Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

43 results about "Trelagliptin succinate" patented technology

Trelagliptin (Zafatek) is a pharmaceutical drug used for the treatment of type 2 diabetes (diabetes mellitus). Indications. It is a highly selective dipeptidyl peptidase-4 inhibitor that ... Formulated as the salt trelagliptin succinate, it was approved for use in Japan in March 2015.

Oral tablet containing trelagliptin succinate and preparation method thereof

The invention provides an oral tablet containing trelagliptin succinate and a preparation method thereof. The tablet do not contain flow aids such as micro-powder silica gel and comprises 35-50 percent by weight of trelagliptin succinate, the trelagliptin succinate tablet cores are prepared by tabletting trelagliptin succinate granules and lubricating agents, and filling agents only exist in the tabletting trelagliptin succinate granules. The trelagliptin succinate tablet prepared by the method disclosed by the invention is stable and controllable in quality, the poor phenomena such as low liquidity in the granulation process and phenomena such as sticking, adhesion, tablet capping and layering during tabletting are avoided, and the oral tablet is suitable for commercialized production.
Owner:ZHEJIANG HUAHAI PHARMACEUTICAL CO LTD

Analytic method for related substances in raw materials and preparation of trelagliptin succinate

The invention discloses an analytic method for related substances in raw material and a preparation of trelagliptin succinate. A high performance liquid chromatography is adopted, and chromatographic conditions include that a chromatographic column is octadecyl silane bonded silica gel chromatographic column, the mixed solution with the pH of 3.3-3.7 and the volume ratio of phosphate buffer aqueous solution to acetonitrile of (88-92):(8-12) is taken as a mobile phase A, the mixed solution with the pH of 3.3-3.7 and the volume ratio of phosphate buffer aqueous solution to acetonitrile of (18-22):(78-82) is taken as a mobile phase B, detection wavelength is 218-222nm and isocratic elution is carried out. The analytic method disclosed by the invention can detect many impurities and can rapidly, effectively and accurately monitor the related substances in trelagliptin succinate.
Owner:合肥拓锐生物科技有限公司

Method for separating and analyzing trelagliptin succinate and preparation related substances thereof

InactiveCN106290596AEfficient separationGood elution separation effectComponent separationStationary phaseOrganic solvent
The invention discloses a method for separating and analyzing trelagliptin succinate and preparation related substances thereof. According to the method, the chromatographic conditions comprise that an octadecyl bonded silica gel is adopted as a stationary phase, a buffer liquid is adopted as a mobile phase A and an organic solvent is adopted as a mobile phase B to carry out gradient elution, and the gradient elution conditions comprise that the mobile phase A is 85-50 (V%) and the mobile phase B is 15-50 (V%) at the time of 0-10 min, the mobile phase A is 50 (V%) and the mobile phase B is 50 (V%) at the time of 25-30 min, and the mobile phase A is 85-50 (V%) and the mobile phase B is 15-50 (V%) at the time of 31-35 min; the sample solution preparation comprises that the sample to be detected is prepared into the sample solution by using the mobile phase A; and separating and analyzing are performed, wherein the sample solution is injected into a high performance liquid chromatography so as to complete the detection of the trelagliptin succinate and the preparation related substances thereof. With the method of the present invention, the trelagliptin and the related substances can be rapidly and effectively separated under the same chromatographic conditions. The detection method of the present invention has advantages of high specificity, high precision, strong accuracy, convenient operation, and effective control of drug quality.
Owner:WATERSTONE PHARMA WUHAN

Method for refining trelagliptin succinate

The invention provides a method for refining trelagliptin succinate, wherein the method includes a dissolution step and a crystallization and separation step; the dissolution step comprises the steps of under a condition of the temperature of 30-70 DEG C, mixing a trelagliptin succinate crude product, water and an organic solvent to make the trelagliptin succinate crude product dissolved; the volume ratio of water to the organic solvent is 1 to (5-15), and the organic solvent is selected from at least one of methanol, propanol, acetone, ethanol and isopropanol. The method is used for recrystallization of the trelagliptin succinate crude product, the experimental period is short, the purification yield can be improved, and impurities also can be effectively removed; the obtained trelagliptin succinate has high purity, the purity is more than 99.9% through HPLC detection, and the product quality and the drug use safety are improved significantly.
Owner:NANJING VARSAL MEDICINE TECH DEV

Tablet containing trelagliptin or trelagliptin succinate and preparation method of tablet

The invention relates to a tablet containing trelagliptin or trelagliptin succinate and a preparation method of the tablet, and belongs to the technical field of medicine preparations. The tablet can be singly used or jointly used together with other oral hypoglycemic agents, and is suitable for a patient with Type II diabetics. The tablet contains the trelagliptin or the trelagliptin succinate, a thinner, an adhesive, a disintegrant and a lubricant. The preparation method of the tablet containing the trelagliptin or the trelagliptin succinate comprises the following steps of (1) obtaining of medicine particles: uniformly mixing the trelagliptin or the trelagliptin succinate, the disintegrant and / or the thinner, adding a proper amount of adhesive, and granulating, so as to obtain the medicine particles; (2) obtaining of tabletting particles: uniformly mixing the medicine particles, the lubricant, the disintegrant and / or the thinner, so as to obtain the tabletting particles; (3) compression and forming: compressing and forming the tabletting particles by proper equipment. The tablet containing the trelagliptin or the trelagliptin succinate has the advantages that the dissolvability is good, the stability is good, the technology operation is simple and convenient, and the like; the technology is simple, the repeatability is good, and the tablet is especially suitable for industrial production.
Owner:BEIJING SHENLANHAI BIO PHARM TECH

Trelagliptin succinate tablets

The invention provides trelagliptin succinate tablets and a preparation method thereof. The trelagliptin succinate tablets contain the following components in parts by weight: 64.0%-78.2% of trelagliptin succinate, 3.7%-5.0% of cross-linking sodium cellulose glycolate, 2.2%-5.0% of hydroxypropyl cellulose, 6.8%-25.1% of mannitol, 6.8%-15.2% of microcrystalline cellulose and 0.1%-5% of sodium stearoyl fumarate. The invention aims at providing the trelagliptin succinate tablets with even quality, high disintegration speed, good digestion degree, small tablet weight, simple production process, easy operation and suitability for industrial production.
Owner:中山万远新药研发有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products