredient, the third layer being configured to permit substantially immediate release of the active pharmaceutical ingredient comprised therein. Embodiments related to a solid oral pharmaceutical composition are also described.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 22, 2018
    Assignee: PURDUE PHARMA
    Inventors: Ricardo Alberto Vargas Rincon, Joseph Reiz
  • Patent number: 9066869
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: June 30, 2015
    Assignee: Purdue Pharma
    Inventors: Thinnayam N. Krishnamurthy, Andrew Darke
  • Publication number: 20140194456
    Abstract: Abuse-resistant, controlled release opioid tablets are a combination containing an opioid antagonist such as naloxone at a level above that needed to suppress the euphoric effect of the opioid, if the combination were crushed to break the controlled release properties causing the opioid and opioid antagonist to be released as a immediate release product as a single dose. The controlled release nature of the table prevents the accumulation of orally effective amounts of opioid antagonist when taken normally. The opioid antagonist is contained in a controlled-release matrix and released, over time, with the opioid.
    Type: Application
    Filed: March 11, 2014
    Publication date: July 10, 2014
    Applicant: Purdue Pharma
    Inventors: Frank S. CARUSO, Huai-Hung KAO
  • Publication number: 20140135355
    Abstract: Abuse-resistant, controlled release opioid tablets are a combination containing an opioid antagonist such as naloxone at a level above that needed to suppress the euphoric effect of the opioid, if the combination were crushed to break the controlled release properties causing the opioid and opioid antagonist to be released as an immediate release product as a single dose. The controlled release nature of the tablet prevents the accumulation of orally effective amounts of opioid antagonist when taken normally. The opioid antagonist is contained in a controlled-release matrix and released, over time, with the opioid.
    Type: Application
    Filed: October 30, 2013
    Publication date: May 15, 2014
    Applicant: PURDUE PHARMA
    Inventors: Frank S. CARUSO, Huai-Hung Kao
  • Publication number: 20140107146
    Abstract: Abuse-resistant, controlled release opioid tablets are a combination containing an opioid antagonist such as naloxone at a level above that needed to suppress the euphoric effect of the opioid, if the combination were crushed to break the controlled release properties causing the opioid and opioid antagonist to be released as a immediate release product as a single dose. The controlled release nature of the table prevents the accumulation of orally effective amounts of opioid antagonist when taken normally. The opioid antagonist is contained in a controlled-release matrix and released, over time, with the opioid.
    Type: Application
    Filed: December 20, 2013
    Publication date: April 17, 2014
    Applicant: Purdue Pharma
    Inventors: Frank S. CARUSO, Huai-Hung KAO
  • Publication number: 20140099361
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 10, 2014
    Applicant: PURDUE PHARMA
    Inventors: Thinnayam N. Krishnamurthy, Andrew Darke
  • Patent number: 8580310
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: November 12, 2013
    Assignee: Purdue Pharma
    Inventors: Thinnayam N. Krishnamurthy, Andrew Darke
  • Publication number: 20120021057
    Abstract: An oral once-daily pramipexole formulation, comprising an immediate-release component and a controlled-release component, is provided wherein in preferred embodiments, both the immediate-release component and the controlled-release component comprise pramipexole The formulation is preferably in the form of a coated bead A method of manufacturing said formulation is also provided.
    Type: Application
    Filed: April 7, 2010
    Publication date: January 26, 2012
    Applicant: Purdue Pharma
    Inventor: Thinnayam Naganathan Krishnamurthy
  • Publication number: 20090123554
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Application
    Filed: September 11, 2008
    Publication date: May 14, 2009
    Applicant: Purdue Pharma
    Inventors: Thinnayam N. Krishnamurthy, Andrew Darke
  • Patent number: 7438930
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: October 21, 2008
    Assignee: Purdue Pharma
    Inventors: Thinnayam N. Krishnamurthy, Andrew Darke
  • Publication number: 20070264325
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Application
    Filed: July 17, 2007
    Publication date: November 15, 2007
    Applicant: Purdue Pharma
    Inventors: Thinnayam Krishnamurthy, Andrew Darke
  • Patent number: 7247318
    Abstract: The invention is directed to oral modified/controlled release drug formulations which provide a rapid initial onset of effect and a prolonged duration of effect. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release formulations of the drug, and the duration of effect falls rapidly at the end of the dosing interval.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: July 24, 2007
    Assignee: Purdue Pharma
    Inventors: Thinnayam N. Krishnamurthy, Andrew Darke
  • Patent number: 7060293
    Abstract: An oral dosage form of morphine is formulated by powder-layering an homogeneous mixture of morphine sulfate and hydrous lactose impalpable onto inert beads to obtain a multiparticulate product. A plurality of the powder-layered beads may be administered either in immediate release form or in an extended release form by coating with a hydrophobic material. In addition, multi-particulate oral dosage forms containing therapeutically effective agents containing a plurality of pharmaceutically acceptable inert beads powder-layered with homogeneous mixture of a therapeutically effective agent and hydrous lactose impalpable are also disclosed. A method of preparing the dosage forms as well as a method preparing spheroids containing the homogeneous mixture of therapeutically effective agent and hydrous lactose impalpable are also disclosed.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: June 13, 2006
    Assignee: Purdue Pharma
    Inventors: Benjamin Oshlack, Frank Pedi, Jr.