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607results about How to "Avoid first pass effect" patented technology

Inhalation spray of antivirus medicines

The invention relates to an inhalation spray of antivirus medicines. The inhalation spray comprises the following components in percentage by mass of 0%-30% of antivirus activity agents, 0%-30% of auxiliary agents, 0%-30% of taste masking agents and the balance solvents, wherein the content of the antivirus activity agents and the content of the auxiliary agents are not 0% at the same time. Compared with the prior art, the inhalation spray disclosed by the application has the purpose that during outbreak period of epidemic corona viruses and other viruses, people do not need to occupy medicalresources in short supply and only need to inhale the antivirus medicines into respiratory tracts, medicine administration is accurately targeted, and the objective of preventing virus infection and propagation can be achieved; in addition, through united medication of the antivirus activity agents and the auxiliary agents, besides, various medicines are inhaled into the respiratory tract of a patient, synergistic treatment effects are generated, the viruses are eliminated, and serious respiratory tract and infection and serious pulmonary infection caused by the viruses can be treated; and chloroquine type antivirus medicines and macrocyclic antibiotics are inhaled through spraying for united medication, and the dosage of the medicines can be notably reduced, so that side effects of prolonged QT intervals, Tdp and sudden cardiac death caused by the medicines can be reduced.
Owner:宁波合康生物医药科技有限公司

Ozagrel liposomes and preparation method thereof

The invention provides an ozagrel liposome and a preparation method thereof. The Ozagrel liposome consists of ozagrel which is an active substance, lipid used for preparing the liposome, a buffer solution and a propping agent. The preparation method can improve the stability of the ozagrel and is characterized by high drug-load rate and good stability. Experiments prove that the ozagrel liposome prepared by the preparation method of the invention can prolong the in-vivo retention time of the ozagrel which is the active substance, avoid first pass effect, enhance the targeting performance of the ozagrel liposome to blood platelets and endothelial cells in blood vessels, improve curative effect and increase the adaptability of patients, has simple preparation process and low cost and is suitable for industrialized large scale production.
Owner:李淑斌

Tripterine nano structure lipid carrier and preparation method and application thereof

The invention relates to the field of Chinese medicine preparation, in particular to a method for preparing tripterine nano structure lipid carrier containing traditional Chinese medicine monomer and application of the tripterine nano structure lipid carrier in preparation of transdermal drugs used for treating psoriasis, rheumatoid arthritis, skin cancer and breast cancer. The tripterine nano structure lipid carrier is characterized by comprising the following components in parts by weight: 1 part of tripterine, 5-100 parts of mixed lipid, 0.5-10 parts of phospholipid, 0.1-15 parts of poloxamer-188 and 0.5-10 parts of vitamin E and tocopherol polyethylene glycol succinate, wherein the mixed lipid is composed of solid lipid monoglycerine and liquid lipid octylic acid/caprin according to the weight ratio of 1: 0.1-10: 1. Tripterine is prepared into the nano structure lipid carrier, the tripterine nano structure lipid carrier in a semi-solid or liquid preparation form is applied in a transdermal way, bioavailability of the tripterine can be improved, toxic response of tripterine can be reduced, and the nano structure lipid carrier provided by the invention has great clinical application value in the improvement of the treatment effect of tripterine.
Owner:JIANGSU PROVINCE INST OF TRADITIONAL CHINESE MEDICINE

Enteric-coated tilmicosin sustained release microcapsule and preparation method thereof

The invention discloses an enteric-coated tilmicosin sustained release microcapsule and a preparation method thereof, and belongs to the field of tilmicosin preparations. The enteric-coated tilmicosin sustained release microcapsule is prepared from 10wt%-50wt% of raw tilmicosin powder, 40wt%-88wt% of an auxiliary fatty powder material and 2wt%-10wt% of an enteric coating material, wherein the enteric coating material is prepared from one or more of cellulose acetate phthalate, hydroxypropyl methylcellulose phthalate, L-type acrylic resin, S-type acrylic resin, polyvinyl acetate phthalate and hydroxypropyl methylcellulose acetate succinate; the diameter of the prepared microcapsule is 50-200 mu m. The preparation method comprises the steps as follows: the raw tilmicosin powder and the auxiliary material are subjected to primary coating, are subjected to secondary coating with the enteric coating material and then are dried, and a finished product is obtained. According to the enteric-coated tilmicosin sustained release microcapsule and the preparation method thereof, the sustained release purpose is achieved, the acting time of tilmicosin is prolonged, the fluidity and the dispersity of a drug are improved, the pharmacodynamical function is remarkably improved, and the dosage of the drug is reduced.
Owner:GUANGZHOU GREAT BIOLOGICAL TECH

Gel binder for treating swelling and pain and its preparation method

The invention relates to a compound preparation of an external use pharmaceutical composition for treating swelling and pain, which is a gel binder for treating swelling, and also provides its preparation method. The gel binder is prepared by 20-50% of swelling and pain medicine of the external use pharmaceutical composition for treating swelling and pain as well as proper pharmaceutical excipients. The gel binder for treating swelling is composed of a back lining layer, an ointment-containing body and a cover lining layer. The ointment-containing body, namely the kernel part, is prepared from the swelling and pain medicine, a basic polymer, a cross-linking agent, an organic acid, an excipient, a humectant, an adhesive and the like in certain ratio. The gel binder has the advantages of fast effect, good moisture preservation, high permeability and comfortable use. The product has merits of convenient usage, small irritation on skin and high compliance of patients.
Owner:YUNNAN INST OF MATERIA MEDICA

Novel levo-carnitine hydrogel patch and preparation method thereof

InactiveCN102697755AGood compatibilityLarge drug loading capacity in matrixOrganic active ingredientsSexual disorderDrugLesion site
The invention discloses novel levo-carnitine hydrogel patch and a preparation method thereof. According to the hydrogel patch, levo-carnitine is used as an active ingredient of medicines. The levo-carnitine hydrogel patch consists of a medicine-containing matrix layer, a backing layer and a protective layer, wherein the medicine-containing matrix layer comprises the levo-carnitine, a hydrogel matrix, a transdermal enhancer and a filling agent, wherein a mass ratio of the levo-carnitine to the hydrogel matrix is 1:(20-300), the transdermal enhancer accounts for 1 to 2 mass percent of the mass of the hydrogel matrix, and a tackifier accounts for 1 to 5 mass percent of the mass of the hydrogel matrix. According to the levo-carnitine hydrogel patch, the medicines can be released stably by the specific transdermal enhancer used by the levo-carnitine, and the accumulative transit dose within 12 hours can reach 900 ug.cm<-2>. Simultaneously, the characteristics of the direct administration and multi-component and large-dose administration of lesion sites can be achieved, and the compliance of the long-term administration of patients is improved; and the using effect of the levo-carnitine hydrogel patch is obviously superior to that of other conventional preparations of the levo-carnitine.
Owner:EAST CHINA UNIV OF SCI & TECH

Rhizoma Gastrodiae nasal gel preparation

The invention relates to a gastrodin gel administrating by nasal cavity, which is composed of main medicine gastrodin and proper watercraft gel matrix and other additive medicine. The inventive gel can be adhered on the mucous membrane surface and extend the resorting period in the nasal cavity after administration. The released medicine can not only be absorbed into the blood circulation from mucous membrane, but also into the brain from the olfactory system, bypassing the blood-brain barrier to better do a treatment as gastrodin. The invention provides a new gastrodin without mucous membrane cilia toxicity has a high bioavailability, a strong patent compliance, a good stability and a simple production process and can be used for the treatments such as headache, blackout, neurasthenia and etc.
Owner:KPC PHARM INC

Capparis spinosa fruit gel ointment, production method thereof, and application thereof to antirheumatic medicaments

The invention relates to capparis spinosa fruit gel ointment, a production method thereof, and application thereof to antirheumatic medicaments. The capparis spinosa fruit gel ointment comprises a backing layer, a medicament-containing ointment body and a covering layer protective film, wherein the medicament-containing ointment body is prepared from the following raw materials: a medicinal part of the capparis spinosa and a medicinal excipient; a covering material of the covering layer protective film is one of release paper, a plastic film, a polyester, an aluminum foil-polyethylene composite film and hard gauze; and a backing material of the backing layer is one of cotton cloth, non-woven fabric and chemical fiber cloth. The apparis spinosa fruit gel ointment provided by the invention substitutes the apparis spinosa fruit serving as a medicament for the traditional root bark, so the contradiction between the resource utilization of the apparis spinosa medicinal plants and ecological protection is solved. More importantly, the apparis spinosa fruit gel ointment provided by the invention solves the problems of irritability and hypersensitivity caused by the clinical application of the traditional formulation and administration way of the apparis spinosa, and has the characteristics of long action time, high moisture retention, high air permeability, avoidance of the first pass effect of livers, using comfortableness and high compliance of patients.
Owner:XINJIANG INST OF MATERIA MEDICA

Granisetron cataplasm and its prepn

The present invention relates to medicine technology, and is Granisetron cataplasm as 5-HT3 receptor agonist in new form. Granisetron is applied clinically in preventing and treating nausea, vomiting, etc caused by cytotoxicity treatment, and available Granisetron preparation forms have some demerits. The present invention prepares Granisetron into cataplasm with the hydrochloride or free alkali of Granisetron as main medicine component and some supplementary materials. The Granisetron cataplasm with transdermal administration has no first pass effect, reduced and constant systemic blood medicine concentration, less side effect, raised compliance and other advantages.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY

Preparation method of capsicine micro spheres

The invention discloses a preparation method of capsicine micro spheres, which comprises the following steps: (1) dissolving capsicine and carrier materials into an organic solvent to obtain an oil phase according to the mixing ratio of 100 to 250 mg/27 to 100 mg/2 to 5 mL; (2) dissolving emulsifying agents into water as a water phase, wherein the concentration of the emulsifying agents in the water phase is between 5 and 30 mg/mL; and (3) adding the oil phase into the water phase for forming oil-in-water latex emulsion according to the volume ratio of 1/20 to 1/40 under the conditions of the temperature between 20 and 30 DEG C and the stirring speed between 500 and 1200 rpm, continuously stirring the oil-in-water latex emulsion for volatilizing the organic solvent, carrying out centrifugation for collecting micro spheres, washing the micro spheres by distilled water, and preparing the capsicine micro spheres through freeze drying. The capsicine micro spheres prepared by the method of the invention can be made into various slow-release preparations, the stimulation of the capsicine can be reduced, and the medicine concentration can be maintained for a long time, so the medication times can be reduced, the toxic and side effect can be reduced, and the adaptability of patients can be improved.
Owner:LOGISTICS UNIV OF CAPF

Chinese medicinal fuming-steaming composition for treating arthralgia syndrome, and guiding medicament thereof

The invention relates to a Chinese medicinal fuming-steaming composition and a guiding medicament used in conjunction with the same. The fuming-steaming composition comprises angelica, corydalis tuber, unprocessed radix aconite, unprocessed kusnezoff monkshood roots, garden balsam stems, common threewingnut roots, atractylodes, Chinese alangium roots and other raw medicinal materials. The guidingmedicament of the Chinese medicinal fuming-steaming composition is an alcohol or high-alcohol-content white spirits extract of safflowers, asarum, white mustard seeds, atractylodes, common threewingnut roots, divaricate saposhnikovia roots, clematis roots, doubleteeth pubescent angelica roots, notopterygium roots, homalomena rhizoma and anisetree bark. The composition is reasonable in prescriptions, and uses two prescriptions together to play a good role in strengthening healthy energy, dispelling rheumatism and stopping arthralgia syndrome. The guiding medicament as a pioneer medicament has the effects of promoting blood circulation, opening pores, guiding medicinal properties, assisting in efficacy and promoting medicinal potential, leads a large number of Chinese medicinal effective components evaporated from the fuming-steaming composition to directly penetrate skin, apertures, meridian points and the like through permeation, absorption, diffusion and other ways, enter skin grain,internal organs and directly reach lesion sites so as to clear skin grain, warm channels, expel cold, clear meridians, promote blood circulation, remove blood stasis, activate collaterals, relieve pain, eliminate carbuncle swellings and kill pathogenic toxins, and has satisfactory therapeutic effects on arthralgia syndrome in Chinese medicament.
Owner:韩雪海
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