6847results about "Inorganic active ingredients" patented technology

Disclosed herein are compositions comprising an NSAID such as meloxicam and / or rizatriptan in combination with a cyclodextrin and / or a carbonate or a bicarbonate. These compositions may be orally administered, for example, to improve the bioavailability or pharmacokinetics of the NSAID for the treatment of pain such as migraine, arthritis, and other conditions. Also disclosed herein are methods of treating pain, such as migraine, comprising administering meloxicam and rizatriptan to a human being suffering from pain, such as migraine. For migraine, these methods may be particularly useful when the meloxicam and rizatriptan are administered while the human being is suffering from an acute attack of migraine pain or migraine aura. In some embodiments, the combination of meloxicam and rizatriptan may be administered in a manner that results in a Tmax of meloxicam of 3 hours or less.

The disclosure relates to methods, compositions, and combinations for the treatment of endometrial cancer. Specifically, the disclosure relates to methods of treating endometrial cancer in a subject in need thereof, comprising administering to the subject one or more chemotherapy agents, an anti-PD-L1 antibody or an antigen-binding fragment thereof, and optionally a PARP inhibitor. The disclosure also relates to combinations for use in the treatment of endometrial cancer comprising one or more chemotherapy agents, an anti-PD-L1 antibody or an antigen-binding fragment thereof, and optionally a PARP inhibitor.

Disclosed herein are compositions comprising an NSAID such as meloxicam and / or rizatriptan in combination with a cyclodextrin and / or a carbonate or a bicarbonate. These compositions may be orally administered, for example, to improve the bioavailability or pharmacokinetics of the NSAID for the treatment of pain such as migraine, arthritis, and other conditions. Also disclosed herein are methods of treating pain, such as migraine, comprising administering meloxicam and rizatriptan to a human being suffering from pain, such as migraine. For migraine, these methods may be particularly useful when the meloxicam and rizatriptan are administered while the human being is suffering from an acute attack of migraine pain or migraine aura. In some embodiments, the combination of meloxicam and rizatriptan may be administered in a manner that results in a Tmax of meloxicam of 3 hours or less.

Disclosed herein are compositions comprising an NSAID such as meloxicam and / or rizatriptan in combination with a cyclodextrin and / or a carbonate or a bicarbonate. These compositions may be orally administered, for example, to improve the bioavailability or pharmacokinetics of the NSAID for the treatment of pain such as migraine, arthritis, and other conditions. Also disclosed herein are methods of treating pain, such as migraine, comprising administering meloxicam and rizatriptan to a human being suffering from pain, such as migraine. For migraine, these methods may be particularly useful when the meloxicam and rizatriptan are administered while the human being is suffering from an acute attack of migraine pain or migraine aura. In some embodiments, the combination of meloxicam and rizatriptan may be administered in a manner that results in a Tmax of meloxicam of 3 hours or less.

Disclosed herein are compositions comprising an NSAID such as meloxicam and / or rizatriptan in combination with a cyclodextrin and / or a carbonate or a bicarbonate. These compositions may be orally administered, for example, to improve the bioavailability or pharmacokinetics of the NSAID for the treatment of pain such as migraine, arthritis, and other conditions. Also disclosed herein are methods of treating pain, such as migraine, comprising administering meloxicam and rizatriptan to a human being suffering from pain, such as migraine. For migraine, these methods may be particularly useful when the meloxicam and rizatriptan are administered while the human being is suffering from an acute attack of migraine pain or migraine aura. In some embodiments, the combination of meloxicam and rizatriptan may be administered in a manner that results in a Tmax of meloxicam of 3 hours or less.

The preparation method comprises the following steps: mixing a tannic acid solution and a tetravalent cerium salt solution, adjusting the pH value to 9-11, and reacting to obtain the cerium tannate nano-enzyme, the molar ratio of the tannic acid to the tetravalent cerium salt is (1-4): 1; the hydration dynamic diameter of the cerium tannate nano-enzyme is 20 to 80 nm. The TA-Ce nano-enzyme prepared by the preparation method disclosed by the invention is smaller in particle size, can keep stable and good dispersibility in a physiological environment, and has good biocompatibility, low hemolysis rate and small systemic toxicity; meanwhile, the compound has good kidney targeting property, can be effectively enriched into the injured kidney, eliminates various ROS (reactive oxygen species) and relieves oxidative stress by utilizing unique redox cycle between Ce < 3 + > and Ce < 4 + > states, and has a good effect in treating acute kidney injury induced by rhabdomyolysis and / or cis-platinum. The research lays a foundation for the metal polyphenol nano material in the treatment of acute kidney injury.

The invention discloses a nano-enzyme as well as a preparation method and application thereof, and relates to the technical field of nano-enzymes. According to the preparation method, natural polyphenol, a cerium source and polyethylene glycol are mixed to prepare the novel polyphenol nano-enzyme, the preparation method is simple and easy to implement, the preparation cost is low, the prepared nano-enzyme has good biocompatibility, and a new way is provided for effective treatment of inflammatory diseases.

The disclosure provides a method for treating a subject afflicted with a tumor, e.g., derived from a non-small cell lung cancer (NSCLC), comprising administering to the subject a combination of a (a) chemotherapy, (b) an anti-PD-1 antibody or an anti-PD-L1 antibody, and (c) an anti-CTLA-4 antibody, wherein the chemotherapy is administered for a period of time that is less than the standard.

The invention relates to an application of a stable silicic acid aqueous solution in preparation of a product for treating acne, and the mass concentration of the stable silicic acid aqueous solution is 0.5-2%. The product taking the stable silicic acid aqueous solution as an active ingredient can be used for treating acne or preventing and / or treating sebaceous gland homeostasis imbalance, can fade the color of sebaceous gland spots at the mass concentration of 0.5-2%, and has an anti-acne effect, and meanwhile, the stable silicic acid aqueous solution is low in raw material cost, environment-friendly, safe and suitable for industrial production. The tretinoin can be used as a traditional tretinoin substitute medicine with a good curative effect.

The invention belongs to the field of nano-drug preparations, and discloses a multifunctional nano-enzyme platform and a preparation method and application thereof, and the multifunctional nano-enzyme platform is mainly composed of a nano-enzyme, a carrier material and a targeting substance. The synthesis of the nano-enzyme, the loading of the nano-enzyme on a carrier material and the modification of a targeting substance on the surface of the nano-enzyme are carried out through methods such as stirring synthesis, coprecipitation, strong acid oxidation, chemical reduction, covalent binding, a solvothermal method and physical adsorption. The targeting substance on the surface of the nano-enzyme platform can be accurately and efficiently positioned to an inflammation part, the meta-acid microenvironment of the inflammation part enables the targeting substance and the carrier material to be subjected to structural depolymerization, so that various nano-enzymes are released, and the nano-enzymes not only realize self-cascade and synergistic catalysis enhancement effects of the enzymes at the inflammation part, but also can be used for preparing the nano-enzyme. And a substrate self-circulation catalysis system is also formed, so that the effect of efficiently relieving and treating various inflammation-related diseases is achieved.

The invention discloses preparation and application of bionic cerium-based polyphenol nano-enzyme for treating rheumatoid arthritis, and belongs to the field of medical preparations. The method comprises the following steps: respectively complexing cerium ions and tannic acid or epicatechin gallate to prepare cerium-based polyphenol nano-enzyme, and then preparing the cerium-based polyphenol nano-enzyme wrapped by a macrophage membrane. And loading the cerium-based polyphenol nano-enzyme wrapped by the macrophage membrane into the hydrogel to prepare the hyaluronic acid-based hydrogel. The cerium-based polyphenol nano-enzyme and the hyaluronic acid-based hydrogel are characterized, it is verified that the cerium-based polyphenol nano-enzyme and the hyaluronic acid-based hydrogel are successfully synthesized, the particle size of CeTA is about 22 nm, the particle size of M-CeTA is increased to 273 nm, the particle size of CeECG is about 95 nm, and the particle size of M-CeECG is increased to 292 nm. In-vitro experiments prove that the M-CeTA and the M-CeECG do not show obvious cytotoxicity when being less than 80 mu g / mL, and have an obvious inhibition effect on expression of cell inflammatory factors on inflammatory cells.

The invention discloses a gynecological antibacterial gel containing a carbomer component, and belongs to the technical field of gynecological nursing materials. The gel is prepared from 0.5 to 5 percent of plant extract microcapsules, 0.5 to 3 percent of carbomer, 2 to 10 percent of glycerol, 0.1 to 1.5 percent of triethanol and the balance of purified water. The plant extract microcapsule is prepared by compounding methacrylated silk fibroin and a caffeic acid hyaluronic acid graft, has temperature responsiveness, can improve the adhesive force on the surface of vaginal mucosa, and realizes slow release of the plant extract; the caffeic acid catechol hydroxyl is chelated with silver ions, a nano-silver monodisperse layer is formed on the surface of the microcapsule, and the antibacterial activity is improved. The composite plant extract can inhibit bacteria, repair mucous membranes and maintain the acidic microenvironment of the vagina. When the gel is prepared, the problem that the swelling efficiency of carbomer is low is solved through glycerol pre-grinding, and triethanolamine is added in three times to form a gradient cross-linked network. The problems that traditional gel is unstable in viscosity, poor in mucous membrane adhesiveness and prone to damaging vagina micro-ecology are solved, the antibacterial effect is good, and preservation is stable.

The invention discloses injectable hydrogel with redox activity and electroactivity as well as a preparation method and application of the injectable hydrogel, and belongs to the technical field of medical materials. The preparation method comprises the following steps: reacting methacrylic anhydride and polysaccharide molecules in a solvent to prepare a double-bond functional polymer; the preparation method comprises the following steps: firstly, pre-polymerizing dopamine in a solvent, and then adding MOF (Metal Organic Framework) to carry out polymerization reaction, so as to prepare dopamine modified MOF; reacting the dopamine modified MOF, EDOT and ferric salt in a solvent, and collecting the precipitate to prepare a nano filler; the preparation method comprises the following steps: jointly dispersing the double-bond functional polymer, active polypeptide, a photoinitiator and nano filler into a solvent, and carrying out photocuring cross-linking. The preparation condition is mild, gel forming is rapid, the method is simple, the prepared hydrogel has injectable performance and conductive performance, catalytic activity of natural enzyme can be simulated, active oxygen removal can be achieved in the early stage of myocardial ischemia, electrical conduction of infarction parts can be enhanced, and effective recovery of cardiac functions can be achieved.

The invention provides a method of treating a tumor in a human gastric cancer or gastroesophageal junction cancer patient.

The disclosure provides a method of treating a human subject afflicted with lung cancer (e.g., non-small cell lung cancer (NSCLC)) with a programmed death-1 (PD-1) pathway inhibitor (e.g., an anti-PD-1 antibody) and a concurrent chemoradiotherapy (CCRT, e.g., a platinum doublet chemotherapy (PDCT) and a radiation therapy) followed by a combination of a PD-1 pathway inhibitor (e.g., an anti-PD-1 antibody) and a lymphocyte activation gene-3 (LAG-3) antagonist (e.g., an anti-LAG-3 antibody). In some aspects, the method comprises a recovery period that begins upon completion of the treatment with the PD-1 pathway inhibitor and the CCRT and ends at the start of the treatment with the combination of the PD-1 pathway inhibitor and the LAG-3 antagonist.

The invention discloses a tumor cholesterol metabolism regulation microneedle patch and a preparation method, the microneedle patch comprises a needle tip and a backing which are connected, the needle tip comprises a needle tip body and nanoparticles loaded on the needle tip body, the nanoparticle is a manganese ion-doped organic metal framework, the outer layer of the manganese ion-doped organic metal framework is modified with a targeting agent, cholesterol oxidase and superoxide dismutase are carried on the manganese ion-doped organic metal framework, the targeting agent can target a CD44 receptor, and the organic metal framework can carry drugs. The targeted drug can enter tumor cells in a targeted mode, superoxide dismutase catalyzes superoxide anions overexpressed in the tumor cells to generate H2O2 and O2, O2 needed by catalysis is provided for cholesterol oxidase, cholesterol at the tumor site is consumed by the cholesterol oxidase, accumulation of 7-DHC is reduced, meanwhile H2O2 can be generated, and the cholesterol oxidase can be used for catalyzing the tumor site. H2O2 is catalyzed by manganese ions through a Fenton-like reaction to generate OH to induce tumor cells to generate ferroptosis, so that ferroptosis-immune synergistic treatment is realized.

The invention discloses a medical developing marker and a manufacturing method thereof, and relates to the field of medical instruments, the medical developing marker comprises a closed tube, the outer wall of the closed tube is provided with a bionic barb structure, the bionic barb structure is distributed in a flexible zigzag convex manner, and the bionic barb structure and the closed tube are integrally formed through an injection molding process; a closed cavity is arranged in the closed tube, four developing strips are symmetrically arranged in the tube wall of the closed cavity, the tube wall of the region where the developing strips are located is etched to form a weak band, and a developing material layer and a sustained-release medicine layer are sequentially deposited at the weak band. The developing material layer and the sustained-release drug and / or marked nano-particle layer are alternately deposited to form a functional composite layer, and the functional composite layer can directionally rupture to release the therapeutic drug under the action of implantation pressure. The marker integrates the functions of precise development, tissue anchoring and drug sustained release, is adaptive to multi-mode imaging such as ultrasonic imaging, X-ray imaging, CT imaging, MRI imaging and PET-CT imaging, and has remarkable clinical value in precise positioning treatment of solid tumors such as breast cancer and liver cancer.

The invention relates to the field of biomedical materials, and particularly discloses a manganese dioxide nano-enzyme for treating inflammatory bowel disease as well as a preparation method and application of the manganese dioxide nano-enzyme. The preparation method of the manganese dioxide nano-enzyme comprises the following steps: uniformly mixing an organic solution containing manganese nitrate hexahydrate with a montmorillonite aqueous solution to obtain a mixed reaction solution; the pH value of the mixed reaction solution is adjusted to be under the alkaline condition through alkali liquor, a synthetic reaction is carried out, then centrifugation and washing are carried out, the montmorillonite-loaded manganese dioxide nano-enzyme is obtained, and the manganese dioxide nano-enzyme is of a lamellar structure with the length being 20-400 nm. The manganese dioxide nano enzyme has excellent activity similar to superoxide dismutase, catalase and glutathione peroxidase; meanwhile, the compound also has the capability of removing various free radicals such as DPPH and ABTS, can be used for treating the inflammatory bowel disease, and has a wide application prospect.

A composition is formulated in a therapeutic amount to maintain and promote hair health and growth in a human in need thereof. The composition may comprise a shelf stable, supercritical CO2 fluid extracted, enhanced lipidosterolic extract of Serenoa repens (LSESr). The enhanced LSESr may have a ratio of free fatty acids to total fatty acids that is greater than about 83.0% and an enrichment of lauric, myristic, oleic and linoleic acids as free fatty acids to total free fatty acids that is about 81.0% or greater. An enrichment of linoleic and linolenic acids together may be greater than about 4.0%.

Provided is a method for treating and / or preventing of cancer using Compound A or a pharmaceutically acceptable salt thereof.

To provide beta-1,3-glucan, and to provide uses thereof for regulating immunity in the human body, which are methods for treating and / or preventing high cholesterol, diabetes, and allergies, and methods for treating and / or preventing intestinal inflammation.SOLUTION: Provided is a composition for oral administration for alleviating symptoms associated with intestinal inflammation in humans, the composition containing an effective amount of beta-1,3-glucan dried to a moisture content of about 40% or less from Euglena grown by fermentation, the beta-1,3-glucan not containing beta-1,6-glycosidic bonds, the effective amount being between 0.1 mg of beta-1,3-glucan / kg body weight and 100 mg of beta-1,3-glucan / kg body weight.SELECTED DRAWING: Figure 1

Disclosed herein are compositions comprising Plinabulin and one or more immune checkpoint inhibitor for treating cancer. Some embodiments relate to methods of treating cancer by co-administering Plinabulin and one or more immune checkpoint inhibitor to a subject in need thereof.

The invention discloses an anti-tumor nano material based on copper death promotion as well as a preparation method and application of the anti-tumor nano material. The anti-tumor nano material is constructed by taking PCN-Cu as a metal organic framework compound and merging Pt nano particles with stable polyvinylpyrrolidone into the PCN-Cu, and the anti-tumor nano material is named as Pt-coated PCN-Cu. Experiments prove that the Pt-coated PCN-Cu can improve the concentration of copper ions in tumor cells, promote the lipoic acylation aggregation process of mitochondrial related proteins, promote degradation and proteotoxicity reaction of Fe-S cluster proteins and induce copper death of the tumor cells. The Pt-coated PCN-Cu has the advantages of being simple in preparation process, green, economical, low in cost, capable of being produced on a large scale and the like, has a good anti-tumor effect, expands a novel treatment mode for promoting tumor cell copper death, and provides a new technical means for tumor treatment.

A dietary supplement composition is formulated in a therapeutic amount to maintain and promote urinary and prostate function in a human. The composition includes a shelf stable, supercritical CO2 fluid extracted, enhanced lipidosterolic extract of Serenoa repens (LSESr). The enhanced LSESr has a ratio of free fatty acids to total fatty acids that is greater than about 83.0% and an enrichment of lauric, myristic, oleic and linoleic acids as free fatty acids to total free fatty acids that is about 81.0% or greater.

The invention discloses a preparation method of a zinc-dihydromyricetin nano-enzyme and application of the zinc-dihydromyricetin nano-enzyme in preparation of drugs for promoting healing of diabetic wounds, and the zinc-dihydromyricetin metal polyphenol nano-enzyme (Zn-DHM) is obtained by coordinating a metal element zinc (Zn) and a natural product dihydromyricetin (DHM) through a one-step method by taking PVP as a surfactant. The Zn-DHM nano-enzyme prepared by the invention has antioxidant property and cell proliferation and migration promoting ability, and can maintain metabolism and immune homeostasis of diabetic wounds, so that the Zn-DHM nano-enzyme can accelerate early healing of the diabetic wounds.

According to the preparation method of the Mn-based multifunctional nano-enzyme, the Mn-based multifunctional nano-enzyme and the application, the metal frame ZIF-8 is used as a template, Mn is uniformly dispersed in a metal organic frame, and then calcination is performed in an inert atmosphere to successfully realize uniform dispersion of an Mn catalyst on a ZIF-8-derived nitrogen-doped dodecahedron carbon material to form the Mn-based multifunctional nano-enzyme. The optimal valence state proportion of Mn and the optimal manganese coordination structure are obtained by regulating and controlling the Mn doping amount, the carbonization temperature and the like, so that the Mn-based multifunctional nano-enzyme with good UOD, CAT and SOD performance is obtained, and the purposes of rapidly reducing uric acid and hydrogen peroxide and eliminating inflammation are achieved.

The invention relates to the technical field of atherosclerosis related drugs, in particular to a macrophage membrane functionalized manganese dioxide nano-drug as well as a preparation method and application thereof in treatment of atherosclerosis. The invention relates to a macrophage membrane functionalized manganese dioxide nano-drug, which comprises an HMnO2 carrier, colchicine is loaded on the HMnO2 carrier, and a macrophage membrane is coated outside the HMnO2 carrier. The preparation can be applied to practical operation of preparing medicines for treating atherosclerosis. According to the technical scheme, the technical problem of limited treatment effect caused by single action mechanism of medicines for treating atherosclerosis in the prior art can be solved. The nano-drug in the scheme can remove ROS to play an anti-inflammatory effect, reprogram macrophages and promote cholesterol excretion, and is used for synergistically treating atherosclerosis. The macrophage membrane can target an inflammation part and escape from an immune system. And the side effect of the nano-drug is relatively small, so that the nano-drug has ideal popularization and application prospects.

The invention belongs to the cross technical field of nanomedicine, tumor treatment and immunotherapy, and particularly provides tumor mitochondria-targeted copper death selective induction nanoparticles, which are prepared by the following preparation method: S1, specifically coupling TPY and MHI through condensation reaction to obtain MTPY; s2, MTPY and copper ions are subjected to complexation, and an MTPY-Cu complex is obtained; and S3, the MTPY-Cu complex and albumin are subjected to self-assembly, and the MTPY-Cu-coated Alb nanoparticles are formed. The dosage of copper is only 1 / 1000 of that of free Cu < 2 + >, and equivalent immune regulation and killing effects can be achieved; primary tumors and distant tumor focuses can be inhibited, and lung metastasis is reduced; immune memory can be induced, and relapse can be prevented; the traditional Chinese medicine composition is combined with cis-platinum to remarkably enhance the curative effect and reverse the induced immunosuppression; the invention has the advantages of high biological safety and no obvious liver and kidney toxicity or hemolytic reaction.

The preparation method comprises the following steps: synthesizing gold nanostars (GNS) by using a seed growth method, coating mesoporous cerium dioxide (mCeO2) by using a template method, and loading a photosensitizer indocyanine green (ICG), so as to form a nano enzyme diagnosis and treatment system with chemical activity, photoactivity and photothermal effects. In the system, the gold nanostars have a good photo-thermal effect due to the multi-branched structure of the gold nanostars; on one hand, the mesoporous cerium dioxide coated on the outer layer has a chemical effect due to the nano-enzyme effect, and on the other hand, the mesoporous structure of the mesoporous cerium dioxide can better load the photosensitizer indocyanine green. All the components have good stability and biological safety, also have peroxidase simulation activity and a drug loading function, can improve the level of reactive oxygen species (ROS) in a tumor microenvironment and load photosensitizer drugs, and have an excellent anti-tumor effect and small side effects.

Provided are methods for identifying and treating patients with cancer, where the cancer expresses CEACAM5. The methods include measuring circulating CEA to identify patients likely to benefit from treatment with an agent specific for CEACAM5. Such patients can have high circulating CEA and only low or medium expression of CEACAM5 on tumor cells as measured by immunohistochemistry (IHC). The agent specific for CEACAM5 can be tusamitamab ravtansine. Such agent can be used in combination with one or more additional agents to treat the cancer. In certain embodiments the cancer is non-squamous non-small cell lung cancer (NSQ NSCLC).