Patents Assigned to Provectus Pharmatech, Inc.
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Publication number: 20260069565Abstract: The present invention is directed to a pharmaceutical composition and method for treating a subject diagnosed amyotrophic lateral sclerosis (ALS) with a pharmaceutical composition containing dissolved or dispersed therein a SOD1 and/or TDP-43 aggregation-inhibiting amount of a rose bengal (RB) compound that is a pharmaceutically acceptable salt of RB, RB lactone, a RB amide, an aromatic RB derivative, wherein the aromatic derivative is an ester or amide formed from an alcohol or monosubstituted amine having a 5- or 6-membered aromatic ring, or a 5,6- or 6,6-fused aromatic ring system that contains 0, 1, or 2 hetero ring atoms that are independently nitrogen, oxygen or sulfur. This treatment method is typically repeated a plurality of times or until the subject no longer needs it.Type: ApplicationFiled: September 9, 2025Publication date: March 12, 2026Applicants: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Aru NARENDRAN, Yusheng Zhao, Dominic Rodrigues, Edward V. Pershing, Eric A. Wachter
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Publication number: 20250345275Abstract: The present invention contemplates a method of treating a mammalian skin wound that extends at least into the epidermal layer of the skin of a subject mammal that comprises treating the wound in the substantial absence of actinic light by topical application of an aqueous pharmaceutical composition containing a wound closure-assisting amount of rose bengal, a lactone, salt, ester or amide hereof dissolved or dispersed therein as well as gel-inducing amount of a thickening agent (gellant) that causes the aqueous pharmaceutical composition to gel at a temperature of about 33° to about 40° C. The treated wound is thereafter covered with a dressing that is opaque to actinic light at least in the area over the wound. This treatment method is repeated a plurality of times over the following up to about fifteen days or until the wound is closed, whichever time of time is shorter.Type: ApplicationFiled: May 5, 2025Publication date: November 13, 2025Applicants: Provectus Pharmatech, Inc., Board of Regents, The University of Texas SystemInventors: Amina EL AYADI, Jayson Walter JAY, Eric A. WACHTER, Dominic RODRIGUES, Edward V. PERSHING
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Patent number: 12377068Abstract: A method of treating a pediatric cancerous solid tumor in a mammalian subject is disclosed that comprises intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor. Another contemplated method comprises the steps of intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor and systemically administering a tumor-inhibiting effective amount of a systemic anti-cancer medication that provides synergistic cytotoxicity with the halogenated xanthene. The two administrations can occur concurrently, or one prior to the other.Type: GrantFiled: April 22, 2024Date of Patent: August 5, 2025Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Jamie Singer, Eric A. Wachter, Satbir Thakur, Lucy Swift, Chunfen Zhang, Mohit Jain, Aru Narendran
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Patent number: 12133840Abstract: A method of treating a mammalian subject having hematologic, non-tumorous cancer cells is disclosed. The method comprises the steps of: (A) administering to such a mammalian subject a therapeutically effective amount of a halogenated xanthene, a pharmaceutically acceptable salt or a C1-C4 alkyl ester thereof as a first cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable aqueous medium. The mammalian subject is maintained for a period of time sufficient to induce death of hematologic, non-tumorous cancer cells. A contemplated administration is typically repeated. A contemplated treatment method can also be carried out in conjunction with administration to said mammalian subject of a second therapeutically effective amount of a second, differently-acting cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable medium. The second cancer cytotoxic agent can be a small molecule or an intact antibody or paratope-containing portion thereof.Type: GrantFiled: August 18, 2022Date of Patent: November 5, 2024Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Eric A. Wachter, Dominic Rodrigues, Satbir Thakur, Lucy Swift, Chunfen Zhang, Mohit Jain, Aru Narendran
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Publication number: 20240325341Abstract: of treating Gram-negative bacteria that also exhibit resistance to the anti-bacterial compound colistin (MIC?50 mg/mL) except for Burkholderia, Proteus, and Serratia that comprises contacting the bacteria with an aqueous pharmaceutical composition containing a rose bengal (RB) compound of Formula I, below, dissolved or dispersed therein at a concentration of about 0.01 to about 15 mg/mL and irradiating those contacted bacteria with light of the wavelength about 500 nm to about 600 nm for a time period of about 1 to about 10 minutes to provide a light dose of about 16 to about 160 J/cm2, treat and kill the irradiated bacteria wherein X, R1, R2 and M+ are defined within.Type: ApplicationFiled: March 25, 2024Publication date: October 3, 2024Applicants: Provectus Pharmatech, Inc., University of Tennessee Research FoundationInventors: Michio KUROSU, Dominic Rodrigues, Edward V. Pershing, Bruce Horowitz, John Lacey, Eric A. Wachter
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Publication number: 20240277655Abstract: A method of treating a pediatric cancerous solid tumor in a mammalian subject is disclosed that comprises intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor. Another contemplated method comprises the steps of intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor and systemically administering a tumor-inhibiting effective amount of a systemic anti-cancer medication that provides synergistic cytotoxicity with the halogenated xanthene. The two administrations can occur concurrently, or one prior to the other.Type: ApplicationFiled: April 22, 2024Publication date: August 22, 2024Applicants: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Jamie SINGER, Eric A. Wachter, Satbir Thakur, Lucy Swift, Chunfen Zhang, Mohit Jain, Aru Narendran
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Patent number: 12064507Abstract: A method of treating a mammalian subject having hematologic, non-tumorous cancer cells is disclosed. The method comprises the steps of: (A) administering to such a mammalian subject a therapeutically effective amount of a halogenated xanthene, a pharmaceutically acceptable salt or a C1-C4 alkyl ester thereof as a first cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable aqueous medium. The mammalian subject is maintained for a period of time sufficient to induce death of hematologic, non-tumorous cancer cells. A contemplated administration is typically repeated. A contemplated treatment method can also be carried out in conjunction with administration to said mammalian subject of a second therapeutically effective amount of a second, differently-acting cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable medium. The second cancer cytotoxic agent can be a small molecule or an intact antibody or paratope-containing portion thereof.Type: GrantFiled: April 16, 2021Date of Patent: August 20, 2024Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Aru Narendran, Dominic Rodrigues, Bruce Horowitz, Edward V. Pershing, Eric A. Wachter
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Patent number: 11974980Abstract: A method of treating a pediatric cancerous solid tumor in a mammalian subject is disclosed that comprises intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor. Another contemplated method comprises the steps of intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor and systemically administering a tumor-inhibiting effective amount of a systemic anti-cancer medication that provides synergistic cytotoxicity with the halogenated xanthene. The two administrations can occur concurrently, or one prior to the other.Type: GrantFiled: June 10, 2021Date of Patent: May 7, 2024Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Jamie Singer, Eric A. Wachter, Satbir Thakur, Lucy Swift, Chunfen Zhang, Mohit Jain, Aru Narendran
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Patent number: 11975106Abstract: A method for treating a viral infection of a mammalian subject that comprises administering a virus-inhibiting amount of a halogenated xanthene, a pharmaceutically acceptable salt, an alkyl ester or amide or aromatic ester or amide derivative thereof as disclosed within, to that mammalian subject. A method of inducing a type I interferon response in a mammalian subject that presents with a microbial infection, cancerous tumor or hematological malignancy that comprises administering an amount of a halogenated xanthene as discussed above, effective to induce the type I interferon response. A method of enhancing a mammalian immunogen-specific immune response that comprises contacting mammalian cells, in vivo or present in a mammalian cell growth supporting medium, with an adjuvant-effective amount of a halogenated xanthene as discussed above, and an immunogen to which that response is to be enhanced.Type: GrantFiled: March 25, 2021Date of Patent: May 7, 2024Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Aru Narendran, Edward V. Pershing, Dominic Rodrigues, Bruce Horowitz, Eric A. Wachter
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Patent number: 11938182Abstract: A method of inducing a Type I interferon response in a mammalian subject that presents with a microbial infection, cancerous tumor or hematological malignancy that comprises administering an amount of a halogenated xanthene as discussed above, effective to induce the Type I interferon response. A method of enhancing a mammalian immunogen-specific immune response that comprises contacting mammalian cells, in vivo or present in a mammalian cell growth supporting medium, with an adjuvant-effective amount of a halogenated xanthene, and an immunogen to which that response is to be enhanced. A mammalian HX compound-adjuvanted vaccine composition that contains an immunogen present in a vaccine-effective amount along with an adjuvant-effective amount of a halogenated xanthene (HX) compound and one or more excipients present at about 0.001% by weight to 10% by weight of the vaccine composition dissolved or dispersed in a pharmaceutically acceptable diluent.Type: GrantFiled: September 29, 2021Date of Patent: March 26, 2024Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Aru Narendran, Dominic Rodrigues, Edward V. Pershing, Bruce Horowitz
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Publication number: 20240082206Abstract: A method of treating a mammalian subject having hematologic, non-tumorous cancer cells is disclosed. The method comprises the steps of: (A) administering to such a mammalian subject a therapeutically effective amount of a halogenated xanthene, a pharmaceutically acceptable salt or a C1-C4 alkyl ester thereof as a first cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable aqueous medium. The mammalian subject is maintained for a period of time sufficient to induce death of hematologic, non-tumorous cancer cells. A contemplated administration is typically repeated. A contemplated treatment method can also be carried out in conjunction with administration to said mammalian subject of a second therapeutically effective amount of a second, differently-acting cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable medium. The second cancer cytotoxic agent can be a small molecule or an intact antibody or paratope-containing portion thereof.Type: ApplicationFiled: August 18, 2022Publication date: March 14, 2024Applicants: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Eric A. Wachter, Dominic Rodrigues, Satbir Thakur, Lucy Swift, Chunfen Zhang, Mohit Jain, Aru Narendran
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Publication number: 20230270657Abstract: The present invention contemplates a topical ophthalmic system for treating a Gram-positive bacterially-infected mammalian eye. The system comprises an ophthalmic composition containing a halogenated fluorescein or a pharmaceutically acceptable salt or ester thereof dissolved or dispersed in an aqueous ophthalmic carrier and present in an anti-bacterial keratitis-treating effective concentration of about 0.2 µg/mL to about 50 µg/mL. The ophthalmic composition has a pH value of about 6.5 to about 7.6, a viscosity of about 10 to about 300 cps and an osmolality of about 270 mOsm/kg to about 340 mOsm/kg. The ophthalmic composition is present in a vessel opaque to actinic light. Also contemplated is a method of treating a mammal having a Gram-positive bacterial infection of an eye by administering the ophthalmic composition to the infected eye and maintaining the treated eye in the substantial absence of actinic light for about 3 hours to about 12 hours.Type: ApplicationFiled: December 27, 2022Publication date: August 31, 2023Applicants: Provectus Pharmatech, Inc., University of Tennessee Research FoundationInventors: Michio Kurosu, Dominic Rodrigues, Edward V. Pershing, Bruce Horowitz, John Lacey, III, Eric A. Wachter, Edward P. Gamson
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Publication number: 20230233515Abstract: This invention contemplates combined use of a rose bengal (RB) derivative with irradiation of bacteria with light to treat and kill the irradiated bacteria. In one aspect, Gram-positive bacteria are treated in a method in which the bacteria are contacted with an aqueous pharmaceutical composition containing a rose bengal (RB) compound of Formula I, discussed within, dissolved or dispersed therein at about 0.2 to about 3.1 µg/mL. Those contacted bacteria are contacted with light of the wavelength about 500 nm to about 600 nm for a time period of about 1 to about 10 minutes to provide a light dose of about 0.7 to about 7.2 J/cm2. A similar method is contemplated for treating Gram-negative bacteria that are one or more of Burkholderia, Salmonella, and Proteus using an aqueous pharmaceutical composition containing about 2 to about 15 µM concentration of the RB compound.Type: ApplicationFiled: December 27, 2022Publication date: July 27, 2023Applicants: Provectus Pharmatech, Inc., University of Tennessee Research FoundationInventors: Michio KUROSU, Dominic RODRIGUES, Edward V. PERSHING, Bruce HOROWITZ, John LACEY, Eric A. WACHTER
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Patent number: 11426379Abstract: A treatment for inflammatory dermatoses, such as psoriasis and atopic dermatitis (eczema), is disclosed that utilizes topical administration of a halogenated xanthene, such as rose bengal, together with administration of one or more complementary targeted systemic dermatology therapies, preferably a therapy that addresses the inflammatory pathway and is other than an NSAID that is a COX-1 and/or COX-2 inhibitor. Examples of complementary targeted systemic therapeutic ingredients include: corticosteroids, including betamethasone dipropionate and fluocinonide; dithranol; vitamin D analogs, including calcipotriol; and retinoids, non-biologics including methotrexate, ciclosporin, hydroxycarbamide, and fumarates including dimethyl fumarate; as well as one or more biologics, including antibodies or paratope-containing antibody portions to TNF-?, antibodies to pro-inflammatory cytokines interleukin-12, interleukin-23 and interleukin-17, and TNF inhibitors.Type: GrantFiled: November 29, 2018Date of Patent: August 30, 2022Assignees: Provectus Pharmatech, Inc., The Rockefeller UniversityInventors: James G. Krueger, Sandra Garcet, Jamie Singer, Eric A. Wachter
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Patent number: 11419844Abstract: A method of treating a mammalian subject having hematologic, non-tumorous cancer cells is disclosed. The method comprises the steps of: (A) administering to such a mammalian subject a therapeutically effective amount of a halogenated xanthene, a pharmaceutically acceptable salt or a C1-C4 alkyl ester thereof as a first cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable aqueous medium. The mammalian subject is maintained for a period of time sufficient to induce death of hematologic, non-tumorous cancer cells. A contemplated administration is typically repeated. A contemplated treatment method can also be carried out in conjunction with administration to said mammalian subject of a second therapeutically effective amount of a second, differently-acting cancer cytotoxic agent dissolved or dispersed in a pharmaceutically acceptable medium. The second cancer cytotoxic agent can be a small molecule or an intact antibody or paratope-containing portion thereof.Type: GrantFiled: November 19, 2019Date of Patent: August 23, 2022Assignees: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Eric A. Wachter, Dominic Rodrigues, Satbir Thakur, Lucy Swift, Chunfen Zhang, Mohit Jain, Aru Narendran
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Publication number: 20220054449Abstract: A treatment for inflammatory dermatoses, such as psoriasis and atopic dermatitis (eczema), is disclosed that utilizes topical administration of a halogenated xanthene, such as rose bengal, together with administration of one or more complementary targeted systemic dermatology therapies, preferably a therapy that addresses the inflammatory pathway and is other than an NSAID that is a COX-1 and/or COX-2 inhibitor. Examples of complementary targeted systemic therapeutic ingredients include: corticosteroids, including betamethasone dipropionate and fluocinonide; dithranol; vitamin D analogs, including calcipotriol; and retinoids, non-biologics including methotrexate, ciclosporin, hydroxycarbamide, and fumarates including dimethyl fumarate; as well as one or more biologics, including antibodies or paratope-containing antibody portions to TNF-?, antibodies to pro-inflammatory cytokines interleukin-12, interleukin-23 and interleukin-17, and TNF inhibitors.Type: ApplicationFiled: September 3, 2021Publication date: February 24, 2022Applicants: The Rockefeller University, Provectus Pharmatech, Inc.Inventors: James G. Krueger, Sandra Garcet, Jamie Singer, Eric A. Wachter
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Publication number: 20220016242Abstract: A method of inducing a Type I interferon response in a mammalian subject that presents with a microbial infection, cancerous tumor or hematological malignancy that comprises administering an amount of a halogenated xanthene as discussed above, effective to induce the Type I interferon response. A method of enhancing a mammalian immunogen-specific immune response that comprises contacting mammalian cells, in vivo or present in a mammalian cell growth supporting medium, with an adjuvant-effective amount of a halogenated xanthene, and an immunogen to which that response is to be enhanced. A mammalian HX compound-adjuvanted vaccine composition that contains an immunogen present in a vaccine-effective amount along with an adjuvant-effective amount of a halogenated xanthene (HX) compound and one or more excipients present at about 0.001% by weight to 10% by weight of the vaccine composition dissolved or dispersed in a pharmaceutically acceptable diluent.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Applicants: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Aru Narendran, Dominic Rodrigues, Edward V. Pershing, Bruce Horowitz
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Publication number: 20220008534Abstract: A method for the treatment of cancer comprising administration of a therapeutically effective amount of an intralesional chemoablative pharmaceutical composition, or variant of said composition, in combination with a therapeutically effective amount of a systemic immunomodulatory anticancer agent. A further method for the treatment of cancer comprising administration of a therapeutically effective amount of an intralesional chemoablative pharmaceutical composition, or variant of said composition, in combination with a therapeutically effective amount of a systemic targeted anticancer agent. The present invention is further directed to pharmaceutical compositions for treatment of cancer. The intralesional chemoablative pharmaceutical composition can comprise an IL chemoablative agent comprising primarily a halogenated xanthene.Type: ApplicationFiled: July 22, 2021Publication date: January 13, 2022Applicant: Provectus Pharmatech, Inc.Inventor: Eric A. Wachter
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Publication number: 20210308091Abstract: A method of treating a pediatric cancerous solid tumor in a mammalian subject is disclosed that comprises intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor. Another contemplated method comprises the steps of intralesionally administering an amount of a halogenated xanthene or a pharmaceutically acceptable salt thereof, preferably Rose Bengal disodium, that elicits ablation of tumor cells of the administered tumor and systemically administering a tumor-inhibiting effective amount of a systemic anti-cancer medication that provides synergistic cytotoxicity with the halogenated xanthene. The two administrations can occur concurrently, or one prior to the other.Type: ApplicationFiled: June 10, 2021Publication date: October 7, 2021Applicants: Provectus Pharmatech, Inc., UTI Limited PartnershipInventors: Jamie Singer, Eric A. WACHTER, Satbir THAKUR, Lucy SWIFT, Chunfen ZHANG, Mohit JAIN, Aru NARENDRAN
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Publication number: 20210299083Abstract: A method for treating a viral infection of a mammalian subject that comprises administering a virus-inhibiting amount of a halogenated xanthene, a pharmaceutically acceptable salt, an alkyl ester or amide or aromatic ester or amide derivative thereof as disclosed within, to that mammalian subject. A method of inducing a type I interferon response in a mammalian subject that presents with a microbial infection, cancerous tumor or hematological malignancy that comprises administering an amount of a halogenated xanthene as discussed above, effective to induce the type I interferon response. A method of enhancing a mammalian immunogen-specific immune response that comprises contacting mammalian cells, in vivo or present in a mammalian cell growth supporting medium, with an adjuvant-effective amount of a halogenated xanthene as discussed above, and an immunogen to which that response is to be enhanced.Type: ApplicationFiled: March 25, 2021Publication date: September 30, 2021Applicants: Provectus Pharmatech, Inc., Governors of the University of CalgaryInventors: Aru Narendran, Edward V. Pershing, Dominic Rodrigues, Bruce Horowitz, Eric A. Wachter