Method for the production of polymerized nanoparticles and microparticles by ternary agent concentration and temperature alteration induced immiscibility
First Claim
Patent Images
1. A method for the production of polymerized particles comprising:
- combining one or more non-solvents, one or more ternary agents, one or more surfactants, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining one or more solvents miscible with said one or more non-solvents, and one or more polymers or one or more matrices or a combination thereof to produce a solvent solution; and
combining said non-solvent solution and said solvent solution to produce polymerized particles.
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Abstract
Polymerized drug delivery devices are described. Additionally, methods are described for producing and for using polymerized particles for use as drug delivery devices.
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Citations
42 Claims
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1. A method for the production of polymerized particles comprising:
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combining one or more non-solvents, one or more ternary agents, one or more surfactants, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining one or more solvents miscible with said one or more non-solvents, and one or more polymers or one or more matrices or a combination thereof to produce a solvent solution; and
combining said non-solvent solution and said solvent solution to produce polymerized particles. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 22, 24, 25, 26, 27, 28, 29, 30, 32, 33, 39, 40, 41, 42)
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2. A method for the production of polymerized particles comprising:
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combining water, sodium chloride, sodium bromide, poly(ethylene oxide)/poly(propylene oxide) triblock copolymers, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining acetone, acetonitrile and one or more polysaccharide and polyurethane polymers, or trehalose, dextrose and triethanolamine matrices, or a combination thereof to produce a solvent solution; and
combining said non-solvent solution with said solvent solution to produce polymerized particles ranging in size from about 0.10 nm to about 1 mm.
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3. A method for the production of polymerized particles comprising:
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combining water, sodium bromide or sodium chloride ternary agent, poly(ethylene oxide)/poly(propylene oxide) triblock copolymers, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining acetone or acetonitrile solvent, one or more polysaccharide or polyurethane polymers, and one or more trehalose, dextrose or triethanolamine matrices to produce a solvent solution; and
combining said non-solvent solution with said solvent solution to produce polymerized particles ranging in size from about 0.10 nm to about 1 mm.
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4. A method for the production of a drug delivery system comprising:
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combining one or more non-solvents, one or more ternary agents, one or more surfactants, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining one or more solvents and one or more polymers or one or more matrices or a combination thereof to produce a solvent solution;
combining one or more agent solvents and one or more therapeutically active agents to produce an agent solution; and
combining said non-solvent solution, said solvent solution and said agent solution to produce polymerized particles containing a therapeutically effective amount of said one or more therapeutically active agents. - View Dependent Claims (21, 23)
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5. A method for the production of a drug delivery system comprising:
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combining water, sodium chloride or sodium bromide ternary agent, one or more poly(ethylene oxide)/poly(propylene oxide) triblock copolymers, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining acetone or acetonitrile solvent, one or more polyurethane or polysaccharide polymers, one or more trehalose, dextrose or triethanolamine matrices or a combination thereof to produce a solvent solution;
combining ethyl acetate and one or more therapeutically active agents to produce an agent solution; and
combining said non-solvent solution, said solvent solution and said agent solution to produce polymerized particles containing a therapeutically effective amount of said one or more therapeutically active agents.
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6. A method for the production of a drug delivery system comprising:
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combining water, sodium chloride, sodium bromide, one or more poly(ethylene oxide)/poly(propylene oxide) triblock copolymers, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining acetone and acetonitrile solvents, one or more polyurethane and polysaccharide polymers, trehalose, dextrose and triethanol amine matrices or a combination thereof to produce a solvent solution;
combining ethyl acetate and one or more therapeutically active agents to produce an agent solution; and
combining said non-solvent solution, said solvent solution and said agent solution to produce polymerized particles containing a therapeutically effective amount of said one or more therapeutically active agents.
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7. A method for the production of a drug delivery system comprising:
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combining one or more non-solvents, one or more ternary agents, one or more surfactants, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining one or more solvents, one or more therapeutically active agents and one or more polymers or one or more matrices or a combination thereof to produce a solvent solution; and
combining said non-solvent solution and said solvent solution to produce polymerized particles containing a therapeutically effective amount of said one or more therapeutically active agents.
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8. A method for the production of a drug delivery system comprising:
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combining water, sodium chloride or sodium bromide ternary agents, one or more poly(ethylene oxide)/poly(propylene oxide) triblock copolymers, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining acetone or acetonitrile solvent, one or more therapeutically active agents and one or more polymers or one or more matrices or a combination thereof to produce a solvent solution; and
combining said non-solvent solution and said solvent solution to produce polymerized particles containing a therapeutically effective amount of said one or more therapeutically active agents.
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9. A method for the production of a drug delivery system comprising:
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combining water, sodium chloride, sodium bromide, one or more poly(ethylene oxide)/poly(propylene oxide) triblock copolymers, one or more monomers, macromonomers or a combination thereof, and one or more initiators to produce a non-solvent solution;
combining acetone and acetonitrile solvent, one or more therapeutically active agents and one or more polymers or one or more matrices or a combination thereof to produce a solvent solution; and
combining said non-solvent solution and said solvent solution to produce polymerized particles containing a therapeutically effective amount of said one or more therapeutically active agents.
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10. A method for the production of particles comprising:
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combining one or more solvents and one or more non-solvents that are miscible;
introducing one or more ternary agents, one or more monomers, macromonomers or a combination thereof, and one or more initiators into said one or more non-solvents to make said one or more solvents and said one or more non-solvents immiscible, with said one or more ternary agents making one or more polymers or one or more matrices and optionally one or more therapeutically active agents in said one or more solvents insoluble; and
varying temperature to control polymerized particle formation to a desired size. - View Dependent Claims (31)
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11. A method for the production of particles comprising:
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combining acetone or acetonitrile solvent with water;
introducing sodium chloride or sodium bromide ternary agent, one or more monomers, macromonomers or a combination thereof, and one or more initiators to make said acetone or acetonitrile solvent and said water immiscible, with said ternary agent making one or more polymers or one or more matrices and optionally one or more therapeutically active agents in said acetone or acetonitrile solvent insoluble; and
varying temperature to control polymerized particle formation to a desired size.
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12. A method for the production of particles comprising:
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combining acetone and acetonitrile solvents with water;
introducing sodium chloride and sodium bromide ternary agents, one or more monomers, macromonomers or a combination thereof, and one or more initiators to make said acetone and acetonitrile solvents and said water immiscible, with said ternary agents making one or more polymers or one or more matrices and optionally one or more therapeutically active agents in said acetone and acetonitrile solvents insoluble; and
varying temperature to control polymerized particle formation to a desired size.
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- 34. An improved method for producing spherical polymerized particles by combining a non-solvent solution and a solvent solution wherein the improvement comprises producing said polymerized particles through ternary agent concentration and temperature alteration induced immiscibility.
Specification