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Photodynamic Therapy patents



      
           
This page is updated frequently with new Photodynamic Therapy-related patent applications. Subscribe to the Photodynamic Therapy RSS feed to automatically get the update: related Photodynamic RSS feeds. RSS updates for this page: Photodynamic Therapy RSS RSS



Date/App# patent app List of recent Photodynamic Therapy-related patents
07/30/15
20150210642 
 Pyridinone compounds for use in photodynamic therapy patent thumbnailnew patent Pyridinone compounds for use in photodynamic therapy
A compound which is a compound of formula (i) or any salt thereof: wherein r1 is a ci-c6 alkyl group, r2 is h or a ci-c6 alkyl group, r3 is h or a ci-c6 alkyl group, and n is an integer from 0 to 5.. .
University Of Exeter


07/30/15
20150209428 
 Pharmaceutical compositions for topical delivery of photosensitizers and uses thereof patent thumbnailnew patent Pharmaceutical compositions for topical delivery of photosensitizers and uses thereof
The present disclosure includes and provides compositions comprising photosensitizing agents and their use in photodynamic therapy for the treatment of dermatological conditions.. .
Dermira, Inc.


07/23/15
20150202293 
 Conjugate of a photosensitiser and chitosan and uses thereof patent thumbnailConjugate of a photosensitiser and chitosan and uses thereof
The present invention relates to novel chitosan-based conjugates, e.g. Nanocarriers, comprising a derivative of the biocompatible polymer chitosan conjugated to a photosensitising agent, and uses thereof in photochemical internalisation (pci) and photodynamic therapy (pdt).
Pci Biotech As


06/18/15
20150164423 
 Apparatuses for positioning within an internal channel patent thumbnailApparatuses for positioning within an internal channel
Methods and apparatuses for positioning medical devices onto (or close to) a desired portion of the interior wall of an internal channel, such as for scan imaging, for photodynamic therapy and/or for optical temperature measurement. In one embodiment, a catheter assembly has a distal portion that can be changed from a configuration suitable for traversing the internal channel to another configuration suitable for scan at least a spiral section of the interior wall of an internal channel, such as an artery.
Advanced Cardiovascular Systems, Inc.


06/11/15
20150158877 
 Dualistic substituted phthalocyanine zinc formula, process of separating the same and use thereof patent thumbnailDualistic substituted phthalocyanine zinc formula, process of separating the same and use thereof
The invention discloses a pharmaceutical formula used in photodynamic therapy (pdt) for cancer or precancerous lesions. The formula includes four components of disulfonic acid diphthaloyl iminomethyl dualistic substituted phthalocyanine zinc alkali salt.
Fuzhou University


06/11/15
20150157714 
 Implementation of non-pathogenic bioluminescent bacteria as a sub-micron light emitting source for photo-dynamic therapy in the lungs patent thumbnailImplementation of non-pathogenic bioluminescent bacteria as a sub-micron light emitting source for photo-dynamic therapy in the lungs
Systems and methods for treating a pathogenic bacterial infection are provided. The treatment may include introducing bioluminescent bacteria into a lung of a human or animal subject, and performing photodynamic therapy on the lung using light emitted from the bioluminescent bacteria..
Nomir Medical Technologies, Inc.


05/21/15
20150141902 
 Abnormal electrical conduction blocking apparatus using photodynamic therapy (pdt) patent thumbnailAbnormal electrical conduction blocking apparatus using photodynamic therapy (pdt)
There are provided an apparatus and a method for blocking abnormal conduction in the cardiac muscle using a photodynamic therapy or for treating arrhythmia. There is provided a catheter ablation apparatus for the treatment of arrhythmia using a photodynamic therapy, comprising a catheter leading a photoradiation unit to an abnormal electrical conduction site or a hyperexcitability occurring site in the cardiac muscle of a test subject in which a photosensitizer is present by administering the photosensitizer beforehand and which causes arrhythmia, means for generating a light ray with which the abnormal electrical conduction site or the hyperexcitability occurring site is irradiated, and means for transmitting the light ray to the abnormal electrical conduction site or the hyperexcitability occurring site, wherein the photosensitizer used is a water-soluble chlorine-based photosensitizer and the light ray used is a light ray having an excitation wavelength equal to that of the photosensitizer..
Keio University


05/21/15
20150141478 
 Series of drugs using photofrin to catalyze decomposition of hydrogen peroxide patent thumbnailSeries of drugs using photofrin to catalyze decomposition of hydrogen peroxide
The present invention relates to a series of new drugs which refer to chemical series capable of catalyzing the decomposition of h2o2 to generate singlet oxygen (1o2). The drugs relate to therapeutic mechanisms, different from traditional photodynamic therapy, in which the specific affinity of photofrin to focus, such as tumors, vascular plaques and skin diseases is utilized.
Wuxi Zhaozhen Radiation Technology Co., Ltd.


05/21/15
20150140022 
 Novel photoimmunoconjugates for use in photodynamic therapy patent thumbnailNovel photoimmunoconjugates for use in photodynamic therapy
The photosensitizer is coupled to the binding protein via o6-alkylguanine-dna alkyltransferase (hagtm), a modified human dna repair protein.. .

04/16/15
20150105667 
 Illuminator for photodynamic therapy patent thumbnailIlluminator for photodynamic therapy
An apparatus and method for photodynamic therapy or photodynamic diagnosis using an illuminator comprising a plurality of light sources generally conforming to a contoured surface and irradiating the contoured surface with substantially uniform intensity visible light. The light sources may comprise generally u-shaped fluorescent tubes that are driven by electronic ballasts.
Dusa Pharmaceuticals, Inc.


03/26/15
20150087050 

Functionalized porous silicon nanoparticles and use thereof in photodynamic therapy


Disclosed are nanovectors of formula (i) that can be used simultaneously for the targeting, imaging and treatment, by photodynamic therapy, of cancer cells, and to biodegradable silicon nanoparticles containing a variety of photosensitizing molecules, in particular porphyrins, capable of targeting diseased cells and inducing cell death by excitation in the near-infrared region (>600 nm) in monophotonic and biphotonic modes. In formula (i), (aa) is a porous silicon nanoparticle..
Ecole National Superieure De Chimie De Montpellier


02/26/15
20150057724 

Guided photodynamic therapy


A photodynamic therapy (pdt) system with an elongated interventional device (idv) with a bundle of optical fibers (f1, f2, f3) forming respective light exit ports which can be individually accessed. The bundle has an optical shape sensing fiber (oss), e.g.
Koninklijke Philips N.v.


02/19/15
20150050217 

Ultrafine nanoparticles as multimodal contrast agent


The invention relates to a novel use of ultrafine nanoparticles, of use as a diagnostic, therapeutic or theranostic agent, characterized by their mode of administration via the airways. The invention is also directed toward the applications which follow from this novel mode of administration, in particular for imaging the lungs, and the diagnosis or prognosis of pathological pulmonary conditions.
Universite Joseph Fourier


01/29/15
20150030989 

Handheld device for delivering photodynamic therapy


The present invention relates to a handheld dental device that provides photodynamic therapy. The device of the present invention may have an elongated housing; an applicator tip extending from the distal end of the housing; wherein the applicator tip has a lumen defined by a wall; an optic fiber extending through the lumen of the applicator tip; at least one power source attached to or residing within the housing; at least one light source that provides light to the optic fiber and emits a wavelength that ranges from about 650 nm to about 1400 nm; and at least one oxygen source that provides oxygen to a passage that communicates with the oxygen source and the applicator tip.
The Forsyth Institute


01/15/15
20150018751 

Device for photodynamical therapy of cancer


A method and device for photodynamic therapy for treating cancer. The method includes: providing a photodynamic therapeutic device for treating cancer.

01/01/15
20150005693 

Photodynamic therapy for tumors with localized delivery


A system for treatment of tumors includes a vessel having a photosensitizing agent therein, a delivery device for communicating the photosensitizing agent from the vessel to tumor tissue, a light source for radiating the tumor tissue after the delivery device has delivered the photosensitizing agent to the tumor tissue, a catheter having at least one inflatable balloon positioned thereon, and a fluid source that repeatedly inflates and at least partially deflates the inflatable balloon such that a resecting outer surface of the balloon contacts the radiated tumor tissue and resects the tissue.. .

12/25/14
20140377180 

Photoacoustic contrast agent having lipid particle containing silicon naphthalocyanine analog


A conventional silicon naphthalocyanine-containing liposome is required to incorporate a dye dispersed therein for use in photodynamic therapy, and is thus low in dye content and also low in photoacoustic signal. According to a lipid particle containing a silicon naphthalocyanine analog, in which the ratio a/b of an absorption coefficient a at a first absorption local maximum to an absorption coefficient b at a second absorption local maximum in a range from 700 nm to 800 nm is 5.0 or less, the dye content in the lipid particle can be increased and the photoacoustic signal intensity can be improved..
Canon Kabushiki Kaisha


12/18/14
20140371286 

De novo synthesis of bacteriochlorins


To produce the bacteriochlorin, wherein r is an acetal or aldehyde group. The condensing may be carried out in an organic solvent, preferably in the presence of an acid.

12/11/14
20140364795 

Synthesis of upconversion nanocomposites for photodynamic therapy


The present invention refers to a composite material including at least one upconversion particulate material that under near infrared (nir) irradiation emits visible light of a wavelength between 380 and 740 nm, and at least one semiconductor particulate material that can absorb the visible light emitted by the at least one upconversion particulate material and upon absorbance generates reactive species, wherein the at least one upconversion particulate material and the at least one semiconductor particulate material are physiologically acceptable. The upconversion particulate material can comprises nayf4 doped with a one rare earth metal.

12/04/14
20140356397 

Immunogenic treatment of cancer


The present invention provides an immunomodulator for use in the treatment and/or control of a neoplastic disease in a patient intended to undergo immunogenic cell death therapy simultaneously, separately or sequentially with administration of the immunomodulator. The therapy can be selected from microwave irradiation, targeted radiotherapy, embolization, cryotherapy, ultrasound, high intensity focused ultrasound, cyberknife, hyperthermia, radiofrequency ablation, cryoablation, electrotome heating, hot water injection, alcohol injection, embolization, radiation exposure, photodynamic therapy, laser beam irradiation, and combinations thereof..

11/27/14
20140349957 

Compositions for photodynamic therapy chemically modified to increase epithelia penetration and cellular bioavailability


The present invention describes a photodynamic prodrug, i.e., a substituted 4-thiothymidine (4-tt), which is able to cross the body's epithelia tissues such as the skin, oral cavity, nasal cavity, pulmonary tract, digestive tract, and blood-brain barrier, including the use of such a prodrug in a topical application for the treatment of skin hyperplasias, including skin cancer, psoriasis, keloids, actinic keratosis, and the like.. .

11/06/14
20140330261 

Catheter for performing photodynamic ablation of cardiac muscle tissue via photochemical reaction


This invention provides a catheter used for blocking abnormal conduction in the cardiac muscle using photodynamic therapy or treating arrhythmia and a method for evaluating the therapeutic effects of the catheter. The catheter has a structure that freely bends at its end, which is used for performing photodynamic ablation of cardiac muscle tissue via photochemical reactions in the blood vessel or cardiac lumen.

10/23/14
20140316491 

Compositions and methods for reducing photosensitivity associated with photodynamic therapy


The present invention provides compositions and methods for decreasing photosensitivity induced by photodynamic therapy (pdt). The compositions and methods of the present method employ porphyrin complexing molecules as agents for reducing photosensitivity..

10/02/14
20140296524 

Halogenated compounds for photodynamic therapy


Halo-organic heterocyclic compounds are described, in which at least two halogen atoms are bound to a nitrogen-containing heterocyclic terminal moiety of the compound, with at least one of such halogen atoms being iodine or bromine. Also described are polymethine dyes based on these heterocyclic compounds, and dendrimeric compounds and conjugates of such polymethine dyes.

10/02/14
20140296511 

Halogenated compounds for photodynamic therapy


Halo-organic heterocyclic compounds are described, in which at least two halogen atoms are bound to a nitrogen-containing heterocyclic terminal moiety of the compound, with at least one of such halogen atoms being iodine or bromine. Also described are polymethine dyes based on these heterocyclic compounds, and dendrimeric compounds and conjugates of such polymethine dyes.

09/25/14
20140288351 

Multispectral therapeutic light source


A light source apparatus including light spectrum-converting materials that emit light primarily over large portions of the 360 nm-480 nm and the 590-860 nm spectral range is provided. This apparatus provides a cooled, high-luminance, high-efficiency light source that can provide a broader spectrum of light within these spectral ranges than has been cost-practical by using many different dominant peak emission leds.

08/28/14
20140243534 

Halogenated compounds for photodynamic therapy


Halo-organic heterocyclic compounds are described, in which at least two halogen atoms are bound to a nitrogen-containing heterocyclic terminal moiety of the compound, with at least one of such halogen atoms being iodine or bromine. Also described are polymethine dyes based on these heterocyclic compounds, and dendrimeric compounds and conjugates of such polymethine dyes.

08/07/14
20140220143 

Immune-stimulating photoactive hybrid nanoparticles


Provides is a therapeutic technology that combines the phototoxic and immune-stimulating ability of photodynamic therapy with the widespread effectiveness of the immune system to reduce the viability of such as cancer cells and tumors. The nanoparticle compositions of the disclosure combine an immunostimulant with a photosensitizer using a nanoparticle delivery platform.

07/31/14
20140212476 

Method of targeting hydrophobic drugs to vascular lesions


This invention relates to the targeted delivery of hydrophobic drugs or combinations of hydrophobic drugs with photodynamic therapy agents to vascular lesions by complexation of the drugs to blood serum lipoproteins, which have an affinity for and accumulate in such vascular lesions.. .

07/03/14
20140188034 

Therapeutic agent for allergic rhinitis


Provided is a therapeutic agent capable of treating allergic rhinitis in a safe, simple, and noninvasive manner substantially without side effects and physical distress to patients. Provided is a therapeutic agent for allergic rhinitis for 5-aminolevulinic acid-based photodynamic therapy (ala-pdt) comprising 5-aminolevulinic acid (ala) or a derivative thereof, or a salt of the 5-aminolevulinic acid or the derivative as an active ingredient, and used in ala-pdt in which light having a wavelength of 400 nm to 700 nm is irradiated; and particularly provided is a therapeutic agent for allergic rhinitis in a locally applied solution form, a water-soluble ointment-dissolved form, a jelly-dissolved form, or the like.

07/03/14
20140187843 

Radioisotope-photodynamic therapy for cancer treatment


The present invention provides compositions and methods for radioisotope-photodynamic therapy for treating cancer. Specifically, the invention relates to compositions and methods for administering a radiation emitter, a rare-earth doped down-converting nanophosphor and a photosensitizer for treating cancer..

06/26/14
20140179918 

Metallocorroles


Metallocorrole complexes of third row transition metals (see formula i below) may be used as therapeutic agents, catalysts, components of oxygen detectors, and components of light emitting diodes. In particular, metallocorrole complexes of third row transition metals may be used as improved photosenitizers in photodynamic therapy; as improved catalysts in aziridination, epoxidation, and water splitting reactions; as improved in vivo imaging agents; and as improved components in the emissive layer of oleds.

06/26/14
20140178407 

Methods and compositions for treating conditions of the eye


Provided are methods and compositions for treating ocular conditions characterized by the presence of unwanted choroidal neovasculature, for example, neovascular age-related macular degeneration. The selectivity and sensitivity of, for example, a photodynamic therapy (pdt)-based approach can be enhanced by combining the pdt with an anti-fasl factor, for example, an anti-fasl neutralizing antibody..

06/12/14
20140163451 

Methods and compositions for treating conditions of the eye


Provided are methods and compositions for the photodynamic therapy (pdt) of ocular conditions characterized by the presence of unwanted choroidal neovasculature, for example, neovascular age-related macular degeneration. The selectivity and sensitivity of the pdt method can be enhanced by combining the pdt with an anti-angiogenesis factor, for example, angiostatin or endostatin, or with an apoptosis-modulating factor.

06/12/14
20140163218 

Novel phthalocyanine derivatives for therapeutic use


There are described phthalocyanine derivates, the pharmaceutical compositions and the medical devices that contain them, possibly in combination with chelating agents, such as edta, useful for treating, by means of photodynamic therapy, diseases characterised by cellular hyperproliferation, microbial infections caused by gram− bacteria, gram+ bacteria and fungi, and for treating various types of infected and non-infected ulcers.. .

06/12/14
20140161773 

Use of an agent that restores tissue perfusion and oxygenation


The presently disclosed subject matter provides methods for increasing perfusion in hypoxic regions of tissues in subjects. Also provided are methods for treating diseases and/or disorders associated with hypoxia in subjects, methods for increasing sensitivity of tumors to radiation and/or chemotherapy treatments, methods for delaying tumor growth in subjects, and methods for inhibiting tumor blood vessel growth in subjects.

06/05/14
20140155333 

Compositions and methods for cancer treatment using targeted carbon nanotubes


Compositions for detecting and/or destroying cancer tumors and/or cancer cells via photodynamic therapy are disclosed, as well as methods of use thereof. The compositions comprise a linking protein or peptide attached to or otherwise physically associated with a carbon nanotube to form a targeted protein-carbon nanotube complex..

06/05/14
20140154325 

In vivo photodynamic therapy of cancer via a near infrared agent encapsulated in calcium phosphate nanoparticles


Nano-encapsulated photosensitizers and their use in the treatment of tumors and/or imaging is described. Preferably, the photosensitizers are encapsulated in a calcium phosphate nanoparticle (cpnp).

06/05/14
20140154181 

Rgd-containing peptidomimetics and uses thereof


The invention provides rgd-containing cyclic peptidomimetics; conjugates of said peptidomimetics and a moiety of a payload selected from fluorescent probes, photosensitizers, chelating agents, or cytotoxic agents; and pharmaceutical compositions comprising these conjugates. The conjugates of the invention are useful both for diagnostic purposes and treatment of various diseases, disorders and conditions.

05/08/14
20140128799 

Photodynamic therapy using photosensitizing agent or 5-aminolevulinic acid


It is to provide photodynamic therapy (pdt) and photodynamic diagnosis (pdd) which are suitable for the diagnosis and therapy of a part requiring a certain degree of deep penetration, such as subcutaneous cancer and lymph nodes surrounded by blood vessels and fat. This is solved by performing pdt and pdd targeting cancer by administering a composition comprising a photosensitizing agent such as a tetrapyrrole-based compound (photofrin, protoporphyrin ix, etc.) or alas such as 5-aminolevulinic acid (ala), ala methyl ester, ala ethyl ester, ala propyl ester, ala butyl ester, ala pentyl ester, or a hydrochloride, phosphate, or sulfate thereof followed by irradiation with excitation light at a wavelength of 480 to 580 nm..

04/17/14
20140107332 

Series of drugs using photofrin to catalyze decomposition of hydrogen peroxide


The present invention relates to a series of new drugs which refer to chemical series capable of catalyzing the decomposition of h2o2 to generate singlet oxygen (1o2). The drugs relate to therapeutic mechanisms, different from traditional photodynamic therapy, in which the specific affinity of photofrin to focus, such as tumors, vascular plaques and skin diseases is utilized.

04/10/14
20140100271 

New 5-aminolevulinic acid prodrugs for use in photodynamic therapy and photodynamic diagnosis


And salts thereof, where r1 is an oxime or an alkylated oxime; the alkylated oxime comprises a linear or branched alkyl group of length c1 to c5; and r2 are each independently (a) an unsubstituted or substituted linear or branched alkyl group of chain length c1-7, (b) an aryl substituted alkyl group, where the aryl group is substituted, (c) an alkoxy substituted alkyl group, where the alkoxy group is substituted by a methoxy group or an alkoxy group substituted with an alkoxy group, or (d) an h atom, where the substituents in (a) and (b) are hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, amino, aryl, nitro, oxo or fluoro groups. The compounds may be used as a medicament..

03/06/14
20140067024 

Dual panel photodynamic therapy lamp


A photodynamic therapy lamp includes two lamp modules comprising an array of leds. Each of the lamp modules is movable between a first position in which an angle between the lamp modules is from 157 degrees to 180 degrees, and a second position in which the angle between the lamp modules is from 50 degrees to 70 degrees..

02/27/14
20140056817 

Photodynamic therapy or diagnostic agent, using infrared-spectrum light


It is intended to provide a therapeutic and/or diagnostic agent that can be used in photodynamic therapy (pdt) or photodynamic diagnosis (pdd) capable of utilizing infrared-spectrum light such as near-infrared light (nir), infrared light, or far-infrared light, which attains a deep body penetration. The present invention provides a photodynamic therapeutic or diagnostic agent or a photodynamic therapeutic or diagnostic kit for cancer or infectious disease, comprising: a particle (e.g., a lanthanide particle) that emits upconversion luminescence by infrared-spectrum light such as near-infrared light having a wavelength of 0.7 μm to 2.5 μm; and a photosensitizer (e.g., porphyrin) or a 5-aminolevulinic acid group..

02/13/14
20140046290 

Synthesis of 2-(4-aminophenyl)benzothiazole derivatives and use thereof


The present invention provides a photodynamic therapy to a patient having at least one tumor comprising the steps of: administering a compound of formula 6 (wherein r1 and r2 are defined as the above) in a pharmaceutically acceptable carrier to the patient; waiting for a sufficient time to allow the administered compound to be taken up by a target tissue having the at least one tumor; and irradiating a region of the patient containing the target tissue, wherein growth of the tumor is inhibited.. .

02/06/14
20140039474 

Light diffuser and process for producing the same


A light diffuser, which is particularly suitable for introducing diffuse light into a tissue, is produced by interpenetration of a diffuser material in a liquid state into a boundary layer of a porous shaping material, by which process a diffuser surface is formed having a surface structure which represents essentially a negative of the pore structure of the shaping material and includes undercut structures induced by a surface tension. The light diffuser is e.g.

02/06/14
20140039379 

Continuous low irradiance photodynamic therapy system and method


Systems and methods are providing for treating a patient with continuous low irradiance photodynamic therapy. A disclosed method includes applying a photosensitizer to the patient; applying a conformable skin facing light applicator to the patient; and providing continuous low irradiance photodynamic therapy through the light applicator.

02/06/14
20140039322 

Diagnostic device, therapeutic device, and uses thereof


Apparatus, method, computing devices, and computer programs related to photodiagnosis and photodynamic therapy, methods of use thereof, and a method for detecting abnormal tissue, are provided.. .

01/30/14
20140031739 

Use of fusarochromanone and its derivatives in the diagnosis and treatment of cancer and other diseases


A method of photodynamic therapy to treat diseased cells in an animal is generally provided. According to the method, 5-amino-2,2-dimethyl-6-[3′-(r,s)amino-4′-hydroxy-butan-1-one]-2,3-dihydro-4h-1-benzopyran-4-one or an analog thereof is administered to the animal such that the 5-amino-2,2-dimethyl-6-[3′-(r,s)amino-4′-hydroxy-butan-1-one]-2,3-dihydro-4h-1-benzopyran-4-one or an analog thereof accumulates in the diseased cells.

01/30/14
20140031702 

Two-way photodynamic therapy stereo colposcope for diagnosing and treating diseases of the female genital tract


A stereo colposcope having variable linearity filter systems for both the excitation step and the suppression step, and can be used universally with any fluorescent compound or drug, as is the case of photodynamic diagnosis (pdd). The colposcope is a two-way colposcope because the treatment can be administered by an optical system or by a light-producing radio-frequency electrical current with a diathermic effect which facilitates photodynamic treatment.

12/26/13
20130345417 

Water soluble anionic bacteriochlorophyll derivatives and their uses


The invention provides anionic water-soluble tetracyclic and pentacyclic bacteriochlorophyll derivatives (bchls) containing at least one, preferably two or three, negatively charged groups and/or acidic groups that are converted to negatively charged groups at the physiological ph, preferably bchls having a group coo<−>, cos<−>, so3<−>, po3<2−>, cooh, cosh, so3h, and/or po3h2 bound through an ester or amide bond to one or more of the positions 17<3>, 13<3>, and 3<2> of the tetracyclic or pentacyclic bchl molecule, for photodynamic therapy and diagnosis.. .

12/19/13
20130338650 

Nonlinear optical photodynamic therapy (nlo-pdt) of the cornea


The embodiments include method of nonlinear optical photodynamic therapy of tissue including the steps of providing pulsed infrared laser light for two-photon excited fluorescence tissue exposure, and selectively focusing the pulsed infrared laser light within the tissue at a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue. The invention is also directed to an apparatus for performing nonlinear optical photodynamic therapy of tissue including a pulsed infrared laser for providing two-photon excited fluorescence beam tissue exposure, a scanner for selectively and controllably moving the tissue and the beam relative to each other, and optics for selectively focusing the pulsed infrared laser light within the tissue at a point in a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue..

11/28/13
20130315989 

Method for treating a patient via photodynamic therapy comprising a macromolecular capsule


A composition for photodynamic therapy including a polymer capsule having a diameter of about 10 nm to about 2000 nm synthesized by copolymerization of a flat aromatic compound represented by formula 1 (see the specification) and an organic compound represented by formula 2 (see the specification).. .

11/28/13
20130315834 

Nanoprobe comprising gold colloid nanoparticles for multimodality optical imaging of cancer and targeted drug delivery for cancer


The present invention is directed to a nanoparticle loaded with a light sensitive molecule and a method of preparing the nanoparticle, wherein the nanoparticle is a colloidal gold nanoparticle and the light sensitive molecule is non-covalently adsorbed to the surface of the nanoparticle. The present invention is also directed to a nanoprobe comprising the nanoparticle and further comprising a targeting moiety covalently coupled to the surface of the nanoparticle.

11/21/13
20130310734 

Catheter for photodynamic therapy


The present invention provides a multi-functional catheter that can be used to irrigate a treatment site located within a body cavity, to suction waste materials from the treatment site, and to deliver a treatment composition in a generally uniform distribution pattern onto the treatment site. The present invention also provides a method to use this multi-functional catheter for various applications including medical applications (e.g., photodynamic therapy treatment of chronic recurrent sinusitis)..

11/14/13
20130304019 

Photodynamic therapy system, device and associated treatment


As one example, a photodynamic therapy system can include a flexible panel comprising a plurality of light sources distributed across a conformable light delivery surface thereof. The plurality of light sources can be configured to provide a treatment light to achieve a desired therapeutic effect at a predetermined distance from the light delivery surface.

11/07/13
20130296287 

Focal photodynamic therapy methods


Improved methods of treating prostate cancer by vascular-targeted photodynamic therapy, and improved methods of planning treatment, are presented using a light density index to plan and guide effective treatment.. .

10/31/13
20130289963 

Modelling of the action of an optical fibre in photodynamic therapy treatment, and assistance in the planning of said treatment


A method (200) for planning of a treatment with photodynamic therapy for a patient includes performing a measurement (230) of the volume of the treatment area by volume reconstruction from digital processing of contours inputted directly into a series of digital images of the area being treated, then determining (250) by calculating the number of optical fibers used, their position relative to the brachytherapy grid and their insertion length which optimizes the correspondence of a total theoretical action volume calculated with the measured volume of the treatment area. The total theoretical action volume is calculated based on the position of each fiber, and an elementary theoretical action volume of a fiber corresponding to the volume of a cylinder with predetermined action radius r, and height corresponding to the insertion length of the fiber..

10/31/13
20130287688 

Novel compositions and uses of anti-hypertension agents for cancer therapy


Methods and compositions for improving the delivery and/or efficacy of a therapy (e.g., a cancer therapy) are disclosed. In one embodiment, methods and compositions for treating or preventing a cancer (e.g., a solid tumor such as a desmoplastic tumor) by administering to a subject an anti-hypertensive agent, as a single agent or in combination with a microenvironment modulator and/or a therapy, e.g., a cancer therapy (for example, a therapeutic agent or therapy, including immunotherapy (e.g., antibodies, vaccine, cell-based), nanotherapeutics, radiation therapy, photodynamic therapy, low molecular weight chemotherapeutics, molecularly targeted therapeutics and/or oxygen radical) are disclosed..

09/26/13
20130253411 

Photodynamic therapy laser


A laser system including: a laser source operable to emit a first and a second laser beam having first and second operating wavelengths, respectively; a fiber optic cable to guide and homogenize the laser beams; an expander to increase the diameter of the laser beams; a cylinder to guide the laser beams and limit respective diameters of the first and second laser beams, wherein the cylinder is positioned after the expander on an optical path of the laser beam; a first optical system to collimate the laser beams, wherein the optical system is positioned after the cylinder on the optical path of the laser beams; a spot-size selector comprising a plurality of apertures, wherein the spot-size selector is positioned after the first optical system on the optical path of the laser beams; and a second optical system to focus the laser beams on a tissue of the patient.. .

09/19/13
20130243741 

Renilla/gaussia transfected cells as a light source for in-situ photodynamic therapy of cancer


A method for photodynamic therapy treatment of cancerous cells and tissue is provided. The method comprises administering tumor-trophic cells expressing a luminescent protein to a subject.

09/05/13
20130231604 

Halogenated compounds for photodynamic therapy


Halo-organic heterocyclic compounds are described, in which at least two halogen atoms are bound to a nitrogen-containing heterocyclic terminal moiety of the compound, with at least one of such halogen atoms being iodine or bromine. Also described are polymethine dyes based on these heterocyclic compounds, and dendrimeric compounds and conjugates of such polymethine dyes.

08/29/13
20130226069 

Acne therapeutic agent and sebum secernent inhibitor which comprise indole-3-alkylcarbo xylicacid, and kits for photodynamic therapy containing the same


The present invention relates to novel uses of indole-3-alkylcarboxylic acid and derivatives thereof as a photosensitizer for the treatment of acne or for the inhibition of sebum secretion. More particularly, the present invention is directed to a photosensitizer for photodynamic therapy, a photodynamic therapy kit and photodynamic therapeutic composition comprising thereof, which contain indole-3-alkylcarboxylic acid being activated by light.

08/15/13
20130211389 

Methods and devices for crosslinking of corneal collagen and for treatment of disorders of the eye


Methods and devices for delivering therapeutic or diagnostic energy (e.g., light, ultrasound, ionizing radiation (e.g., x-ray), vibration, heat energy, etc.) into the eye. An energy emitting device is positioned on the eye and used to deliver energy into the eye.

08/15/13
20130210793 

Photolabile caged transition metal complexes and methods of using the same


Along with compositions comprising the same and methods of using the same, such as for photodynamic therapy in the treatment of cancer.. .

08/15/13
20130210756 

Pheophorbide-alpha conjugates and their uses


The present invention relates to a pheophorbide-α conjugate or its salt, solvate or hydrate. The pheophorbide-α conjugate of the present invention exhibiting fluorescence upon its introduction into cells and degradation inhibits the survival of various cancer cells.

08/08/13
20130202525 

Multifunctional nanoplatforms for fluorescence imaging and photodynamic therapy developed by post-loading photosensitizer and fluorophore to polyacrylamide nanoparticles


A composition comprising paa nanoparticles containing a post loaded tetrapyrollic photosensitizer and a postloaded imaging agent and methods for making and using same.. .

08/01/13
20130197611 

System and optical tomography feedback control of dosimetry for photodynamic therapy (pdt)


Control of interstitial photodynamic therapy (pdt) by means of modulation control and/or optical tomography are disclosed. Accurate reconstruction of optical properties in tissue treated by the pdt is provided.

07/25/13
20130190715 

Combination therapy with low dosage strength imiquimod and photodynamic therapy to treat actinic keratosis


This disclosure is directed to the use of complementary or combination photodynamic therapy and topical therapy with a lower dosage strength imiquimod formulation for treating actinic keratosis.. .

07/18/13
20130184674 

Treating cancer using electromagnetic fields in combination with photodynamic therapy


A light generating circuit is implanted in a subject's body and aimed at a target region such as a tumor. A photosensitizer is introduced into the target region, and an ac electric field is induced in the region.

07/18/13
20130184637 

Treating cancer using electromagnetic fields in combination with photodynamic therapy


A light generating circuit is implanted in a subject's body and aimed at a target region such as a tumor. A photosensitizer is introduced into the target region, and an ac electric field is induced in the region.

07/11/13
20130178787 

Dry compositions and devices containing such dry compostions for use in photodynamic therapy or photodynamic diagnosis


This invention relates to dry pharmaceutical compositions comprising an active ingredient which is 5-aminolevulinic acid (5-ala) or a precursor or derivative of 5-ala, or a pharmaceutically acceptable salt thereof. The compositions may be used in the photodynamic treatment (pdt) or photodynamic diagnosis (pdd) of cancer, pre-cancerous conditions and non-cancerous conditions.

07/04/13
20130172863 

Determining apparatus and determining method


A photodynamic therapy apparatus as a determining apparatus is the photodynamic therapy apparatus for irradiating a tissue having absorbed photo-sensitive pharmaceutical, the photo-sensitive pharmaceutical absorbing an excitation light and emitting fluorescence, or a tissue absorbing the excitation light and emitting fluorescence, with the excitation light emitted from a tip portion of a laser catheter, including a connector, a light source, and a light detection unit. The laser catheter is capable of being attached/detached to/from the connector.

07/04/13
20130172697 

Calculation apparatus and calculation method


[solving means] a photodynamic therapy apparatus as a calculation apparatus is an apparatus for irradiating a tissue having absorbed photo-sensitive pharmaceutical, the photo-sensitive pharmaceutical absorbing an excitation light and emitting fluorescence, with the excitation light emitted from a tip portion of a laser catheter, including a connector, a light source, and a light detection unit. The laser catheter is capable of being attached/detached to/from the connector.

07/04/13
20130172396 

Use of derivatives of pentaphyrine as antimicrobial and disinfectant agents


The invention relates to the use of 20-(4-carboxyphenyl)-2,13-dimethyl-3,12-diethyl-[22] pentaphyrine as antibacterial agent in photodynamic treatment. This expanded porphyrin derivatized in position 4 with a carboxyphenyl group proved very active after photo-oxidation both against s.

06/20/13
20130158336 

Use of nanoparticles in the photodynamic treatment of tumors and non-destructive testing


A method for generating light intensity inside a tumor to aid in the treatment of diseases such as cancer is disclosed. The light is generated inside the body to perform a modified photodynamic therapy treatment (pdt) that allows treatment of body regions that are inaccessible by normal pdt procedures.

05/16/13
20130123642 

Estimating apparatus and estimating method


A photodynamic therapy apparatus as an estimating apparatus is an apparatus for irradiating a tissue having absorbed photo-sensitive pharmaceutical, the photo-sensitive pharmaceutical absorbing an excitation light and emitting fluorescence, with the excitation light emitted from a tip portion of a laser the catheter, including a connector, a light source, and a light detection unit. The laser the catheter is capable of being attached/detached to/from the connector.

04/25/13
20130102906 

Illuminator for photodynamic therapy


An apparatus and method for photodynamic therapy or photodynamic diagnosis using an illuminator comprising a plurality of light sources generally conforming to a contoured surface and irradiating the contoured surface with substantially uniform intensity visible light. The light sources may comprise generally u-shaped fluorescent tubes that are driven by electronic ballasts.

04/11/13
20130090592 

Use of aminolevulinic acid and derivatives thereof


The invention provides the use of a photosensitiser which is 5-aminolevulinic acid (5-ala) or a derivative (e.g. An ester) of 5-ala, or a pharmaceutically acceptable salt thereof, in the manufacture of a composition for use in methods of photodynamic therapy (pdt) on an animal, wherein said pdt comprises: (a) administering to said animal a composition comprising said photosensitiser; and (b) photoactivating said photosensitiser, and wherein side-effects (e.g.

03/21/13
20130072849 

Use of green porphyrins to treat neovasculature in the eye


photodynamic therapy of conditions of the eye characterized by unwanted neovasculature, such as age-related macular degeneration, is effective using green porphyrins as photoactive agents, preferably as liposomal compositions.. .

02/28/13
20130053699 

Apparatus and performing photodynamic diagnosis and photodynamic therapy


An apparatus for performing photodynamic diagnosis and photodynamic therapy on a target region that is pre-given with a photosensitizer precursor includes a display unit, an excitation light source operable to irradiate the target region with exciting light so as to excite emission of fluorescence from the target region as a result of fluorescence response of the photosensitizer precursor, an image capturing unit operable to capture a white light image and a fluorescent image of the target region, an image processing unit operable to superimpose the white light image and the fluorescent image into a synthesized image and to provide at least one of the white light image, the fluorescent image and the synthesized image thereto for display on the display unit, and a curing light source operable to irradiate a specified portion of the target region with curing light for treating the specified portion.. .

01/31/13
20130029286 

Devices and methods for conforming photodynamic therapy to specific anatomic locations


A device for conforming photodynamic therapy to a specific anatomic location (e.g., in the oral cavity) conforms the radiation to the target tissue surface and avoids delivering light to the rest of the oral cavity. Embodiments can include a body of oral impression material molded to conform to the anatomic surface, a light pipe, a freeform reflector formed on a surface of the optical body, or a light guide having a textured surface to direct light to an opposing output window.

01/10/13
20130012754 

Microwave induced photodynamic therapy


A method of administering photodynamic therapy includes using a microwave frequency-sensitive light-emitting polymer as a light source to excite a administered photosensitizer to exert cytotoxicity in situ at a site containing undesired or diseased tissue.. .

01/03/13
20130004419 

Carbonylporphyrins and uses thereof


The present invention is directed to low toxicity boronated compounds and methods for their use in the treatment, visualization, and diagnosis of tumors. More specifically, the present invention is directed to low toxicity carborane-containing porphyrin compounds with halide, amine, or nitro groups and methods for their use particularly in boron neutron capture therapy (bnct), x-ray radiation therapy (xrt), and photodynamic therapy (pdt) for the treatment of tumors of the brain, head and neck, and surrounding tissue.



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Photodynamic Therapy topics: Photodynamic Therapy, Sensitizer, Fluorescence, Cancer Cells, Cancer Cell, Antibodies, Antimicrobial, Therapeutics, Hypertensive, Hypertension, Desmoplastic, Immunotherapy, Radiation Therapy, Digital Processing, Optical Fiber

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