Patents by Inventor Ahmed El-Tahtawy

Ahmed El-Tahtawy 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: 9326959
    Abstract: The present invention relates to, among other things, a kit comprising a plurality of dosage forms comprising a first dosage form and second dosage form each comprising a therapeutic agent, such as an opioid; wherein the dosage strength of the second dosage form is greater than that of the first dosage form; and wherein the steady state Cave and the steady state AUC of the first and second dosage forms are dose proportional and the single dose Cmax of the second dosage form is less than the minimum level for dose proportionality with respect to the first dosage form. The present invention also relates to methods of administering such plurality of dosage forms to a patient, comprising administering the first dosage form and thereafter administering the second dosage form.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: May 3, 2016
    Assignee: Purdue Pharma, L.P.
    Inventors: Curtis Wright, Robert Colucci, Ahmed El-Tahtawy
  • Patent number: 9034377
    Abstract: The present invention relates to a plurality of dosage forms comprising a first dosage form and second dosage form each comprising a therapeutic agent, such as an opioid; wherein the dosage strength of the second dosage form is greater than that of the first dosage form; and wherein the steady state Cave and the steady state AUC of the first and second dosage forms are dose proportional and the single dose Cmax of the second dosage form is less than the minimum level for dose proportionality with respect to the first dosage form. The present invention also relates to methods of administering such dosage forms to a patient, as well as to kits comprising such dosage forms and instructions for administration of the dosage forms to a patient. The inventors believe that the dosage forms and methods of the present invention will lead to improved safety and patient acceptance.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: May 19, 2015
    Assignee: Purdue Pharma, L.P.
    Inventors: Curtis Wright, Robert Colucci, Ahmed El-Tahtawy
  • Publication number: 20140187572
    Abstract: The present invention relates to a plurality of dosage forms comprising a first dosage form and second dosage form each comprising a therapeutic agent, such as an opioid; wherein the dosage strength of the second dosage form is greater than that of the first dosage form; and wherein the steady state Cave and the steady state AUC of the first and second dosage forms are dose proportional and the single dose Cmax of the second dosage form is less than the minimum level for dose proportionality with respect to the first dosage form. The present invention also relates to methods of administering such dosage forms to a patient, as well as to kits comprising such dosage forms and instructions for administration of the dosage forms to a patient. The inventors believe that the dosage forms and methods of the present invention will lead to improved safety and patient acceptance.
    Type: Application
    Filed: March 7, 2014
    Publication date: July 3, 2014
    Applicant: Purdue Pharma L.P.
    Inventors: Curtis Wright, Robert Colucci, Ahmed El-Tahtawy
  • Publication number: 20080132532
    Abstract: The present invention relates to a plurality of dosage forms comprising a first dosage form and second dosage form each comprising a therapeutic agent, such as an opioid; wherein the dosage strength of the second dosage form is greater than that of the first dosage form; and wherein the steady state Cave and the steady state AUC of the first and second dosage forms are dose proportional and the single dose Cmax of the second dosage form is less than the minimum level for dose proportionality with respect to the first dosage form. The present invention also relates to methods of administering such dosage forms to a patient, as well as to kits comprising such dosage forms and instructions for administration of the dosage forms to a patient. The inventors believe that the dosage forms and methods of the present invention will lead to improved safety and patient acceptance.
    Type: Application
    Filed: August 30, 2005
    Publication date: June 5, 2008
    Inventors: Curtis Wright, Robert Colucci, Ahmed El-Tahtawy