32 results about "Bexarotene" patented technology

This invention describes the administration of multiple therapeutic agents with insulin in conjunction with bexarotene, ketamine, monoclonal antibodies Etanercept, IGF-1, and acetylcholine esterase inhibitors physostigmine, for treatment of Alzheimer's disease and other neurodegenerative diseases. Insulin, improves memory; also augments and amplifies the effects of the adjuvant therapeutic agents (paracrine and intracrine effects) and consequently reduces the β amyloid, its soluble precursors, prevents damage to the neuronal skeletal network (taupathy), and blocks glutamate excitotoxicity, reduces brain inflammation, prevents apoptosis, and increases the acetylcholine levels in the neurons and synapses; by using a combination of insulin, bexarotene, ketamine, Etanercept, IGF-1, and physostigmine therapeutic agents. The results are achieved by using the specially designed Iontophoresis incorporated olfactory mucosal delivery (ORE) catheter device located at the olfactory nerves, sphenoid sinus, and adjacent structures described here, to transport the large molecules of therapeutic agents to treat AD delivered to the CNS bypassing BBB from ORE.

The present invention describes genomic biomarkers that have been discovered to correlate with varied individual responses (efficacy, adverse effect, and other end points) to therapeutic retinoid X receptor modulator, such as bexarotene, in treating diseases such as, non small cell lung cancer. The newly discovered biomarkers and others in linkage disequilibrium with them can be used in companion diagnostic tests which can help to predict drug responses and apply drugs only to those who will be benefited, or exclude those who might have adverse effects, by the treatment.

The invention belongs to the technical field of medicine and discloses bexarotene hydroximic acid as well as a preparation method and application thereof. The formation of the compound is as shown in the picture and the objective compound is prepared mainly by taking 1,1,4,4,6- pentamethyl-1,2,3,4-tetrahydronaphthalene as the initial material through the steps of Friedel-Crafts acylation, Wittig reaction and condensation reaction. The method is simple in operation, convenient in post-processing and high in yield. The objective compound has good inhibitory action on various cancer cells by the multiple action mechanisms of bonding the retinoic acid X receptors and restraining the histone deacetyltransferases, and the anti-cancer activity of the bexarotene hydroximic acid is obviously better than that of bexarotene. Therefore, the bexarotene hydroximic acid can be applied to treatment of cancers.

The invention discloses vitamin A compound and paeonol condensed derivatives and a preparation method. The vitamin A compound and paeonol condensed derivatives include derivatives in structures I-VII shown as follows; a structure I is ester formed by paeonol and all-trans retinoic acid; a structure II is ester formed by paeonol and 13-cis-retinoic acid; a structure III is ester formed by paeonol and acitretin; a structure IV is ester formed by paeonol and 9-cis-retinoic acid; a structure V is ester formed by paeonol and adapalene; a structure VI is ester formed by paeonol and tazarotene; a structure VII is ester formed by paeonol and bexarotene. By the vitamin A compound and paeonol condensed derivatives and the preparation method, irritation of vitamin A compounds to skin mucosa is relieved; after application to skin, the vitamin A compounds and paeonol are released under the action of hydrolase to dissolve cutin, promote epithelial cell differentiation and the like so as to realize anti-inflammatory and anti-oxidation functions.

An object of the present invention is to provide a medicine that can simply treat and/or prevent a retinal degenerative disease associated with photoreceptor degeneration, including retinitis pigmentosa. The solution is to provide an agent for treating and/or preventing a retinal degenerative disease associated with photoreceptor degeneration, containing a compound having a retinoic acid receptor agonistic activity (for example, tamibarotene, tamibarotene methyl ester, tamibarotene ethyl ester, tazarotene, tazarotenic acid, adapalene, palovarotene, retinol, isotretinoin, alitretinoin, etretinate, acitretin or bexarotene) or a salt thereof.

The invention discloses a bexarotene conjugate, a drug composition and application thereof. The drug composition comprises the bexarotene conjugate or a medicinal composition of the bexarotene conjugate and a pharmacodynamics acceptable carrier and is a liquid preparation, a solid preparation, a semi-solid preparation, a capsule preparation, a granule preparation, a gel preparation and an injection preparation. The drug composition is nano granules or lipidosome prepared by the bexarotene conjugate or the bexarotene conjugate and additives, and the particle size is 10 to 1000 nm. The bexarotene conjugate and the nano granules thereof can be used as liquid preparations, solid preparations, semi-solid preparations, sterilized preparations and sterile preparations, are low in toxicity and can be used for treating tumors and treating or preventing alzheimer diseases.

The invention discloses a bexarotene and polyvinylpyrrolidone co-amorphous substance as well as a preparation method, a composition and application thereof. Specifically, the invention discloses a newco-amorphous form formed by bexarotene and polyvinylpyrrolidone. The invention discloses a method for preparing a bexarotene and polyvinylpyrrolidone co-amorphous form. The invention discloses application of bexarotene and polyvinylpyrrolidone co-amorphous form serving as an active pharmaceutical ingredient in the preparation of drugs for preventing and treating glioma, skin T-cell lymphoma, breast cancer, psoriasis, Kaposi's sarcoma, lung cancer and Cushing's disease.

The invention relates to a bexarotene sustained-release implant capability of curing solid tumors, such as lung cancer, esophageal cancer, gastric cancer, liver cancer, breast cancer, ovarian cancer, prostatic cancer, bladder cancer, colon cancer and rectum cancer. The invention is characterized in that: the sustained-release implant comprises bexarotene, sustained-release excipient and a certain amount of sustained-release regulator; the amount of the bexarotene and sustained-release excipient is sufficient to control cancer; the sustained-release excipient is mainly one or the combination of the copolymer of glycolic acid and hydroxyacetic acid, polifeprosan, poly (L-lactide-co-ethyl phosphate) and poly (L-lactide-co-propyl phosphate); the bexarotene can be released slowly into part of the tumor during the degradation and adsorption, significantly reducing the systemic toxicity and sustaining the effective medicine concentration simultaneously. The invention has the advantages that: the systemic toxicity of bexarotene can be significantly reduced; the effective medicine concentration can be improved selectively at part of the tumor, and the therapeutic effects of non-operative treatments such as chemotherapeutic drugs and radiotherapy can be reinforced.

This disclosure relates to compositions and methods for treating cancer. Specifically, this disclosure relates to bexarotene derivatives, methods for treating cancer, autoimmune disorders, and/or skin dermatitis, and/or methods for increasing peripheral blood counts and/or improving immune system function.

The invention discloses a bexarotene and ligustrazine eutectic crystal as well as a preparation method, a composition and application thereof. Specifically, the invention discloses a new bexarotene and ligustrazine eutectic crystal, which takes bexarotene as a medicinal active ingredient and ligustrazine as a eutectic crystal precursor. The invention discloses a preparation method of the bexarotene and ligustrazine eutectic crystal. The bexarotene and ligustrazine eutectic crystal is used as a pharmaceutical active ingredient and is applied to preparation of drugs for preventing and treating glioma, skin T-cell lymphoma, breast cancer, psoriasis, Kaposi's sarcoma, lung cancer and Cushing's disease.

The invention discloses an application of Bexarotene in preparation of a medicine for resisting pituitary adrenocorticotropic hormone adenoma, the pituitary adrenocorticotropic hormone adenoma enables a patient to excessively secrete corticotropin (ACTH) for a long time, and the adrenal gland is stimulated to secrete a large amount of cortisol, so that symptoms such as centripetal obesity, osteoporosis, amyotrophy, sexual dysfunction, hypertension, insomnia and the like of patients, which belong to rare diseases, can be caused. The Bexarotene can significantly inhibit tumor growth and inhibit ACTH secretion and expression of a precursor POMC of ACTH. The Bexarotene can be used for preparing the medicine for resisting pituitary adrenocorticotropic hormone adenoma, adverse reactions are reduced, and a safe, effective and economical solution is provided for treatment and prevention of diseases.

The invention relates to an application of bexarotene (4-[1-(5, 6, 7, 8-tetrahydro-3, 5, 5, 8, 8-pentamethyl-2-naphthyl) vinyl] benzoic acid) or/and a pharmaceutically acceptable salt thereof in preparation of anti-pulmonary arterial hypertension drugs. The chemical structural formula of bexarotene is shown as a formula I in the specification. According to the application, rat pulmonary artery smooth muscle cells are adopted for investigating the smooth muscle cell proliferation and migration inhibiting effect of bexarotene, and the result shows that bexarotene can obviously inhibit PASMCs proliferation and migration. The monocrotaline-induced rat pulmonary arterial hypertension model is adopted to investigate the anti-pulmonary arterial hypertension vascular remodeling of the bexarotene,and the result shows that the oral administration of the bexarotene can significantly inhibit the increase of the pulmonary arterial pressure and the right ventricular systolic pressure of rats, significantly reduce the NT-proBNP level in the rat plasma, can obviously inhibit thickening of pulmonary artery intima media and reduce the narrow level of pulmonary arteriole lumens, and a safe, effective and economical solution is provided for prevention and treatment of pulmonary arterial hypertension and pulmonary vascular remodeling.

The invention relates to a preparation method of a key intermediate 4-[(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-2-naphthalene)methoxyl]methyl benzoate (5) of new anti-cancer medicine bexarotene. The method comprises the steps that an intermediate 1,1,4,4,6-pentamethyl-1,2,3,4-tetrahydronaphthalene (4) and commercially available chemical materials of mono-methyl terephthlate, chlorinating agents of thionyl chloride or oxalyl chloride or the like and solvents of aluminum chloride, dichloromethane and the like are directly subjected to a one-step reaction, and the intermediate (5) is obtained. Please see the formula in the description. According to the preparation method of the key intermediate 4-[(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-2-naphthalene)methoxyl]methyl benzoate (5) of the new anti-cancer medicine bexarotene, the reaction step is simplified, the raw materials are easy to obtain, the reaction condition is mild, the reaction yield is up to 95% (The literature method yield is 70%.), the product purity is larger than or equal to 98%, the step of preparing methoxycarbonyl benzoyl chloride through virulent phosphorus pentachloride in a literature method is omitted, a virulent and explosive chemical reagent nitromethane used for a stable reactant is removed, the production cost is reduced, the production process is simplified, and the preparation method is very suitable for industrialized mass production.

The invention discloses a medicine composition comprising bexarotene, and a preparation method and a purpose of the medicine composition. Concretely, the invention discloses the medicine composition comprising the bexarotene, the preparation method of the medicine composition, and application of the medicine composition comprising the bexarotene as a medicine active ingredient to preparation of medicine for preventing and treating glioma, skin T-cell lymphoma, breast cancer, psoriasis, Kaposi's sarcoma, lung cancer and Cushing's diseases.

The invention discloses a method for determining enzyme dissolution of a bexarotene softgel. The method mainly comprises preparation of a dissolution medium, preparation of a tested solution, preparation of a contrast solution and determination. The method can more effectively reflect dissolution and release in the enzyme dissolution of bexarotene softgel, overcomes the problem of reduction of in-vitro release degree due to gelatin crosslinking in the capsule material, and can objectively reflect the practical dissolution and the preparation quality of the softgel.