Diagnostic Or Test Agent Produces Visible Change In Mouth Patents (Class 424/9.7)
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Patent number: 8957215Abstract: The present invention relates to novel heteroaryl substituted benzothiazole derivatives, precursors thereof, and therapeutic uses for such compounds, having the structural formula (I) below: and to their pharmaceutically acceptable salt, compositions and methods of use. Furthermore, the invention relates to novel heteroaryl substituted benzothiazole derivatives that are suitable for imaging amyloid deposits in living patients, their compositions, methods of use and processes to make such compounds. More specifically, the present invention relates to a method of imaging amyloid deposits in brain in vivo to allow antemortem diagnosis of Alzheimer's disease as well as measuring clinical efficacy of Alzheimer's disease therapeutic agents.Type: GrantFiled: April 23, 2012Date of Patent: February 17, 2015Assignee: Navidea Biopharmaceuticals, Inc.Inventors: Ylva Gravenfors, Catrin Jonasson, Jonas Malmstrom, Gunnar Nordvall, David Pyring, Can Slivo, Daniel Sohn, Peter Strom, David Wensbo
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Publication number: 20150017101Abstract: The document proposes a diagnostic chewing gum for identifying the presence of inflammatory tissues in the mouth, in particular in or adjacent to the mandible, the maxilla, an implant or the teeth of a user, comprising a base material or particles (3) embedded and/or attached to said base material; an element (1, 5-7), like e.g. a releasable flavor molecule, attached to said base material and/or said particles, for the generation of a change in the chewing gum directly detectable by the user; wherein the element (1, 5-7) generates the change upon direct or indirect contact with a marker (4), e.g. a proteolytic enzyme, which is released by inflammatory tissue in response to bacterial mediators.Type: ApplicationFiled: March 7, 2013Publication date: January 15, 2015Applicant: THOMMEN MEDICAL AGInventors: Matthias Schnabelrauch, Lorenz Meinel, Falko Schlottig, Ralf Wyrwa
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Patent number: 8778889Abstract: A method for promoting oral hygiene that treats mature biofilms comprises the step of applying the antimicrobial peptide KSL and a surface active agent to the oral environment of applying KSL after mechanical disruption of the biofilm. An antiplaque chewing gum comprising KSL provides a sustained release oral hygiene treatment.Type: GrantFiled: October 18, 2006Date of Patent: July 15, 2014Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Kai P. Leung
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Publication number: 20140170074Abstract: Compositions and methods for deterring and/or visually identifying oral contact with objects that are hazardous upon oral contact or ingestion are disclosed. The compositions generally comprise a colourant and a carrier and may further comprise an aversive agent, a salivating agent, and/or an emetic. The compositions may be particularly useful for application to batteries, including button cells.Type: ApplicationFiled: September 21, 2011Publication date: June 19, 2014Applicant: Victoria Link LimitedInventor: Jeongbin Ok
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Publication number: 20120183927Abstract: Dental compositions including a dye, and in some embodiments dental plaque-disclosing dye, and an adhesive agent. Kits and methods involving the compositions help users to determine proper brushing habits in terms of time, pressure, and brush used based on the removal from tooth enamel of the dye and adhesive mixture in the compositions.Type: ApplicationFiled: December 22, 2011Publication date: July 19, 2012Inventor: Ian I. Cho
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Publication number: 20120107245Abstract: A dental composition and method for detecting carious tissue on the surface of a tooth, and the use of the dental composition to manufacture a remedy for detection of carious tissue. The dental composition can comprise an aqueous solution of 1) at least one acidic compound, 2) at least one salt of said acidic compound, 3) at least one indicator that generates a detectable signal when said solution reaches a particular pH value that is less than 5.5; wherein 1) and 2) are selected such that the aqueous solution has a pH of less than that particular pH value where the indicator generates the signal. The method can comprise the steps of 1) providing the above mentioned dental composition, 2) applying said composition to the surface of said tooth, and 3) measuring the amount of time required for the composition to change color.Type: ApplicationFiled: January 11, 2012Publication date: May 3, 2012Inventors: Rainer Guggenberger, Thomas Luchterhandt, Ingo R. Haeberlein, Oliver Kappler, Miriam Hansen
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Publication number: 20120020891Abstract: The present invention provides various methods of using metabolite profiles correlated with periodontal disease or a health oral status for the diagnosis of periodontal disease, identification of responders and, or non-responders to therapeutic agents for periodontal disease, a method to test the efficacy of test compounds to prevent periodontal disease. The present invention also provides for a dentifrice composition containing an effective amount of a metabolite therapeutic agent which brings about a greater change in metabolite levels compared to a control dentifrice composition.Type: ApplicationFiled: April 1, 2009Publication date: January 26, 2012Applicant: Colgate-Palmolive CompanyInventors: Virginia M. Barnes, Harsh M. Trivedi, Tao Xu
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Publication number: 20110182824Abstract: A dosage form includes a dose of at least one bioactive agent and a substance that is visible to a normal light or to a special light source in the buccal, nasal, vaginal, rectal or ostomic cavity of a patient in order for medical personnel to determine if the patient is being compliant with taking medication or that a person is not truthful in denial of taking medication. The substance is either coating the at least one bioactive agent or intermixed with the at least one bioactive agent in a delivering body, and leaves behind a stain in the cavity for a predetermined period for compliance/abuse assessment.Type: ApplicationFiled: February 12, 2010Publication date: July 28, 2011Inventors: Richard C. FUISZ, Joseph M. Fuisz
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Publication number: 20100239503Abstract: This invention provides novel methods for inducing hair growth and/or inhibiting hair loss and/or inducing nail growth in a mammal. In various embodiments the methods involve administering, e.g., to a mammal in need thereof, a calcium-binding peptide and/or peptide-like moiety in an amount sufficient to induce hair growth and/or to inhibit hair loss. In certain embodiments the agent is topically and/or transdermally administered.Type: ApplicationFiled: February 4, 2010Publication date: September 23, 2010Applicants: The Regents of the University of California, C3 Jian, Inc.Inventors: Daniel K. Yarbrough, Xiaoyang Wu, Wenyuan Shi, Maxwell Anderson
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Publication number: 20100234762Abstract: Methods and kits for assessing the presence of, and for detecting cancer, notably oral cancer, are disclosed. Such methods and kits use one or more lectins operably linked to a fluorophore, wherein the lectin binds differentially to cancerous and non-cancerous tissues, and wherein the fluorophore facilitates visualizing the differential binding. The lectins are applied to the oral mucosa of a subject, the fluorophore is exposed to light, and cancerous regions of the mucosa are visualized. In certain embodiments, the lectin specifically binds to one or more of a ?-galactoside, an ?- or ?-N-acetylglucosamine, or a sialic acid moiety.Type: ApplicationFiled: March 1, 2010Publication date: September 16, 2010Inventors: Gary Pond, John Baeten
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Publication number: 20100034750Abstract: The invention relates to a composition for the detection of tooth demineralisation. More specifically, the invention concerns a composition comprising a complex capable of producing an optical signal characteristic of the presence of free ions, the pharmaceutical uses of such a composition, and methods and a kit for the detection of active demineralisation at tooth surfaces using such a composition.Type: ApplicationFiled: December 21, 2007Publication date: February 11, 2010Inventors: Emma Perfect, Chris Longbottom
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Patent number: 7468177Abstract: 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: GrantFiled: July 16, 2007Date of Patent: December 23, 2008Assignee: Mallinckrodt Inc.Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard B. Dorshow, Joseph E. Bugaj, Muthunadar P. Periasamy
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Patent number: 7384624Abstract: Oral contrast compositions are used as an aid for CAT scans and are ideally fast-flowing and good tasting for assisting in quick preparation of a patient in today's extremely active and busy emergency rooms. An oral contrast used for CAT scans of the esophagus, stomach, duodenum, jejunum, small intestines, colon and rectum is formed from water, diatrizoate meglumine, diatrizoate sodium, preservatives and flavorings.Type: GrantFiled: December 27, 2004Date of Patent: June 10, 2008Inventor: James Raines
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Patent number: 7314610Abstract: A dental composition can include at least one polymerizable resin and at least one anti-stokes up converter. Alternatively, a two-part composition can include at least one dental composition configured for placement onto a person's tooth, and at least one anti-stokes up converter to be combined with the at least one dental composition. The dental composition can be formulated to blend with a person's tooth, and also be capable of changing color to be distinguishable from the tooth when exposed to long wavelength light. The dental composition can be used in a method for performing a dental procedure by applying the dental composition to a tooth, and exposing the dental composition to long wavelength light. Accordingly, the dental composition can aid a dental professional in distinguishing between the location of the dental composition and the tooth.Type: GrantFiled: February 25, 2005Date of Patent: January 1, 2008Assignee: Ultradent Products, Inc.Inventor: Dan Loveridge
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Patent number: 7268155Abstract: Conjugate molecules which include photosensitizer compositions conjugated to non-antibody non-affinity pair targeting moieties and methods of making and using such conjugates are described.Type: GrantFiled: May 9, 2002Date of Patent: September 11, 2007Assignee: The General Hospital CorporationInventors: Tayyaba Hasan, Michael R. Hamblin, Nikos Soukos
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Patent number: 7175430Abstract: The invention relates to deformable, curable or film-forming support materials which contain diagnostically useful additives for locus- and substance-specific intraoral diagnostics, and processes for the preparation of images for intraoral locus- and substance-specific diagnostic purposes, in which diagnostically useful additives are applied to deformable, curable or film-forming support materials containing no diagnostically useful additives, in such a quantity that a diagnostic signal can be observed, the diagnostic result being obtained without a cultivation step.Type: GrantFiled: June 13, 2000Date of Patent: February 13, 2007Assignee: 3M ESPE AGInventors: Oswald Gasser, Rainer Guggenberger, Bernd Gangnus, Ingo Häberlein
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Patent number: 7063980Abstract: A pretreatment kit and a pretreatment kit for saliva in identification and quantitative determination of mutans streptococci by immunochromatography utilizing an antigen-antibody reaction, which can remove aggregation caused by mucin and chain formation of mutans streptococci in saliva in a simple operation and can efficiently flow out a complex of a labeled antibody and mutans streptococci from a porous membrane retaining the labeled antibody, contains (A) a 0.01 to 10 mol/L aqueous solution of sodium hydroxide, (B) a 0.01 to 3 mol/L aqueous solution of tartaric acid and/or citric acid, and (C) a nonionic surface active agent and/or an amphoteric surface active agent, in which the component (C) is mixed with the components (A) and/or (B), or is provided separately, and at least one substance selected from the particular metallic salts is contained in at least one of the components (A), (B) and (C) in an amount of 5 to 25% by weight.Type: GrantFiled: August 22, 2003Date of Patent: June 20, 2006Assignee: GC CorporationInventor: Atsushi Tachino
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Patent number: 7062312Abstract: A method and combination including a visual marker for monitoring a patient to determine compliance with a medication regimen. An orally administrable medication composition is provided in combination with a visual marker. When the combination is orally ingested, the marker causes a coloration or discoloration of the oral and/or pharyngeal cavity of a subject. By visually observing the oral and/or pharyngeal cavity of the subject, one can determine whether medication has been ingested based upon the presence or absence of the coloration/discoloration.Type: GrantFiled: January 17, 2001Date of Patent: June 13, 2006Assignee: PediaMed Pharmaceuticals, Inc.Inventors: Gilbert R. Gonzales, Roger D. Griggs
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Patent number: 6962690Abstract: Fluorescent chelates of lanthanide, terbium, europium and dysprosium with tetraazamacrocyclic compounds are discussed which can be used as fluorescent in vitro or in vivo diagnostic agents. These chelates are tissue specific imaging agents for soft tissue cancers.Type: GrantFiled: October 22, 2002Date of Patent: November 8, 2005Assignees: Dow Global Technologies Inc., Texas Tech UniversityInventors: Garry E. Kiefer, Darryl J. Bornhop
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Patent number: 6830743Abstract: Compounds having the structural formula (A) wherein X is hydrogen, methyl, or Y; Y is —NH—R or hydrogen; and R is methyl or formula (B) are useful as in vivo stains for the detection of dysplastic tissue.Type: GrantFiled: January 22, 2002Date of Patent: December 14, 2004Assignee: Zila Biotechnology, Inc.Inventor: Douglas D. Burkett
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Patent number: 6743925Abstract: A nitroimidazole derivative represented by the following formula (1): [wherein R1 represents a hydrogen atom or a C1-C4 alkanoyl group; and X represents a fluorine atom or an isotope thereof], and a diagnostic imaging agent containing the derivative as an active ingredient. The derivative enables imaging of the ischemic sites of a circulatory organ or imaging of cancer cells, and thus the derivative can provide information about the position and the amount of the ischemic sites or the cancer cells. Therefore, the derivative contributes to selection of appropriate treatment of ischemia or cancer.Type: GrantFiled: August 7, 2002Date of Patent: June 1, 2004Assignees: Pola Chemical Industries, Inc.Inventors: Yoshihiro Takai, Tatsuo Ido, Michihiko Tsujitani
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Patent number: 6447749Abstract: This invention describes galenical formulations that contain perfluoroalkyl-containing dye molecules and other perfluoroalkyl-containing substances. The new formulations are suitable as, i.a., contrast media for near-infrared diagnosis.Type: GrantFiled: September 29, 2000Date of Patent: September 10, 2002Assignees: Schering Aktiengesellschaft, Institut fuer DiagnostikforschungInventors: Kai Licha, Andreas Becker, Bjoern Riefke, Johannes Platzek
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Publication number: 20020119100Abstract: To simply and accurately detect initial dental caries without impairing the aesthetics, the detection material for initial dental caries contains 0.001 to 5% by weight of at least one dye selected from fluorescein sodium, fluorescein potassium, dibromofluorescein sodium, and dibromofluorescein potassium compounded in a solvent. It is preferred that the solvent is one member selected from water, ethanol, glycerin, isobutyl alcohol, ethyleneglycol, diethyleneglycol, triethyleneglycol, acetone, and propylene glycol, or a mixed solution of two or more of these members.Type: ApplicationFiled: December 18, 2001Publication date: August 29, 2002Applicant: GC CorporationInventors: Akane Okada, Yoko Ishihara, Eiichi Yoshii
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Patent number: 6417003Abstract: A method and kit for screening patients for oral epitheleal cancer. The clinician is provided with a kit containing the staining dye test solution in preselected concentration and volume in prepackaged form, to permit the clinician to dispense the solution directly from the package without diluting or reconstituting before application to oral tissue.Type: GrantFiled: September 13, 1994Date of Patent: July 9, 2002Assignee: Zila, Inc.Inventor: Pier J. Cipriani
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Publication number: 20020061278Abstract: The present invention provides a method for detecting chitin-containing organisms on an area of a person or animal by contacting the particular area with a dye that is capable of binding or conjugating to chitin and emitting fluorescence upon exposure to light. If a chitin-containing organism is present in the treated area, the chitin of the organism will bind or conjugate the dye and, upon exposure to light, the chitin-containing organisms may be visualized and removed. Also provided by the present invention are solutions and suspensions that contain a dye capable of binding or conjugating to a chitin-containing organism and emitting fluorescence upon exposure to light. The solutions and suspensions provided herein may be in the form of a shampoo, cream, lotion or detergent for the detection of chitin-containing organisms present in body hair, on the skin, clothing or the fur of animals.Type: ApplicationFiled: November 17, 1998Publication date: May 23, 2002Inventors: EDWARD R. BURNS, MURRAY WITTNER, FAGIE FASKOWITZ
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Patent number: 6391281Abstract: A method of topically applying a fluorescing agent to a cut tooth, cut dental restorative material or dentin surface to distinguish between cut tooth or dentin and existing aesthetic restoration material or enamel specifically for the purposes of detection and identification of the tooth tissue dentin.Type: GrantFiled: May 18, 2000Date of Patent: May 21, 2002Assignee: Medical College of Georgia Research InstituteInventors: Fred Rueggeberg, Don Mettenberg, John Wataha, Frank Caughman, George Schuster
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Publication number: 20020006378Abstract: Compositions having a texaphyrin-lipophilic molecule conjugate loaded into a biological vesicle and methods for imaging, diagnosis and treatment using the loaded vesicle are provided. For example, liposomes or red blood cells loaded with a paramagnetic texaphyrin-lipophilic molecule conjugate have utility as a blood pool contrast agent, facilitating the enhancement of normal tissues, magnetic resonance angiography, and marking areas of damaged endothelium by their egress through fenestrations or damaged portions of the blood vascular system. Liposomes or cells loaded with a photosensitive texaphyrin-lipophilic molecule conjugate can be photolysed, allowing for a photodynamic therapy effect at the site of lysis. Availability of red blood cells loaded with a photosensitive texaphyrin-lipophilic molecule conjugate provides a method for delivering a photodynamic therapeutic agent to a desired site with a high concentration of oxygen.Type: ApplicationFiled: November 20, 1997Publication date: January 17, 2002Inventors: STUART W. YOUNG, MEREDITH WRIGHT, JONATHAN L. SESSLER, TARAK D. MODY, DARREN MAGDA
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Publication number: 20010019709Abstract: The invention relates to compounds useful as radiosensitizers in tumor therapy.Type: ApplicationFiled: May 7, 1999Publication date: September 6, 2001Inventors: WERNER KRAUSE, RUEDIGER LAWACZECK
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Publication number: 20010012636Abstract: A pH sensitive chewing gum kit is provided. The kit may contain chewing gum incorporating a pH sensitive substance. When chewed, the gum may change it's color in response to the oral fluids or salivary pH level. The chewing gum kit may also contain chewing gum with or without artificial sweeteners and one or more pH sensitive members including at least one pH sensitive substance incorporated in at least one portion thereof. When a pH sensitive member is put in contact with oral fluids or saliva, before, during or after chewing the gum, the color of the pH sensitive substance may change to a color which depends on the oral fluids pH value. This color may indicate whether the gum still needs to be chewed in order to achieve a desired oral fluids pH level.Type: ApplicationFiled: March 28, 2001Publication date: August 9, 2001Applicant: Radiancy Inc.Inventors: Zion Azar, Pinchas Shalev
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Patent number: RE44338Abstract: This invention relates to a method of imaging amyloid deposits and to labeled compounds, and methods of making labeled compounds useful in imaging amyloid deposits. This invention also relates to compounds, and methods of making compounds for inhibiting the aggregation of amyloid proteins to form amyloid deposits, and a method of delivering a therapeutic agent to amyloid deposits.Type: GrantFiled: July 17, 2012Date of Patent: July 2, 2013Assignee: The Trustees Of The University Of PennsylvaniaInventors: Hank F. Kung, Mei-Ping Kung, Zhi-Ping Zhuang, Virginia M. Y. Lee, John Q. Trojanowski, Daniel M. Skovronsky
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Patent number: RE44354Abstract: This invention relates to a method of imaging amyloid deposits and to labeled compounds, and methods of making labeled compounds useful in imaging amyloid deposits. This invention also relates to compounds, and methods of making compounds for inhibiting the aggregation of amyloid proteins to form-amyloid deposits, and a method of delivering a therapeutic agent to amyloid deposits.Type: GrantFiled: July 17, 2012Date of Patent: July 9, 2013Assignee: The Trustees Of The University Of PennsylvaniaInventors: Hank F. Kung, Mei-Ping Kung, Zhi-Ping Zhuang, Virginia M. Y. Lee, John Q. Trojanowski, Daniel M. Skovronsky