Patents by Inventor Fredrik Tiberg
Fredrik Tiberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9585959Abstract: The present invention relates to compositions forming a low viscosity mixture of: a. at least one diacyl glycerol and/or at least one tocopherol; b. at least one phospholipid component comprising phospholipids having i. polar head groups comprising more than 50% phosphatidyl ethanolamine, and ii. two acyl chains each independently having 16 to 20 carbons wherein at least one acyl chain has at least one unsaturation in the carbon chain, and there are no more than four unsaturations over two carbon chains; c. at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein optionally at least one bioactive agent is dissolved or dispersed in the low viscosity mixture; and wherein the pre-formulation forms, or is capable of forming, at least one non-lamellar liquid crystalline phase structure upon contact with an aqueous fluid.Type: GrantFiled: November 28, 2012Date of Patent: March 7, 2017Assignee: CAMURUS ABInventors: Fredrik Tiberg, Markus Johnsson
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Patent number: 9555118Abstract: The present invention relates to compositions forming a low viscosity mixture of: a. 25-55 wt. % of at least one diacyl glycerol and/or at least one tocopherol; b. 25-55 wt. % of at least one phospholipid component comprising phospholipids having i. polar head groups comprising more than 50% phosphatidyl ethanolamine, and ii. two acyl chains each independently having 16 to 20 carbons wherein at least one acyl chain has at least one unsaturation in the carbon chain, and there are no more than four unsaturations over two carbon chains; c. 5-25 wt. % of at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein 0.1-10 wt. % of at least one peptide active agent comprising at least one somatostatin receptor agonist is dissolved or dispersed in the low viscosity mixture; and wherein the pre-formulation forms, or is capable of forming, at least one non-lamellar liquid crystalline phase structure upon contact with an aqueous fluid.Type: GrantFiled: November 28, 2012Date of Patent: January 31, 2017Assignee: CAMRUS ABInventors: Fredrik Tiberg, Markus Johnsson
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Patent number: 9526788Abstract: The present invention relates to a particulate composition containing; a) 5 to 90% of at least one phosphatidyl choline component b) 5 to 90% of at least one diacyl glycerol component, at least one tocopherol, or mixtures thereof, and c) 1 to 40% of at least one non-ionic stabilizing amphiphile, where all parts are by weight relative to the sum of the weights of a+b+c and where the composition contains particles of at least one non-lamellar phase structure or forms particles of at least one non-lamellar phase structure when contacted with an aqueous fluid. The invention additionally relates to pharmaceutical formulations containing such compositions, methods for their formation and methods of treatment comprising their administration.Type: GrantFiled: May 19, 2015Date of Patent: December 27, 2016Assignee: CAMURUS ABInventors: Markus Johnsson, Fredrik Tiberg
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Patent number: 9522377Abstract: The present invention provides a method for forming a dispersion comprising non-lamellar amphiphile particles having improved phase behavior, particle size distribution and/or storage stability, said method comprising forming a dispersion of lamellar and optionally non-lamellar particles comprising at least one structuring agent in a polar solvent, heating said particles to an elevated temperature, followed by cooling, wherein said heating is to a temperature and for a period sufficient to provide, after cooling, a measurable improvement in phase behavior, particle size distribution and/or storage stability.Type: GrantFiled: August 4, 2004Date of Patent: December 20, 2016Assignee: CAMURUS ABInventors: Gert Wörle, Fredrik Tiberg, Markus Johnsson, Heike Bunjes, Britta Siekmann, Justas Barauskas
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Publication number: 20150366973Abstract: Disclosed herein are compositions for the delayed delivery of peptide active agents, including compositions comprising; i) a salt of a peptide active agent comprising at least one positively charged peptide ion and at least one negatively charged counter-ion selected from a halide ion, a chloride and a bromide ion; and ii) a sustained-release delivery vehicle.Type: ApplicationFiled: January 16, 2015Publication date: December 24, 2015Inventors: Markus JOHNSSON, Fredrik Joabsson, Catalin Nistor, Krister Thuresson, Fredrik Tiberg
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Publication number: 20150366970Abstract: The present invention relates to a particulate composition containing; a) 5 to 90% of at least one phosphatidyl choline component b) 5 to 90% of at least one diacyl glycerol component, at least one tocopherol, or mixtures thereof, and c) 1 to 40% of at least one non-ionic stabilising amphiphile, where all parts are by weight relative to the sum of the weights of a+b+c and where the composition contains particles of at least one non-lamellar phase structure or forms particles of at least one non-lamellar phase structure when contacted with an aqueous fluid. The invention additionally relates to pharmaceutical formulations containing such compositions, methods for their formation and methods of treatment comprising their administration.Type: ApplicationFiled: May 19, 2015Publication date: December 24, 2015Applicant: CAMURUS ABInventors: Markus JOHNSSON, Fredrik TIBERG
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Publication number: 20150182522Abstract: A depot precursor formulation comprising: a) a controlled-release matrix; b) at least oxygen containing organic solvent; c) at least 12% by weigh of at least one active agent selected from buprenorphine and salts thereof, calculated as buprenorphine free base. Corresponding depot compositions and methods of treatment in pain management, by opioid maintenance and related methods are provided.Type: ApplicationFiled: July 26, 2013Publication date: July 2, 2015Inventors: Fredrik Tiberg, Ian Harwigsson, Markus Johnsson
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Patent number: 9067190Abstract: The present invention provides a method for the production of amphiphile particles having incorporated therein at least one active agent. The method comprises forming a dispersion of particles comprising at least one amphiphilic structuring agent in a solution of at least one active agent, heating said dispersion to an elevated temperature, followed by cooling to around ambient temperature. The loading provided thereby is typically at least 130% of the loading provided by equilibration of the particles in a solution of active agent. The invention also provides corresponding amphiphile particles.Type: GrantFiled: August 4, 2004Date of Patent: June 30, 2015Assignee: CAMURUS ABInventors: Fredrik Joabsson, Fredrik Tiberg, Markus Johnsson
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Patent number: 9060935Abstract: The present invention relates to a particulate composition containing; a) 5 to 90% of at least one phosphatidyl choline component b) 5 to 90% of at least one diacyl glycerol component, at least one tocopherol, or mixtures thereof, and c) 1 to 40% of at least one non-ionic stabilizing amphiphile, where all parts are by weight relative to the sum of the weights of a+b+c and where the composition contains particles of at least one non-lamellar phase structure or forms particles of at least one non-lamellar phase structure when contacted with an aqueous fluid. The invention additionally relates to pharmaceutical formulations containing such compositions, methods for their formation and methods of treatment comprising their administration.Type: GrantFiled: December 9, 2005Date of Patent: June 23, 2015Assignee: CAMURUS ABInventors: Markus Johnsson, Fredrik Tiberg
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Publication number: 20150147282Abstract: The present invention relates to topical bioadhesive formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.Type: ApplicationFiled: November 24, 2014Publication date: May 28, 2015Inventors: Fredrik JOABSSON, Margareta LINDEN, Krister THURESSON, Fredrik TIBERG
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Publication number: 20150105332Abstract: The present invention relates to compositions forming a low viscosity mixture of: a) 20-50 wt. % of at least one diacyl glycerol; b) 20-54 wt. % of at least one phosphatidyl choline (PC); c) 5-15 wt. % of at least one biocompatible, organic mono-alcoholic solvent; d) 1 to 20 wt. % polar solvent e) 5 to 150 mg/ml of at least one peptide somatostatin receptor agonist comprising pasireotide; f) optionally at least one antioxidant; wherein the ratio of components a:b is in the range 40:60 to 54:46; wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with excess aqueous fluid. The invention further relates to methods of treatment comprising administration of such compositions, and to pre-filled administration devices and kits containing the formulations.Type: ApplicationFiled: May 24, 2013Publication date: April 16, 2015Applicant: CAMURUS ABInventors: Catalin Nistor, Markus Johnsson, Fredrik Tiberg
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Publication number: 20150064118Abstract: The present invention relates to pre-formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The preformulations are suitable for generating parenteral, non-parenteral and topical depot compositions for sustained release of active agents. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.Type: ApplicationFiled: September 15, 2014Publication date: March 5, 2015Inventors: Krister THURESSON, Fredrik TIBERG, Markus JOHANSSON, Ian HARWIGSSON, Fredrik JOABSSON, Markus JOHNSSON
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Patent number: 8920782Abstract: The present invention relates to topical bioadhesive formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.Type: GrantFiled: December 9, 2005Date of Patent: December 30, 2014Assignee: Camurus ABInventors: Fredrik Joabsson, Margareta Linden, Krister Thuresson, Fredrik Tiberg
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Publication number: 20140348903Abstract: The present invention relates to compositions forming a low viscosity mixture of: a. at least one diacyl glycerol and/or at least one tocopherol; b. at least one phospholipid component comprising phospholipids having i. polar head groups comprising more than 50% phosphatidyl ethanolamine, and ii. two acyl chains each independently having 16 to 20 carbons wherein at least one acyl chain has at least one unsaturation in the carbon chain, and there are no more than four unsaturations over two carbon chains; c. at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein optionally at least one bioactive agent is dissolved or dispersed in the low viscosity mixture; and wherein the pre-formulation forms, or is capable of forming, at least one non-lamellar liquid crystalline phase structure upon contact with an aqueous fluid.Type: ApplicationFiled: November 28, 2012Publication date: November 27, 2014Inventors: Fredrik Tiberg, Markus Johnsson
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Publication number: 20140329749Abstract: The present invention relates to compositions forming a low viscosity mixture of: a. 25-55 wt. % of at least one diacyl glycerol and/or at least one tocopherol; b. 25-55 wt. % of at least one phospholipid component comprising phospholipids having i. polar head groups comprising more than 50% phosphatidyl ethanolamine, and ii. two acyl chains each independently having 16 to 20 carbons wherein at least one acyl chain has at least one unsaturation in the carbon chain, and there are no more than four unsaturations over two carbon chains; c. 5-25 wt. % of at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein 0.1-10 wt. % of at least one peptide active agent comprising at least one somatostatin receptor agonist is dissolved or dispersed in the low viscosity mixture; and wherein the pre-formulation forms, or is capable of forming, at least one non-lamellar liquid crystalline phase structure upon contact with an aqueous fluid.Type: ApplicationFiled: November 28, 2012Publication date: November 6, 2014Inventors: Fredrik Tiberg, Markus Johnsson
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Patent number: 8871712Abstract: Pre-formulations of a low viscosity mixture containing: a) at least one diacyl glycerol; b) at least one phosphatidyl choline; c) at least one oxygen containing organic solvent; d) at least one somatostatin analog are described. The pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The pre-formulations are useful for generating depot composition far the controlled release of somatostatin analogs such as octreotide. Methods of treatment comprising the administration of such formulations are also provided, as are pre-filled administration devices and kits containing the formulations.Type: GrantFiled: December 9, 2005Date of Patent: October 28, 2014Assignee: Camurus ABInventors: Fredrik Joabsson, Markus Johnsson, Andreas Norlin, Fredrik Tiberg
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Patent number: 8865021Abstract: The present invention relates to compositions containing at least one cationic peptide active agent, at least one neutral structure forming amphiphile, at least one anionic structure forming amphiphile and optionally at least one solvent wherein the composition is in the form of a non-lamellar phase structure and/or forms a nonlamellar phase structure on exposure to body fluids. The invention also relates to methods for protecting peptides from enzymic degredation in vivo and to compositions in which the peptide active agent is so protected.Type: GrantFiled: November 5, 2004Date of Patent: October 21, 2014Assignee: Camurus ABInventors: Fredrik Joabsson, Fredrik Tiberg
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Publication number: 20140219935Abstract: The present invention relates to topical bioadhesive formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.Type: ApplicationFiled: December 30, 2013Publication date: August 7, 2014Applicant: CAMURUS ABInventors: Fredrik JOABSSON, Margareta LINDEN, Krister THURESSON, Fredrik TIBERG
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Publication number: 20140193347Abstract: The present invention relates to pre-formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The preformulations are suitable for generating parenteral, non-parenteral and topical depot compositions for sustained release of active agents. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.Type: ApplicationFiled: September 4, 2013Publication date: July 10, 2014Applicant: CAMURUS ABInventors: Krister THURESSON, Fredrik TIBERG, Markus JOHANSSON, Ian HARWIGSSON, Fredrik JOABSSON, Markus JOHNSSON
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Publication number: 20140186279Abstract: The present invention relates to topical bioadhesive formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.Type: ApplicationFiled: December 23, 2013Publication date: July 3, 2014Applicant: CAMURUS ABInventors: Fredrik JOABSSON, Margareta LINDEN, Krister THURESSON, Fredrik TIBERG