WO2008041514A1 - 放射線または抗がん化学療法増感剤 - Google Patents
放射線または抗がん化学療法増感剤 Download PDFInfo
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- WO2008041514A1 WO2008041514A1 PCT/JP2007/068376 JP2007068376W WO2008041514A1 WO 2008041514 A1 WO2008041514 A1 WO 2008041514A1 JP 2007068376 W JP2007068376 W JP 2007068376W WO 2008041514 A1 WO2008041514 A1 WO 2008041514A1
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- radiation
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Classifications
-
- 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
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0009—Galenical forms characterised by the drug release technique; Application systems commanded by energy involving or responsive to electricity, magnetism or acoustic waves; Galenical aspects of sonophoresis, iontophoresis, electroporation or electroosmosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/726—Glycosaminoglycans, i.e. mucopolysaccharides
- A61K31/728—Hyaluronic acid
-
- 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
- A61K33/40—Peroxides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
- A61K41/0038—Radiosensitizing, i.e. administration of pharmaceutical agents that enhance the effect of radiotherapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
-
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- 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
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
Definitions
- the present invention relates to a radiation or anticancer chemotherapy sensitizer, in particular, radiation or anticancer chemistry used by applying or injecting to a tumor site prior to irradiation or anticancer chemotherapy (anticancer agent administration). It relates to therapeutic sensitizers (injection compositions for radiation or chemotherapy sensitization). The present invention also relates to an anti-cancer therapy using force, radiation, or an anti-cancer chemotherapy sensitizer.
- Radiation therapy is the next method after surgical operation as a local treatment for malignant tumors. It can be applied to elderly patients, and normal organs and tissues can be preserved. It is a treatment method.
- high-energy X-rays and electron beams produced by linear accelerators that are currently widely used for radiotherapy are low LET (li near energy transfer) radiations, and their biological effects are relatively low. Therefore, the effects of radiation therapy with linear accelerators are poor for tumors such as malignant melanoma, various sarcomas, and glioblastoma multiforme! /.
- locally advanced cancer that has increased to several centimeters or more has a low number of hypoxic tumor cells and is highly resistant to radiotherapy because it contains a large amount of antioxidant enzymes, so the effect of radiation therapy with a linear accelerator is poor.
- the present inventor has already used a radiation resistant osteosarcoma cell line (HS-Os-1), It has been confirmed that by adding a low concentration of hydrogen peroxide to the culture medium at the time of irradiation, the radiation effect is sensitized and apoptosis can be easily induced. Normally, these radiation-resistant osteosarcoma cells and chondrocytes undergo little oxidative damage to DNA even when irradiated with 30 Gy. In contrast, when irradiated in the presence of low concentrations of hydrogen peroxide (eg, O.lmM), significant active oxygen production occurs in the cells and induces apoptosis with irradiation of about 10 Gy. Can be made.
- HS-Os-1 radiation resistant osteosarcoma cell line
- antioxidant enzymes peroxidase, catalase
- Hydrogen peroxide is thought to inhibit the action of the antioxidant enzyme.
- the action of antioxidant enzymes is blocked, oxygen is generated, and radiation-resistant hypoxic cells are oxygenated, resulting in conversion to radiation-sensitive (for example, see Non-Patent Documents 4-6).
- Non-patent document 1 Cnapman JD, vVnitmore G eds): hemical modiners of cancer treat ment. Int J Radiat Oncol Biol Phys 10: 1161-1813, 1984.
- Non-Patent Document 2 Coleman CN .: Hypoxic cell radiosensitizers: Expectations andprogres s in drug development. Int J Radiat Oncol Biol Phys 11: 323-329, 1985.
- Non-Patent Document 3 Radiobiology for the Radiologist (Sixth Edition) by Eric J. Hall and Am ato J. Giaccia, Lippincott Williams & Wilkins, 419-431, 2006
- Non-Patent Document 4 Yasuhiro Ogawa et. Al.,: Mechanism of apoptotic resistance of human osteosarcoma cell line, HS_Os_l, against irradiation. International Journal of Molecular Medicine 12: 453-458, 2003
- Non-Patent Literature 5 Yasuhiro Ogawa et. Al. of Molecular Medicine 12: 845-850, 2003
- Non-Patent Document 6 Yasuhiro Ogawa et. Al.,: Immunocytochemical characteristics of human osteosarcoma cell line HS_Os_l: Possible implication in apoptotic resistance again st irradiation. Disclosure of the invention
- hydrogen peroxide water or hydrogen peroxide diluted with distilled water is highly irritating, and it is preferable to apply it directly or in large quantities to the affected area irradiated with radiation. It is contraindicated in areas where hydrogen peroxide solution may penetrate into the body cavity. Hydrogen peroxide is unstable and has the property of releasing oxygen as soon as it is applied to the affected area. If it is injected directly into a tissue such as the subcutaneous or tumor of a human body, it may be peroxidase or catalase. It can be rapidly decomposed into water and oxygen by the action of antioxidant enzymes such as pulmonary embolism. For this reason, it is safe to apply hydrogen peroxide for stimulating hydrogen peroxide, and it can be safely injected into the human body, and it can be safely injected into the human body. Ingenuity is necessary.
- the present invention reduces radiation irritation to the affected area of hydrogen peroxide, is safe even when injected into the human body, and delays the decomposition of hydrogen peroxide to prevent radiosensitization and anticancer chemotherapy.
- the purpose is to provide a radiosensitizer or a pile cancer chemotherapy sensitizer that has been devised to effectively exert a sensitizing effect.
- the present invention has been completed on the basis of force and knowledge, and is characterized by having the following configuration.
- a radiation or pile cancer chemotherapy sensitizer comprising a combination of (a) hydrogen peroxide and (b) hyaluronic acid or a salt thereof.
- the component (a) and the component (b) have the form of a compounding agent in which the components are mixed and adjusted in advance.
- (1-3) The radiation or pile cancer chemotherapy sensitizer described in (1-1) having a form in which component (a) and component (b) are mixed and adjusted at the time of use.
- the form includes a kit having a preparation containing at least ⁇ hydrogen peroxide and (b) a preparation containing hyaluronic acid or a salt thereof.
- a radiation treatment comprising the step of treating the affected area with radiation or an anti-cancer chemotherapy sensitizer described in any of (1-1) to (1-6) Or anti-cancer chemotherapy sensitization method.
- (II-2) The sensitizing method according to ( ⁇ -1), wherein the tumor is a radiation therapy-resistant or pile cancer chemotherapy-resistant tumor.
- (II-4) The sensitizing method according to (II-1) to (II-3), in which the radiation irradiation is X-ray or electron beam irradiation by a linear accelerator.
- Anticancer chemotherapy power S ( ⁇ -1) to ( ⁇ -3)! /, which is the administration of an anticancer drug to a patient, or a sensitization method described in any one of them .
- (III-2) Sensitized radiotherapy or sensitized anticancer chemotherapy according to ( ⁇ -1), wherein the tumor is a tumor resistant to radiotherapy or anticancer chemotherapy.
- (III-4) The above-mentioned radiation irradiation is X-ray or electron beam irradiation by a linear accelerator. ( ⁇ -1) to ( ⁇ -3)! Sensitized anticancer chemotherapy.
- the anti-cancer chemotherapy is administration of an anti-cancer agent to a patient (! -1) to (! -3)! / Sensitized anticancer chemotherapy.
- V-1 A method for alleviating pain in a tumor affected part of a radiation or anticancer chemotherapy sensitizer characterized by combining (a) hydrogen peroxide with (b) hyaluronic acid or a salt thereof. The invention's effect
- the radiosensitizer of the present invention and the sensitized radiotherapy using the same, it is low in cancer resistant to radiotherapy because it contains a lot of hypoxic cells. An excellent radiotherapy effect can be obtained by LET radiation.
- the pile cancer chemotherapy sensitizer of the present invention inactivates the antioxidant enzyme at the tumor local area, the effect of anticancer chemotherapy (anticancer drug treatment) can also be enhanced. Therefore, according to the sensitized anti-cancer chemical therapy of the present invention in which the anti-cancer chemotherapy sensitizer of the present invention is used in combination with the anti-cancer chemotherapy, the cancer refractory to anti-cancer chemotherapy is However, the ability S to obtain an excellent anticancer treatment effect can be obtained.
- the radiation or anticancer chemotherapy sensitizer of the present invention is characterized by comprising (a) hydrogen peroxide in combination with (b) hyaluronic acid or a salt thereof.
- the radiation sensitizer and stake cancer chemotherapy sensitizer are pharmaceutical compositions used in the tumor affected area in advance or at the time of radiation therapy (radiation irradiation) and anticancer chemotherapy.
- radiation therapy radiation irradiation
- anticancer chemotherapy anticancer chemotherapy
- anticancer chemotherapy means all cancer treatments with anticancer agents (anticancer agents).
- the effect of radiation therapy with a linear accelerator on cancer cells depends on the production of active oxygen such as hydroxyl radicals by about 70%! /. This point is in common with the mechanism of action of various anticancer drugs (anticancer drugs). Therefore, substances that sensitize the therapeutic effects of radiation will also sensitize the effects of anticancer chemotherapy.
- the hyaluronic acid used in the present invention may be extracted from animal tissue or fermented. It doesn't question the origin even if it is manufactured by law. Preferably, it is produced by a fermentation method from the viewpoint of safety and production stability.
- the strain used in the fermentation method is not particularly limited.
- FM-100 Myeken Yone No. 9027
- Streptococcus ekui FM-300 Myeken Yone No. 2319
- hyaluronic acid having various molecular weights has been conventionally known. Although not limited, in the present invention, for example, hyanoleronic acid having a molecular weight of about 500,000 to 10 million, preferably about 500,000 to 8 million, more preferably about 500,000 to 5 million is used as the weight average molecular weight. Can be used.
- the weight average molecular weight of hyaluronic acid can be measured by a SEC-MALLS method using a multi-angle light scattering detector (MALLS) as a detector in a size exclusion chromatogram (SEC) (for example, C. Yomota, Bull. Natl. Inst. Health ScL, 121, 030-033 (2003)).
- MALLS multi-angle light scattering detector
- SEC size exclusion chromatogram
- the hyaluronic acid targeted by the present invention may be a crosslinked hyaluronic acid.
- the crosslinked hyaluronic acid is a polymer having a three-dimensional network structure, and is gelled when swollen in a medium. That is, cross-linked hyaluronic acid swells in a physiologically acceptable medium and has a hydrogel form.
- One example of the crosslinked hyaluronic acid is a crosslinked hyaluronic acid formed from hyaluronic acid having a weight average primary molecular weight of more than 800,000.
- a crosslinked hyaluronic acid is characterized in that a linear hyaluronic acid having a weight average molecular weight of more than 800,000 is formed when the crosslinking point of the crosslinked hyaluronic acid is cut.
- the weight average molecular weight and the degree of branching of hyaluronic acid produced by cutting the cross-linking point were determined by using a differential refractometer and a multi-angle laser light scattering detector (MALLS) as detectors in the gel permission matrix (GPC). It can be easily measured by GPC—MALLS (Multi-angle Light Scattering).
- MALLS multi-angle laser light scattering detector
- the crosslinked hyaluronic acid used in the present invention may have hydrolyzable crosslinking points.
- “the cross-linking point is hydrolyzable” means that the cross-linking point is decomposed in preference to the main chain decomposition of hyaluronic acid under physiological conditions, for example, 37 ° C, pH 7.4. It has the property to do.
- the hydrolytic structure is superior to the main chain decomposition of hyaluronic acid! /, And the bridge structure includes force rubamate bond, hydrazone bond, hydrazide bond and phosphate ester bond. An ester bond.
- Cross-linked hyaluronic acid having a cross-linked structure of an ester bond includes polyhydric alcohol and ester of carboxyl group of hyaluronic acid, ester of polyvalent carboxylic acid and hydroxyl group of hyaluronic acid, polyhydric epoxy compound and hyaluronic acid And carboxyl group esters.
- crosslinked hyaluronic acid crosslinked hyaluronic acid in which the carboxyl group and hydroxyl group of hyaluronic acid are directly ester-bonded (this is called ⁇ bridged ester having self-crosslinked ester bond '' or ⁇ self-crosslinked ester-bonded hyaluronic acid! /, U).
- the self-crosslinking ester-bonded hyaluronic acid can be produced by a conventionally known method.
- a self-crosslinked ester-linked hyaluronic acid in which some or all of the carboxyl groups are esterified with the same polysaccharide chain or an alcohol group of another polysaccharide chain can be produced according to the description in EP034174 5B1, and WO99 / In 10385, a method for preparing a self-crosslinking ester-bonded hyaluronic acid by adjusting the aqueous solution of hyaluronic acid to acidity, freezing the aqueous solution, and then thawing at least once is also described in WO01 / 5 7093. Describes a method for preparing self-crosslinked ester-bonded hyaluronic acid by mixing hyaluronic acid and an acidic solution so that the concentration becomes 5% or higher without freezing and maintaining the coexistence state.
- Such self-cross-linked ester-bonded hyaluronic acid is safer than cross-linked hyaluronic acid produced by another cross-linking reaction because natural hyaluronic acid released by hydrolysis is metabolized by a physiological metabolic pathway. Is considered high.
- Examples of the crosslinked hyaluronic acid include hyaluronic acid in which the carboxyl group of hyaluronic acid is the same as the hydroxyl group of the hyaluronic acid molecule and / or the hydroxyl group of another hyaluronic acid molecule by an ester bond. (For example, see JP-A-2003-252905).
- the degree of crosslinking of the crosslinked hyaluronic acid for example, the amount of intermolecular ester bond to be introduced is It can be arbitrarily controlled in accordance with the purpose of use and required characteristics of ronic acid.
- the ester bond amount can be defined as a ratio to the total number of carboxyl groups in hyaluronic acid.
- hyaluronic acid is preferably used as an aqueous solution or a water-swelling gel.
- hyaluronic acid When hyaluronic acid is used in the form of an aqueous solution, there is no limitation, but it is preferable to use bridged hyaluronic acid having an intermolecular ester bond content of less than 0.5%. Further, when hyaluronic acid is used in the state of a water-swelled gel, it is not limited, but it is preferable to use crosslinked hyaluronic acid having an intermolecular ester bond amount of about 0.5% to 1%. The molecular structure of crosslinked hyaluronic acid can be confirmed using NMR (Carbohydr. Res. Vol 245, pl 13-128, 1993, Macromolecules Vol 29, p2894-2902, 1996).
- Cross-linked hyaluronic acid can be prepared, for example, by adjusting an aqueous solution of hyaluronic acid to acidity and dissociating it to convert it into an acid form.
- the acid treatment of the hyaluronic acid aqueous solution causes a deacetylation reaction of N-acetylyl-D-darcosamine units under high temperature conditions and competes with the crosslinking reaction (see JP-A-1-266102), so the reaction temperature is lowered. It is preferable to carry out.
- the reaction temperature giving priority to the formation of crosslinks is preferably room temperature or lower, and more preferably 10 ° C or lower.
- the concentration of hyaluronic acid in the reaction solution is preferably 5% by weight or more, more preferably 10% by weight or more.
- a substance that catalyzes the dehydration condensation reaction can be added to the reaction system.
- an acidic catalyst is generally used, and sulfuric acid, hydrochloric acid, aromatic sulfonic acid derivatives, etc. can be used.
- crosslinked hyaluronic acid When forming crosslinked hyaluronic acid, a material excellent in biocompatibility like hyaluronic acid, for example, chondroitin sulfate, carboxymethyl cellulose, etc. may be mixed and combined to form crosslinked hyaluronic acid. Moreover, when forming a crosslinked hyaluronic acid, a pharmaceutically or physiologically active substance can be added to form a crosslinked hyaluronic acid containing them.
- the crosslinked hyaluronic acid thus obtained is then used to adjust the acidity. It can be used for the operation of removing the minute.
- the aqueous solvent is not particularly limited as long as it does not impair the function of the bridge hyaluronic acid.
- water, physiological saline, phosphate buffer and the like are used.
- physiological saline is used.
- phosphate buffer solution is possible to use.
- acid-type carboxylate groups remain in the washed cross-linked hyaluronic acid, it can be converted into a salt form such as sodium form (salt).
- the chlorination method is not limited, but the ability to adjust the pH of the crosslinked hyaluronic acid aqueous solution to about 7 with an aqueous sodium hydroxide solution, and the method of immersing the crosslinked hyaluronic acid in physiological saline or phosphate buffered physiological saline. It can be illustrated.
- the cross-linked hyaluronic acid thus prepared can be used in the form of the radiosensitizer or pile according to the present invention in a solution, a state immersed in a solvent, or a wet state containing a solvent, depending on the purpose of use. It can be used as a material for chemotherapy sensitizers (hereinafter collectively referred to simply as “sensitizers”).
- Cross-linked hyaluronic acid swells into a gel in a physiologically acceptable medium.
- the sensitizer of the present invention has the form of an injection
- the crosslinked hyaluronic acid (gel) is added to the suspension in order to inject into the tumor affected area where anti-cancer chemotherapy is performed by irradiation through the injection needle. And must be dispersed in a physiologically acceptable medium.
- the suspension can be prepared by crushing the crosslinked hyaluronic acid using a crusher such as a mixer or a homogenizer at any stage of the production process or the purification process.
- the particle size of the hydrogel particles of cross-linked hyaluronic acid can be adjusted arbitrarily.
- the cross-linked hyaluronic acid is dispersed in a physically acceptable medium and then treated with a homogenizer, it is usually about 0.05 to 2 m. The dispersed particle diameter can be easily adjusted.
- the equilibrium swelling ratio of the crosslinked hyaluronic acid gel can be arbitrarily adjusted by the degree of crosslinking of the crosslinked hyaluronic acid. For example, if the equilibrium swelling ratio is 100 times, the hyaluronic acid concentration in the physiologically acceptable medium is 1%. When the equilibrium swelling ratio is 10 times, the hyaluronic acid concentration in the physiologically acceptable medium is 10%.
- the hyaluronic acid may be either normal hyaluronic acid (non-crosslinked type) or a crosslinked hyaluronic acid (crosslinked hyaluronic acid) as described above. These can also be used in any combination. Moreover, the use of a single form or a single molecular weight may be used, and different cross-linked hyaluronic acids or different molecular weight hyaluronic acids may be mixed and used.
- hyaluronic acid (used in the concept including crosslinked hyaluronic acid) can be used in the form of a salt.
- the salt of hyaluronic acid is not limited, but alkali metal salts such as sodium, potassium and lithium can be preferably exemplified.
- it is a sodium salt of hyaluronic acid.
- the proportion of hyaluronic acid or a salt thereof contained in the sensitizer (final preparation) of the present invention is not limited, but can be appropriately selected from the range of 0.;! To 10% by weight. It is preferably 0.1 to 5% by weight, more preferably 0.;! To 3% by weight.
- the sensitizer of the present invention may use at least one selected from the group consisting of ribosomes, polymer gels, and gelatin instead of or in combination with the hyaluronic acid or a salt thereof. it can.
- the ribosome refers to a multilayer capsule structure made of phospholipids. Preferably, it is a hollow ribosome.
- a radiosensitizer or anticancer chemotherapy sensitizer having the form of a phosphosome preparation with hydrogen peroxide water sealed inside a membrane of phospholipid fine particles.
- a ribosome preparation can be easily prepared by adding a hydrogen peroxide solution to a hollow ribosome (for example, the temperature is about 16 to 40 ° C.) and gently stirring by hand for 3 to 5 times.
- Ribosomes can be obtained commercially, and examples thereof include EVTRASOME (trademark) series (Nippon Yushi Co., Ltd.) and coatsome EL series (Funakoshi Co., Ltd.).
- the ratio of the ribosome contained in the sensitizer (final preparation) of the present invention is not limited, but can be appropriately selected from the range of 0.01 to 10% by weight.
- the polymer gel is described in Haaga JR et al. (Combined tumor therapy by using radio frequency ablation and 5-FU-laden polymer implants: evaluation in rats and rabibits. Radiology 237: 911-918, 2005). Can be used polymer gel
- the ratio of the polymer gel contained in the sensitizer (final preparation) of the present invention is not limited. 1S 0.01 ⁇ ; can be appropriately selected from the range of 10% by weight.
- Gelatin is not particularly limited, but is not particularly limited as long as it can be applied to the human body such as pharmaceutical, cosmetic and edible. Preferred is gelatin for pharmaceutical use as defined by the pharmacopoeia. These gelatins are widely available commercially. For example, porous gelatin (trade name: Genrepert, Astellas Pharma Inc.) sold as a prosthetic material for promoting endovascular embolization can be exemplified.
- the ratio of gelatin contained in the sensitizer (final formulation) of the present invention is not limited,
- the sensitizer of the present invention comprises at least one of the aforementioned components (also referred to as "(b) component” in the present invention) and hydrogen peroxide ("(a) component in the present invention”). It is characterized by combining “!” And “!”. A combination of hyaluronic acid or a salt thereof (component (b)) and hydrogen peroxide (component (a)) is preferred.
- the preparation containing the component (a) and the preparation containing the component (b) exist in separate packaging forms and are sold as a combination (kit), or
- the preparation containing the component (a) and the preparation containing the component (b) are present in separate packaging forms and on the market through separate distribution channels and used in combination at the time of use. Used to mean. That is, in the present invention, the “radiosensitizer or anticancer chemotherapy sensitizer combined” refers to the radiosensitizer or the pile cancer chemotherapy sensitizer at the time of final use (in the present invention, this ) And the component (b) are both included! /, It should be! /, And the form in the distribution stage including sales is not particularly questioned. Les.
- the proportion of hydrogen peroxide used as the component (a) in the radiosensitizer or anticancer chemotherapy sensitizer of the present invention is not limited, but the amount contained in the final preparation is 0.0; ⁇ 3.
- It can be appropriately selected from a range of 5% by weight. Preferably it is 0.05-3 weight%, More preferably, it is 0.;!-2 weight%.
- hyaluronic acid or a salt thereof is limited.
- hyaluronic acid or a salt thereof (as a total amount) can be selected from a range of 1 to 10,000 parts by weight with respect to 100 parts by weight of hydrogen peroxide.
- the mixing ratio of ribosome, polymer gel or gelatin to hydrogen peroxide is not particularly limited, and can be adjusted according to the above-mentioned examples of hyaluronic acid or a salt thereof.
- ribosome in the case of ribosome, it can be selected from the range of 1 to 10000 parts by weight of ribosome with respect to 100 parts by weight of hydrogen peroxide. Preferably 10 to 1000 parts by weight, more preferably 50 to 150 parts by weight.
- gelatin it can be selected from the range of 1 to 10000 parts by weight of gelatin per 100 parts by weight of hydrogen peroxide. Preferably it is 10-1000 weight part, More preferably, it is 50-500 weight part.
- the sensitizer of the present invention includes, in addition to the above components (a) and (b), physiologically acceptable physiological saline, phosphate buffer, etc. (for example, sodium chloride, phosphorus Sodium oxyhydrogen phosphate, sodium dihydrogen phosphate, etc.).
- physiologically acceptable physiological saline for example, sodium chloride, phosphorus Sodium oxyhydrogen phosphate, sodium dihydrogen phosphate, etc.
- the sensitizer of the present invention is not particularly limited as long as it is compatible with the human body, but it is preferably adjusted in the range of ⁇ 6 to 8.5. More preferably, it is in the range of ⁇ 6.8 to 7.8.
- the sensitizer of the present invention has a liquid form (including a solution, an emulsion, and a suspension) or a gel form, and as long as it is used, the form of use (usage) is not particularly limited.
- the sensitizer of the present invention is a liquid or gel external preparation, for example, a method of directly spraying, applying or sticking to a tumor affected area irradiated prior to irradiation;
- the force S can be cited as a method of impregnating and applying this to the tumor affected part irradiated during irradiation.
- the sensitizer of the present invention is a liquid or gel injection
- a force for directly injecting into a tumor affected part irradiated by radiation at the time of radiation irradiation using a syringe or an angiographic catheter is used.
- the method of injecting through can be mentioned.
- the injection is preferably performed with a syringe or the like using a 21-gauge needle while confirming the penetration of the sensitizer into the tissue under the guidance of ultrasonic examination.
- the dose of the sensitizer to the tumor affected area varies depending on the size of the target tumor and the administration method.
- the dose is usually about 1 l (injection volume).
- About 5 ml, preferably about 3 ml can be mentioned.
- the form of the radiosensitizer or anticancer chemotherapy sensitizer of the present invention is preferably in the form of an injection (radiation sensitizing injection or pile cancer chemotherapy sensitizing injection).
- an injection prepare an aqueous solution using water for injection (distilled water for injection, sterile water for injection, etc.), tonicity agent, pH adjuster, buffer solution, etc., and add (a) component and (b) It can be prepared by adding and blending the component in the above range, filling the container and sealing it, and then sterilizing it by high pressure steam sterilization, hot water immersion sterilization, etc. .
- the preparation containing component (a) and the preparation containing component (b) are mixed and mixed as necessary with water for injection (distilled water for injection, sterile water for injection, etc.). (Prepared preparation at the time of use).
- Examples of isotonic agents include sodium chloride, glycerin, glucose, polyethylene glycol, propylene glycol, D-mannitol, fructose, xylitol, sodium dihydrogen phosphate, sodium phosphate, and the like, preferably sodium chloride Is used.
- Examples of the pH adjuster include hydrochloric acid, sodium hydroxide and the like, and as described above, the pH is adjusted in the range of 6 to 8.5, preferably adjusted to pH 6.8 to 7.8.
- Examples of the buffer used for maintaining the pH include phosphate buffer, Tris buffer, and acetate buffer. Preferably, a phosphate buffer is used.
- the radiosensitizer of the present invention is used for a tumor affected part irradiated with radiation prior to irradiation during radiation therapy.
- it can be used for radiotherapy for radioresistant tumors.
- examples of the radiation resistant tumor include a plurality of hypoxic tumor cells, a tumor in a state, and a tumor rich in antioxidant enzymes.
- Many force- and radiation-resistant tumor tissues are present in hypoxic sites and are resistant to radiotherapy.
- the resistance of these cells to radiation Anti-oxidation means that, in hypoxic conditions, DNA fixation induced by radiation does not cause fixation by oxygen, and furthermore, the antioxidant enzyme eliminates reactive oxygen species produced in tumor cells by radiation. It is said that apoptosis is difficult to induce.
- radioresistant tumors include malignant melanoma, malignant glioblastoma, various sarcomas including osteosarcoma, and almost all locally advanced cancers that have grown to several centimeters or more. Can be mentioned.
- the affected part is preferably irradiated with X-rays using a linear accelerator. It can implement by performing electron beam irradiation.
- the conditions of X-ray irradiation vary depending on the degree and size of the tumor, etc. Normal once dose 1.5 to 3 Gy, preferably about 2 Gy, 2 to 5 times a week, preferably 4 to 5 weeks The method can be performed for about 1 to 5 weeks.
- the total dose is 20 to 70 Gy, preferably about 40 to 70 Gy, more preferably about 50 to 60 Gy.
- the conditions of electron beam irradiation also vary depending on the degree of progression and size of the tumor. Normally 1 line dose 2 to 5 Gy, preferably about 4 Gy, week;! To 5 times, preferably 2 to 3 times a week The method can be performed over 1 to 5 weeks.
- the total dose is 30 to 70 Gy, preferably about 40 to 60 Gy.
- the pile cancer chemotherapy sensitizer of the present invention is used for the affected tumor site (preferably injection administration) prior to the pile cancer chemotherapy (pile cancer drug administration). ).
- it can be used for tumors where anticancer chemotherapy is difficult to treat and relatively large tumors.
- many solid tumors such as gastric cancer, non-small cell lung cancer, colon, rectal cancer, liver cancer, pancreatic cancer, uterine cancer, and esophageal cancer may be resistant to stake cancer chemotherapy. Many.
- these solid tumors are resistant to anticancer chemotherapy for most locally advanced cancers.
- Anticancer chemotherapy using the anticancer chemotherapy sensitizer of the present invention is targeted in parallel with the administration of the anticancer agent (before or after the administration of the pile cancer agent). It can be carried out by applying the anti-cancer chemotherapy sensitizer of the present invention to the tumor affected area.
- the application method of the anticancer chemotherapy sensitizer is preferably a guide in ultrasonic examination as described above. This can be done by injecting an anti-cancer chemotherapy sensitizer into the affected area using a needle or catheter.
- the conditions for injecting the anticancer chemotherapy effect sensitizer are different forces depending on the degree of progression and size of the tumor, etc. Usually 1 ml to 5 ml, preferably 3 ml, 1 to 5 times a month, preferably The method of performing about once or twice every other week can be mentioned.
- Hyaluronic acid preparation with 1% sodium hyaluronate concentration (trade name “ARTZ Dispo”, manufactured by Seikagaku Corporation) [1 syringe (2.5 ml) contains 25 mg sodium hyaluronate In addition, 2.5 mg of L-methionine, sodium chloride, sodium hydrogen phosphate, crystalline sodium dihydrogen phosphate, isotonic agent.
- the radiosensitizer or the anti-cancer chemotherapy sensitizer is the hyaluronic acid preparation (trade name “ARTZ Dispo”, manufactured by Seikagaku Corporation) used in Formulation Example 1 and peroxide. It can be prepared using hydrogen.
- FIG. 1 shows the effect of sensitized radiotherapy using hydrogen peroxide.
- RT Pre_radiotherapy
- Figure D 3 months after RT
- Figure A is an image showing the right chest to right neck of the patient
- Figure B is an image showing a coronal image of the region by CT (combinator tomography)
- Figure C PET-CT shows the patient front view.
- PET-CT image the red-shaded area of the right armpit and right neck is the lesion (the brain is usually the area where PET drugs accumulate).
- Figure 4A shows CT of the cervix before radiation treatment
- Figure C shows CT under the right arm before radiation treatment.
- Radiation treatment with a linear accelerator X-ray including both cervical and right-handed side, is planned with a radiation treatment planning device (Pinnacle 3), and a single dose with a uniform dose distribution with four tangential non-facing irradiations 2. 75Gy, total 48.5Gy irradiation.
- the right column (Figs. B and D) in Fig. 4 shows CT at the time of 7 irradiations (total dose 19.25 Gy).
- sensitization with radiosensitizers was performed only on the right side and not on the right neck.
- the right-sided tumor was injected with a radiosensitizer (3 ml) and then irradiated with radiation (3 times sensitized radiotherapy twice a week).
- the right cervical tumor was irradiated without injecting a radiosensitizer (radiation therapy was performed 3 times at a rate of 2 times a week).
- Figure B shows the right cervical CT at 19.25 Gy
- C shows the right side CT at 19.25 Gy.
- Fig. B there was no change in the right cervical lymphadenopathy that was irradiated without radiosensitizer injection.
- the CT value before treatment was about 65, but it decreased to about 24 when 25 Gy was applied.
- the image power is necrotic (Fig. 4D).
- a remarkable radiosensitizing effect can be obtained by using the radiosensitizer of the present invention in combination with radiotherapy.
- PET-CT images of each patient before and after sensitized anticancer chemotherapy are shown in Figs. 5 and 6, respectively.
- the left side of each figure is the PET-CT image before sensitized anticancer chemotherapy, and the right side is the PET-CT image after sensitized anticancer chemotherapy.
- the tumor (cancer) formed in the breast disappeared by the sensitized anticancer chemotherapy of the present invention.
- FIG. 1 is a graph showing the effect of sensitizing radiation therapy for malignant melanoma performed in Reference Example 1.
- Upper left figure (A) is an image showing the affected area of malignant melanoma before radiation treatment
- upper right figure (B) is an image showing the affected area of malignant melanoma at the end of sensitizing radiation irradiation (48Gy)
- lower left figure (C ) Is an image showing the affected area of malignant melanoma 2 weeks after the end of sensitizing radiotherapy
- (D) in the lower right is an image showing the affected area of malignant melanoma 3 months after the end of sensitizing radiotherapy.
- FIG. 2 shows the effect of sensitized radiotherapy on malignant fibrous histiocytoma performed in Example 2.
- the upper left figure (A) is an image showing the blood flow signal in the tumor when malignant fibrous histiocytoma is irradiated without irradiation with a radiosensitizer (total dose 24 Gy), and the upper right figure ( B) and lower left figure (C) are tumors when the histiocytoma was injected with a radiosensitizer and irradiated (upper right figure (B): total dose 36 Gy, lower left figure (C): total dose 48 Gy)
- the lower right figure (D) shows the blood flow signal in the tumor one week after the end of radiation therapy.
- FIG. 3 is a diagram showing an example of using a radiosensitizer in Example 3.
- the left figure (A) is an image showing the right chest to the right neck of the patient
- the upper right figure (B) is an image showing a coronal image of the area by CT (computed tomography)
- the lower right figure (C) shows the frontal view of the patient on PET-CT.
- FIG. 4 is a graph showing the effect of sensitized radiotherapy performed in Example 3.
- the upper left figure (A) shows the CT image of the cervix before radiation treatment, and the lower left figure (C) shows the CT image under the right arm before radiation treatment. Show.
- the upper right figure (B) shows a CT image at the time of seven irradiations (total dose 19.25 Gy) without injecting the radiosensitizer into the neck.
- the lower right figure (D) shows the right A CT image is shown when a radiation sensitizer is injected aside and irradiation is performed 7 times (total dose 19.25 Gy).
- FIG. 5 is a graph showing the effect of sensitized anticancer chemotherapy performed in Example 4.
- the left figure shows a CT image before sensitized anticancer chemotherapy, and the right figure shows a CT image after sensitized anticancer chemotherapy.
- 6] It is a figure showing the effect of sensitized anticancer chemotherapy performed in Example 4.
- the left figure shows a CT image before sensitized anticancer chemotherapy, and the right figure shows a CT image after sensitized anticancer chemotherapy.
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Abstract
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Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
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JP2008537457A JP5207247B2 (ja) | 2006-09-22 | 2007-09-21 | 放射線または抗がん化学療法増感剤 |
US12/311,185 US10219997B2 (en) | 2006-09-22 | 2007-09-21 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
EP07807718.7A EP2078528B1 (en) | 2006-09-22 | 2007-09-21 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
CN2007800433472A CN101583366B (zh) | 2006-09-22 | 2007-09-21 | 放射增敏剂或抗癌化学疗法增敏剂 |
AU2007303523A AU2007303523B2 (en) | 2006-09-22 | 2007-09-21 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
CA2664158A CA2664158C (en) | 2006-09-22 | 2007-09-21 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
US16/244,015 US10758477B2 (en) | 2006-09-22 | 2019-01-09 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
US16/412,270 US10512604B2 (en) | 2006-09-22 | 2019-05-14 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
US16/937,295 US20200390687A1 (en) | 2006-09-22 | 2020-07-23 | Radiation sensitizer of anti-cancer chemotherapy sensitizer |
US17/373,711 US20210338570A1 (en) | 2006-09-22 | 2021-07-12 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
US18/406,020 US20240139096A1 (en) | 2006-09-22 | 2024-01-05 | Radiation sensitizer of anti-cancer chemotherapy sensitizer |
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US16/244,015 Division US10758477B2 (en) | 2006-09-22 | 2019-01-09 | Radiation sensitizer or anti-cancer chemotherapy sensitizer |
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EP (1) | EP2078528B1 (ja) |
JP (1) | JP5207247B2 (ja) |
CN (1) | CN101583366B (ja) |
AU (1) | AU2007303523B2 (ja) |
CA (1) | CA2664158C (ja) |
WO (1) | WO2008041514A1 (ja) |
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JP2014079552A (ja) * | 2012-10-16 | 2014-05-08 | Beijing Top Grade-Kang Ming Medical Devices Inc | フィトクロームで過酸化水素の分解を触媒するシリーズ薬物 |
WO2014126222A1 (ja) | 2013-02-15 | 2014-08-21 | 国立大学法人高知大学 | ハイドロゲルを担体として過酸化水素を徐放する腫瘍内局注用の放射線/化学療法増感剤 |
JP6197077B1 (ja) * | 2016-07-14 | 2017-09-13 | クラシエ製薬株式会社 | 抗癌剤、放射線増感剤および食品組成物 |
WO2020100525A1 (ja) | 2018-11-16 | 2020-05-22 | 株式会社Kortuc | 過酸化水素溶液に適したシリンジ及びキット |
JP2020081835A (ja) * | 2018-11-16 | 2020-06-04 | 株式会社Kortuc | 優れた過酸化水素保存性を示すプレフィルドシリンジ |
WO2020203805A1 (ja) | 2019-03-29 | 2020-10-08 | 株式会社Kortuc | シリコーンオイル(を含有するオイル組成物)により優れた過酸化水素保存性を示す過酸化水素溶液プレフィルドシリンジ |
WO2020241823A1 (ja) | 2019-05-31 | 2020-12-03 | 株式会社Kortuc | 放射線又は抗がん化学療法増感剤投与ホルダー |
WO2021256427A1 (ja) * | 2020-06-15 | 2021-12-23 | 株式会社Kortuc | 抗がん療法の増感剤 |
RU2782538C1 (ru) * | 2019-03-29 | 2022-10-28 | Кортук Инк. | Шприц, предварительно заполненный пероксидом водорода, с превосходным сохранением пероксида водорода благодаря силиконовому маслу, входящему в масляную композицию |
WO2023190896A1 (ja) | 2022-03-31 | 2023-10-05 | 合同会社Kortuc Japan | 注射器用封止体 |
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US20180133353A1 (en) * | 2015-05-15 | 2018-05-17 | The Board Of Regents Of The University Of Texas System | Scent control compositions |
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WO2021256427A1 (ja) * | 2020-06-15 | 2021-12-23 | 株式会社Kortuc | 抗がん療法の増感剤 |
WO2023190896A1 (ja) | 2022-03-31 | 2023-10-05 | 合同会社Kortuc Japan | 注射器用封止体 |
WO2024171503A1 (ja) * | 2023-02-17 | 2024-08-22 | 合同会社Kortuc Japan | 腫瘍に対する免疫を賦活させるための医薬組成物及びその方法 |
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US20240139096A1 (en) | 2024-05-02 |
US20210338570A1 (en) | 2021-11-04 |
CA2664158C (en) | 2015-11-24 |
CA2664158A1 (en) | 2008-04-10 |
CN101583366B (zh) | 2013-02-06 |
US20200022906A1 (en) | 2020-01-23 |
US10758477B2 (en) | 2020-09-01 |
JPWO2008041514A1 (ja) | 2010-02-04 |
US20200390687A1 (en) | 2020-12-17 |
AU2007303523A1 (en) | 2008-04-10 |
AU2007303523A2 (en) | 2009-05-28 |
US10219997B2 (en) | 2019-03-05 |
EP2078528A4 (en) | 2011-03-30 |
JP5207247B2 (ja) | 2013-06-12 |
US10512604B2 (en) | 2019-12-24 |
AU2007303523B2 (en) | 2013-05-23 |
EP2078528B1 (en) | 2013-08-14 |
US20190262261A1 (en) | 2019-08-29 |
EP2078528A1 (en) | 2009-07-15 |
CN101583366A (zh) | 2009-11-18 |
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US20100010417A1 (en) | 2010-01-14 |
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