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34results about How to "Improve drug quality" patented technology

Novel compounds with high therapeutic index

ActiveUS20060241017A1Improve bioavailability and efficacyLess toxicBiocideAntipyreticAmino acid compositionCompound (substance)
The present invention is directed to novel therapeutic compounds comprised of an amino acid bonded to a medicament or drug having a hydroxy, amino, carboxy or acylating derivative thereon. These high therapeutic index derivatives have the same utility as the drug from which they are made, and they have enhanced pharmacological and pharmaceutical properties. In fact, the novel drug derivatives of the present invention enhance at least one therapeutic quality, as defined herein. The present invention is also directed to pharmaceutical compositions containing same.
Owner:SIGNATURE R & D HLDG LLC

Anti-tumor traditional Chinese medicine and preparation method thereof

The invention discloses an anti-tumor traditional Chinese medicine. 60-80 parts of sculellaria barbata, 70-90 parts of radix bupleuri, 70-90 parts of cordyceps sinensis, 50-70 parts of American ginseng, 40-60 parts of cyrtomium rhizomes, 30-60 parts of pericarpium citri reticulatae viride and 40-60 parts of isatis roots are added in the formula of the anti-tumor traditional Chinese medicine, a proper number of auxiliary materials are added, 1,000 tablets are prepared, coating is carried out, and the anti-tumor traditional Chinese medicine is prepared. A preparation process of the anti-tumor traditional Chinese medicine is improved. On the premise of guaranteeing that the medicine treatment effect is basically stable, stability of the anti-tumor traditional Chinese medicine in the production process, the medicine quality and the medicine effect are improved, the useful life of the anti-tumor traditional Chinese medicine is prolonged, all ingredient content is still larger than 99.6% after the anti-tumor traditional Chinese medicine is placed for 36 month at room temperature, and the production process of the anti-tumor traditional Chinese medicine achieves substantive breakthrough and technical progress.
Owner:GUIZHOU MEDICAL UNIV

Traditional Chinese medicine composition formed by ginkgo biloba extract and application thereof to preparation of Shuxuening parenteral solution

The invention discloses a traditional Chinese medicine composition formed by ginkgo biloba extract. The traditional Chinese medicine composition is prepared from, by mass, 24-40% of gingko total flavone, 6-16% of bilobalide, and ginkgolic acid with the amount smaller than 5 ppm. Preferably, the traditional Chinese medicine composition is further prepared from 1-1.68% of quercetin-3-O-glucoside and 2.11-3.53% of quercetin-3-O-2'',6''-dirhamnose glucoside. Preferably, the traditional Chinese medicine composition is further prepared from 1.4-3% of bilobalide A, 0.9-1.8% of bilobalide B and 1.2-1.3% of bilobalide C. Quercetin-3-O-glucoside and quercetin-3-O-2'',6''-dirhamnose glucoside having an important influence on the medicine are definite, the content of quercetin-3-O-glucoside and the content of quercetin-3-O-2'',6''-dirhamnose glucoside are accurately defined as 1-1.68% and 2.11-3.53%, furthermore, biobalide A is clearly defined as 1.4-3%, biobalide B is clearly defined as 0.9-1.8% and biobalide B is clearly defined as 1.2-1.3%. By making the content of the effective components in the ginkgo biloba extract to be accurate and further affirming the effective components, efficacy of the ginkgo biloba extract is improved.
Owner:北京华润高科天然药物有限公司

Compound preparations for treating hypertension and method for preparing the same

The present invention discloses one kind of hypertension treating compound preparation and its preparation process. The compound preparation includes one tablet core containing diuretic in effective treating amount and pharmaceutically acceptable carrier, and one coating containing telmisartan in effective treating amount and pharmaceutically acceptable carrier. The content of diuretic is 1.5-10 wt% of the tablet core, and that of telmisartan is 3.5-25 wt% of the coating. The compound preparation is prepared through preparing the tablet core pellet and the coating pellet separately with medicine material and supplementary material and the subsequent pressing the coated tablet in a rotary coating machine. The hypertension treating compound preparation has reliable and safe blood pressure reducing effect and high stability.
Owner:湖北丝宝药业有限公司

Method for controlling antiviral oral liquid

A quaility control method for the antiviral oral liquid features that on the basis of existing quality control standards, the gas-phase chromatography method is additionally used to measure the content for patchoulic alcohol to ensure that it is not less than 10 micrograms per 10 ml.
Owner:GUANGZHOU XIANGXUE PHARMA CO LTD

Preparation method and applications of dehydro-lincomycin-free lincomycin hydrochloride

The invention relates to a preparation method and applications of dehydro-lincomycin-free lincomycin hydrochloride, which belong to the field of medical technologies. The preparation method disclosed by the invention comprises the following steps: dissolving dehydro-lincomycin-containing lincomycin hydrochloride serving as a raw material into water or an aqueous alcohol solution; adding palladium on carbon accounting for 1 / 10-1 / 200 of the amount of the raw material, and simultaneously stirring and introducing hydrogen into the obtained mixture to react for 1-48 hours, so that dehydro-lincomycin is all reacted to generate lincomycin; and crystallizing lincomycin. According to the preparation method, dehydro-lincomycin in lincomycin hydrochloride has a chemical reaction to generate lincomycin hydrochloride, so that dehydro-lincomycin in the raw material is completely removed; and the raw material can be used for preparing a dehydro-lincomycin-free lincomycin hydrochloride preparation, reducing the impurities in pharmaceutical products, and improving the quality of pharmaceutical products.
Owner:GUANGZHOU BAIYUSN TIANXIN PHARMA

Highly-pure tacrolimus compound and preparation method thereof

The invention relates to the technical field of medicine purification, and discloses a highly-pure tacrolimus compound and a preparation method thereof. The method comprises the following steps: preprocessed crude tacrolimus undergoes silver-containing polymer resin column chromatography elution, the above obtained eluate is concentrated, and the above obtained concentrate is re-crystallized to obtain highly-pure tacrolimus. The method has the advantages of simplicity in large-scale production operation, small use amount of a solvent, short production period, low cost and environmental protection; and an HPLC detection result shows that ascomycin and dihydrotacrolimus which are most difficult to separate in the crude tacrolimus are completely removed. The normalization purity of tacrolimus is 99% or above, and obtained tacrolimus crystals have the characteristics of uniform particle size distribution, small internal stress and bulk density, and good stability, fluidity, dispersibility and dissolvability. The quality and the medication safety of tacrolimus are improved.
Owner:HANGZHOU ZHONGMEI HUADONG PHARMA

Medicament composition for treating colpitis symptoms and preparation method thereof

The invention relates to a drug combination for curing the inflammation of vagina, which adopts the form of a foaming agent, in particular to a foaming agent with the principle agents being metronidazole, clotrimazole and chlorhexidine acetate. The drug combination has the advantages of even distribution, wide coating area and better effect in the vagina by adopting the form, and meanwhile, the drug combination feels more comfortable and has stronger retention property than other forms. In the formula of the foaming agent, the drug combination can permeate into the mucosal folds of the vagina rapidly and effectively by dispersing atomizing particles with the particle diameter being a few micrometers in a foaming manner under the action of pressure; the drug combination has higher absorption rate than the spraying agent with water being the only solvent with the assistance from various fat-soluble auxiliary materials; the drug contamination and the cross contamination are avoided during the administration; the invention has the advantages that the curative effect is fully produced, the administration is sanitary, convenient, safe and reliable without causing the foreign body sensation, and the drug combination is easily accepted by patients; and the invention further has the advantages of drug stability, form stability and long effective duration.
Owner:YANGTAI PHARMA SHANDONG

Chinese medicinal compound suppository for treating endometritis of livestock and preparation method thereof

The invention relates to a traditional Chinese medicine, in particular to a Chinese medicinal compound suppository for treating endometritis of livestock and a preparation method thereof. The Chinese medicinal compound suppository is prepared by mixing 1 to 2 parts of golden thread, 1 part of cortex phellodendri, 1 part of lightyellow sophora root, 1 to 2 parts of leonurus heterophyllus, 1 to 2 parts of safflower, 1 to 2 parts of Chinese angelica, 1 part of astragalus and a suppository matrix. The method for preparing the Chinese medicinal compound suppository for treating the endometritis ofthe livestock comprises the following steps of: extraction of active ingredients of each traditional Chinese medicine, concentrating, drying, pulverizing and preparation of the suppository. The suppository has the advantages of pure Chinese medicinal preparation, no problem of antibiotic residues, stable medicinal quality and easy carrying and storage. For the acute endometritis and hidden endometritis of dairy cattle, the two Chinese medicinal suppositories are put into uteruses once every other day, and after the Chinese medicinal suppositories are used continuously for three times, the curative rate reaches 83 percent; and for the hidden endometritis of the dairy cattle during oestrum, the two suppositories are dissolved in 50 milliliters of physiological saline to perform the treatment of intrauterine administration, the suppositories are used once every other day and are used continuously for three times, and the curative rate reaches 62.5 percent.
Owner:NINGXIA UNIVERSITY

Traditional Chinese medicine composition for treating leucopenia caused by cancer chemotherapy and preparation method thereof

The invention relates to a traditional Chinese medicine composition for treating leucopenia caused by cancer chemotherapy and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine preparations. According to the technical scheme, the traditional Chinese medicine composition is prepared from the following raw material medicines in parts by weight: 15-90 parts of astragalus membranaceus, 10-70 parts of ox horn bone, 15-60 parts of caulis spatholobi, 15-60 parts of hairyvein agrimony and 10-50 parts of pine nodular branch. The astragalus membranaceus is used as the monarch, the ox horn bone is used as the minister, the caulis spatholobi and the hairyvein agrimony are used as the assistant, and the pine nodular branch is used as the minister, which is in line with the theory of traditional Chinese medicine in treating asthenia. The invention also aims to provide a preparation method of the traditional Chinese medicine composition. The traditional Chinese medicine composition can also be added with pharmaceutically acceptable carriers, and the carriers comprise but are not limited to excipients, flavoring agents, filling agents, adhesives, wetting agents, disintegrating agents and lubricating agents. Clinical embodiments show that the traditional Chinese medicine preparation disclosed by the invention is a medicine for treating leucopenia caused by cancer chemotherapy, which is reliable in curative effect, safe and effective, and is worthy of further popularization.
Owner:JIANGSU PROVINCE INST OF TRADITIONAL CHINESE MEDICINE +1

Traditional Chinese medicine composition for treating leukopenia caused by cancer chemotherapy and preparation method thereof

The invention relates to a traditional Chinese medicine composition for treating leukopenia caused by cancer chemotherapy and a preparation method thereof, belonging to the technical field of traditional Chinese medicine preparations. The adopted technical scheme is prepared from the following raw materials: 15-90 parts of Astragalus membranaceus, 10-70 parts of ox horn gills, 15-60 parts of Gallatia chinensis, 15-60 parts of Agrimony, and 10-50 parts of turpentine share. In the prescription, Astragalus is the king, ox horn and gills are the ministers, galanthus and Agrimony are the ministers, and the pine knot is the minister, which is in line with the theory of traditional Chinese medicine for treating consumptive labor. Another object of the present invention is to provide a preparation method of the traditional Chinese medicine composition of the present invention. The traditional Chinese medicine composition of the present invention can also be added with pharmaceutically acceptable carriers, which include but are not limited to excipients, flavoring agents, fillers, binders, wetting agents, disintegrating agents and lubricants. Clinical examples show that the traditional Chinese medicine preparation of the present invention is a reliable, safe and effective medicine for treating leukopenia caused by cancer chemotherapy, and is worthy of further promotion.
Owner:JIANGSU PROVINCE INST OF TRADITIONAL CHINESE MEDICINE +1

Preparation technology of captopril tablets

The present invention discloses a preparation technology of captopril tablets. The tablets are prepared from the following components in weight percentages: captopril, a filler, a disintegrant, a lubricant and an adhesive. Weighing, screening and mixing are conducted, compressable auxiliary materials are used and direct tableting is conducted to prepare the captopril tablets. The preparation technology reduces the content of hydrolyzed impurity captopril disulfide in the captopril, improves the dissolution rate, and is simple, cost-saving, good in stability, etc.
Owner:仁和堂药业有限公司
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