WO2023008927A1 - 유기물, 무기물 또는 이들의 염으로 이루어진 무정형 나노 분자 회합체 및 그의 제조방법 - Google Patents
유기물, 무기물 또는 이들의 염으로 이루어진 무정형 나노 분자 회합체 및 그의 제조방법 Download PDFInfo
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- A61K31/167—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol
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Definitions
- the present invention relates to an amorphous nano-molecular assembly composed of organic/inorganic materials or salts thereof, and more particularly, an amorphous nanoparticle having excellent solubility and permeability to lipid membranes, prepared by applying shear stress to organic/inorganic materials or salts thereof. It is about molecular associations.
- active ingredients in the form of organic/inorganic substances or salts thereof to a target location in the human body, it is known that the following two conditions must be satisfied.
- solubility of the active ingredient in water must be secured. Since all fluids in the human body are water-based solutions or dispersions, solubility in water or dispersion phase in water must be sufficiently secured in order for a drug to be delivered to move in the body.
- the permeability of the active ingredient to the hydrophobic membrane must be secured. Since cells in the human body are surrounded by a hydrophobic membrane like a phospholipid membrane, in order to pass through it, the surface properties of drug molecules or drug structures must be hydrophobic, or the size is very small enough to penetrate the cell membrane. should be
- this drug encapsulation method has limitations in that the encapsulation process is complicated, the yield of encapsulation may be low, and the surfactant or polymer component surrounding the drug must be removed or passed through in order for the drug to be released. In addition, since most of the surfaces of cells or tissues that require permeation are composed of lipophilic phospholipid components, absorption of the drug is not efficient when the drug is hydrophilic.
- polarity is applied to drug molecules to induce polar interactions with water molecules, or molecules that are very friendly to water, such as PEG, are covalently bonded or ionic bonded (complex) to a part of the molecular structure. ) method can be used.
- top-down process such as high pressure homogenization, milling, and a piston-gap homogenizer
- bottom-up process such as precipitation or self-assembly
- the top-down method is a technology for manufacturing micrometer-sized particles by reducing the size of particles through methods such as grinding. It has its downsides.
- the bottom-up method is a technology that grows nanometer-sized structures at the atomic or molecular level, in contrast to the top-down method. This technology is presented as a way to overcome the limitations of the top-down method. However, at the current technology level, it is still difficult to obtain direct results from the economic advantages of atomic or molecular technology.
- Patent Document 1 Republic of Korea Patent Publication No. 10-2011-0053775 (2011.05.24), nano powder dispersion device using focused ultrasound and dispersion method using the same
- the present inventors dissolved drug molecules, which are pharmacologically active ingredients, in a solvent, and then brought the molecules very close to each other, so that the polar groups in the molecules behave as if they were a single entity. Confirmed.
- small particles at the molecular level can be prepared in a bottom-up method rather than a top-down method, but can be prepared in an amorphous rather than crystalline nano-sized drug structure.
- an object of the present invention is to prepare a molecular assembly of a new structure using polar interactions or hydrogen bonds of molecules without changing the chemical structure of the molecule of a pharmacologically active ingredient, so that the surface of the molecular assembly is hydrophobic (hydrophobic). ) to provide a pharmacologically active ingredient molecular association with increased permeability to a phospholipid membrane.
- the present invention is manufactured using a new method rather than the conventional top-down method, despite the advantage of reaching the highest saturation solubility of the existing amorphous drug nanoparticle. It is expected to bring innovation to the field of nanomedicine, ultimately nanotechnology, by improving the shelf-life maintenance period and problems caused by too fast dissolution rate of amorphous nanoparticle particle size. In conclusion, the present invention will be a new innovative technology in the field of amorphous nanomedicine and nanotechnology below 50 nm.
- the present invention is a molecular association in which organic or inorganic substances are physically bonded, and when the molecular association is formed as a composition containing water, the molecular association in the composition has an aggregated structure.
- the average particle diameter of the molecular assembly is 50 nm or less, and an amorphous nano-molecular assembly is provided.
- the present invention is a molecular association in which salts of organic or inorganic substances are physically bonded, and when the molecular association is formed in a composition containing water, the molecular association in the composition has an aggregated structure, An amorphous nanomolecular aggregate having an average particle diameter of 50 nm or less is provided.
- the present invention is organic, inorganic or salts thereof; And water; after putting the composition comprising a shear stress into the device,
- a method for preparing a nanomolecular assembly by applying shear stress to the composition to prepare a molecular assembly in which organic substances, inorganic substances or salts thereof are physically bonded.
- the present invention by preparing a molecular assembly of a new structure utilizing polar interactions or hydrogen bonds, without the hassle of changing the molecular structure of organic, inorganic substances or salts thereof such as pharmacologically active ingredients,
- By making the surface hydrophobic not only can the permeability to the phospholipid membrane be increased, but the original molecular and chemical properties themselves are the same, so the initially intended drug effect can be displayed as it is, and the manufacturing method is simple. This has the advantage of reducing manufacturing costs.
- the molecular association of the present invention can be used in various pharmaceutical compositions.
- FIG. 1 is a schematic diagram of an apparatus for preparing a molecular association of pharmacologically active ingredients according to an embodiment of the present invention.
- Figure 2 is a schematic diagram of an apparatus for preparing a molecular association of pharmacologically active ingredients according to another embodiment of the present invention.
- FIG. 3 is a graph showing the results of measuring NOESY, a two-dimensional NOE (Nuclear Overhauser Effect) spectrum, for a pharmacologically active ingredient according to an embodiment of the present invention.
- FIG. 4 is a graph showing the results of measuring NOESY, a two-dimensional NOE spectrum, for molecular associations of pharmacologically active ingredients according to an embodiment of the present invention.
- FIG. 6 shows a comparison of FT-IR spectra according to an embodiment of the present invention.
- FIG. 11 shows a comparison of FT-IR spectra according to another embodiment of the present invention.
- FIG. 13 is a TEM photograph of a molecular assembly according to another embodiment of the present invention.
- FIG. 14 is a graph showing XRD measurement results of molecular associations according to another embodiment of the present invention.
- 15 is a graph showing XRD measurement results of molecular assemblages according to another embodiment of the present invention.
- 16 is a graph showing DSC measurement results of molecular associations according to another embodiment of the present invention.
- 17 is a TEM photograph of a molecular assembly according to another embodiment of the present invention.
- 19 is a TEM photograph of a molecular assembly according to another embodiment of the present invention.
- 20 is a 3D hologram photograph of the phospholipid membrane penetration performance of the molecular assembly according to another embodiment of the present invention.
- 21 is a schematic diagram of a Wuxing chamber in which the corneal penetration performance of molecular assemblages according to another embodiment of the present invention is measured.
- small particles at the molecular level are manufactured by a bottom-up method rather than a top-down method, but have a structure of an amorphous nano-sized drug rather than a crystalline form, and can be obtained without changing the chemical structure of organic substances, inorganic substances or salts thereof.
- the surface of the molecular assembly has a hydrophobic (hydrophobic), increasing the permeability to the phospholipid membrane, organic matter, inorganic material or their Molecular associations of salts are presented.
- a solution containing organic, inorganic, or salts thereof is introduced into the device, and then a solution containing organic, inorganic, or salts thereof is introduced into the device. It is characterized in that by applying shear stress to prepare a molecular assembly of organic substances, inorganic substances or salts thereof.
- Methods for preparing drugs in nanometer size include top-down technologies such as high pressure homogenization, milling, and piston-gap homogenizer, and precipitation ) or bottom-up technology such as self-assembly.
- the top-down manufacturing technology is a technology for producing micrometer-sized particles by reducing the particle size through methods such as grinding, and has disadvantages such as increased cost, risk of contamination, and product damage due to repeated grinding. have them
- the bottom-up manufacturing technology such as precipitation has the advantage of having a low cost and simple manufacturing process through crystal growth, but only crystalline products can be manufactured, and excessive growth of crystals and their aggregation are caused by surfactants and There was a problem of adding the same separate compound.
- the present inventors dissolved drug molecules in the form of organic, inorganic, or salts thereof in a solvent, and then brought the molecules very close to each other, so that the polar groups in the molecules interacted to form molecular associations. and confirmed the phenomenon that they behave like a single entity.
- the present invention is intended to manufacture small particles at the molecular level in a bottom-up method rather than a top-down method, but in a non-crystalline, non-crystalline, nano-sized drug structure.
- a solution containing an organic substance, an inorganic substance, or a salt thereof is introduced into an apparatus, and then a shear stress is applied to a solution containing an organic substance, an inorganic substance, or a salt thereof to form a molecular assembly of organic substances, inorganic substances, or salts thereof.
- a device for manufacturing is provided.
- the apparatus for preparing molecular associations of organic substances, inorganic substances or salts thereof is capable of preparing molecular associations of organic substances, inorganic substances or salts thereof according to the present invention by applying shear stress to a solution containing organic substances, inorganic substances or salts thereof.
- shear stress using a roll mill process or a ball mill process.
- the solvent for preparing the oil phase is oil derived from grain extracts such as castor oil, MCT oil, soybean oil, peanut oil, etc., or oil derived from herbal extracts such as ginseng, camellia, green tea, angelica, etc. showing pharmacological effects. Any one or more of them may be used, but are not necessarily limited thereto.
- the organic, inorganic, or salt thereof may be used as a pharmacologically active ingredient, which may be used without particular limitation as long as it is a pharmaceutically useful substance or a substance having a medical effect.
- a pharmacologically active ingredient for example, cyclosporine A, paclitaxel, docetaxel, deckercin, meloxicam, itraconazole, celecoxib, capecitabine, travo, frost, isoflavones, diclofenac sodium, tyrosine kinase inhibitors sunitinib, pazopanib, Axitinib, regorafenib, trametinib, ginsenoside Rg1, tachlorimus, alendronate, latanoprost, bimatoprost, atorvastatin calcium, rosuvastatin calcium, entecavir, amphotericin B, omega 3 , various cholic acids, such as deoxy
- FIG. 1 a schematic diagram for explaining a device for preparing a molecular association of organic, inorganic or salts thereof according to an embodiment of the present invention is shown in FIG. 1.
- an apparatus for producing a molecular association of organic, inorganic, or salts thereof includes a plurality of devices to apply shear stress to a solution containing organic, inorganic, or salts thereof.
- a roll of can be provided.
- the plurality of rolls may be two rolls facing each other, and may further include one or several rolls in addition to this.
- a solution containing the organic, inorganic, or salt thereof (indicated as PTX Sol. in FIG. 1 as an example) is put between two facing rolls (roll A and roll B in FIG. 1) in the device. can do.
- the two rolls facing each other are rotated for the solution containing the organic, inorganic, or salt thereof introduced between the two rolls, the organic, inorganic, or salt contained in the solution containing the organic, inorganic, or salt thereof is rotated.
- shear stress to the salt By applying shear stress to the salt, a molecular association of organic, inorganic, or salts thereof according to the present invention can be prepared.
- the distance between the two facing rolls may be set to 0.5 to 1000 ⁇ m.
- the gap between the two facing rolls may be set to, for example, 0.5 ⁇ m or more, 1 ⁇ m or more, 2 ⁇ m or more, 3 ⁇ m or more, 4 ⁇ m or more, 5 ⁇ m or more, 10 ⁇ m or more, 1000 ⁇ m or less, 900 ⁇ m or less, 800 ⁇ m or less, 700 ⁇ m or less, 600 ⁇ m or less, 500 ⁇ m or less, 400 ⁇ m or less, 300 ⁇ m or less, 200 ⁇ m or less, 100 ⁇ m or less, preferably set to 10 to 100 ⁇ m can If the gap between the two facing rolls is less than 0.5 ⁇ m, the discharge amount between the rolls is too small, resulting in a problem of production speed, and if it is greater than 1000 ⁇ m, the shear stress or compressive stress is
- the two facing rolls are different from each other. It can be rotated at speed. At this time, the rotational speed of any one of the two facing rolls is 50 to 250 rpm, and the rotational speed of the other may be 200 to 500 rpm. Alternatively, the rotation speed of each of the two facing rolls may be rotated at a ratio of 1:1.5 to 1:5.
- the rotation direction of the two facing rolls may be set to a co-current direction having the same rotation direction, and the rotation directions are mutually It can also be set to other counter-current directions.
- the apparatus for producing a molecular assembly according to an embodiment of the present invention may repeatedly apply shear stress or compressive stress to the contents discharged once several times.
- a solution containing an organic substance, an inorganic substance, or a salt thereof is introduced into the device in a first direction, and another solution is introduced in a second direction facing the first side, and then a shear stress is applied.
- An apparatus for producing a molecular association is provided.
- An apparatus for producing the molecular assembly of the present invention may also be used without particular limitation as long as it can produce the molecular assembly of the present invention by applying shear stress to a solution containing an organic material, an inorganic material or a salt thereof, but preferably a roll Applying shear stress using a mill process or a ball mill process can be used.
- the pharmacologically active ingredients may be the same as those mentioned above.
- the water-soluble compound is citric acid, carbonic acid, lactic acid, acetic acid, phosphoric acid, ascorbic acid, malic acid ), Tartaric acid, Glutaric acid, Succinic acid, Maleic acid, Fumaric acid, Malonic acid, HCl, H 2 SO 4 , NaH 2 PO 4 , NaHCO 3 , KHCO 3 , Na 2 CO 3 , K 2 CO 3 , Na 3 PO 4 , K 3 PO 4 , NaH 2 PO 4 , NH 4 OH, sodium acetate (NaOAc), KOH, Any one or more selected from the group consisting of NaOH and Ca(OH) 2 may be used.
- FIG. 2 a schematic diagram for explaining a device for producing a molecular assembly according to an embodiment of the present invention is shown in FIG. 2 .
- the apparatus for producing a molecular assembly may include a plurality of rolls to apply shear stress to a solution containing an organic material, an inorganic material, or a salt thereof.
- the plurality of rolls may be two facing rolls (roll A, roll B), or may include one or several additional rolls (roll C) as shown in FIG. 2 .
- a solution containing the organic matter, inorganic matter or salt thereof (indicated as PTX Sol. in FIG. Marked as Sucrose Sol.) may be introduced to the side of the second roll facing the first roll.
- the distance between the two facing rolls may be set to 0.5 to 1000 ⁇ m.
- the gap between the two facing rolls may be set to, for example, 0.5 ⁇ m or more, 1 ⁇ m or more, 2 ⁇ m or more, 3 ⁇ m or more, 4 ⁇ m or more, 5 ⁇ m or more, 1000 ⁇ m or less, 900 ⁇ m or less, It may be set to 800 ⁇ m or less, 700 ⁇ m or less, 600 ⁇ m or less, or 500 ⁇ m or less, preferably 5 to 500 ⁇ m.
- the gap between the two facing rolls is less than 0.5 ⁇ m, the discharge amount between the rolls is too small, resulting in a problem of production speed, and if it is greater than 1000 ⁇ m, the shear stress or compressive stress is too small, so the formation of particles is not easy. .
- the two facing rolls may be rotated at different speeds.
- the rotational speed of any one of the two facing rolls is 50 to 150 rpm, and the rotational speed of the other may be 200 to 500 rpm.
- the rotation speed of each of the two facing rolls may be rotated at a ratio of 1:1.5 to 1:5.
- the rotation direction of the two facing rolls may be set to a co-current direction having the same rotation direction, and the rotation directions are mutually It can also be set to other counter-current directions.
- the apparatus for producing a molecular assembly according to an embodiment of the present invention may repeatedly apply shear stress or compressive stress to the contents discharged once several times.
- the apparatus for preparing the molecular assembly may further include a third roll for applying shear stress to the solutions passing between the first and second rolls.
- the third roll may apply shear stress between the second roll and the gap between the facing second roll and the third roll may be set to 0.5 to 1000 ⁇ m.
- the gap between the two facing rolls may be set to, for example, 0.5 ⁇ m or more, 1 ⁇ m or more, 2 ⁇ m or more, 3 ⁇ m or more, 4 ⁇ m or more, 5 ⁇ m or more, 1000 ⁇ m or less, 900 ⁇ m or less, It may be set to 800 ⁇ m or less, 700 ⁇ m or less, 600 ⁇ m or less, or 500 ⁇ m or less, preferably 5 to 500 ⁇ m.
- the distance between the second and third rolls is less than 0.5 ⁇ m, the amount of discharge between the rolls is too small, resulting in a problem in production speed, and if it is greater than 1000 ⁇ m, the shear stress or compressive stress is too small, so the formation of particles is not easy.
- the second roll and the third roll may be rotated at different speeds.
- the rotational speed of any one of the second roll and the third roll may be 200 to 500 rpm, and the rotational speed of the other may be 600 to 1200 rpm.
- the rotation speed of the second roll and the third roll may be rotated at a ratio of 1:1.5 to 1:5.
- the device for producing the molecular association is not limited to the above method, and any device capable of applying shear stress to organic materials, inorganic materials, or salts thereof can be freely deformed.
- the present inventors dissolved drug molecules in the form of organic, inorganic, or salts thereof in a solvent and brought the molecules very close to each other to form molecular associations by interacting with the polar groups in the molecules, making them look like a single entity. The behavioral phenomenon was confirmed.
- the nanomolecular assembly produced by the apparatus mentioned in this specification has the following characteristics.
- the nanomolecular assembly according to the present invention applies shear stress to a solution containing an organic material, an inorganic material, or a salt thereof, which is a precursor of the molecular assembly, so that the distance between the molecules of the organic material, inorganic material, or salt thereof is very close.
- the molecular assembly As the molecular assembly is prepared, it has the characteristics of being amorphous while having a nanoparticle size. That is, by applying shear stress between molecules of the same structure, they become a nano-sized amorphous molecular assembly physically bonded to each other.
- the molecular assemblage and the precursor of the molecular assemblage, an organic substance, an inorganic substance, or a salt thereof measured by chromatography are the same, and spectroscopy of the molecular assemblage and the pharmacologically active ingredient as a precursor of the molecular assemblage
- the measured values by (Spectroscopy) have different characteristics.
- determining the structure of a material include methods through various instrumental analyzes such as elemental analysis, FT-IR, NMR, UV spectroscopy, X-ray, and differential scanning calorimeter (DSC).
- NMR and FT-IR are the analytical methods that best show the chemical structure, that is, the atoms constituting the molecule and their connections.
- X-ray or DSC is a method widely used to investigate secondary structures such as crystal structures formed by molecules, such as crystal structures.
- the microstructure is analyzed using a scanning electron microscope or a transmission electron microscope.
- NMR can determine the electronic environment of an atomic nucleus determined by the electronic structure of a molecule.
- the result of the present invention relates to a method for preparing a certain compound and its physical structure, and NMR provides very useful information as a method of finding out that there is no chemical change in the process of forming a physical structure.
- a compound and its physical structure basically have similar NMR spectra.
- NOE Nuclear Overhauser Effect
- two-dimensional NOESY spectrum two-dimensional NOESY spectrum.
- the distance between molecules of the molecular assembly may be 10 ⁇ or less.
- the distance between molecules means measuring the average distance of these molecules based on the molecules constituting the molecular association, and can be measured, for example, using NOE of NMR.
- NOE Nuclear Overhauser Effect
- NOE Nuclear Overhauser Effect
- FIGS. 3 and 4 NOESY, a two-dimensional NOE spectrum for NaDC molecules and molecular associations thereof, is shown, respectively. Parts marked with * and ** in FIGS. 3 and 4 indicate the same positions. It can be seen that off-diagonal peaks do not appear in the regions marked with *,** in the NaDC molecule itself in Figure 3, whereas off-diagonal peaks appear in the regions marked with *,** in the molecular association of NaDC in Figure 4. . This indicates that the distance between the two nuclei was far from each other in pure NaDC, but the distance between the two nuclei became closer as the molecular association was formed. Through this, it can be seen that when the molecular association is formed, the distance between the molecules becomes very close. In general, since it is known that the distance required for two hydrogens to exhibit NOE is physically about 6 ⁇ (Angstrom), the distance between molecules forming the molecular association of the present invention is also within the range of about 6 ⁇ (Angstrom). can
- the reason why peaks that do not appear far from the molecules themselves appear in the nanomolecular aggregates provided in the present invention is due to the change in the physical position of molecules of organic, inorganic or salts thereof bound to the nanomolecular aggregates. That is, it means that the distance between molecules in the molecular association is very close.
- the peak position in the NMR spectrum means a frequency that rotates according to the magnitude of a magnetic field applied to an atomic nucleus in a molecule composed of atomic bonds.
- the magnitude of the magnetic field applied to the nucleus varies depending on the nature of the surrounding functional groups pushing and pulling electrons. As a result, as the strength of the magnetic field applied to the nucleus increases, it moves to a higher frequency. If the intensity of is weakened, the rotation frequency of the nucleus is reduced in a lower direction.
- the density of the electron cloud of the atomic nucleus changes depending on the distance between the molecules with strong interactions.
- the magnitude of the magnetic field is locally changed by the ring current, so that the number of revolutions of the nucleus is changed.
- the molecular assembly prepared according to the present invention is physically bonded by the interaction between molecules even without a separate binder or additive, and may be substantially composed of organic or inorganic materials.
- Structures of strongly polar molecules can interact such as hydrogen bonds, polar interactions, or pi-pi stacking, and these interactions cause changes in the position and intensity of peaks in the FT-IR spectrum. do. Therefore, even in the same molecular combination, the position and intensity of peaks may change depending on the surrounding environment. That is, if the FT-IR spectrum is the same, it can be seen that it is the same molecule. In particular, between 400 cm -1 and 700 cm -1 is called a fingerprint zone, and if peaks are the same between this zone, they are regarded as the same compound.
- the present invention it is an object of the present invention to form a compound into a structure of a molecular association, which is a physical association.
- a molecular association which is a physical association
- the distance between molecules in the association exists very close to within about 10 ⁇ or within 5 ⁇ .
- bonds in molecules are excited by infrared rays
- compound bonds in molecular associations undergo molecular motion of stretching or bending. It has been found that the molecular associations of the present invention are accompanied by various changes, such as disappearance, change in peak position or decrease or increase in intensity of peaks.
- the nanomolecular assembly prepared according to the present invention and the organic or inorganic material that is the precursor of the nanomolecular assembly have the same chemical structure as described above.
- the measured value by the chromatography may be a result value measured by HPLC (high-performance liquid chromatography), and the organic or inorganic material and its molecular association, which are the results provided by the present invention, have peaks at almost the same position, and about 10 It is observed to have a retention time within % (i.e. ⁇ 5%).
- peaks appearing within 10% of the time can be determined as the same material.
- the nanomolecular assembly and the organic or inorganic material that is the precursor of the nanomolecular assembly have different physical structures, in the NMR spectrum, most of the peaks of the two target materials are similar, or some may be changed, , in the FT-IR image, various types of changes such as generation and disappearance of peaks and changes in peak intensity may appear.
- the nanomolecular aggregate and the organic or inorganic material that is a precursor of the nanomolecular aggregate have the same chemical structure, the values measured by chromatography may be the same.
- the NMR measurement of the nanomolecular aggregate and organic or inorganic substances that are precursors of the nanomolecular aggregate is not particularly limited, but can be measured using, for example, a Bruker 400 MHz Avance.
- the FT-IR measurement of the nanomolecular aggregate and the organic or inorganic material that is the precursor of the nanomolecular aggregate is not particularly limited, but can be measured using, for example, Bruker Alpha 2 ATR.
- Another molecular association derived from a drug molecule according to the present invention is obtained by applying shear stress to a solution containing an organic or inorganic salt as a precursor of the nanomolecular association to physically bind the organic or inorganic salt. It is characterized by producing a structured nanomolecular assembly.
- the molecular assembly prepared in this way is a molecular assembly in which a pharmacologically active ingredient and a water-soluble compound are combined, and a molecular assembly in which an organic or inorganic salt, which is a precursor of the nanomolecular assembly, and a salt of the organic or inorganic substance are combined.
- the values measured by chromatography are the same, and the measured values by spectroscopy of the organic or inorganic salt, which is a precursor of the nanomolecular association, and the molecular association to which the organic or inorganic salt are bonded are different. can be characterized.
- the values measured by chromatography and the values measured by spectroscopy are the same as those mentioned above.
- binder or additive are physically bonded by intermolecular interactions, and may be substantially composed of organic or inorganic salts.
- the organic or inorganic salt may be used as a pharmacologically active ingredient, and the above-mentioned organic or inorganic salt may be used.
- the NMR spectrum shows two target substances. Most of the peaks are similar, some of them can be changed, and various types of changes such as generation and disappearance of peaks and changes in peak intensity can appear in the FT-IR image.
- the resultant value measured by FT-IR of the organic or inorganic salt, which is a precursor of the nanomolecular association, and the molecular association to which the organic or inorganic salt is bonded one or more peaks are generated or disappeared If it is, it can be determined that it is different, and specifically, the result value measured by FT-IR of the organic or inorganic salt, which is a precursor of the nanomolecular association, and the molecular association to which the organic or inorganic salt is bonded can be compared. When one or more peaks differ by 5 cm -1 or more, it can be determined that they are different.
- the organic or inorganic salt, which is the precursor of the nanomolecular association, and the molecular association to which the organic or inorganic salt are bonded have the same chemical structure, values measured by chromatography may be the same. Specifically, if the result value measured by HPLC of the organic or inorganic salt, which is the precursor of the nanomolecular assembly, and the molecular assembly to which the organic or inorganic salt is bonded has a retention time of less than 10%, it is judged to be the same. can do.
- the nanomolecular aggregate according to the present invention has a very small particle size and may have an average particle diameter of 50 nm or less, preferably 30 nm or less, more preferably 20 nm or less, and very preferably 15 nm or less. It may be nm or less, and most preferably 10 nm or less or 5 nm or less.
- the average particle diameter can be measured through a diffraction experiment, preferably using Small Angle Neutron Scattering (SANS). Also, images can be measured using Transmission Electron Microscopy. When the average particle diameter of the nanomolecular aggregate exceeds 50 nm, there are problems in dispersibility, transparency and transmittance.
- the lower limit of the average particle diameter of the nanomolecular aggregate is not particularly limited, but may be about 1 nm or more.
- NaDC sodium Deoxycholate, Xian Lipa Biotech, China
- 19.8 mg was dissolved in 10 mL of water to prepare a NaDC aqueous solution with a concentration of about 0.2%.
- the prepared NaDC solution was introduced between rolls A and B at an input rate of 50 ml/min.
- the rotation speed of the roll A was adjusted to 100 rpm
- the rotation speed of the roll B was adjusted to 300 rpm
- the distance between the rolls A and B was set to 10 ⁇ m.
- NaDC powder was obtained through the same process as in Example 1, except that the roll process for making the NaDC aqueous solution and preparing the molecular assembly thereof was not performed.
- Sunitinib-malate (SUNITINIB MALATE, TEVA) was dissolved in 100 mL of ethanol to prepare a Sunitinib solution with a concentration of about 0.5%.
- molecular associations were prepared by introducing them into a roll device. At this time, the introduction rate of each solution was 50 ml/min.
- the rotation speed of the roll A was adjusted to 100 rpm
- the rotation speed of the roll B was adjusted to 300 rpm
- the distance between the rolls A and B was set to 10 ⁇ m.
- the aqueous solution recovered through the roll mill was frozen at -50 ° C and operated for 48 hours at 0.1 bar, -70 ° C temperature and pressure through a lyophilizer to remove water to obtain "Sunitinib/Maleate Molecular Association" was obtained in powder form.
- Sunitinib maleate powder was obtained through the same process as in Example 2, except that the roll process of making an aqueous solution of Sunitinib maleate and preparing its molecular association was not performed.
- Samples were prepared in the same manner as in Example 2, except that the distance between the rolls A and B was set to 90 ⁇ m.
- Samples were prepared in the same manner as in Example 2, except that niclosamide was used instead of Sunitinib-malate (SUNITINIB MALATE, TEVA) and the distance between rolls A and B was set to 90 ⁇ m.
- niclosamide was used instead of Sunitinib-malate (SUNITINIB MALATE, TEVA) and the distance between rolls A and B was set to 90 ⁇ m.
- Samples were prepared in the same manner as in Example 2, except that the distance between the rolls A and B was set to 110 ⁇ m.
- Samples were prepared in the same manner as in Example 4, except that the distance between the rolls A and B was set to 110 ⁇ m.
- DCF-DA (2',7'-Dichlorofluorescin diacetate, Sigma-Aldrich) was dissolved in 10 mL of water to prepare a NaDC aqueous solution with a concentration of about 0.2%.
- the prepared DCF-DA solution was introduced between rolls A and B at an input rate of 50 ml/min.
- the rotation speed of the roll A was adjusted to 100 rpm
- the rotation speed of the roll B was adjusted to 300 rpm
- the distance between the rolls A and B was set to 10 ⁇ m.
- DCF-DA powder was obtained through the same process as in Example 5, except that the roll process of making an aqueous solution of DCF-DA and preparing a molecular assembly thereof was not performed.
- a molecular assembly was prepared in the same manner as in Example 1, except that cyclosporine A was used instead of NaDC.
- An API was obtained in the same process as in Example 6, except that the roll process of making cyclosporine A in an aqueous solution and preparing its molecular association was not performed.
- NMR Nuclear Magnetic Resonance; Bruker 400 MHz Avance
- FT-IR Fullier-transform infrared spectroscopy
- FIG. 5 shows the H-NMR spectrum of NaDC (pure compound, Comparative Example 1), a pharmacologically active ingredient that is a precursor of the molecular association of the present invention, and the bottom of FIG.
- T2 spin-spin relaxation time
- Example 6 shows the FT-IR spectra of the two materials. Comparing the spectrum of pure NaDC (Comparative Example 1), shown in blue, with the spectrum of the molecular association of Example 1 prepared by the production method of the present invention, shown in red, a characteristic new peak can be found. .
- the four peaks appearing at 600 cm -1 705 cm -1 , 820 cm -1 , and 1150 cm -1 mean that a new molecular motion mode was created in addition to the existing stretching and bending motions as molecular associations were formed.
- spectroscopy such as NMR or FT-IR for the nanomolecular assembly prepared by the production method of the present invention and the pharmacologically active ingredient that is a precursor of the nanomolecular assembly
- the result values measured by (Spectroscopy) analysis were different from each other, and it was determined that the difference in these result values was due to the difference in physical structure of both materials. Specifically, when comparing result values measured by NMR, it is judged to be different if the peak position changes, and when comparing result values measured by FT-IR, it is judged to be different when one or more peaks are created or disappeared. At this time, it was found that the difference in the resulting values was caused by the difference in the physical structure of the two materials.
- the nanomolecular aggregate prepared by the production method of the present invention and the pharmacologically active ingredient, which is a precursor of the nanomolecular aggregate were analyzed by chromatography (spectroscopy) such as HPLC.
- chromatography spectroscopy
- the result values measured by the analysis were identical to each other, and it was determined that these results were due to the same chemical structure of both materials.
- the molecular assemblage prepared by the production method of the present invention has new characteristics of having the same chemical structure as the pharmacologically active substance that is the precursor of the molecular assemblage but different physical structures of the molecules.
- the H-NMR spectrum of the salt of Sunitinib/Maleate and the H-NMR spectrum of the molecular association prepared in the present invention are shown in FIG. 8 .
- the spectrum shown above is the H-NMR of the salt-forming mixture of Sunitinib and Maleate
- the H-NMR spectrum shown below is the molecular association of the physically bonded two compounds prepared through the present invention.
- This is the H-NMR spectrum.
- the areas where changes occur are marked with * and **, and as molecular associations are formed, the distance between the molecules becomes very close, and these close molecules cause changes in the environment of each other's nucleus, and this causes the NMR peak It is evidence that the change is close enough to be observed.
- FIG. 9 the FT-IR spectrum of the salt of Sunitinib/Maleate and the FT-IR spectrum of the molecular association prepared in the present invention are shown in FIG. 9 .
- a change much more severe than that of the NMR spectrum is observed. This is because, as described above, the mode of stretching and bending of molecules is not only different in the excited energy of the motion mode due to the formation of molecular associations, but also the creation and disappearance of peaks, the movement of positions and their intensity due to constraints. can know
- spectroscopy such as NMR or FT-IR for the nanomolecular assembly prepared by the production method of the present invention and the pharmacologically active ingredient that is a precursor of the nanomolecular assembly
- the result values measured by (Spectroscopy) analysis were different from each other, and it was determined that the difference in these result values was due to the difference in physical structure of both materials.
- result values measured by NMR if the peak position changes, it is determined that the result values measured by spectroscopic analysis are different from each other, and when comparing result values measured by FT-IR, When one or more peaks are created or disappeared, it can be determined that the result values measured by spectroscopic analysis are different from each other.
- FT-IR When one or more peaks are created or disappeared, it can be determined that the result values measured by spectroscopic analysis are different from each other.
- the nanomolecular aggregate prepared by the production method of the present invention and the pharmacologically active ingredient, which is a precursor of the nanomolecular aggregate were analyzed by chromatography such as HPLC.
- the result values measured by the analysis were identical to each other, and it was determined that these results were due to the same chemical structure of both materials.
- Comparative Example 3 and Comparative Example 1 show almost similar spectral results according to FT-IR, and when the distance between the two roll mills is adjusted to exceed 100 ⁇ m, the molecular assembly according to the present invention It was found that it was not manufactured. Conversely, in the case of Example 3, as the distance between the two roll mills was adjusted to 100 ⁇ m or less, it was found that a new structure having a different physical structure, that is, the molecular assembly according to the present invention was prepared.
- Comparative Example 4 and Comparative Example 1 also showed almost similar spectral results according to FT-IR, so that the distance between the two roll mills exceeded 100 ⁇ m regardless of the type of pharmacologically active ingredient. It was found that when it was, the molecular association according to the present invention could not be produced. Conversely, in the case of Example 4, as the distance between the two roll mills was adjusted to 100 ⁇ m or less, it was found that a new structure having a different physical structure, that is, the molecular assembly according to the present invention was prepared.
- the molecular assembly according to the present invention is not produced, and when it is adjusted to 100 ⁇ m or less, the present invention It was found that the molecular association according to was prepared.
- the molecular aggregate of niclosamaide prepared in Example 4 was photographed by TEM (FEI's Tecnai G2 Spirit Twin) and shown in FIG. 13.
- the eccentricity measured using the transmission electron microscope image had an average value of about 0.85, and the distribution existed between 0.48 and 1.0.
- the minimum and maximum sizes were about 2.5 nm and 7.7 nm, respectively, and the average size was about 4.8 nm.
- Example 2 After the powder form of "Sunitinib/Maleate molecular association" prepared in Example 2 was prepared as a 0.05% aqueous solution, the changes in pH, particle size, content% and concentration were measured under the following conditions for 6 months, It is shown in Table 2 below.
- a 0.5 mL sample was taken and analyzed once. Using a 1 mL pipette, 0.5 mL of sample was put so that the pH meter sensor was completely covered, and the pH was measured.
- the average particle size of the molecular aggregate prepared in Example 2 was 2.2 nm, and the PDI was 1. In addition, it was found that the stability was maintained by seeing that the pH, content and particle size were maintained for 6 months.
- Example 6 of the present invention prepared using cyclosporine A and cyclosporine A itself of Comparative Example 6 are compared and shown in FIG. 14 .
- the API cyclosporine A itself of Comparative Example 6 before the process Unlike existing as a crystal form (sharp peak on the left), the molecular assembly of Example 6 of the present invention after the process changes to an amorphous form as the physical structure changes (amorphous on the left). peak) can be seen.
- the peak may change as the size of the internal lattice changes, but this also only changes from the existing crystal form to another crystal form, as in the present invention. It does not change to an amorphous form.
- Example 2 of the present invention prepared using sunitinib/malate salt as API and Comparative Example 2 are compared and shown in FIG. 15.
- Example 6 of the present invention prepared using cyclosporine A as API and Comparative Example 6, which is cyclosporine A itself, are shown in FIG. 16 .
- the solvent the solvent used in the present invention is water or ethanol
- the DSC measurement result DATA shown in FIG. 16, such a peak does not appear at all.
- the difference between the measured value by spectroscopy of the molecular assembly of the present application and the pharmacologically active ingredient, which is a precursor of the nanomolecular assembly, is due to a change in physical structure, not a change caused by sorbation.
- the molecular association of the present application is a molecular association structure of API
- a TEM photograph was taken of the molecular association of Example 2 prepared using First
- a TEM photograph of the molecular association of Example 6 prepared using cyclosporine A as API was taken and shown in FIG. 17 .
- the molecular structure according to the present invention is a structure in which several APIs are physically bonded. there is.
- Example 2 prepared using sunitinib/malate salt was taken and shown in FIG. 18 .
- the molecular assembly according to the present invention has a structure in which several APIs are physically bonded.
- the structure in which the API is physically bonded could not be confirmed at all.
- the structure according to the present invention is a molecular association structure in which a plurality of APIs are physically bonded.
- DCF-DA molecular assembly in powder form prepared in Example 5 was compared with the DCF-DA itself in Comparative Example 5.
- Suspended cells (MV-4-11 human macrophage) were grown in dishes to fill up to 50%.
- DCF-DA of Comparative Example 5 was dissolved in ethanol, and the DCF-DA molecular assembly of Example 5 was treated with the same concentration of 0.005% in distilled water on cells for 30 minutes, and then PBS (phosphate buffer solution) was used as a buffer solution. The cells were washed with water to remove extracellular DCF-DA and to stop the entry by diffusion.
- PBS phosphate buffer solution
- a corneal permeation test was performed on the Sunitinib-malate molecular association in the form of powder prepared in Example 2 and the Sunitinib-malate itself in Comparative Example 2.
- the corneal permeation experiment is already published paper "Lee et. al , "Modulating the Transport Characteristics of Bruch's Membrane With Steroidal Glycosides and its Relevance to Age-Related Macular Degeneration (AMD). Invest. Ophthalmol. Vis. Sci. 2015 , 56 , 8403., 2015".
- the cell for permeation experiment was self-manufactured as shown in FIG. It is composed of a donor chamber to administer the drug, a receiver chamber, and a membrane through which the drug permeates.
- the drug is injected into the donor chamber of the wuxing chamber, and the corneal part of the pig eye is 8mm thick.
- the membrane After removing other tissues attached to the cornea, the membrane is fixed in place, and the solution that permeates the membrane is received in the receiving chamber. At this time, the temperature at which diffusion occurs is set to 37 ° C, which is close to human body temperature. After a certain amount of time passed, the concentration of the solution in each supply chamber and the receiving chamber was measured, and the physical properties of diffusion of each sample could be identified. The concentration of each sample after 18 hours was shown in the table below 1. The concentration was measured using a UV/VIS spectrum (Thermo, Evolution201 UV/Vis) and a peak height of 420 nm.
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Abstract
Description
Temperature | 25 ℃ | Duration Used | 25 S |
Count rate | 202.5 Kcps | Measurement (set) | 4.65 |
Cell Description | Disposable sizing cuvette | Attenuator | 10 |
구분 |
적합
기준 |
Sample#: SUT2111JY130 | ||||||
0주차 | 1주차 | 2주차 | 4주차 | 2개월 | 5 개월 | 6개월 | ||
pH | - | 6.20 | 6.18 | 6.23 | 6.22 | 6.15 | 6.20 | 6.20 |
입자사이즈 | - | 2.23 nm ± 0.53 (PDI 0.52) |
2.65 nm ± 0.71 (PDI 0.29) |
2.18 nm ± 0.41 (PDI 0.70) |
2.46 nm ± 0.16 (PDI 0.71) |
3.14 nm ± 0.73 (PDI 0.20) |
2.86 nm ± 1.52 (PDI 0.19) |
3.26 nm ± 0.78 (PDI 0.14) |
함량 (%) | 95.0 ~ 115.0 % | 109.52 | 108.45 | 109.90 | 110.78 | 110.75 | 110.84 | 110.08 |
Initial drug load (μg) | Drug in corneal tissue (μg, Mean±SD) |
Drug in receiver (μg, Mean±SD) |
Transport percentage* (%, Mean±SD) |
|
비교예 2 | 540 | 65.7 ± 7.5 | 8.8 ± 5.8 | 1.6 ± 1.1 |
실시예 2 | 490 | 70.2 ± 10.7 | 27.8 ± 2.9 | 5.7 ± 0.6*** |
Claims (26)
- 유기물 또는 무기물이 물리적으로 결합된 분자 회합체로서,상기 분자 회합체에 물을 포함하는 조성물로 형성되는 경우, 상기 조성물 중에서 상기 분자 회합체는 응집된 구조를 가지고,상기 분자 회합체의 평균 입경은 50nm 이하인,무정형(amorphous)의 나노 분자 회합체.
- 제1항에 있어서,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 HPLC(high-performance liquid chromatography) 결과값이 동일하고,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 NMR 또는 FT-IR의 방법으로 측정된 결과값이 상이한 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 HPLC로 측정된 결과값이 10% 이내의 retention time을 가지는 경우 동일한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 NMR로 측정된 결과값을 비교할 때, 피크 위치가 변화하는 경우 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제4항에 있어서,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 NMR로 측정된 결과값을 비교할 때, 1HNMR 기준으로 peak의 이동이 0.005ppm 이상인 경우, 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 FT-IR로 측정된 결과값을 비교할 때, 1개 이상의 피크가 생성 또는 소멸되는 경우, 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 유기물 또는 무기물 자체와 상기 분자 회합체 자체의 FT-IR로 측정된 결과값을 비교할 때, 한 개 이상의 피크 위치가 5cm-1 이상 달라지는 경우, 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 유기물 또는 무기물은 스포린A, 파클리탁셀, 도세탁셀, 데커신, 멜록시캄, 이트라코나졸, 셀레콕시브, 카페시타빈, 트라보, 프로스트, 이소플라본, 디클로페낙나트륨, 수니티닙, 파조파닙, 액시티닙, 레고라페닙, 트라메티닙, 진세노사이드 Rg1, 타클로리무스, 알렌드로네이트, 라타노프로스트, 비마토프로스트, 아토바스타틴 칼슘, 로슈바스타틴 칼슘, 엔테카비어, 암포테리신B, 오메가 3, 데옥시콜린산, 우루소데옥시콜린산, 데옥시콜린산의 소듐 또는 포타슘염, 우루소데옥시콜린산의 소듐 또는 포타슘염, 프레디메솔론, 유칼립투스유, 라벤더유, 레몬유, 산달우드유, 로즈마리유, 카모마일유, 신나몬유, 오렌지유, 알파비사보롤, 비타민A(레티놀), 비타민E, 토코페릴 아세테이트 및 비타민D, 비타민F 또는 이들의 유도체로 이루어지는 군에서 선택되는 어느 하나 이상의 약리학적 활성 성분인 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 분자 회합체는 분자간의 거리가 10Å 이하인 것을 특징으로 하는 나노 분자 회합체.
- 제1항에 있어서,상기 분자 회합체는 유기물 또는 무기물로 이루어진 것을 특징으로 하는 나노 분자 회합체.
- 유기물 또는 무기물의 염이 물리적으로 결합된 분자 회합체로서,상기 분자 회합체에 물을 포함하는 조성물로 형성되는 경우, 상기 조성물 중에서 상기 분자 회합체는 응집된 구조를 가지고,상기 분자 회합체의 평균 입경은 50nm 이하인,무정형(amorphous)의 나노 분자 회합체.
- 제11항에 있어서,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 HPLC(high-performance liquid chromatography) 결과값이 동일하고,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 NMR 또는 FT-IR의 방법으로 측정된 결과값이 상이한 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 HPLC로 측정된 결과값이 10% 이내의 retention time을 가지는 경우 동일한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 NMR로 측정된 결과값을 비교할 때, 피크 위치가 변화하는 경우 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제14항에 있어서,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 NMR로 측정된 결과값을 비교할 때, 1HNMR 기준으로 peak의 이동이 0.005ppm 이상인 경우, 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 FT-IR로 측정된 결과값을 비교할 때, 1개 이상의 피크가 생성 또는 소멸되는 경우, 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 유기물 또는 무기물의 염 자체와 상기 분자 회합체 자체의 FT-IR로 측정된 결과값을 비교할 때, 한 개 이상의 피크 위치가 5cm-1 이상 달라지는 경우, 상이한 것으로 판단하는 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 유기물 또는 무기물의 염은 스포린A, 파클리탁셀, 도세탁셀, 데커신, 멜록시캄, 이트라코나졸, 셀레콕시브, 카페시타빈, 트라보, 프로스트, 이소플라본, 디클로페낙나트륨, 수니티닙, 파조파닙, 액시티닙, 레고라페닙, 트라메티닙, 진세노사이드 Rg1, 타클로리무스, 알렌드로네이트, 라타노프로스트, 비마토프로스트, 아토바스타틴 칼슘, 로슈바스타틴 칼슘, 엔테카비어, 암포테리신B, 오메가 3, 데옥시콜린산, 우루소데옥시콜린산, 데옥시콜린산의 소듐 또는 포타슘염, 우루소데옥시콜린산의 소듐 또는 포타슘염, 프레디메솔론, 유칼립투스유, 라벤더유, 레몬유, 산달우드유, 로즈마리유, 카모마일유, 신나몬유, 오렌지유, 알파비사보롤, 비타민A(레티놀), 비타민E, 토코페릴 아세테이트 및 비타민D, 비타민F 또는 이들의 유도체로 이루어지는 군에서 선택되는 어느 하나 이상의 유기물 또는 무기물의 염인 약리학적 활성 성분인 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 분자 회합체는 분자간의 거리가 10Å 이하인 것을 특징으로 하는 나노 분자 회합체.
- 제11항에 있어서,상기 분자 회합체는 유기물 또는 무기물의 염으로 이루어진 것을 특징으로 하는 나노 분자 회합체.
- 유기물, 무기물 또는 이들의 염; 및 물;을 포함하는 조성물을 전단응력을 가할 수 있는 장치 내에 투입한 후,상기 조성물에 전단응력을 가하여, 유기물, 무기물 또는 이들의 염들이 물리적으로 결합된 분자 회합체를 제조하는, 제1항 또는 제10항의 나노 분자 회합체를 제조하는 방법.
- 제21항에 있어서,상기 장치는 유기물, 무기물 또는 이들의 염이 포함된 용액에 전단응력을 가할 수 있도록 복수의 롤을 구비하고,상기 유기물, 무기물 또는 이들의 염이 포함된 용액을 장치 내의 마주보는 2개의 롤 사이에 투입한 후,상기 유기물, 무기물 또는 이들의 염이 포함된 용액에 전단응력을 가하는 것을 특징으로 하는, 나노 분자 회합체를 제조하는 방법.
- 제22항에 있어서,상기 마주보는 2개의 롤 사이의 간격은 0.5 내지 1000㎛인 것을 특징으로 하는, 나노 분자 회합체를 제조하는 방법.
- 제23항에 있어서,상기 마주보는 2개의 롤은 서로 다른 속도로 회전하는 것을 특징으로 하는, 나노 분자 회합체를 제조하는 방법.
- 제24항에 있어서,상기 마주보는 2개의 롤 중 어느 하나의 회전속도는 50 내지 250rpm이고, 다른 하나의 회전속도는 200 내지 500rpm인 것을 특징으로 하는, 나노 분자 회합체를 제조하는 방법.
- 제21항에 있어서,상기 유기물, 무기물은 스포린A, 파클리탁셀, 도세탁셀, 데커신, 멜록시캄, 이트라코나졸, 셀레콕시브, 카페시타빈, 트라보, 프로스트, 이소플라본, 디클로페낙나트륨, 수니티닙, 파조파닙, 액시티닙, 레고라페닙, 트라메티닙, 진세노사이드 Rg1, 타클로리무스, 알렌드로네이트, 라타노프로스트, 비마토프로스트, 아토바스타틴 칼슘, 로슈바스타틴 칼슘, 엔테카비어, 암포테리신B, 오메가 3, 데옥시콜린산, 우루소데옥시콜린산, 데옥시콜린산의 소듐 또는 포타슘염, 우루소데옥시콜린산의 소듐 또는 포타슘염, 프레디메솔론, 유칼립투스유, 라벤더유, 레몬유, 산달우드유, 로즈마리유, 카모마일유, 신나몬유, 오렌지유, 알파비사보롤, 비타민A(레티놀), 비타민E, 토코페릴 아세테이트 및 비타민D, 비타민F 또는 이들의 유도체로 이루어지는 군에서 선택되는 어느 하나 이상의 약리학적 활성 성분인 것을 특징으로 하는, 나노 분자 회합체를 제조하는 방법.
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HIROKAZU MATSUNAGA, ET AL: "Solid-state characterization of candesartan cilexetil (TCV-116): crystal structure and molecular mobility", CHEMICAL AND PHARMACEUTICAL BULLETIN, PHARMACEUTICAL SOCIETY OF JAPAN, JP, vol. 47, no. 2, 1 February 1999 (1999-02-01), JP , pages 182 - 186, XP002957606, ISSN: 0009-2363 * |
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