Patents by Inventor Joseph E. Bugaj

Joseph E. Bugaj 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: 8658433
    Abstract: Novel azo, azide, and sulfenate photoactive compounds and methods using the compounds for photodiagnostic and/or phototherapeutic procedures. The compounds have the formula E-L-DYE-X—Y, wherein DYE is a photoactive component comprising a photoactive diagnostic agent, a photoactive type 1 agent, a photoactive type 2 agent, or a combination thereof; Y is a photoactive component comprising a photoactive type 1 agent, a photoactive type 2 agent, or a combination thereof; E is a targeting component for targeting the compound to an anatomical and/or physiological site of a patient; L is a linking component for linking E to DYE; and X is a linking component for linking DYE to Y.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: February 25, 2014
    Assignee: Mallinckrodt LLC
    Inventors: Raghavan Rajagopalan, Gary L. Cantrell, Samuel I. Achilefu, Joseph E. Bugaj, Richard B. Dorshow
  • Publication number: 20130137975
    Abstract: A method for determining whether to administer a therapeutically effective amount of a receptor tyrosine kinase-inhibiting drug for tumor treatment, by determining a glucose uptake response in the tumor of a mammal. 18FDG-PET (2-deoxy-2-[18F]fluoro-D-glucose positron emission tomography imaging) is used as a predictive, non-invasive, pharmacodynamic biomarker of response following administration of drug.
    Type: Application
    Filed: February 9, 2011
    Publication date: May 30, 2013
    Applicant: OSI PHARMACEUTICALS, LLC
    Inventors: Joseph E. Bugaj, Henry C. Manning, Eliot T. McKinley, Robert C. Wild
  • Publication number: 20110171124
    Abstract: The invention provides methods of determining in situ the EMT status of the cells of a tumor in a patient in vivo, including: (a) providing an EMT-status-detecting conjugate containing an antibody that binds to an EMT-status biomarker, and a reporter molecule; (b) introducing the conjugate into a patient with a tumor, such that the conjugate contacts the EMT-status biomarker of the cells of the tumor; (c) employing a means for detection of the signal from the conjugate at the tumor site; and (d) using a means for image analysis to localize and quantify the signal from the conjugate at the tumor site, a positive signal indicating the presence of epithelial tumor cells if the EMT-status biomarker is an epithelial biomarker, and mesenchymal tumor cells if the EMT-status biomarker is a mesenchymal biomarker.
    Type: Application
    Filed: February 24, 2010
    Publication date: July 14, 2011
    Inventors: Joseph E. Bugaj, Robert C. Wild
  • Patent number: 7767194
    Abstract: Cyanine and indocyanine dye compounds and bioconjugates are disclosed. The present invention includes several cyanine and indocyanine dyes, including bioconjugates of the same, with a variety of bis- and tetrakis (carboxylic acid) homologues. The compounds of the invention may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of compounds of the invention allows favorable delivery to tumor cells as compared to larger molecular weight imaging agents. Further, use of a biocompatible organic solvent such as dimethylsulfoxide may be said to assist in maintaining the fluorescence of compounds of the invention.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: August 3, 2010
    Assignee: Mallinckrodt Inc.
    Inventors: Samuel I. Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Patent number: 7758861
    Abstract: The present invention discloses dye-sulfenate derivatives and their bioconjugates for dual phototherapy of tumors and other lesions. The compounds of the present invention may contain either a mixture of Type 1 and Type 2 agents or a single entity that integrates both units in the same molecules. The compounds are designed to produce both Type 1 and Type 2 phototherapeutic effect at once using dual wavelength light source that will produce singlet oxygen and free radicals at the lesion of interest.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: July 20, 2010
    Assignee: Mallinckrodt Inc.
    Inventors: Raghavan Rajagopalan, Samuel I. Achilefu, Joseph E. Bugaj, Richard D. Dorshow
  • Publication number: 20100022449
    Abstract: Cyanine and indocyanine dye compounds and bioconjugates are disclosed. The present invention includes several cyanine and indocyanine dyes, including bioconjugates of the same, with a variety of bis- and tetrakis (carboxylic acid) homologues. The compounds of the invention may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of compounds of the invention allows favorable delivery to tumor cells as compared to larger molecular weight imaging agents. Further, use of a biocompatible organic solvent such as dimethylsulfoxide may be said to assist in maintaining the fluorescence of compounds of the invention.
    Type: Application
    Filed: May 21, 2009
    Publication date: January 28, 2010
    Applicant: Mallinckrodt Inc.
    Inventors: Samuel I. Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj
  • Patent number: 7608244
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: October 27, 2009
    Assignee: Mallinckrodt Inc.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Publication number: 20090263327
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Application
    Filed: June 1, 2009
    Publication date: October 22, 2009
    Applicant: Mallinckrodt Inc.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Patent number: 7566444
    Abstract: Dye-peptide conjugates useful for diagnostic imaging and therapy are disclosed. The dye-peptide conjugates include several cyanine dyes with a variety of bis- and tetrakis(carboxylic acid) homologues. The small size of the compounds allows more favorable delivery to tumor cells as compared to larger molecular weight imaging agents. The various dyes are useful over the range of 350-1300 nm, the exact range being dependent upon the particular dye. Use of dimethylsulfoxide helps to maintain the fluorescence of the compounds. The molecules of the invention are useful for diagnostic imaging and therapy, in endoscopic applications for the detection of tumors and other abnormalities and for localized therapy, for photoacoustic tumor imaging, detection and therapy, and for sonofluorescence tumor imaging, detection and therapy.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: July 28, 2009
    Assignee: Mallinckrodt Inc.
    Inventors: Samuel I. Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj
  • Patent number: 7556797
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: July 7, 2009
    Assignee: Mallinckrodt Inc.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Patent number: 7514069
    Abstract: Cyanine dye bioconjugates useful for diagnostic imaging and therapy are disclosed. The conjugates include several cyanine dyes with a variety of bis- and tetrakis (carboxylic acid) homologs. The compounds may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of the compounds allows more favorable delivery to tumor cells as compared to larger molecular weight imaging agents. The various dyes are useful over the range of 350 to 1300 nm, the exact range being dependent upon the particular dye. The use of dimethylsulfoxide helps to maintain the fluorescence of the compounds. The inventive compounds are useful for diagnostic imaging and therapy, in endoscopic applications for the detection of tumors and other abnormalities, for localized therapy, for photoacoustic tumor imaging, detection and therapy, and for sonofluoresence tumor imaging, detection and therapy.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: April 7, 2009
    Assignee: Mallinckrodt Inc.
    Inventors: Samuel I. Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Patent number: 7504087
    Abstract: Cyanine and Indocyanine dye compounds and bioconjugates are disclosed. The present invention includes several cyanine and indocyanine dyes, including bioconjugates of the same, with a variety of bis- and tetrakis (carboxylic acid) homologues. The compounds of the invention may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of compounds of the invention allows favorable delivery to tumor cells as compared to larger molecular weight imaging agents. Further, use of a biocompatible organic solvent such as dimethylsulfoxide may be said to assist in maintaining the fluorescence of compounds of the invention.
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: March 17, 2009
    Assignee: Mallinkrodt Inc.
    Inventors: Samuel I. Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Publication number: 20090016965
    Abstract: Methods using internal image antibodies for photodiagnosis and/or phototherapy. The internal image antibodies are conjugated with a photoactive molecule such as a dye or photosensitizer, to target specific regions, such as biological receptors. The photoactive molecules are then activated for diagnosis or therapy. Advantageously, the internal image antibody is specific for a biological receptor, but does not require isolation of the receptor to prepare the antibody, and provides the desired specificity and selectivity for targeted diagnosis or therapy.
    Type: Application
    Filed: July 31, 2008
    Publication date: January 15, 2009
    Inventors: Raghaven Ragajopalan, Joseph E. Bugaj, Samuel I. Achilefu, Richard B. Dorshow
  • Patent number: 7468177
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: December 23, 2008
    Assignee: Mallinckrodt Inc.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Publication number: 20080275017
    Abstract: Novel sulfenate derivatives and their bioconjugates for phototherapy of tumors and other lesions. The sulfenates of the present invention are designed to absorb low-energy ultraviolet, visible, or near-infrared (NIR) region of the electromagnetic spectrum. The phototherapeutic effect is caused by direct interaction of free radicals, the reactive intermediate produced upon photofragmentation of the sulfenate moiety, with the tissue of interest.
    Type: Application
    Filed: July 15, 2008
    Publication date: November 6, 2008
    Inventors: Raghavan Rajagopalan, Gary L. Cantrell, Samuel I. Achilefu, Joseph E. Bugaj, Richard B. Dorshow
  • Patent number: 7438894
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: October 21, 2008
    Assignee: Mallinckrodt, Inc.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
  • Patent number: 7431925
    Abstract: Methods using internal image antibodies for photodiagnosis and/or phototherapy. The internal image antibodies are conjugated with a photoactive molecule such as a dye or photosensitizer, to target specific regions, such as biological receptors. The photoactive molecules are then activated for diagnosis or therapy. Advantageously, the internal image antibody is specific for a biological receptor, but does not require isolation of the receptor to prepare the antibody, and provides the desired specificity and selectivity for targeted diagnosis or therapy.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: October 7, 2008
    Assignee: Mallinckrodt, Inc.
    Inventors: Raghavan Rajagopalan, Joseph E. Bugaj, Samuel I. Achilefu, Richard B. Dorshow
  • Publication number: 20080233050
    Abstract: Disclosed herein are compounds that may be characterized by some as cyanine and indocyanine dye bioconjugates. Compounds disclosed herein may be utilized (e.g., in the form of a pharmaceutically acceptable composition) in a number of medical procedures, such as in the visualization and detection of tumors.
    Type: Application
    Filed: March 9, 2006
    Publication date: September 25, 2008
    Inventors: Samuel I. Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj
  • Patent number: 7427657
    Abstract: The present invention discloses novel sulfenate derivatives and their bioconjugates for phototherapy of tumors and other lesions. The sulfenates of the present invention are designed to absorb low-energy ultraviolet, visible, or near-infrared (NIR) region of the electromagnetic spectrum. The phototherapeutic effect is caused by direct interaction of free radicals, the reactive intermediate produced upon photofragmentation of the sulfenate moiety, with the tissue of interest.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: September 23, 2008
    Assignee: Mallinckrodt Inc.
    Inventors: Raghavan Rajagopalan, Gary L. Cantrell, Samuel I. Achilefu, Joseph E. Bugaj, Richard B. Dorshow
  • Patent number: 7351807
    Abstract: Dye-sulfenate derivatives and their bioconjugates for dual phototherapy of tumors and other lesions.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: April 1, 2008
    Assignee: Mallinckrodt Inc.
    Inventors: Raghavan Rajagopalan, Samuel I. Achilefu, Joseph E. Bugaj, Richard B. Dorshow