US20170281674A1 - Process For Generating Nanometer Sized Particles That Increase Oxygen Levels In Mammalian Tissues - Google Patents

Process For Generating Nanometer Sized Particles That Increase Oxygen Levels In Mammalian Tissues Download PDF

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Publication number
US20170281674A1
US20170281674A1 US15/188,586 US201615188586A US2017281674A1 US 20170281674 A1 US20170281674 A1 US 20170281674A1 US 201615188586 A US201615188586 A US 201615188586A US 2017281674 A1 US2017281674 A1 US 2017281674A1
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United States
Prior art keywords
poly
specified
oxygenated
composition
metal hydroxide
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US15/188,586
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Christie Sayes
Erica D. Bruce
John W. Woodmansee, JR.
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Baylor University
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Baylor University
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Assigned to BAYLOR UNIVERSITY reassignment BAYLOR UNIVERSITY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SAYES, CHRISTIE, DR., BRUCE, ERICA D., DR., WOODMANSEE, JOHN W., JR., MR.
Priority to US15/188,586 priority Critical patent/US20170281674A1/en
Application filed by Baylor University filed Critical Baylor University
Priority to CN201780029672.7A priority patent/CN109152794B/en
Priority to KR1020207001987A priority patent/KR102209935B1/en
Priority to EP17717972.8A priority patent/EP3436033B1/en
Priority to CA3057826A priority patent/CA3057826A1/en
Priority to AU2017245152A priority patent/AU2017245152B2/en
Priority to ES17717972T priority patent/ES2787324T3/en
Priority to KR1020187031473A priority patent/KR20190010542A/en
Priority to PCT/US2017/024717 priority patent/WO2017172893A1/en
Priority to US15/493,688 priority patent/US9980909B2/en
Priority to US15/648,312 priority patent/US9950006B2/en
Publication of US20170281674A1 publication Critical patent/US20170281674A1/en
Priority to US15/983,602 priority patent/US10137146B2/en
Priority to US16/152,977 priority patent/US10272105B2/en
Priority to US16/384,599 priority patent/US10780110B2/en
Priority to US17/025,860 priority patent/US11458161B2/en
Priority to US17/959,983 priority patent/US20230124172A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A61K9/0026—Blood substitute; Oxygen transporting formulations; Plasma extender
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/06—Aluminium, calcium or magnesium; Compounds thereof, e.g. clay
    • A61K33/08—Oxides; Hydroxides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/06—Aluminium, calcium or magnesium; Compounds thereof, e.g. clay
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/69—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
    • A61K47/6949—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit inclusion complexes, e.g. clathrates, cavitates or fullerenes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682—Processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/08—Plasma substitutes; Perfusion solutions; Dialytics or haemodialytics; Drugs for electrolytic or acid-base disorders, e.g. hypovolemic shock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/023—Grinding, deagglomeration or disintegration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/51—Nanocapsules; Nanoparticles
    • A61K9/5107—Excipients; Inactive ingredients
    • A61K9/5115—Inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less

Definitions

  • the disclosure relates generally to a composition, and a method of generating a nanometer-sized poly-oxygenated metal hydroxide material, and creating homogenous particles suitable for advanced therapies when delivered to mammals, including humans and animals.
  • Principal delivery methods include topical, oral, anal, vaginal, inhalation, intramuscular injection, and intravenous delivery.
  • Oxygen is one of the fundamental building blocks of life. Oxygen sustains life, but it also has therapeutic (i.e. healing) powers when delivered topically to tissue, orally for digestion, anally, vaginally, aerosolized for inhalation, injected to intramuscular tissue, intravenously to the blood circulatory system, and other delivery methods.
  • Conventional oxygen therapies are commonly comprised of a gaseous delivery of oxygen (i.e. O 2 ) in chambers, such as hyperbaric oxygen therapy (HBOT).
  • HBOT hyperbaric oxygen therapy
  • the concentration of oxygen delivered by gas is rather small, and the chambers are both expensive and not widely available.
  • a poly-oxygenated aluminum hydroxide such as manufactured by Hemotek, LLC of Plano, Tex. as Ox66TM, is a revolutionary product that has been proven to have therapeutic benefits.
  • Ox66TM is provided in powder form and is described as a non-homogenous size particle population, typically ranging from about 50 to 800 micrometers ( ⁇ m).
  • a composition of nanometer-sized poly-oxygenated metal hydroxide, and a process for generating a nanometer sized particle population of the poly-oxygenated metal hydroxide includes the steps of obtaining a predetermined quantity of poly-oxygenated metal material, determining process variables as a function of the predetermined quantity, and then processing the predetermined quantity of poly-oxygenated metal hydroxide material using the determined process variables to create a quantity of poly-oxygenated metal hydroxide material having particle sizes of less than or equal to 3 ⁇ m in diameter.
  • the processed poly-oxygenated metal hydroxide is homogeneous, and the poly-oxygenated metal hydroxide is a poly-oxygenated aluminum hydroxide.
  • the particle size population is less than or equal to 250 nm in diameter.
  • the process may use a ball mill, where a ball is defined as a type of mill used to grind, mix, or blend solid-state materials. Aside from common ball mills, there is a second type of ball mill called a planetary ball mill. Planetary ball mills are smaller than common ball mills and are mainly used in laboratories for grinding sample material down to very small sizes, such as particles in the nanometer-size range (i.e. 1 to 250 nm). The process variables are determined using a milling procedure.
  • the poly-oxygenated aluminum hydroxide material may comprise of Ox66TM particles with an aluminum backbone or other metal backbones, such as lithium, sodium, or potassium.
  • FIG. 1 is a scanning electron microscopy (SEM) image of a single 50 micrometer ( ⁇ m) Ox66TM particle;
  • FIG. 2 is a graphic art image of the jagged shaped Ox66TM particle population
  • FIG. 3 depicts one exemplary process used to create nano-engineered Ox66TM nanoparticles to exploit the physical and chemical properties of each particle-type
  • FIG. 4 illustrates three different graphs modeling the effect of Ox66TM particle size when varying (A) rotation rate, (B) grinding ball size, and (C) rotation time;
  • FIGS. 5-7 are scanning electron microscopy (SEM) images showing the nano-engineered Ox66TM particles at different image magnifications having particle diameters at 3 ⁇ m and below.
  • Engineered nanoparticles are routinely defined as particles with sizes between about 1 and 1000 nm that show physical or chemical properties that are not found in bulk samples of the same material.
  • Dissolved oxygen refers to micrometer or nanometer sized bubbles of gaseous oxygen (mixed in water or other aqueous solution) made bioavailable to organisms, animals, or humans for respiration.
  • Aqueous medium means pertaining to, related to, and similar to water (the most common solvent on Earth).
  • inventive concepts disclosed and claimed herein relate generally to a nanometer-sized composition and process for forming poly-oxygenated metal hydroxide particles having a diameter of less than or equal to 3 ⁇ m.
  • engineered hydroxide particles having a diameter of less than or equal to 3 ⁇ m enable numerous revolutionary applications and treatments that provide significant achievements in bioscience. Through research and clinical studies, these particles have been proven to treat body conditions of mammals, including humans and animals, with extraordinary success and efficiency.
  • engineered hydroxide particles having a diameter of less than or equal to 70 nm do not create an immune response of the mammal.
  • Ox66TM particles are non-toxic poly-oxygenated aluminum hydroxide complexes stored in either a 1-99% by weight aqueous solution or as a dried powder, and are available from Hemotek LLC of Plano, Tex. The material is non-flammable, water-soluble, and slightly basic. Particle diameter sizes typically vary between 50 and 800 ⁇ m. These particles can also be described as a non-corrosive and non-vapor producing powder. Its appearance is white to slightly blue as a powder with mass but very little weight (i.e. one gallon weighs less than 4.3 ounces) or a clear slightly viscous liquid when placed in an aqueous suspension.
  • Ox66TM particles to have diameter sizes at or below 3 ⁇ m opens up significant and revolutionary new opportunities for oxygen therapy.
  • Providing particles having diameters of 3 ⁇ m or less is critical to achieve numerous new applications, such as by oral, nasal, intravenous, anal, vaginal, and topical delivery, to treat conditions and diseases in revolutionary ways.
  • new applications and treatments are disclosed herein.
  • One exemplary embodiment is delivering poly-oxygenated metal hydroxide particles intravenously as a resuscitative fluid, and to treat diseases of organs when the diameter of the particles is in the range of 250 nm to 1000 nm. Particles having diameters between 250 to 1000 nm will stay in the capillary, vein, or artery linings of the circulatory system and not passively diffuse past the lining into surrounding tissue.
  • Another exemplary embodiment is delivery, by aerosol when inhaled, for absorption of the poly-oxygenated metal hydroxide particles through the lung tissue when the particles are reduced to 250 nm and less.
  • Such an application effectively treats internal burns. Particles having a diameter size from 1 to 3000 nm deposit into the deep airway ducts and diffuse evenly within the alveolar or gas exchange regions of the lung.
  • a remarkable example is delivering the poly-oxygenated aluminum hydroxide particles intravenously to treat traumatic brain injury (TBI) when the diameter of the particles is reduced to about 10 nm and less so that the particles can traverse the brood brain barrier (BBB).
  • TBI traumatic brain injury
  • BBB brood brain barrier
  • This application can also be used to treat strokes, chronic traumatic encephelopathy (CTE), and perhaps even cancer.
  • CTE chronic traumatic encephelopathy
  • Another exemplary embodiment of this disclosure includes increasing the oxygen content of fluids with nanometer-sized Ox66TM particles, such as water, sports drinks, and nutritional drinks, which provides many benefits and applications.
  • the nanometer-sized Ox66TM particles have been clinically shown to pass through the stomach, duodenum, and intestinal walls into the bloodstream of the body, and are not simply absorbed by the stomach lining.
  • One method for increasing the dissolved oxygen content in an aqueous medium includes sparging the aqueous medium with air, oxygen or oxygen-enriched air.
  • the nanometer-sized Ox66TM particles either as a powder or in a carrier such as a gel or lotion, have also been clinically proven to increase the level of localized oxygen in injured tissues to accelerate the healing process.
  • FIG. 1 is a scanning electron microscopy (SEM) image of a single 50 micrometer ( ⁇ m) Ox66TM particle.
  • SEM scanning electron microscopy
  • a 50 ⁇ m particle is easily aerosolized, but it is well outside the critical respirable range of 1-3 ⁇ m.
  • the 50 ⁇ m particle has little density due to its chemical composition and its porosity.
  • FIG. 2 is a graphic art image of the jagged shaped Ox66TM particle population.
  • Controlled milling is defined as a machining procedure using vessels accelerating in a rotary or planetary motion to decrease the size of the primary particles from micrometer sized to nanometer sized materials. Milling covers a wide array of procedures, operations, tools, and machines. The resultant nanometer sized particle can be accomplished using small instruments or large milling machines. Example milling instruments include: “milling machine”, “machining centers”, or “multitasking machines”.
  • FIG. 3 there is shown an exemplary process at 40 for forming nanosized Ox66TM particles having diameter sizes of 3 ⁇ m or less using a planetary motion milling machine.
  • a predetermined quantity of the quality assured Ox66TM powdered material is measured, and placed in a container.
  • a milling scale is used to establish parameters of the generating particles having a diameter of 3 ⁇ m or less, such as shown in FIG. 4 , both for small-scale production as well as mass production.
  • the milling procedure is dependant upon the features of the ball mill, which may be a planetary motion device, such as Retsch Planetary Ball Mill PM 100, 200, or 400 or United Nuclear Scientific Equipment ‘Hobby” Ball Mill.
  • the milling procedure identifies several variables, including a quantity of Ox66TM material, the rotation rate, the size of the milling beads, the type of milling beads, and the time of milling to achieve desired size of the Ox66TM particles.
  • the rotation rate may be for at least 1 minute up to 1,440 minutes at a rotation rate of at least 100 up to 10,000 rotations per minute.
  • FIG. 4 includes three different graphs modeling the effect of Ox66TM particle size when varying (A) rotation rate, (B) grinding ball size, and (C) rotation time.
  • A rotation rate
  • B grinding ball size
  • C rotation time
  • the predetermined quantity of Ox66TM particles are then milled in a controlled manner in a planetary motion ball mill, according to the milling procedure to achieve a desired size of the Ox66TM particles.
  • the Ox66TM particles are milled or ground down under high energy in the presence of a milling media, such as highly reticulated polystyrene or zirconium milling beads.
  • the Ox66TM particles are recirculated, re-milling them until a consistent product is generated.
  • step 48 additional sorting may be performed to create homogenous size particles, such as using sieves as will be described shortly.
  • the milled Ox66TM particles are subjected to quality analysis to confirm sizing and consistency. If the Ox66TM particles are not consistent, they may be further milled to achieve the desired sizing.
  • Nanosuspension is defined as a submicron colloidal dispersion of drug particles.
  • the resultant Ox66TM particles have a primary critical particle size of 3 ⁇ m or less.
  • the reduced size particles are then separated into homogeneous sizes in an effort to exploit the physical and chemical properties of each particle-type.
  • Sieves can be used to sort out particles by diameter sizes to create homogenous sizes of particles, such as using sieve shakers manufactured by Endecotts Ltd of London, UK. Different size sieve filters are used to obtain selected particle sizes.
  • One size of particles is particularly beneficial for treating a particular body condition, such as 10 nm diameter particles to treat traumatic brain injury (TBI).
  • Another homogenous size of particles may be beneficial for providing a resuscitative fluid (RF) to increase the tissue oxygenation (PO 2 ), such as using 35 to 70 nm diameter particles which do not trigger an immune response.
  • RF resuscitative fluid
  • Generating nanometer sized particles increases the in vivo (i.e. in a whole, alive organism) dissolution rate and fraction absorbed to increases oral bioavailability.
  • FIGS. 5-7 are scanning electron microscopy (SEM) images showing the nano-engineered Ox66TM particles at different image magnifications, showing the particle diameters at 3 ⁇ m and below.
  • nanomaterial-based dosage forms are encouraged by a number of pharmaceutical drivers; for compounds whose water solubility or dissolution rate limits their oral bioavailability, size reduction into the nanometer size domain can increase in vivo dissolution rate and fraction absorbed.
  • the process to generate a homogeneous nanometer size particle population can also be of use in the design of parenteral dosage forms wherein poorly soluble drugs can be “milled” to a specified size and size range resulting in not only useful bioavailability but also sustained release features.
  • top-down strategies are considered more controllable and more robust as a function of process and design space for this type of manipulation.

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Abstract

A composition and process to produce poly-oxygenated metal hydroxide particles on the nanometer size scale. The relevant particle size includes all size populations ranging from 1 nanometer (nm) to 3000 nanometers (nm) or 3 micrometer (μm) in particle diameter. Filtering may be used to create homogeneous particle sizes. Exemplary delivery applications include inhalation, ingestion, anally, vaginally, dermal penetration or permeation, intramuscular injection, and intravenous injection to treat numerous conditions and diseases of mammals, including humans and animals.

Description

    CLAIM OF PRIORITY
  • This application claims priority under 35 U.S.C. Section 119(e) of U.S. Patent Application U.S. Ser. No. 62/315,524 entitled OXYGEN-ENABLED RESUSCITATIVE FLUID filed Mar. 30, 2016, the teachings of which are incorporated herein by reference in their entirety.
    • TECHNICAL FIELD
  • The disclosure relates generally to a composition, and a method of generating a nanometer-sized poly-oxygenated metal hydroxide material, and creating homogenous particles suitable for advanced therapies when delivered to mammals, including humans and animals. Principal delivery methods include topical, oral, anal, vaginal, inhalation, intramuscular injection, and intravenous delivery.
    • BACKGROUND
  • Oxygen is one of the fundamental building blocks of life. Oxygen sustains life, but it also has therapeutic (i.e. healing) powers when delivered topically to tissue, orally for digestion, anally, vaginally, aerosolized for inhalation, injected to intramuscular tissue, intravenously to the blood circulatory system, and other delivery methods. Conventional oxygen therapies are commonly comprised of a gaseous delivery of oxygen (i.e. O2) in chambers, such as hyperbaric oxygen therapy (HBOT). However, the concentration of oxygen delivered by gas is rather small, and the chambers are both expensive and not widely available.
  • A poly-oxygenated aluminum hydroxide, such as manufactured by Hemotek, LLC of Plano, Tex. as Ox66™, is a revolutionary product that has been proven to have therapeutic benefits. Ox66™ is provided in powder form and is described as a non-homogenous size particle population, typically ranging from about 50 to 800 micrometers (μm).
    • SUMMARY
  • A composition of nanometer-sized poly-oxygenated metal hydroxide, and a process for generating a nanometer sized particle population of the poly-oxygenated metal hydroxide. The process includes the steps of obtaining a predetermined quantity of poly-oxygenated metal material, determining process variables as a function of the predetermined quantity, and then processing the predetermined quantity of poly-oxygenated metal hydroxide material using the determined process variables to create a quantity of poly-oxygenated metal hydroxide material having particle sizes of less than or equal to 3 μm in diameter. In one preferred embodiment, the processed poly-oxygenated metal hydroxide is homogeneous, and the poly-oxygenated metal hydroxide is a poly-oxygenated aluminum hydroxide.
  • In an exemplary embodiment, the particle size population is less than or equal to 250 nm in diameter. The process may use a ball mill, where a ball is defined as a type of mill used to grind, mix, or blend solid-state materials. Aside from common ball mills, there is a second type of ball mill called a planetary ball mill. Planetary ball mills are smaller than common ball mills and are mainly used in laboratories for grinding sample material down to very small sizes, such as particles in the nanometer-size range (i.e. 1 to 250 nm). The process variables are determined using a milling procedure. The poly-oxygenated aluminum hydroxide material may comprise of Ox66™ particles with an aluminum backbone or other metal backbones, such as lithium, sodium, or potassium.
    • BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is a scanning electron microscopy (SEM) image of a single 50 micrometer (μm) Ox66™ particle;
  • FIG. 2 is a graphic art image of the jagged shaped Ox66™ particle population;
  • FIG. 3 depicts one exemplary process used to create nano-engineered Ox66™ nanoparticles to exploit the physical and chemical properties of each particle-type;
  • FIG. 4 illustrates three different graphs modeling the effect of Ox66™ particle size when varying (A) rotation rate, (B) grinding ball size, and (C) rotation time; and
  • FIGS. 5-7 are scanning electron microscopy (SEM) images showing the nano-engineered Ox66™ particles at different image magnifications having particle diameters at 3 μm and below.
    •  DETAILED DESCRIPTION
  • The following description of example embodiments provides information that enables a person skilled in the art to make and use the subject matter set forth in the appended claims, but may omit certain details already well-known in the art. The following detailed description is, therefore, to be taken as illustrative and not limiting. Objectives, advantages, and a preferred mode of making and using the claimed subject matter may be understood best by reference to the accompanying drawings in conjunction with the following detailed description of illustrative embodiments.
  • The example embodiments may also be described herein with reference to spatial relationships between various elements or to the spatial orientation of various elements depicted in the attached drawings. In general, such relationships or orientation assume a frame of reference consistent with or relative to a patient in a position to receive treatment. However, as should be recognized by those skilled in the art, this frame of reference is merely a descriptive expedient rather than a strict prescription.
  • Engineered nanoparticles are routinely defined as particles with sizes between about 1 and 1000 nm that show physical or chemical properties that are not found in bulk samples of the same material.
  • Dissolved oxygen refers to micrometer or nanometer sized bubbles of gaseous oxygen (mixed in water or other aqueous solution) made bioavailable to organisms, animals, or humans for respiration.
  • Aqueous medium means pertaining to, related to, and similar to water (the most common solvent on Earth).
  • The inventive concepts disclosed and claimed herein relate generally to a nanometer-sized composition and process for forming poly-oxygenated metal hydroxide particles having a diameter of less than or equal to 3 μm. These engineered hydroxide particles having a diameter of less than or equal to 3 μm enable numerous revolutionary applications and treatments that provide significant achievements in bioscience. Through research and clinical studies, these particles have been proven to treat body conditions of mammals, including humans and animals, with astounding success and efficiency. These engineered hydroxide particles having a diameter of less than or equal to 70 nm do not create an immune response of the mammal.
  • Ox66™ particles are non-toxic poly-oxygenated aluminum hydroxide complexes stored in either a 1-99% by weight aqueous solution or as a dried powder, and are available from Hemotek LLC of Plano, Tex. The material is non-flammable, water-soluble, and slightly basic. Particle diameter sizes typically vary between 50 and 800 μm. These particles can also be described as a non-corrosive and non-vapor producing powder. Its appearance is white to slightly blue as a powder with mass but very little weight (i.e. one gallon weighs less than 4.3 ounces) or a clear slightly viscous liquid when placed in an aqueous suspension.
  • According to exemplary embodiments of this disclosure, through research, studies and clinical studies, it has been discovered that engineering the Ox66™ particles to have diameter sizes at or below 3 μm opens up significant and revolutionary new opportunities for oxygen therapy. Providing particles having diameters of 3 μm or less is critical to achieve numerous new applications, such as by oral, nasal, intravenous, anal, vaginal, and topical delivery, to treat conditions and diseases in revolutionary ways. Several of the new applications and treatments are disclosed herein.
  • One exemplary embodiment is delivering poly-oxygenated metal hydroxide particles intravenously as a resuscitative fluid, and to treat diseases of organs when the diameter of the particles is in the range of 250 nm to 1000 nm. Particles having diameters between 250 to 1000 nm will stay in the capillary, vein, or artery linings of the circulatory system and not passively diffuse past the lining into surrounding tissue.
  • Another exemplary embodiment is delivery, by aerosol when inhaled, for absorption of the poly-oxygenated metal hydroxide particles through the lung tissue when the particles are reduced to 250 nm and less. Such an application effectively treats internal burns. Particles having a diameter size from 1 to 3000 nm deposit into the deep airway ducts and diffuse evenly within the alveolar or gas exchange regions of the lung.
  • A remarkable example is delivering the poly-oxygenated aluminum hydroxide particles intravenously to treat traumatic brain injury (TBI) when the diameter of the particles is reduced to about 10 nm and less so that the particles can traverse the brood brain barrier (BBB). This application can also be used to treat strokes, chronic traumatic encephelopathy (CTE), and perhaps even cancer. Ongoing research at Baylor University, the applicant of this application, continues to discover and prove numerous revolutionary uses for nano-sized poly-oxygenated aluminum hydroxide.
  • There is a significant biophysical difference between a 50 μm particle and a 3 particle. After intravenous administration, 50 μm particles are larger and have more mass than 3 particles, therefore they tend to absorb onto the linings of the veins. Three (3) μm particles stay in circulation much longer, have much less mass, and have higher surface area. After inhalation administration, 50 μm diameter particles deposit in the oral or nasal cavity and do not reach even the upper airways of the lung. Three (3) μm diameter particles are small enough to deposit in the very deep lung and perfuse out to the lung lining. After topical administration, 50 μm diameter particles tend to stay on the surface of the epidermis and eventually wash off the skin completely. Three (3) μm diameter particles penetrate through the epidermis and dermis layers of the skin and reside in the subcutaneous layer of the skin. After oral administration, 3 diameter particles absorb through the lining of the esophagus and stomach. Fifty (50) diameter particles reside in the stomach for up to 4 hours, dissolve (or break-down) and lose their oxygen carrying capability.
  • Another exemplary embodiment of this disclosure includes increasing the oxygen content of fluids with nanometer-sized Ox66™ particles, such as water, sports drinks, and nutritional drinks, which provides many benefits and applications. The nanometer-sized Ox66™ particles have been clinically shown to pass through the stomach, duodenum, and intestinal walls into the bloodstream of the body, and are not simply absorbed by the stomach lining. One method for increasing the dissolved oxygen content in an aqueous medium includes sparging the aqueous medium with air, oxygen or oxygen-enriched air.
  • In another exemplary embodiment of this disclosure, the nanometer-sized Ox66™ particles, either as a powder or in a carrier such as a gel or lotion, have also been clinically proven to increase the level of localized oxygen in injured tissues to accelerate the healing process.
  • FIG. 1 is a scanning electron microscopy (SEM) image of a single 50 micrometer (μm) Ox66™ particle. A 50 μm particle is easily aerosolized, but it is well outside the critical respirable range of 1-3 μm. The 50 μm particle has little density due to its chemical composition and its porosity.
  • FIG. 2 is a graphic art image of the jagged shaped Ox66™ particle population.
    • DESCRIPTION OF EXAMPLE EMBODIMENTS
  • Controlled milling is defined as a machining procedure using vessels accelerating in a rotary or planetary motion to decrease the size of the primary particles from micrometer sized to nanometer sized materials. Milling covers a wide array of procedures, operations, tools, and machines. The resultant nanometer sized particle can be accomplished using small instruments or large milling machines. Example milling instruments include: “milling machine”, “machining centers”, or “multitasking machines”.
  • Referring to FIG. 3, there is shown an exemplary process at 40 for forming nanosized Ox66™ particles having diameter sizes of 3 μm or less using a planetary motion milling machine.
  • At step 42, a predetermined quantity of the quality assured Ox66™ powdered material is measured, and placed in a container.
  • At step 44, a milling scale is used to establish parameters of the generating particles having a diameter of 3 μm or less, such as shown in FIG. 4, both for small-scale production as well as mass production. The milling procedure is dependant upon the features of the ball mill, which may be a planetary motion device, such as Retsch Planetary Ball Mill PM 100, 200, or 400 or United Nuclear Scientific Equipment ‘Hobby” Ball Mill. The milling procedure identifies several variables, including a quantity of Ox66™ material, the rotation rate, the size of the milling beads, the type of milling beads, and the time of milling to achieve desired size of the Ox66™ particles. For example, the rotation rate may be for at least 1 minute up to 1,440 minutes at a rotation rate of at least 100 up to 10,000 rotations per minute.
  • FIG. 4 includes three different graphs modeling the effect of Ox66™ particle size when varying (A) rotation rate, (B) grinding ball size, and (C) rotation time. As rotation rate, measured in rotations per minute (rpm) increases, particle size decreases. As grinding ball size, measured in millimeters (mm) decreases, particle size decreases. As rotation time, measured in hours (hrs) increases, particle size decreases.
  • At step 46, the predetermined quantity of Ox66™ particles are then milled in a controlled manner in a planetary motion ball mill, according to the milling procedure to achieve a desired size of the Ox66™ particles. The Ox66™ particles are milled or ground down under high energy in the presence of a milling media, such as highly reticulated polystyrene or zirconium milling beads. The Ox66™ particles are recirculated, re-milling them until a consistent product is generated.
  • Optionally, at step 48, additional sorting may be performed to create homogenous size particles, such as using sieves as will be described shortly.
  • At step 50, the milled Ox66™ particles are subjected to quality analysis to confirm sizing and consistency. If the Ox66™ particles are not consistent, they may be further milled to achieve the desired sizing.
  • The milling media can also abrade under the conditions of milling, so care is taken such that significant contamination of the nanosuspension by the milling media does not occur. Nanosuspension is defined as a submicron colloidal dispersion of drug particles.
  • The resultant Ox66™ particles have a primary critical particle size of 3 μm or less. In one exemplary embodiment, the reduced size particles are then separated into homogeneous sizes in an effort to exploit the physical and chemical properties of each particle-type. Sieves can be used to sort out particles by diameter sizes to create homogenous sizes of particles, such as using sieve shakers manufactured by Endecotts Ltd of London, UK. Different size sieve filters are used to obtain selected particle sizes.
  • One size of particles is particularly beneficial for treating a particular body condition, such as 10 nm diameter particles to treat traumatic brain injury (TBI). Another homogenous size of particles may be beneficial for providing a resuscitative fluid (RF) to increase the tissue oxygenation (PO2), such as using 35 to 70 nm diameter particles which do not trigger an immune response. Generating nanometer sized particles increases the in vivo (i.e. in a whole, alive organism) dissolution rate and fraction absorbed to increases oral bioavailability.
  • FIGS. 5-7 are scanning electron microscopy (SEM) images showing the nano-engineered Ox66™ particles at different image magnifications, showing the particle diameters at 3 μm and below.
  • The pharmaceutical preparation of nanomaterial-based dosage forms is encouraged by a number of pharmaceutical drivers; for compounds whose water solubility or dissolution rate limits their oral bioavailability, size reduction into the nanometer size domain can increase in vivo dissolution rate and fraction absorbed.
  • The process to generate a homogeneous nanometer size particle population can also be of use in the design of parenteral dosage forms wherein poorly soluble drugs can be “milled” to a specified size and size range resulting in not only useful bioavailability but also sustained release features.
  • The development of drug particles within the nanometer size regime of 1 to 1000 nm involves a top-down approach in which the active ingredient is milled (or otherwise subjected to particle reduction strategies) in either an aqueous environment or in a dry formulation; top-down strategies are considered more controllable and more robust as a function of process and design space for this type of manipulation.
  • The appended claims set forth novel and inventive aspects of the subject matter described above, but the claims may also encompass additional subject matter not specifically recited in detail. For example, certain features, elements, or aspects may be omitted from the claims if not necessary to distinguish the novel and inventive features from what is already known to a person having ordinary skill in the art. Features, elements, and aspects described herein may also be combined or replaced by alternative features serving the same, equivalent, or similar purpose without departing from the scope of the invention defined by the appended claims.

Claims (20)

1. A process for generating reduced sized particles of poly-oxygenated metal hydroxide, comprising the step of:
obtaining predetermined quantity of poly-oxygenated metal hydroxide material;
determining process variables as a function of the predetermined quantity; and
processing the predetermined quantity of poly-oxygenated metal hydroxide material using the determined process variables to create a processed quantity poly-oxygenated metal hydroxide material having particle sizes of less than or equal to 3 μm in diameter.
2. The process as specified in claim 1 wherein the processed quantity of oxygenated metal hydroxide material is homogenous.
3. The process as specified in claim 1, further comprising the step of:
analyzing the processed quantity of poly-oxygenated metal hydroxide material to confirm the particle sizes are less than or equal to 3 μm in diameter.
4. The process as specified in claim 1 further comprising the step of using a planetary motion machine to perform the processing step.
5. The process as specified in claim 1 wherein the process variables are determined based on a milling scale.
6. The process as specified in claim 1 wherein the poly-oxygenated metal hydroxide material comprises a poly-oxygenated aluminum hydroxide.
7. The process as specified in claim 2 wherein the processing step creates a homogenous quantity of poly-oxygenated metal hydroxide material having particle sizes of less than or equal to 250 nm diameter.
8. A composition, comprising:
a quantity poly-oxygenated aluminum hydroxide having particle sizes of less than or equal to 3 μm in diameter, wherein the poly-oxygenated metal hydroxide comprises a clathrate containing free oxygen gas (O2) molecules.
9. The composition as specified in claim 8, wherein the quantity of poly-oxygenated aluminum hydroxide is homogeneous.
10. The composition as specified in claim 8, wherein the homogenous quantity of poly-oxygenated aluminum hydroxide has particle sizes of less than or equal to 250 nm in diameter.
11. canceled
12. canceled
13. The composition as specified in claim 8 wherein poly-oxygenated aluminum hydroxide is therapeutically effective in treating a condition of a mammal.
14. The composition as specified in claim 8 wherein the poly-oxygenated aluminum hydroxide is configured to be intravenously delivered to a mammal.
15. The composition as specified in claim 8 wherein the poly-oxygenated aluminum hydroxide is configured to not create an immune response of the mammal.
16. The composition as specified claim 8 wherein the poly-oxygenated aluminum hydroxide is configured to deposit deep into a lung and perfuse the oxygen gas out to lining of the lung.
17. The composition as specified in claim 8 wherein the oxygen gas is configured to penetrate through epidermis and dermis layers of skin and reside in a subcutaneous layer of the skin.
18. The composition as specified in claim 8 wherein the oxygen gas is configured to absorb through lining of an esophagus and a stomach.
19. The composition as specified in claim 8 wherein the poly-oxygenated hydroxide is configured to traverse a blood brain barrier (BBB) of a mammal.
20. The composition as specified in claim 8 wherein the poly-oxygenated aluminum hydroxide is configured to stay in a capillary, vein, or artery linings of a mammal circulatory system and not passively diffuse past a lining into surrounding tissue.
US15/188,586 2002-05-01 2016-06-21 Process For Generating Nanometer Sized Particles That Increase Oxygen Levels In Mammalian Tissues Abandoned US20170281674A1 (en)

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US15/188,586 US20170281674A1 (en) 2016-03-30 2016-06-21 Process For Generating Nanometer Sized Particles That Increase Oxygen Levels In Mammalian Tissues
CN201780029672.7A CN109152794B (en) 2016-03-30 2017-03-29 Polyoxy metal hydroxides comprising clathrates that increase oxygen levels in mammalian tissue
KR1020207001987A KR102209935B1 (en) 2016-03-30 2017-03-29 Poly-oxygenated aluminum hydroxide comprising a clathrate that increases oxygen level
EP17717972.8A EP3436033B1 (en) 2016-03-30 2017-03-29 A poly-oxygenated metal hydroxide comprising a clathrate that increases oxygen levels in mammalian tissues
CA3057826A CA3057826A1 (en) 2016-03-30 2017-03-29 A poly-oxygenated metal hydroxide comprising a clathrate that increases oxygen levels in mammalian tissues
AU2017245152A AU2017245152B2 (en) 2016-03-30 2017-03-29 A poly-oxygenated metal hydroxide comprising a clathrate that increases oxygen levels in mammalian tissues
ES17717972T ES2787324T3 (en) 2016-03-30 2017-03-29 Polyoxygenated metal hydroxide that is composed of a clathrate that increases oxygen levels in mammalian tissues
KR1020187031473A KR20190010542A (en) 2016-03-30 2017-03-29 A multi-oxygenated metal hydroxide comprising a porcelain which increases the amount of oxygen in the mammalian tissue
PCT/US2017/024717 WO2017172893A1 (en) 2016-03-30 2017-03-29 A poly-oxygenated metal hydroxide comprising a clathrate that increases oxygen levels in mammalian tissues
US15/493,688 US9980909B2 (en) 2016-03-30 2017-04-21 Oxygen-enabled composition
US15/648,312 US9950006B2 (en) 2016-03-30 2017-07-12 Nutraceutical containing an oxygen-enabled composition
US15/983,602 US10137146B2 (en) 2016-03-30 2018-05-18 Oxygen-enabled composition
US16/152,977 US10272105B2 (en) 2016-03-30 2018-10-05 Plant medium including an oxygen-enabled composition
US16/384,599 US10780110B2 (en) 2002-05-01 2019-04-15 Plant medium including an oxygen-enabled composition
US17/025,860 US11458161B2 (en) 2016-03-30 2020-09-18 Plant medium including an oxygen-enabled composition
US17/959,983 US20230124172A1 (en) 2016-03-30 2022-10-04 Plant medium including an oxygen-enabled composition

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US15/188,586 US20170281674A1 (en) 2016-03-30 2016-06-21 Process For Generating Nanometer Sized Particles That Increase Oxygen Levels In Mammalian Tissues

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US15/188,586 Abandoned US20170281674A1 (en) 2002-05-01 2016-06-21 Process For Generating Nanometer Sized Particles That Increase Oxygen Levels In Mammalian Tissues
US15/346,580 Active US9682103B1 (en) 2016-03-30 2016-11-08 Administration of a poly-oxygenated metal hydroxide to reduce the proliferation of carcinoma cells

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