60 results about "Apatinib" patented technology

The invention discloses a method for simultaneously detecting multiple anti-tumor drugs in a blood sample. A pretreated sample to be detected is detected by adopting ultra-high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). The pretreatment process comprises the following steps: adding serum into a mixed solution of methanol and acetonitrile, oscillating and centrifuging,taking out the centrifuged supernatant, drying, dissolving the dried powder into a methanol aqueous solution, and filtering to obtain a sample to be detected. The method can be used for simultaneously detecting 13 kinds of anti-tumor drugs such as methotrexate, 5-fluorouracil, apatinib, busulfan, carboplatin, cyclophosphamide, docetaxel, gemcitabine, imatinib, illinotecan, lenalidomide, oxaliplatin, paclitaxel and the like in blood.

The invention discloses a synthesis method of apatinib for treating stomach cancer, which comprises the following steps: (1) carrying out contact reaction between 2-chloro-3-methyl picolinate and 4-diazomethyl-pyridine in a mixed solution in the presence of an alkali to obtain a compound shown as formula I; (2) reacting the compound obtained in step (2) with the compound shown as formula II under stirring and under catalysis of tert-butyl alcohol, filtering reaction solution, concentrating filtrate, pouring into a sodium bisulfite solution, continuing stirring for reaction, regulating pH to 8-9 with saturated sodium bicarbonate after the reaction is complete to obtain apatinib. The method of the invention provides a new route for synthesis of apatinib, and has the following advantages: few reaction steps are involved, the yield of the target product is high, the raw materials are easily-accessible, the product purification is simple, and the method is suitable for large-scale industrial production.

The invention provides a preparation method of apatinib. The preparation method comprises that 2-halogenated-3-cyanopyridine as a raw material and 4-aminomethylpyridine undergo a substitution reactionto produce N-(pyridin-4-yl-methyl)-2-amino-3-cyanopyridine, the N-(pyridin-4-yl-methyl)-2-amino-3-cyanopyridine undergoes an esterification reaction to produce N-(pyridin-4-yl-methyl)-2-amino-3-picolinate, and the N-(pyridin-4-yl-methyl)-2-amino-3-picolinate and 1-(4-aminophenyl)cyclopentylformonitrile undergo an amidation reaction to produce apatinib (I). The preparation method has the advantages of low cost and easy availability of raw materials, simple processes, low cost, less waste water generation, safety and environmental protection, easy realization of reaction conditions, high reactivity and selectivity, few side reactions, few apatinib impurities, high purity and high yield.

The invention discloses a preparation method and an intermediate of apatinib. The preparation method comprises the steps as follows: the intermediate 2-[(pyridine-4-methyl)amino]alkane nicotinate and1-(4-aminophenyl)-1-cyanocyclopentane are subjected to an amidation reaction in the presence of an alkaline substance in a reaction solvent to produce apatinib. By the means of the method, the reaction process can be milder, the operation is simple, no pollutants are produced, and more ideal yield and purity can be realized.

The invention relates to novel application of Apatinib or pharmaceutically acceptable salts, ester and solvent compounds thereof for preparing a medicine for treating acute myelogenous leukemia. The Apatinib restrains acute myelogenous leukemia cell amplification and induces apoptosis of cells by activating the mitochondrion-mediated endogenesis apoptosis way and lowering the VEGFR2 phosphorylation level and the PLCgama/PKC/S6 signal channel of the downstream thereof, and finally the effect of treating acute myelogenous leukemia is obtained; Apatinib or pharmaceutically acceptable salts, esterand solvent compounds thereof have no toxic or side effect on normal marrow mononuclear cells, the safety is good, the theoretical basis is provided for researching the treatment strategy for acute myelogenous leukemia, and an embedded point is supplied to preparation of the medicine for treating the acute myelogenous leukemia.

Provided are a pharmaceutical composition with a synergistic anti-osteosarcoma effect and application thereof. The invention discloses the pharmaceutical composition containing a VEGFR2 selective inhibitor Apatinib and a histone demethylase inhibitor GSK-J4 and the application thereof. Apatinib and GSK-J4 are used in combination to achieve the synergistic anti-osteosarcoma effect, the osteosarcomacell growth can be obviously inhibited, and the pharmaceutical composition is used for treatment of tumors like osteosarcoma.

The invention discloses a preparation method of apatinib and belongs to the field of medicine and fine chemical industry. The preparation method is a novel preparation scheme; a target compound that is satisfactory can be acquired with any intermediate. The preparation method has the advantages the advantages of short procedure, simple reacting steps, good safety and reliability, high yield, low cost, high purity, low pollution, good operational simplicity and the like.

The invention relates to a preparation method for apatinib. The preparation method comprises the following steps: performing condensation reaction on 4-(tert-butoxycarbonyl group) alkyl phenylacetateand 1,4-butane dihalide, thereby acquiring 1-[4-(tert-butoxycarbonyl group) phenyl] alkyl cyclopentane formate; performing deprotection reaction on the acquired product, thereby acquiring 1-(4-aminophenyl) alkyl cyclopentane formate; performing amidation reaction on the acquired product and 2-chloronicotinoyl chloride, thereby acquiring 1-{4-[(2-chlorine pyridine-3-group) carbonyl amino] phenyl} alkyl cyclopentane formate; performing substitution reaction on the acquired product and 4-aminomethyl pyridine, thereby acquiring 1-{4-[(2-((4-pyridyl methyl) amino) pyridine-3-group) carbonyl amino]phenyl} alkyl cyclopentane formate; performing amidation reaction on the acquired product, thereby acquiring 1-{4-[(2-((4-pyridyl methyl) amino) pyridine-3-group) carbonyl amino] phenyl} cyclopentaneformamide; lastly, dehydrating, thereby acquiring an end product.

The invention relates to the technical field of clinical plasma concentration detection for anti-tumor drugs and especially relates to a method for determining apatinib drug concentration in human plasma. HPLC-MS/MS method is adopted for determining apatinib drug concentration in human plasma and comprises the steps of pretreatment of a blood sample and HPLC-MS/MS (High Performance Liquid Chromatography-Mass Spectrum/Mass Spectrum) analysis. An internal standard method is adopted for determining the apatinib drug concentration in the to-be-determined blood sample. In the invention, the internal standard method is combined with the HPLC-MS/MS method, so that the accuracy of the determining result is improved, the system error is eliminated, the analysis time is shortened, the detection process is simple, convenient and quick, the detection for the apatinib drug concentration in patient body in the clinic treatment is facilitated, and an experimental basis is supplied for the individualadministration of the apatinib and the reduction of toxic and side effects.

The invention discloses apatinib polymeric micelle which is prepared from apatinib as a main medicine and an amphiphilic polymer material as a carrier. A preparation method comprises the following steps: 1) dissolving apatinib and a polymer into an organic solvent so as to obtain a co-solution; 2) dropping the co-solution into stirred water, and stirring at the same time; 3) evaporating off the organic solvent; 4) filtering off medicines which are not packaged and can be separated out by using a filtering membrane, thereby obtaining the apatinib polymeric micelle. The apatinib polymeric micelle disclosed by the invention is low in side effect, high in biocompatibility and simple, convenient and feasible in preparation process.

The invention provides a crystal form A of apatinib, and a preparation method and application thereof. The crystal form A is as shown in a formula (I) which is described in the specification. In an XRPD pattern of the crystal form A of apatinib, a diffraction peak occurs when the angle 2theta is equal to 11.69, 16.13, 17.13, 17.82, 20.74, 21.81, 23.51, 23.87 or 27.01 degrees, and the error range of the value of the 2theta is +/-0.2 degree. The crystal form A of apatinib provided by the invention has good high-temperature stability and high-humidity stability.

The invention discloses a preparation method of a nano-drug and application of the nano-drug in treatment of osteosarcoma. A Cys-8E material synthesized in the invention is good in biocompatibility and strong in drug entrapment capacity. After Apatinib and GSK-J4 are entrapped by a nano-carrier to prepare a nano-drug (NPJ4+Apa), then the nano-drug (NPJ4+Apa) can target a tumor site of osteosarcoma, and has the better drug delivery capability for osteosarcoma stem cells which cannot be acted by a traditional drug. The nano-drug NPJ4+Apa can induce apoptosis of the osteosarcoma stem cells, and the treatment effect of Apatinib and GSK-J4 is remarkably improved. Meanwhile, the nano-drug NPJ4+Apa can prevent Apatinib and GSK-J4 from acting on normal cells, so that the toxic and side effects ofApatinib and GSK-J4 are reduced. The nano-drug NPJ4+Apa has the advantages of targeting the osteosarcoma stem cells, being small in side effect and the like, and has a good application prospect and awide development space in the clinical field of osteosarcoma.

The invention discloses a novel polyester compound, a nano-drug taking the novel polyester compound as a carrier, and application of the nano-drug. According to the novel polyester compound, the nano-drug taking novel polyester compound as the carrier and the application of the nano-drug, a nano material 8P4 encapsulates a compound Apatinib, so that the nano-drug (8P4-Apa) can be prepared, and then the nano-drug (8P4-Apa) can target a tumor site of osteosarcoma; in addition, the nano-drug has good drug delivery capability on the stem cells of the osteosarcoma on which traditional drugs just exert poor effects; the treatment effect of the compound Apatinib is remarkably improved; the apoptosis of the stem cells of the osteosarcoma is induced; the nano material does not have obvious cytotoxicity under the application concentration; and meanwhile the toxic and side effects of the Apatinib on normal cells can be reduced through a nano drug delivery system. The nano-drug 8P4-Apa has the advantages of capability of targeting the osteosarcoma, small side effect and the like, and has a good application prospect and a wide development space in the field of clinical treatment of the osteosarcoma.

The invention belongs to the technical field of precision medicine, and discloses a medicine for treating advanced refractory solid tumors with TP53 mutation and application. The medicine for treatingthe advanced refractory solid tumors with TP53 mutation comprises apatinib and olaparib. AN anti-angiogenesis medicine is combined with a PARP inhibitor to treat the advanced solid tumors with TP53 mutation, and magical curative effects are achieved. The anti-angiogenesis medicine combined with the PARP inhibitor shows a certain anti-cancer curative effect in preclinical research. The anti-angiogenesis medicine can down-regulate homologous recombination repair related genes such as BRCA and RAD51, can make cells in a hypoxic state, and can enhance the treatment effect of the PARP inhibitor.

The disclosure relates to pharmaceutical combinations. Specifically, the invention provides application of a PD-1 antibody combined with paclitaxel and a VEGFR inhibitor such as apatinib in preparation of drugs for treating triple negative breast cancer, the combined treatment scheme shows better disease control rate and objective response rate, embodies a synergistic effect of combined medication, and significantly improves the curative effect of immunotherapy.

The invention provides a crystal form B of apatinib, and a preparation method and application thereof. The crystal form B is as shown in a formula (I) which is described in the specification. In an XRPD pattern of the crystal form B of apatinib, a diffraction peak occurs when the angle 2theta is equal to 6.17, 10.66, 12.35, 14.62, 18.56, 20.21, 20.84 or 21.21 degrees, and the error range of the value of the 2theta is +/-0.2 degree. The crystal form B of apatinib provided by the invention has good high-temperature stability and high-humidity stability.

The invention discloses a new crystal of apatinib sulfate; the new crystal has an XRPD pattern having diffraction peaks at 2 theta values approximately: 3.681, 7.319, 10.96, 14.62, 15.54, 16.8, 17.62, 18.3, 18.699, 19.48, 20.74, 21.1, 21.58, 22.5, 23.159, 24.16, 24.7, 25.38, 26.779, 28.079, 28.5, 29.06, 29.979, 31.181, 33.28, and 35.42, wherein a 2 theta value error range is 0.2. The new crystal has the advantages that the obtained crystal A of apatinib sulfate has the stability superior to that of an amorphous form, has good solubility, and is conducive to preservation.

The invention provides a combined pharmaceutical composition for treating acute myelogenous leukemia and application of the combined pharmaceutical composition. The combined pharmaceutical composition for treating acute myelogenous leukemia comprises chidamide and apatinib. According to the combined medicine composition, the medicine chidamide and the medicine apatinib are creatively combined to serve as a medicine for treating acute myelogenous leukemia, and the research shows that the combined chidamide and apatinib have the effect of more remarkably inhibiting AML cell proliferation compared with single chidamide or apatinib; has the effect of more remarkably inducing AML cell apoptos compared with single chidamide or apatinib, and has the effect of more remarkably prolonging the survival time of an AML mouse model compared with single chidamide or apatinib. The combined pharmaceutical composition provides a new strategy and thought for the treatment of acute myelogenous leukemia, and has very significant significance.

The invention discloses a preparation method and application of apatinib-coated chitosan sodium alginate microsphere. The method comprises the following steps of: 1, uniformly mixing 10mg/mL of apatinib solution and 0.0315% in mass concentration of alginate solution according to a volume ratio of 1: 23.5 to obtain a mixed solution, 2, dripping a calcium chloride solution with a mass concentrationof 0.2% into the mixed solution A prepared in step 1 at a speed of 0.1ml/min, and stirring to obtain a mixed solution B; wherein the volume ratio of the mixed solution A to the calcium chloride solution is 24.5: 1.5; 3, dripping a chitosan solution with a mass concentration of 0.07% into the mixed solution B at a speed of 0.1ml/min, fully reacting, centrifuging, washing, and performing vacuum freeze drying to obtain the apatinib-coated chitosan sodium alginate microsphere; the volume ratio of the mixed solution B to the chitosan solution is 13: 1; the microsphere can promote the absorption ofmedicines in intestinal tracts, can improve the absorption and utilization rate of the medicines, can reduce the oral intake of the medicines and reduce the side effect caused by the medicines.

The invention discloses a method and a kit for determining effectiveness of a targeted drug apatinib. The method comprises the following steps: step 1, preparing a drug effect sample of the targeted drug apatinib; 2, carrying out DNA molecular marking on the drug effect sample obtained in the step 1; 3, establishing a multiple linear regression mathematical model; 4, calculating the correlation coefficient of the effective variable of the drug effect of the targeted drug apatinib; and step 5, determining the effectiveness of the targeted drug apatinib according to the correlation coefficient of the effective variable of the drug effect. According to the method and the kit for determining the effectiveness of the targeted drug apatinib, provided by the invention, the efficacy effectivenessof the targeted drug apatinib is researched from a gene level in a DNA molecular marking manner, so that the efficacy degree of a drug scheme is associated with the expression of a gene, and the efficacy effectiveness of the targeted drug apatinib can be better determined; and predicting or assisting in predicting of the risk of the efficacy of the chemotherapy FOLFOX regimen is carried out.

The invention relates to an application of a combination of clostridium ghonii and a tumor angiogenesis inhibitor in cancer treatment. It is found for the first time that the combination of clostridium ghonii and the low-dose tumor angiogenesis inhibitor reduces infiltration of M2-like macrophages, MDSC and the like in tumors, reduces the number of TGF beta in the tumors and reduces the inhibition effect of anti-tumor immune response in TME. Meanwhile, by combining with the low-dose tumor angiogenesis inhibitor, immune cells such as CD8 < + >, CD3 < + > T and F4/80 < + > can be promoted to infiltrate into tumors, the immune microenvironment in the tumors is improved, and the anti-tumor curative effect is enhanced. The application can be applied to advanced malignant solid tumor types, the TME is converted into an immune activation state from an immunosuppression state by combining the clostridium ghonii with low-dose apatinib to reduce the anti-tumor immune response inhibition effect in the TME, and efficient anti-tumor is achieved.

The invention discloses application of apatinib and a combination of the apatinib and CCI-779 in preparation of drugs for preventing and treating small cell lung cancer, and relates to the technical field of pharmacy. In-vitro tests prove that the apatinib has a concentration-dependent characteristic on the action of a small cell lung cancer cell strain (NCI-H446), and high-concentration apatinibcan inhibit cell proliferation and migration of the small cell lung cancer cell strain and induce cell apoptosis, and can improve the sensitivity of small cell lung cancer cells to the apatinib when combined with an mTOR inhibitor CCI-779, and can inhibit proliferation and migration of the small cell lung cancer cells at a relatively low concentration to cause cell cycle arrest and induce cell apoptosis.

The invention relates to a novel pharmaceutical application of apatinib or a pharmaceutically acceptable salt thereof, in particular to an application of apatinib or a pharmaceutically acceptable saltthereof in preparation of a medicine for treating malignant mesothelioma. The in-vitro test result shows that apatinib mesylate inhibits MPM cell proliferation and activity, affects the G2/M phase ofthe MPM cell cycle process and remarkably inhibits MPM cell movement and migration; an in-vivo test result shows that the apatinib mesylate obviously reduces the ePCI score and has no influence on the body weight of nude mice. The apatinib has no histological toxicity to lung, spleen, kidney and gastrointestinal tract, only has focal lymphocyte infiltration in liver and myocardial tissues, and has an obvious effect of down-regulating NPM2 gene expression. The new application of apatinib or the pharmaceutically acceptable salt thereof provided by the invention provides an important theoreticalbasis for application of apatinib or the pharmaceutically acceptable salt thereof in treatment of malignant mesothelioma, widens the treatment range of the drug, and provides a new drug solution fortreatment of malignant mesothelioma.