WO2022202477A1 - アントラサイクリン系抗がん剤の副作用の予防剤又は治療剤 - Google Patents
アントラサイクリン系抗がん剤の副作用の予防剤又は治療剤 Download PDFInfo
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- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
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- 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
- A61K31/28—Compounds containing heavy metals
- A61K31/295—Iron group metal compounds
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- 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
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
- A61K31/704—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin
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- 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
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/26—Iron; Compounds thereof
Definitions
- the present invention relates to pharmaceutical compositions for preventing or treating side effects of anthracycline anticancer agents.
- Anthracycline anticancer agents including doxorubicin, are used to treat many cancers, including leukemia, lymphoma, breast cancer, uterine cancer, ovarian cancer, and lung cancer. Side effects of anthracycline anticancer drugs are likely to appear dose-dependently, and if the dose exceeds a certain level, an irreversible myocardial contractile disorder called anthracycline (doxorubicin) cardiomyopathy occurs, and the life prognosis after onset is extremely poor. It is bad. Therefore, the cumulative dose of anthracycline anticancer drugs is strictly limited (500 mg/m 2 or less for doxorubicin) in clinical practice guidelines.
- Dexrazoxane is known as a therapeutic drug for extravasation in intravenous administration of anthracycline anticancer drugs (Non-Patent Document 1).
- dexrazoxane is known as a therapeutic agent for the side effects of anthracycline anticancer agents, but in Japan, its applicable scenes are limited to extravasation of the drug.
- Dexrazoxane is approved as a prophylactic agent for doxorubicin cardiomyopathy in the United States and other overseas countries, but there is concern that dexrazoxane may weaken the antitumor effect of doxorubicin.
- dexrazoxane itself has side effects such as myelosuppression, nausea, fever/pain at the injection site, and vomiting. Currently, the use of dexrazoxane itself is severely restricted.
- an anthracycline anticancer agent in combination with 5-aminolevulinic acids (ALAs)
- ALAs 5-aminolevulinic acids
- the present invention relates to a pharmaceutical composition for reducing toxicity of anthracycline anticancer agents, which contains 5-aminolevulinic acids, derivatives thereof, or salts thereof as active ingredients.
- the pharmaceutical composition further contains an iron compound.
- An embodiment of the present invention is characterized in that the toxicity is a decrease in cardiac function or an increase in lipid peroxide.
- One embodiment of the present invention is characterized in that the pharmaceutical composition is administered orally or intravenously.
- the 5-aminolevulinic acids, derivatives thereof, or salts thereof are prepared to be administered to the subject at a dose of 0.5 mg/kg to 20 mg/kg.
- the pharmaceutical composition is characterized by containing 5 mg to 1500 mg of 5-aminolevulinic acids, derivatives thereof, or salts thereof.
- One embodiment of the present invention is characterized in that the pharmaceutical composition is administered to the subject simultaneously with administration of the anthracycline anticancer agent or 2 hours to 7 days before administration.
- An embodiment of the present invention is characterized in that the pharmaceutical composition is administered to the subject daily for a period of 1 to 15 days before administration of the anthracycline anticancer drug.
- the pharmaceutical composition is administered from at least 3 days (preferably 7 days) before administration of the anthracycline anticancer agent to at least 7 days after administration of the anthracycline anticancer agent. It is characterized in that it is administered to said subject continuously for up to 7 days (preferably 14 days).
- the administration cycle is repeated every 1 to 4 weeks.
- the 5-aminolevulinic acid is a compound represented by the following formula (I) (wherein R 1 represents a hydrogen atom or an acyl group, and R 2 represents a hydrogen atom, a linear or branched alkyl group, a cycloalkyl group, an aryl group, or an aralkyl group) or a pharmacologically acceptable It is characterized by being a salt or ester that is
- the iron compound is ferrous citrate, ferrous sodium citrate, ferrous sodium citrate, ferric ammonium citrate, ferric pyrophosphate, heme iron, dextran iron, lactic acid Iron, Ferrous Gluconate, Iron DTPA, Sodium Diethylenetriaminepentaacetate, Ammonium Ferrous Diethylenetriaminepentacetate, Sodium Ferrous Ethylenediaminetetraacetate, Ammonium Ferrous Ethylenediaminepentaacetate, Iron Triethylenetetraamine, Sodium Ferrous Dicarboxymethylglutamate, Dicarboxy Ammonium methylglutamate ferric ammonium, ferric lactoferrin, ferric transferrin, ferric chloride, ferrous sesquioxide, sodium ferric chlorophyllin, ferric ferritin, ferrous fumarate, ferrous pyrophosphate, saccharified iron oxide, ferric acetate, oxalic acid It is characterized by being one or more iron
- the anthracycline anticancer agent comprises doxorubicin, aclarubicin, pirarubicin, idarubicin, epirubicin, daunorubicin, amrubicin, derivatives thereof, and pharmacologically acceptable salts thereof. It is characterized by being an anticancer agent selected from the group consisting of:
- Another embodiment of the present invention is a pharmaceutical composition for suppressing tumor growth containing an anthracycline anticancer agent as an active ingredient, wherein the pharmaceutical composition comprises 5-aminolevulinic acids or
- the present invention relates to pharmaceutical compositions characterized in that they are used together with derivatives or salts thereof.
- One embodiment of the present invention is characterized in that the 5-aminolevulinic acids, derivatives thereof, or salts thereof are administered to the subject together with an iron compound.
- One embodiment of the present invention is characterized in that the 5-aminolevulinic acids, derivatives thereof, or salts thereof are administered to reduce the toxicity of the anthracycline anticancer drug.
- An embodiment of the present invention is characterized in that the toxicity is a decrease in cardiac function or an increase in lipid peroxide.
- One embodiment of the present invention is characterized in that the 5-aminolevulinic acids, derivatives thereof, or salts thereof are orally administered.
- the therapeutically effective amount of the anthracycline anticancer agent is administered in combination with 0.5 mg/kg to 20 mg/kg of the 5-aminolevulinic acids or derivatives thereof or salts thereof. characterized by
- the 5-aminolevulinic acids or derivatives thereof or salts thereof are administered simultaneously with the administration of the anthracycline anticancer agent or 2 hours to 7 days before the administration.
- the 5-aminolevulinic acids or derivatives thereof or is administered daily.
- the 5-aminolevulinic acids or derivatives thereof or salts thereof are added for at least 3 days (preferably 7 days) before administration of the anthracycline anticancer agent. It is characterized by being continuously administered to the subject for at least 7 days (preferably 14 days) after administration of the anticancer agent.
- the administration cycle is repeated every 1 to 4 weeks.
- Another embodiment of the present invention is a method of reducing the toxicity of an anthracycline anticancer drug in a subject, comprising administering an anthracycline anticancer drug to the subject concurrently or at different times with administration of an anthracycline anticancer drug to the subject.
- a method comprising the step of administering aminolevulinic acids or derivatives thereof or salts thereof.
- Another embodiment of the present invention is a method for suppressing tumor growth in a subject, comprising administering 5-aminolevulinic acids or derivatives thereof or salts thereof and an anthracycline anticancer agent simultaneously or metachronously. It relates to a method comprising administering to said subject.
- 5-Aminolevulinic acid is a natural amino acid that is used as a precursor of heme in the body, and is also used for various purposes such as pharmaceuticals and supplements. Since 5-aminolevulinic acid is a substance whose high safety has been confirmed, it can be used for a wide range of subjects as a prophylactic or therapeutic agent for the side effects of anthracycline anticancer agents.
- FIG. 1 shows that the increase in lipid peroxides caused by doxorubicin was suppressed by administration of 5'ALA.
- FIG. 2 shows that doxorubicin-induced cell death was suppressed by administration of 5'ALA.
- Fig. 3 shows that in an in vivo experimental system, the administration of 5'ALA ameliorated the decrease in left ventricular systolic function indicated by the left ventricular ejection fraction (LVEF) due to the influence of doxorubicin. show.
- FIG. 4 shows that administration of 5'ALA suppressed the increase in lipid peroxide (acrolein, MDA) caused by doxorubicin in an in vivo experimental system.
- FIG. MDA lipid peroxide
- FIG. 5 shows that administration of 5'ALA inhibited cell death due to the effects of various anthracycline anticancer agents.
- FIG. 6 shows that the action of doxorubicin reduces ALAS1, the rate-limiting enzyme in the heme synthesis pathway, in myocardial cells and myocardial tissue.
- FIG. 7 shows that the action of doxorubicin reduces protoporphyrin IX (PpIX), an intermediate metabolite of the heme synthesis pathway, in cardiomyocytes.
- FIG. 8 shows that the action of doxorubicin causes iron overload and impaired heme synthesis in cardiomyocytes, whereas the action of 5'-ALA normalizes the conditions.
- FIG. 1 shows that administration of 5'ALA inhibited cell death due to the effects of various anthracycline anticancer agents.
- FIG. 6 shows that the action of doxorubicin reduces ALAS1, the rate-limiting enzyme in the heme synthesis pathway, in myocardial
- the present invention is based on the discovery that the combined use of anthracycline anticancer agents and 5-aminolevulinic acids (ALAs) can reduce side effects while maintaining the efficacy of anthracycline anticancer agents. That is, the present invention relates to the use of ALA as a prophylactic or therapeutic agent for the side effects of anthracycline anticancer agents, or the combination of anthracycline anticancer agents and ALAs. Alternatively, the invention relates to the use of ALAs in standard treatment regimens with anthracycline anticancer agents.
- ALAs 5-aminolevulinic acids
- the anthracycline anticancer agent and ALAs may be administered to the subject at the same time, or may be administered at different times, but prior to administration of the anthracycline anticancer agent to the subject, It is preferred that the ALAs be administered at the same time.
- ALAs are administered once, for example, ALAs are administered to the subject at the same time as administration of the anthracycline anticancer agent to the subject, or at any timing from 2 hours to 7 days before administration. good.
- the term “simultaneously” does not mean strict synchronism in minutes, but substantial synchronism in consideration of clinical practice (for example, within 2 hours before and after administration of an anthracycline anticancer agent).
- ALAs may be continuously administered to the subject from at least 3 days (preferably 7 days) before the anthracycline anticancer drug.
- ALAs may be further administered to the subject for at least 7 days (preferably 14 days) after administration of the anthracycline anticancer drug.
- the treatment cycle with the combination of the anthracycline anticancer drug and ALAs may be repeated multiple times.
- anthracycline anticancer agents refer to a group of antitumor antibiotics derived from Streptomyces microorganisms, and are also called anthracycline antibiotics.
- Representative anthracycline anticancer agents include doxorubicin, aclarubicin, pirarubicin, idarubicin, epirubicin, daunorubicin, amrubicin and the like, but the anthracycline anticancer agent in the present invention is not limited to these. All agents generally classified as anthracycline anticancer agents may be included.
- the scope of the present invention broadly includes derivatives having the same pharmacological activity as these compounds, formulations of these compounds, and the like.
- the type of cancer to which the present invention is applied is not limited, and may be any type of cancer for which the effects of anthracycline anticancer drugs have been confirmed.
- Specific non-limiting examples include malignant lymphoma, lung cancer, gastrointestinal cancer (stomach cancer, gallbladder cancer, bile duct cancer, pancreatic cancer, hepatocellular carcinoma, colon cancer, etc.), bladder cancer, urinary Road surface cancer, osteosarcoma, breast cancer, endometrial cancer, bone/soft tissue tumor, bone tumor, multiple myeloma, pediatric solid tumor (Ewing sarcoma family tumor, rhabdomyosarcoma, neuroblastoma, retinoblastoma, hepatoblastoma, nephroblastoma, etc.).
- anthracycline anticancer agents include cardiotoxicity (e.g., decreased cardiac function, increased lipid peroxide in myocardial cells or tissue, increased free iron in mitochondria in myocardial cells or tissue) and myelosuppression. etc., the present invention may be applied particularly for the prevention or treatment of cardiotoxicity.
- the route of administration of the anthracycline anticancer drug to the subject is not limited, but may be, for example, the route of administration according to the instructions in the package insert of the drug (eg, intravenous administration).
- the dosage of the anthracycline anticancer agent to the subject is also not limited, and the optimal dosage may be determined by a person skilled in the art (eg, a doctor) according to the treatment stage, symptoms, etc. of the subject.
- ALA means 5-aminolevulinic acid.
- ALA also called ⁇ -aminolevulinic acid, is one of natural amino acids.
- ALA derivatives refer to compounds that are metabolized in vivo to produce PpIX, and can be exemplified by compounds represented by the following formula (I).
- R 1 represents a hydrogen atom or an acyl group
- R 2 represents a hydrogen atom, a linear or branched alkyl group, a cycloalkyl group, an aryl group or an aralkyl group.
- ALA corresponds to the case where R 1 and R 2 are hydrogen atoms.
- the acyl group for R 1 in formula (I) includes linear or branched C 1-8 acyl groups such as formyl, acetyl, propionyl, butyryl, isobutyryl, valeryl, isovaleryl, pivaloyl, hexanoyl, octanoyl, and benzylcarbonyl groups.
- Examples include an alkanoyl group and an aroyl group having 7 to 14 carbon atoms such as benzoyl, 1-naphthoyl and 2-naphthoyl groups.
- the alkyl group for R 2 in formula (I) includes straight-chain or A branched alkyl group having 1 to 8 carbon atoms can be mentioned.
- Cycloalkyl groups for R 2 in formula (I) include saturated or partially unsaturated bonds such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclododecyl and 1-cyclohexenyl groups.
- a cycloalkyl group having 3 to 8 carbon atoms may be mentioned.
- aryl group for R 2 in formula (I) examples include aryl groups having 6 to 14 carbon atoms such as phenyl, naphthyl, anthryl and phenanthryl groups.
- the aryl moiety can be exemplified the same as the above aryl group, and the alkyl moiety can be exemplified the same as the alkyl group.
- benzyl, phenethyl, phenylpropyl, phenyl Examples include aralkyl groups having 7 to 15 carbon atoms such as butyl, benzhydryl, trityl, naphthylmethyl and naphthylethyl groups.
- salts of ALA or derivatives thereof include pharmacologically acceptable acid addition salts, metal salts, ammonium salts, organic amine addition salts, and the like.
- Acid addition salts include inorganic acid salts such as hydrochloride, hydrobromide, hydroiodide, phosphate, nitrate, sulfate, formate, acetate, propionate, and toluenesulfonic acid. salt, succinate, oxalate, lactate, tartrate, glycolate, methanesulfonate, butyrate, valerate, citrate, fumarate, maleate, malate, etc.
- Organic acid addition salts can be exemplified.
- metal salts include alkali metal salts such as lithium salt, sodium salt and potassium salt, alkaline earth metal salts such as magnesium and calcium salts, and metal salts such as aluminum and zinc.
- ammonium salts include alkylammonium salts such as ammonium salts and tetramethylammonium salts.
- organic amine salts include salts such as triethylamine salts, piperidine salts, morpholine salts, and toluidine salts.
- esters of ALAs include, but are not limited to, methyl esters, ethyl esters, propyl esters, butyl esters, pentyl esters, hexyl esters, heptyl esters, and the like.
- the route of administration to subjects is not limited, and various routes of administration can be selected.
- oral administration including sublingual administration, inhalation administration, direct administration to the target tissue or organ using a catheter, intravenous administration including infusion, transdermal administration using patches, etc., suppository, nasogastric tube, nasal administration
- Parenteral administration such as administration by forced enteral nutrition using an intestinal tube, a gastrostomy tube, or an intestinal fistula tube can be mentioned.
- Oral administration can be mentioned as the simplest method of administration.
- a person skilled in the art may determine the optimal dosage of ALAs to a subject according to the treatment stage, symptoms, etc. of the subject. Specifically, 0.1 mg to 1000 mg/day, preferably 0.2 mg to 500 mg/day, 0.3 mg to 250 mg/day, and even more preferably 0.4 mg to 100 mg/day in terms of ALA is used per kg body weight of the subject.
- the dosage may be from 0.5 mg to 20 mg/day, most preferably from 0.5 mg to 20 mg/day.
- ALAs may be applied to the subject together with iron compounds.
- iron compounds include ferrous citrate, sodium ferrous citrate (SFC), sodium ferrous citrate, ferric ammonium citrate, ferric pyrophosphate, heme iron, dextran iron, lactate Iron, Ferrous Gluconate, Iron DTPA, Sodium Diethylenetriaminepentaacetate, Ammonium Ferrous Diethylenetriaminepentacetate, Sodium Ferrous Ethylenediaminetetraacetate, Ammonium Ferrous Ethylenediaminepentaacetate, Iron Triethylenetetraamine, Sodium Ferrous Dicarboxymethylglutamate, Dicarboxy Ammonium methylglutamate ferric ammonium, ferric lactoferrin, ferric transferrin, ferric chloride, ferrous sesquioxide, sodium ferric chlorophyllin, ferric ferritin, ferrous fumarate, ferrous pyrophosphate, saccharified iron oxide, ferric acetate
- SFC sodium ferrous
- Fig. 1 shows the test results.
- the addition of 5'ALA inhibited the increase in lipid peroxides in cardiac cells due to the effects of doxorubicin.
- its inhibitory effect was comparable to that of Fer-1, which is known as a ferroptosis inhibitor.
- Hearts removed from neonatal rats were isolated by trypsin and collagenase treatment and seeded on petri dishes. After culturing for several days, the medium was changed to serum-free medium (DMEM), and 2 ⁇ M (final concentration) of doxorubicin was added to the serum-free medium after 24 hours.
- Aminolevulinic acid (5′ALA, 1 mM) or ferrostatin-1 (Fer-1, 50 ⁇ M) was added 1 hour before doxorubicin addition.
- Cell counting kit-F (Dojindo) was used 24 hours after the addition of doxorubicin, and a cell death evaluation assay was performed based on fluorescence intensity with a plate reader (Varioskan LUX Multimode Microplate Reader). The control group was normalized to 1 and presented as data.
- Fig. 2 shows the test results. As shown in the figure, the addition of 5'ALA inhibited doxorubicin-induced cardiac cell death (ferrotosis). In addition, its inhibitory effect was comparable to that of Fer-1, which is known as a ferroptosis inhibitor.
- Fig. 3 shows the test results. As shown in the figure, pretreatment with 5'ALA significantly ameliorated decreased left ventricular contractility in the doxorubicin cardiomyopathy model.
- Fig. 4 shows the test results. As shown in the figure, pre-administration of 5'ALA significantly suppressed the increase in lipid peroxide (acrolein, MDA) in cardiac cells of the doxorubicin cardiomyopathy model.
- 5'ALA significantly suppressed the increase in lipid peroxide (acrolein, MDA) in cardiac cells of the doxorubicin cardiomyopathy model.
- Cell counting kit-F (Dojindo) was used 26 hours after the addition of doxorubicin, and a cell death evaluation assay was performed by fluorescence intensity measurement with a plate reader (Varioskan LUX Multimode Microplate Reader). The control group was normalized to 1 and presented as data.
- Fig. 5 shows the test results.
- cardiac cell death (ferrotosis) was observed with increasing dose of anticancer drugs in all administration groups.
- pre-administration of 5'ALA inhibited cardiac cell death.
- 5'-ALA (1 mM) was added to rat primary isolated cardiomyocytes, and doxorubicin (2 ⁇ M) was added 1 hour later. Twenty-four hours after the addition of doxorubicin, the cells were collected with PBS, and mitochondria were isolated using a mitochondria isolation kit (P507L, 101 Bio, LLC, Mountain View, CA, USA). Protein was extracted from the isolated mitochondria with RIPA buffer, and mitochondrial heme was measured using QuantiChrom Heme Assay Kit (BioAssay Systems, Hayward, Calif., USA).
- doxorubicin (6 mg/kg/dose) three times through the tail vein on days 0, 2, and 4.
- 5'-ALA was added to the drinking water 3 days before the first dose of doxorubicin (1.875 mg/kg/day, assuming that the amount of drinking water was 4 mL/day per 25 g mouse, 5'-ALA was administered orally at 300 mg/kg/day). mL)).
- the tissue was collected and immediately cryopreserved in liquid nitrogen. Mitochondria were isolated from the collected frozen heart tissues by centrifugation using HES buffer, and proteins were extracted with RIPA buffer.
- doxorubicin (6 mg/kg/dose) three times through the tail vein on days 0, 2, and 4.
- 5'-ALA was added to the drinking water 3 days before the first dose of doxorubicin (1.875 mg/kg/day, assuming that the amount of drinking water was 4 mL/day per 25 g mouse, 5'-ALA was administered orally at 300 mg/kg/day). mL)).
- the tissue was collected and immediately cryopreserved in liquid nitrogen. Mitochondria were isolated from the collected frozen heart tissue by centrifugation using HES buffer.
- Proteins were extracted from the isolated mitochondria with RIPA buffer, and mitochondrial heme was measured using QuantiChrom Heme Assay Kit (BioAssay Systems, Hayward, CA, USA). Five minutes after adding the alkaline solution to the protein extract, the absorbance at 400 nm was measured with a plate reader (Varioskan LUX Multimode Microplate Reader), and the amount of heme was estimated from the calibration curve. The measured amount of heme was corrected by dividing it by the protein concentration of the protein extract.
- EL-4 cells which are mouse malignant lymphoma cells
- 5'-ALA (1 mM) was added, and after 1 hour doxorubicin (1 ⁇ M) was added.
- Cells were collected 24 hours after the addition of doxorubicin, dead cells were stained with Trypan Blue staining, and the number of live cells and dead cells was counted with an automatic cell counter (Countess II FL, Thermo Fisher Scientific). Cell viability was evaluated based on the ratio (%) of the number of viable cells to the total number of cells. The results are shown in FIG. 10A.
- HeLa cells which are human cervical cancer cells
- 5'-ALA (1 mM) was added, and after 1 hour, doxorubici (2 ⁇ M) was added.
- Cell counting kit-F (Dojindo) was used 24 hours after the addition of doxorubicin, and a cell death evaluation assay was performed by fluorescence intensity measurement (ex 490 nm/em 520 nm) with a plate reader (Varioskan LUX Multimode Microplate Reader). Data are presented normalized to 1 for the control group. The results are shown in FIG. 10B.
- EL-4 cells which are mouse malignant lymphoma cells
- HeLa cells which are human cervical cancer cells
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Abstract
Description
同様に、回収した凍結組織からRIPAバッファーを用いて蛋白抽出を行い、抽出したサンプルを用いて、thiobarbituric acid reactive substances (TBARS) assay kit(Cayman Chemical)によるmalondialdehyde (MDA)の測定を行った。BCA法にてそれぞれの蛋白濃度を測定し、MDA濃度を蛋白濃度で補正(nmol/mg protein)し、コントロール群の平均値を1として規格化した。
Claims (28)
- 5-アミノレブリン酸類若しくはその誘導体又はそれらの塩を有効成分として含有する、アントラサイクリン系抗がん剤の毒性を低減するための医薬組成物。
- さらに鉄化合物を含む、請求項1に記載の医薬組成物。
- 前記毒性は、心機能低下又は過酸化脂質の上昇である、請求項1又は2に記載の医薬組成物。
- 経口投与される、請求項1から3のいずれか一項に記載の医薬組成物。
- 前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩が0.5mg/kg~20mg/kgの投与量で前記対象に投与されるように調製された、請求項1から4のいずれか一項に記載の医薬組成物。
- 5mg~1500mgの5-アミノレブリン酸類若しくはその誘導体又はそれらの塩を含有する、請求項1から5のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤の投与と同時に、又は投与の2時間~7日前に前記対象へ投与される、請求項1から6のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤の投与の1日から15日前の期間に渡って、前記対象へ毎日投与される、請求項1から6のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤の投与前の少なくとも3日間(好ましくは7日間)から、前記アントラサイクリン系抗がん剤の投与後少なくとも7日間(好ましくは14日間)まで、連続して前記対象へ投与される、請求項1から6のいずれか一項に記載の医薬組成物。
- 前記の投与サイクルが1週間~4週間毎に繰り返される、請求項9に記載の医薬組成物。
- 前記鉄化合物が、クエン酸第一鉄、クエン酸第一鉄ナトリウム、クエン酸鉄ナトリウム、クエン酸鉄アンモニウム、ピロリン酸第二鉄、ヘム鉄、デキストラン鉄、乳酸鉄、グルコン酸第一鉄、DTPA鉄、ジエチレントリアミン五酢酸鉄ナトリウム、ジエチレントリアミン五酢酸鉄アンモニウム、エチレンジアミン四酢酸鉄ナトリウム、エチレンジアミン五酢酸鉄アンモニウム、トリエチレンテトラアミン鉄、ジカルボキシメチルグルタミン酸鉄ナトリウム、ジカルボキシメチルグルタミン酸アンモニウム鉄アンモニウム、ラクトフェリン鉄、トランスフェリン鉄、塩化第二鉄、三二酸化鉄、鉄クロロフィリンナトリウム、フェリチン鉄、フマル酸第一鉄、ピロリン酸第一鉄、含糖酸化鉄、酢酸鉄、シュウ酸鉄、コハク酸第一鉄、コハク酸クエン酸鉄ナトリウム、硫酸鉄、及び硫化グリシン鉄からなる群より選ばれる1種又は2種以上の鉄化合物である、請求項1から11のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤が、ドキソルビシン、アクラルビシン、ピラルビシン、イダルビシン、エピルビシン、ダウノルビシン、アムルビシン、これらの誘導体、およびこれらの薬理学的に許容される塩、からなる群から選択される抗がん剤である、請求項1から12のいずれか一項に記載の医薬組成物。
- アントラサイクリン系抗がん剤を有効成分として含有する、腫瘍の増殖を抑制するための医薬組成物であって、
前記医薬組成物は、5-アミノレブリン酸類若しくはその誘導体又はそれらの塩とともに用いられることを特徴とする、
医薬組成物。 - 前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩が、鉄化合物とともに前記対象へ投与される、請求項14に記載の医薬組成物。
- 前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩は、前記アントラサイクリン系抗がん剤の毒性を低減するために投与される、請求項14又は15に記載の医薬組成物。
- 前記毒性は、心機能低下又は過酸化脂質の上昇である、請求項14から16のいずれか一項に記載の医薬組成物。
- 前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩が経口投与される、請求項14から17のいずれか一項に記載の医薬組成物。
- 前記治療有効量のアントラサイクリン系抗がん剤が、0.5mg/kg~20mg/kgの前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩と組み合わせて投与される、請求項14から18のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤の投与と同時に、又は投与の2時間~7日前に前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩が投与される、請求項14から19のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤の投与の1日から15日前(好ましくは1日から3日前)の期間に渡って、前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩が毎日投与される、請求項14から19のいずれか一項に記載の医薬組成物。
- 前記5-アミノレブリン酸類若しくはその誘導体又はそれらの塩が、前記アントラサイクリン系抗がん剤の投与前の少なくとも3日間(好ましくは7日間)から、前記アントラサイクリン系抗がん剤の投与後少なくとも7日間(好ましくは14日間)まで、連続して前記対象に投与される、請求項14から19のいずれか一項に記載の医薬組成物。
- 前記の投与サイクルが1週間~4週間毎に繰り返される、請求項22に記載の医薬組成物。
- 前記鉄化合物が、クエン酸第一鉄、クエン酸第一鉄ナトリウム、クエン酸鉄ナトリウム、クエン酸鉄アンモニウム、ピロリン酸第二鉄、ヘム鉄、デキストラン鉄、乳酸鉄、グルコン酸第一鉄、DTPA鉄、ジエチレントリアミン五酢酸鉄ナトリウム、ジエチレントリアミン五酢酸鉄アンモニウム、エチレンジアミン四酢酸鉄ナトリウム、エチレンジアミン五酢酸鉄アンモニウム、トリエチレンテトラアミン鉄、ジカルボキシメチルグルタミン酸鉄ナトリウム、ジカルボキシメチルグルタミン酸アンモニウム鉄アンモニウム、ラクトフェリン鉄、トランスフェリン鉄、塩化第二鉄、三二酸化鉄、鉄クロロフィリンナトリウム、フェリチン鉄、フマル酸第一鉄、ピロリン酸第一鉄、含糖酸化鉄、酢酸鉄、シュウ酸鉄、コハク酸第一鉄、コハク酸クエン酸鉄ナトリウム、硫酸鉄、及び硫化グリシン鉄からなる群より選ばれる1種又は2種以上の鉄化合物である、請求項14から24のいずれか一項に記載の医薬組成物。
- 前記アントラサイクリン系抗がん剤が、ドキソルビシン、アクラルビシン、ピラルビシン、イダルビシン、エピルビシン、ダウノルビシン、アムルビシン、これらの誘導体、およびこれらの薬理学的に許容される塩、からなる群から選択される抗がん剤であることを特徴とする、請求項14から25のいずれか一項に記載の医薬組成物。
- 対象におけるアントラサイクリン系抗がん剤の毒性の低減方法であって、
前記対象へのアントラサイクリン系抗がん剤の投与と同時又は異時に、前記対象へ5-アミノレブリン酸類若しくはその誘導体又はそれらの塩を投与するステップを含む、
方法。 - 対象における腫瘍の増殖を抑制するための方法であって、
5-アミノレブリン酸類若しくはその誘導体又はそれらの塩とアントラサイクリン系抗がん剤とを、同時又は異時に前記対象に投与するステップを含む、
方法。
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| EP4309651A4 (en) * | 2021-01-25 | 2024-11-06 | Juntendo Educational Foundation | THERAPEUTIC AGENT FOR HYPERTROPHIC CARDIOMYOPATHY |
| US12539285B2 (en) | 2021-01-25 | 2026-02-03 | Juntendo Educational Foundation | Therapeutic agent for hypertrophic cardiomyopathy |
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| EP4316480A1 (en) | 2024-02-07 |
| CN116997335A (zh) | 2023-11-03 |
| JPWO2022202477A1 (ja) | 2022-09-29 |
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