701 results about "Pharmaceutic Adjuvant" patented technology

The invention relates to an oral solid medicine composition of canagliflozin and a preparation method thereof. The composition comprises canagliflozin and pharmaceutic adjuvants, wherein the canagliflozin is in an amorphous form, and the average grain size of particles is 2.5-30 microns. The composition can be used for effectively solving the technical problems that the crystal transformation and the compressibility of the canagliflozin in the amorphous form are poor in the preparation process of the solid preparation.

The invention relates to the field of medical preparations, in particular to an enteric solid preparation containing lycopene, resveratrol or melatonin and a preparation method of the enteric solid preparation. The enteric solid preparation comprises one or more of lycopene, resveratrol and melatonin as an active ingredient, water-soluble and/or enteric carrier adjuvants or other pharmaceutic adjuvants. The water-soluble carrier adjuvants can be used as water-soluble solid dispersoid carriers; and the enteric carrier adjuvants are enteric polymers and can be used as enteric solid dispersoid carriers or enteric coating film materials. The lycopene, the resveratrol and the melatonin of the enteric solid preparation have favorable dissolubility in the intestinal tract, so that the medicament, namely, the enteric solid preparation, can be rapidly dissolved and released in the intestinal tract, and thus absorption and bioavailability of the lycopene, the resveratrol and the melatonin are increased. The enteric solid preparation containing the lycopene, the resveratrol and the melatonin can be suitable for application and industrial production of oral preparations, such as tablets, particles, pellets, capsules, enteric capsules, enteric coating tablets, enteric coating pellets, enteric coating particles and the like.

The invention discloses a method for refining and deoiling paraffin for pharmaceutic adjuvants, and belongs to the field of medical materials. The method disclosed by the invention comprises the following steps of: refining hydrogenant paraffin which is used as a raw material by adopting an active substance so that the paraffin is effectively deodorized, de-colored and deodorized and the paraffin is odorless and tasteless; 'sweating' the paraffin by using a deoiling box so that the paraffin is deoiled and the oil content of the paraffin is reduced, wherein the active substance is active carbon, diatomite and/or active floridin; and the deoiling box is a device which enable the paraffin to be sweated according to a principle that heating is performed by using different melting points of the paraffin so that oil is separated to be infiltrated to the surface of the paraffin, and the deoiling effect of the deoiling box is that the oil content is reduced from 0.5 percent to 0.3 percent, so that the oil content is effectively reduced and the paraffin is difficult to oxidize. The invention aims to widen the application field of the paraffin, and widen the application field of the paraffin from food industry and daily chemical industry to pharmaceutic adjuvant industry; and the paraffin is mainly used as an ointment base hard-enhancing component and a sustained-release material in medicaments.

The invention discloses a method for preparing hydroxypropyl-beta-cyclodextrin, which comprises the steps of etherification, neutralization, decoloring, nanofiltration, resin purification, and spray drying. The method of the invention is small in pollution, and the yield in weight is more than 80 percent; meanwhile, the product prepared by using the method of the invention is narrow in substituted ratio range and low in impurity content, and can be used as a pharmaceutic adjuvant.

The invention relates to a parenteral preparation containing active entecavir and a preparation method thereof. The invention is characterized in that the parenteral preparation comprises the active entecavir, xylitol, water-soluble filler, pH regulator, water for injection and osmo-regulator, wherein the active entecavir is 0.001 percent to 30 percent by weight, and the balance is pharmaceutic adjuvant or water. The parenteral preparation has the advantages of good stability and high bioavailability, thus solving the defects of the oral administration of entecavir in treating the acute exacerbation of viruses. The parenteral preparation is particularly suitable for treatment on the acute exacerbation of hepatitis of a diabetic.

The invention provides a cefdinir dispersible tablet and a preparation method thereof, and the cefdinir dispersible tablet contains cefdinir with effective dose and pharmaceutic adjuvant which includes disintegrant and disintegrant-promoting aerosol; in every 100 parts of cefdinir, the dosage of the disintegrant is 2-60 parts, and the dosage of the disintegrant-promoting aerosol is 0.1-45 parts; after being taken orally, the cefdinir dispersible tablet of the invention can quickly disintegrate, and the cefdinir which is the active ingredient of the dispersible tablet has the accumulating dissolution rate of over 102.0% within 15 minutes. Compared with other medicines, the accumulating dissolution rate of cefdinir capsule is 98.3%. The cefdinir dispersible tablet are evenly dispersed into fine particles, so as to have remarkable disintegration and leachability capacity compared with the compressed tablets, realize the rapid absorption of medicine, the function of rapid onset, and improve the bioavailability of human body.

The invention discloses a preparation method of high-purity 1,4-sorbitan, which is characterized by taking D-sorbitol as a raw material through dewatering twice and three times of crystallization. The method comprises the following steps of: (1) adding polyatomic alcohol in a reaction vessel; (2) stirring, heating and decompressing for removing free water; (3) cooling down and adding an acidic catalyst; (4) stirring, heating and decompressing for dehydrating a molecule of water; (5) neutralizing and filtering for separating the catalyst; (6) decolorizing; (7) carrying out crystallization for three times in lower alcohol to prepare the 1,4-sorbitan with more than 99% of content. The preparation method fills up the blank of 1,4-sorbitan industrial production technique; the prepared 1,4-sorbitan can be used for synthesizing high-purity surfactants, such as Span, Tween, sorbitan fatty acid ester or polysorbate and the like; and the polysorbate-80 synthesized by the prepared 1,4-sorbitan can satisfy the standard of injection-level pharmaceutic adjuvant.

The invention discloses a preparation process for ultrafine glibenclamide particles, which belongs to the field of micronization of drugs. The process comprises the following steps: preparing an organic solution of glibenclamide; dissolving pharmaceutic adjuvants in water to form an aqueous solution and controlling the temperature of the aqueous solution to be 2 to 50 DEG C; mixing the above mentioned two solutions to prepare medicinal slurry, carrying out spray drying on the medicinal slurry, and controlling inlet temperature to be 100 to 170 DEG C, outlet temperature to be 60 to 95 DEG C, a feeding speed to be 5 to 40 ml/min and compressed air pressure to be 0.4 to 0.8 MPa so as to obtain ultrafine glibenclamide powder. The ultrafine powder provided in the invention has good stability, and more than 85% of the powder can be dissolved within 2.5 minutes; the process is simple and is easy to operate.

The invention relates to a Chinese medicine composition for treating neurasthenia and preparation process of the Chinese medicine composition. The Chinese medicine composition is prepared by the following raw materials: astragalus mongholicus, fructus lycii, poria cocos, cocklebur fruit, herba epimedii, polygala tenuifolia, angelica sinensis, Chinese date, schisandra chinensis, bighead atractylodes rhizome, spina date seed, radix ophiopogonis, Chinese yam, elecampane, cortex albiziae, liquorice, prepared rehmannia root, ginseng, cortex moutan and pinellia ternate. The raw materials are prepared into forms of drugs including capsules, tablets, particles and the like after pharmaceutic adjuvant drugs including starch edible cellulose are added into the raw materials according to a normal preparation method. The Chinese medicine composition for treating the neurasthenia can treat both principal and secondary aspects of the neurasthenia, is free of toxic, harmful and side effect, low in cost and simple and convenient to manufacture, and has wide application prospect.

The invention discloses a colchicine framework controlled-release tablet or capsule, which comprises colchicines and framework materials having controlled-release function, wherein the framework materials contain hydrophilic polymers of which the weight against the weight of the tablet is at least 20 percent and other pharmaceutic adjuvants; and the tablet or capsule comprises the following components in percentage by weight: 0.01 to 1.0 percent of colchicine, 20 to 85 percent of hydrophilic polymer, 1 to 30 percent of retarder, 20 to 60 percent of bulking agent, and 0.1 to 2 percent of lubricant. Release degree test results show that more than 90 percent of drugs are continuously released in vitro in 12 hours; and compared with the common tablet, the tablet or capsule has the advantages of obviously reducing daily taking frequency, lowering toxic and side effects of the drugs and improving the compliance and curative effect of patients.

The invention discloses a freeze dry injection of hirudin and its preparation process. It is characterized in that hirudin is extracted from fresh leech, pharmaceutic adjuvant can be added or not added after purification to prepare freeze dry injection formulation of hirudin, the character also lies in not adopting any organic solvent in the preparation method, but adopting purification methods of ultra filtration, ion exchange column chromatography and reverse osmosis condensation to get hirudin with comparative highly purity. The pharmacody experiment result indicates that the freeze dry injection has a favorable pharmacological action.

The invention relates to a medicine composition containing salvianolic acid A, the application and a preparation method thereof as well as freeze-dried powder injection and water injection containing the composition. The preparation method of the medicine composition comprises the following steps: taking salvianolic acid A to dissolve or disperse into water or ethanol, taking one or a plurality of alkaline sodium salt and alkaline kali salt to dissolve into water, mixing and fully stirring two solutions to be settled completely, and generally freeze-drying or decompression-drying by distillation to obtain a finished product, or directly adding water solution into pharmaceutic adjuvant to make the freeze-dried powder injection or water injection. The salvianolic acid A composition provided by the invention has strong stability, high dissolubility and uneasy oxidation in the water solution; the preparation method has good manufacturability, simple operation and low cost and can be used for preparing medicines for curing ischemic cardiovascular and cerebrovascular diseases; and the freeze-dried powder injection and water injection containing the salvianolic acid A have good stability and high uniformity and are accordant with requirements of medicines.

The invention discloses a preparation and an application of a pharmaceutic preparation of 11-carbonyl-betal- acetyl mastic acid and derivatives thereof extracted from frankincense, and the preparation is characterized by comprising the following steps: extracting, separating and purifying to obtain the 11-carbonyl-betal-acetyl mastic acid with the purity of 99% from the frankincense; and mixing the compound or the derivatives thereof with pharmaceutic adjuvants to prepare the pharmaceutically acceptable solid preparation and injection preparation. The pharmacological test result shows that the pharmaceutic preparation of the 11-carbonyl-betal-acetyl mastic acid and the pharmaceutic preparation of the derivatives thereof have obvious functions of analgesia, anti-inflammation, immunity regulation and the like, and can be applicable for treating patients suffering from rheumatic and rheumatoid arthritis.

The invention relates to a nasal preparation for preventing and/or treating aspiration allergy. With white vaseline as a matrix, the nasal gel or ointment preparation provided by the invention contains coating-extensibility pharmaceutic adjuvants required for adjustment of the gel or ointment preparation. When the nasal gel or ointment is smeared on the inner wall of nasal cavity, a layer of protective film, like an invisible mouth mask, is formed in the nasal cavity, thus effectively blocking inhalant allergens (such as pollen in the air and the like) from entering human body through the nasal cavity. Thereby, allergy symptoms are eliminated or alleviated, and the nasal gel or ointment containing drug components further can simultaneously play the role of drug treatment as well.

The invention relates to an enteric-coated tablet of S-pantoprazole or salt of the S-pantoprazole, and a preparation method thereof, wherein the enteric-coated tablet comprises the components: a) a tablet core formed by the S-pantoprazole or the salt of the S-pantoprazole and pharmaceutic adjuvant; b) an isolating layer; and c) an enteric layer. The tablet core of the S-pantoprazole or the salt of the S-pantoprazole is formed by directly tabletting full powder, so that the damage of high temperature to the S-pantoprazole or the salt of the S-pantoprazole in the process of drying water and granules during wet granulation can be effectively avoided, and the stability of the preparation is improved. Furthermore, the isolating layer and the enteric layer have less composition, so that the preparation is simple and convenient. According to the invention, the preparation technology is simplified and the production cost is reduced; and the prepared S-pantoprazole enteric-coated tablet is better in dissolution rate and good in stability.

The invention provides a preparation method for a pharmaceutic adjuvant--magnesium stearate. The preparation method comprises the following two steps: step 1, subjecting stearic acid and sodium hydroxide to a saponification reaction; and step 2, reacting sodium stearate produced by stearic acid and sodium hydroxide with magnesium sulfate so as to produce the magnesium stearate. The pharmaceutic adjuvant magnesium stearate produced by using the method provided by the invention has stable quality indexes, and in particular, the content of MgO accords with requirements prescribed in Chinese Pharmacopoeia (2010 edition); production process conditions are easily controllable, and the produced magnesium stearate has a good color.

The invention relates to a pharmaceutical combination with repaglinide and metformin as active components and a preparation method thereof. The pharmaceutical combination comprises 0.1-10 weight portions of repaglinide and 100-1500 weight portions of metformin as active components and pharmaceutic adjuvants, wherein, the pharmaceutic adjuvants comprise filler, disintegrating agent, adhesive, flavoring agent, lubricant and swelling accessory, and the repaglinide is repaglinide crystal. The invention adopts the repaglinide crystal with small particle size, metformin and pharmaceutic adjuvants to prepare the pharmaceutical combination, so as to realize the purpose of simultaneous release. Since the particle size of the repaglinide used in the invention is small, the dissolvability is improved, so that the dissolution is improved and the bioavailability is increased.

The invention discloses a preparation method of a decitabine freeze-dried powder injection, which is characterized by comprising the following steps: adding a pharmaceutic adjuvant into water and dissolving; adjusting the pH value to be 6.0-8.0 to obtain adjuvant solution; refrigerating the adjuvant solution to 0-10DEG C for later use; adding decitabine into the adjuvant solution and dissolving; keeping the liquid medicine at 0-10DEG C; adjusting the pH value to be 6.0-8.0; and adding active carbon, filtering, filling and freeze-drying to obtain the decitabine freeze-dried powder injection. In the process method, an organic solvent is not added and is replaced by water; and by controlling the pH value and the temperature, the contents of relative substances of the obtained preparation are low.

The invention discloses a mulberry leaf chewing tablet with sugar-lowering function. The chewing tablet is characterized by being made from the following raw materials by weight: 1-10 parts of a fine powder extract, 10-80 parts of a pharmaceutic adjuvant and 1-30 parts of xylitol, wherein, the fine powder extract is the mulberry leaf fine powder extract containing not less than 20% of total flavonoid and is obtained by the following steps: decocting dried and cleaned mulberry leaves in water; condensing and centrifuging the obtained decoction at a high speed; adsorbing the obtained centrifugate with resin; eluting with 85% ethanol and performing alcohol precipitation; drying in vacuum after precipitation and dehydration; smashing, sieving and drying. The mulberry leaf chewing tablet can effectively control blood sugar level increase without being metallization by insulin, and provides a good clinical drug for diabetics.

An anticancer pharmaceutical composition composed of pharmaceutic adjuvant and anti-metabolism medicine is disclosed. Wherein, the anti-metabolism medicine can effectively destroy DNA and/or protein synthesis and repairing function inside the tumor cell so as to inhibit the tumor cell growth, while the pharmaceutic adjuvant can mainly be biological compatible, degradable and absorbable macromolecule polymer, which can make the anti-metabolism drug to release slowly in the local tumor region in the degradation and absorption process, therefore it can both decrease considerably the whole body toxic reaction and sustain the local tumor effective drug level.

The invention provides a health care food used for increasing bone mineral density, preventing osteoarthrosis and enhancing immunity. The health care food is prepared from the following materials in parts by mass: 1500-2500 parts of marine fish bone collagen oligopeptide, 1500-2500 parts of fish bone powder, 200-400 parts of eucommia bark extract and 0.005-0.01 part of vitamin D and a proper amount of pharmaceutic adjuvants such as xylitol, dry skim milk, vegetable fat powder, essences, trichlorosucrose and the like. The health care food is prepared into a granular preparation by the following process steps of: premixing, granulating, total mixing and the like. The invention has the beneficial effects that the raw materials, i.e., marine fish bone collagen oligopeptide and fish bone whichcontain a large quantity of peptide, bone collagen and calcium, work together with eucommia bark extract and vitamin D in the health care food so that a human body can absorb effective ingredients better to increase bone mineral density, slow down bone marrow aging, enhance toughness of bones, and prevent and treat osteoporosis; in addition, peptide also has the functions of adjusting immunity and resisting bacteria and oxidation, thereby improving the immunity of the human body.