JP2011116733A - Loxoprofen-containing pharmaceutical preparation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pharmaceutical preparation that is excellent in shelf stability and contains loxoprofen or a salt thereof and codeines. <P>SOLUTION: The pharmaceutical preparation contains loxoprofen or a salt thereof, codeines and a dessicant in a container. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a pharmaceutical preparation comprising loxoprofen or a salt thereof and codeines.

  Loxoprofen is a non-steroidal anti-inflammatory analgesic (NSAID), rheumatoid arthritis, osteoarthritis, low back pain, shoulder periarthritis, neck-shoulder arm syndrome, toothache, acute upper respiratory tract, post-surgical / post-traumatic It is known as effective for anti-inflammatory, analgesic and antipyretic after tooth extraction (Non-patent Document 1).

Loxoprofen has been studied for combining with various drugs because of its excellent pharmacological action. Examples of the action obtained by the combination include, for example, an anti-inflammatory / analgesic / antipyretic effect-enhancing action (Patent Document 1), carbinoxamine maleate, chlorpheniramine maleate, Examples include nasal congestion ameliorating action by combining with ketotifen fumarate, mequitazine and epinastine hydrochloride (Patent Document 2), goblet cell hyperplasia suppressing action by combining with azelastine hydrochloride and mequitazine (Patent Document 3), etc. .
Further, combining loxoprofen with bromhexine hydrochloride or ambroxol hydrochloride enhances the effect on cough symptoms (Patent Document 4) and suppresses goblet cell hyperplasia (Patent Document 5), and combines loxoprofen with bromhexine hydrochloride. There are known anti-inflammatory, analgesic and antipyretic effects (Patent Document 6).

  It is also known that loxoprofen enhances the antihistamine action of chlorpheniramine maleate and clemastine fumarate (Patent Document 6). In the said patent document, the combination of a loxoprofen and various drugs is examined, and the formulation example which combined the loxoprofen and various drugs is described.

  On the other hand, codeines are known to be narcotic antitussive components having an antitussive action by suppressing the function of the cough center. And based on this action, it is a drug used as a general cold medicine and antitussive expectorant as an antitussive component (Non-patent Document 2 and others).

  However, it is not known whether loxoprofen or a salt thereof interacts with codeine in the preparation.

Japanese Patent Laid-Open No. 11-139971 JP 2001-199882 A JP 2008-169193 A JP 2001-172175 A JP 2008-13542 A JP 2000-143505 A

Fifteenth revised Japanese Pharmacopoeia explanation book Yodogawa Shoten Co., Ltd. C-4790-4759 OTC Handbook 2008-09 Academic Information Distribution Center, Inc. Page 289

First, in order to develop a solid preparation containing loxoprofen or a salt thereof and codeine, the present inventors examined their storage stability, and mixed or formulated loxoprofen or a salt thereof and codeine. Upon storage, it was surprisingly found that an interaction occurs between these compounds, and this interaction causes solidification, discoloration, and the like, resulting in problems in stability.
Accordingly, an object of the present invention is to provide a stable solid preparation containing loxoprofen or a salt thereof and codeine.

  Therefore, the present inventors have studied to solve this problem. As a result, loxoprofen or a salt thereof and codeine are mixed with silica gel, silica alumina gel (allophane), natural zeolite, synthetic zeolite (molecular sieve), calcium chloride, It has been found that the interaction can be suppressed by storing in the presence of a desiccant such as quicklime (calcium oxide), bentonite clay (montmorillonite), magnesium chloride, magnesium oxide.

That is, this invention provides the pharmaceutical formulation which contains loxoprofen or its salt, codeine, and a desiccant in a container.
The present invention also includes a step of storing loxoprofen or a salt thereof and codeine in the presence of a desiccant, and a solid preparation containing loxoprofen or a salt thereof and codeine with suppressed interaction The manufacturing method of this is provided.
The present invention also includes a step of storing a solid preparation containing loxoprofen or a salt thereof and codeine in the presence of a desiccant, and drying the solid preparation containing loxoprofen or a salt thereof and codeine The present invention provides a method for producing a pharmaceutical preparation comprising an agent in a container.

According to the present invention, the interaction between loxoprofen or a salt thereof and codeines can be suppressed. Therefore, a solid preparation containing loxoprofen or a salt thereof and codeine having excellent storage stability can be provided.
Moreover, the solid formulation with which interaction was suppressed including the loxoprofen or its salt, and codeines can be provided easily and cheaply without passing through a complicated process.

The pharmaceutical preparation of the present invention contains loxoprofen or a salt thereof, codeines and a desiccant.
Loxoprofen or a salt thereof used in the pharmaceutical preparation of the present invention includes not only loxoprofen but also a pharmaceutically acceptable salt of loxoprofen, and further a solvate with water, alcohol or the like. These are known compounds, and can be produced by known methods, or commercially available products can be used. In the present invention, loxoprofen or a salt thereof is preferably loxoprofen sodium hydrate (chemical name: Monosodium 2- [4-[(2-oxocyclopentyl) methyl] phenyl] propanoate dihydrate).

  The content of loxoprofen or a salt thereof in the pharmaceutical preparation of the present invention may be determined by appropriate examination according to the sex, age, symptoms, etc. of the user, but is 10 to 10 per day in terms of loxoprofen sodium anhydride. The amount that can be taken 300 mg is preferred, the amount that can be taken 30 to 240 mg is more preferred, the amount that can be taken 30 to 180 mg is more preferred, and the amount that can be taken 60 to 180 mg is particularly preferred.

  The codeines used in the pharmaceutical preparation of the present invention mean one or more selected from the group consisting of codeine, dihydrocodeine and salts thereof. This group includes codeine and dihydrocodeine itself, as well as pharmaceutically acceptable salts of codeine and dihydrocodeine. Specific examples of suitable groups include codeine, dihydrocodeine, codeine phosphate hydrate, dihydrocodeine phosphate and the like, with codeine phosphate hydrate and dihydrocodeine phosphate being more preferable. These are known compounds, and can be produced by known methods, or commercially available products can be used.

  The content of codeine in the pharmaceutical preparation of the present invention may be appropriately determined and determined according to the sex, age, symptoms, etc. of the user, but is preferably an amount that can be taken from 2 to 60 mg per day. The amount that can be taken -48 mg is more preferred, and the amount that can be taken 6-36 mg is more preferred. In addition, when using codeine phosphate hydrate as codeine, the quantity which can be taken | dosed 4-60 mg per day is preferable, the quantity which can be taken | dosed 8-48 mg is more preferable, and the quantity which can be taken | dosed 12-36 mg is further more preferable. Moreover, when using dihydrocodeine phosphate, the quantity which can be taken | dosed 2-30 mg per day is preferable, the quantity which can be taken | dosed 4-24 mg is more preferable, and the quantity which can be taken | dosed 6-24 mg is further more preferable.

  The content ratio of loxoprofen or a salt thereof and codeine contained in the pharmaceutical preparation of the present invention may be determined by appropriate examination according to the daily dose of each component described above, but loxoprofen or a salt thereof Is preferably 0.005 to 4 parts by mass of codeine, more preferably 0.01 to 2 parts by mass, and more preferably 0.02 to 1 part by mass relative to 1 part by mass in terms of loxoprofen sodium anhydride. Those containing parts are more preferred.

Loxoprofen or a salt thereof and codeine contained in the pharmaceutical preparation of the present invention are preferably a solid preparation containing loxoprofen or a salt thereof and codeine from the viewpoint of ease of administration, management of drug dosage, and the like.
The solid preparation of the present invention can be produced and formulated based on a known method described in the 15th revision Japanese Pharmacopoeia General Rules for Preparations. Examples of the dosage form of the solid preparation include tablets, powders, granules, fine granules, pills, capsules and the like.
As the solid preparation, in view of the interaction inhibition, loxoprofen or a salt thereof and codeine in the solid preparation are preferably contained so as not to come into contact with each other, manufactured and formulated. The preparations prepared so as to be substantially in contact with each other can be easily understood by general pharmaceutical technology researchers, using appropriate formulation additives based on known methods. Can be manufactured and formulated. Specifically, as the form of the solid preparation, the following (a) to (f) can be exemplified, and these can be produced and formulated by a known method.

(I) One of loxoprofen or a salt thereof, and codeine is granulated by an appropriate method to form a granular material, and the other is not granulated. A preparation in which the granular material is further coated by an appropriate method.
(B) Loxoprofen or a salt thereof and codeine are each granulated by an appropriate method to form a granular material, and a powder or granule prepared by containing these, and the granular material are further coated by an appropriate method. Formulation.
(C) A capsule filled with the powder or granule prepared in (i) or (b) above.
(D) Tablets obtained by tableting the granular material produced in (b) or (b) above.
(E) A multi-layer tablet prepared so that loxoprofen or a salt thereof and codeine do not contact each other, and a preparation in which the multi-layer tablet is further coated by an appropriate method. The multi-layered tablet is preferably one in which loxoprofen or a salt thereof and codeine are located in different layers, and as a multi-layered tablet having three or more layers, a layer containing loxoprofen or a salt thereof and a layer containing codeine are mutually attached. What was located so that it may not contact | connect is more preferable. In addition, as the loxoprofen or a salt thereof and codeine, the granular material produced in the above (i) or (b) can be used.
(F) A dry-coated tablet in which any one of loxoprofen or a salt thereof and codeine is arranged in a nuclear tablet, and a preparation in which the dry-coated tablet is further coated by an appropriate method. In addition, as the loxoprofen or a salt thereof and codeine, the granular material produced in the above (i) or (b) can be used.

  The content of loxoprofen or a salt thereof in the solid preparation of the present invention is not particularly limited and may be appropriately determined according to the above-mentioned daily dose, but relative to the total mass of the solid preparation, converted to loxoprofen sodium anhydride The content is preferably 0.4 to 50% by mass, more preferably 1.2 to 30% by mass, and still more preferably 1.2 to 25% by mass. Among these, it is more preferable to contain 1.2-20 mass%, it is still more preferable to contain 2.4-15 mass%, and it is especially preferable to contain 2.4-12 mass%.

  Content of codeine in the solid formulation of this invention is not specifically limited, It is preferable to contain 0.08-4 mass% with respect to solid formulation total mass. When codeine is codeine phosphate hydrate, it is preferably contained in an amount of 0.15 to 4% by mass, more preferably 0.3 to 3% by mass, based on the total mass of the solid preparation. It is more preferable to contain 5-2.5 mass%. Furthermore, when codeine is dihydrocodeine phosphate, it is preferable to contain 0.08-2 mass% with respect to the solid formulation total mass, and it is more preferable to contain 0.16-1.5 mass%. More preferably, the content is 24 to 1.5% by mass.

  Examples of the route of administration of the solid preparation of the present invention include oral and parenteral such as rectal and vaginal, and the solid preparation according to the present invention is preferably an oral administration preparation. Moreover, the solid preparation according to the present invention can be divided into about 1 to 4 times per day and taken before meals, between meals, after meals, before going to bed.

  In the present invention, the desiccant is not particularly limited as long as it can suppress or improve the interaction when stored together with loxoprofen or a salt thereof and codeine. Also, the shape is not limited, and examples thereof include a plate-shaped or bag-shaped sheet mold, a cylinder (tablet mold), etc., and a cylinder with paper wrapping or film coating. But you can.

  Examples of the desiccant include silica gel, silica alumina gel (allophane), natural zeolite, synthetic zeolite (molecular sieve), calcium chloride, quicklime (calcium oxide), bentonite clay (montmorillonite), magnesium chloride and magnesium oxide. 1 type or 2 types or more can be mentioned, and these and activated carbon may be mixed. Among these, one or more selected from silica gel, silica alumina gel (allophane), synthetic zeolite (molecular sieve) and calcium chloride are more preferable, and synthetic zeolite is particularly preferable from the viewpoint of interaction suppression.

  Various desiccants are commercially available. For example, Shiblet, MS-Tablet, MS-Serum W, Tokai Gel, Decite Kite 25, Alp sheet, Toray Chemical Co., Ltd. ) Packaged items, Dryan (registered trademark) tablets, Dryan (registered trademark) sheets, Sekawa, Allosheet, Zeosheet, Shinzo Kasei Co., Ltd., OZO Co., Ltd. OZO, IDi Co., Ltd. IDi-packing desiccant and the like.

The content of the desiccant may be determined as appropriate, but is preferably 0.05 to 35 parts by mass, more preferably 0.15 to 17 parts by mass with respect to 1 part by mass of loxoprofen or a salt thereof.
Moreover, 0.001-1 mass part is preferable with respect to 1 mass part of solid preparation containing loxoprofen or its salt, and codeines, and 0.004-0.4 mass part is more preferable.

  In the pharmaceutical preparation of the present invention, as a pharmaceutical ingredient, a drug other than loxoprofen or a salt thereof and codeine, for example, antipyretic analgesic, antihistamine, antitussive, noscapine, bronchodilator, expectorant, hypnotic sedative, vitamins, It may contain one or more selected from the group consisting of anti-inflammatory agents, gastric mucosal protective agents, anticholinergic agents, herbal medicines, traditional Chinese medicines, caffeine and xanthine components. These components are preferably contained in the solid preparation.

  Examples of antipyretic analgesics include aspirin, aspirin aluminum, acetaminophen, isopropylantipyrine, ibuprofen, ethenzamide, sazapyrine, salicylamide, sodium salicylate, thiaramide hydrochloride, lactylphenetidine, and the like.

  Antihistamines include, for example, azelastine hydrochloride, alimemazine tartrate, istipendil hydrochloride, iproheptin hydrochloride, epinastine hydrochloride, emedastine fumarate, carbinoxamine diphenyl disulfonate, carbinoxamine maleate, clemastine fumarate. Acid salt, dl-chlorpheniramine maleate, d-chlorpheniramine maleate, ketotifen fumarate, dipheterol hydrochloride, dipheterol phosphate, diphenylpyraline hydrochloride, diphenylpyraline theocrate, diphenhydramine Hydrochloride, diphenhydramine salicylate, diphenhydramine tannate, triprolidine hydrochloride, tripelenamine hydrochloride, tondilamine hydrochloride, phenetazine hydrochloride, promethazine hydrochloride, promethad Methylene two salicylates, mequitazine, methdilazine hydrochloride, main blanking hydro Linna Paji sill acid salts.

  Antitussives include, for example, aloclamide hydrochloride, eprazinone hydrochloride, carbetapentane enoate, cloperastine hydrochloride, cloperastine phendizoate, dibutate sodium, dimemorphan phosphate, dextromethorphan bromide Examples thereof include hydroacid salts, dextromethorphan / phenolphthalin salts, tipepidine citrate, and tipepidine hibenzate.

Examples of noscapine include noscapine hydrochloride and noscapine.
Examples of bronchodilators include trimethquinol hydrochloride, phenylpropanolamine hydrochloride, phenylephrine hydrochloride, pseudoephedrine hydrochloride, pseudoephedrine sulfate, methylephedrine, dl-methylephedrine hydrochloride, l-methylephedrine hydrochloride, dl -Methylephedrine saccharin salt, methoxyphenamine hydrochloride, etc. are mentioned.

  As an expectorant, for example, ambroxol hydrochloride, ammonia fennel, ethylcysteine hydrochloride, ammonium chloride, carbocysteine, guaifenesin, potassium guaiacolsulfonate, potassium cresolsulfonate, bromhexine hydrochloride, methylcysteine hydrochloride, and l-menthol.

Examples of the hypnotic sedative include allyl isopropyl acetyl urea, bromvalerylurea and the like.
Examples of vitamins include vitamin B ₁ , vitamin B ₂ , vitamin B ₅ , vitamin B ₆ , vitamin B ₁₂ , vitamin C, hesperidin and derivatives thereof, and salts thereof (for example, thiamine, thiamine chloride hydrochloride, Thiamine nitrate, dicetiamine hydrochloride, sethiamine hydrochloride, fursultiamine, fursultiamine hydrochloride, octothiamine, chicotiamine, thiamine disulfide, bisibutamine, bisbenchamine, prosultiamine, benfotiamine, riboflavin, riboflavinline Acid ester, riboflavin butyrate, sodium riboflavin phosphate, panthenol, pantethine, calcium pantothenate, sodium pantothenate, pyridoxine hydrochloride, pyridoxal phosphate, cyanocobalamin, mecoba Lamin, ascorbic acid, sodium ascorbate, calcium ascorbate, hesperidin, etc.).

  Examples of anti-inflammatory agents include lysozyme chloride, glycyrrhizic acid and derivatives thereof, and salts thereof (for example, dipotassium glycyrrhizinate, monoammonium glycyrrhizinate, etc.), seaprose, semi-alkaline proteinase, serrapeptase, tranexamic acid, proctase, pronase, Bromelain etc. are mentioned.

  Examples of the gastric mucosa protective agent include aminoacetic acid, aldioxa, magnesium silicate, gefarnate, synthetic aluminum silicate, synthetic hydrotalcite, magnesium oxide, dihydroxyaluminum aminoacetate (aluminum glycinate), aluminum hydroxide gel, Aluminum hydroxide / magnesium carbonate mixed dry gel, aluminum hydroxide / sodium bicarbonate coprecipitation product, aluminum hydroxide / calcium carbonate / magnesium carbonate coprecipitation product, magnesium hydroxide / potassium aluminum sulfate coprecipitation product , Sucralfate, cetraxate hydrochloride, sofalcone, magnesium carbonate, teprenone, copper chlorophyllin potassium, copper chlorophyllin sodium, magnesium metasilicate aluminate, methylmethionine sulfate Niumukurorido, and the like.

  Anticholinergic agents include, for example, oxyphencyclimine hydrochloride, dicyclomine hydrochloride, methixene hydrochloride, scopolamine hydrobromide, datsura extract, chipepidium bromide, methyl atropine bromide, methyl anisotropin bromide, methyl scopolamine bromide, methyl- 1-hyostiamine bromide, methylbenactidium bromide, pirenzepine hydrochloride, butyl scopolamine bromide, belladonna alkaloid, belladonna extract, belladonna total alkaloid, iodopropamide iodide, diphenylpiperidinomethyldioxolane, funnel extract, funnel root, funnel Examples include root total alkaloid citrate.

  Herbal medicines include, for example, akamegashiwa (red buds), asenyaku (asenyaku), inyokaku (horny sheep), fennel (mushrooms), turmeric (depressed gold), engosaku (yenkogong), enmeisou (extended herb), ogon (yellow jade) ), Ousei (yellow spirit), Oubak (yellow twilight), Spruce (cherry skin), Auren (yellow ream), Onji (distant), Gajutsu (we), Ganoderma (deer herb), Chamomile, Caronin (Karojin), Licorice (licorice), Kyo-kyo (kikyo), Kyo-nin (Kyojin), Kukoshi (coconut), Kuko-yo (Kashiwa), Keihi (Kinko), Ketsumeishi (Katsumeko), Gentiana, Gennoshouko (current evidence), Koubushi (Kosuke), Gooh (Gyuhuang), Goshi (Gomiko), Saishin (Spicy), Salamander (Sambu), Zion (Purple), Zykopi (Peel), Peonies (Glue), Ji Jakkou, Shajin, Shazenshi (car forerunner), Shazenso (car forerunner), Beast gall (including yutan (gum gal)), Shakyo (ginger), Giryu (land dragon), Xinyi ), Sexan (Ishizuchi), Senega, Senkyu (Ryukyu), Zenko (Mae-Hu), Senburi (Senshu), Sojutsu (蒼朮), Sohakuhi (Mulberry white skin), Soyo (Soba), Taisan (Oiso), Chixetsu carrot (bamboo ginseng), clove (clove), chimpi (chonse), touki (to home), tokong (napping root), Nantenjitsu (southern), carrot (carrot), baimo (shellfish), bacmond (wheat) Gate winter), mint (light load), Hange (semi-summer), bankouka (banka), hampi (anti-nose), juniper (white bean), juniper (white moth), bukkuri (茯苓), button pi (peony skin), volley (Oyster), maou (mao), rokjo (deer moth) ) And their extracts (extracts, tinctures, dried extracts, etc.) and the like.

The Kampo prescription includes, for example, Kakkon-to, Katsue-yu, Koso-san, Saiko-Kei-to, Sho-saiko-to, Shosei-ryu, Mumon-tou-yu, Hanka-kopaku-to, Mao-to, and the like.
Examples of caffeine include sodium benzoate caffeine, caffeine, and anhydrous caffeine.
Examples of the xanthine component include aminophylline, diprofylline, theophylline, proxyphylline and the like.

  The container used for the pharmaceutical preparation of the present invention is not particularly limited as long as it can be used as a container for foods, supplements, pharmaceuticals, health foods, etc., and any of a fixed container and an amorphous container can be used and sealed. What is possible is preferred. Examples of the fixed container include bottles, cans, and boxes. Examples of the amorphous container include bags (pillow packaging, stick packaging, PTP packaging, SP packaging, etc.) and the like. Of these containers, specifically, bottles and bags are preferable.

The forming member of the container is not particularly limited, and examples thereof include paper, glass, a resin or a resin film, or a member such as a metal or a metal film, and a composite structure or a multilayer structure in which these members are appropriately combined. It may be a thing. Moreover, it is preferable that moisture permeation prevention processing is performed about the member which has moisture permeability, such as paper.
The container may be transparent, translucent, or opaque.

  The method of storing loxoprofen or a salt thereof, codeine and desiccant used in the present invention in the container is not particularly limited, and any of them may be disposed by an appropriate means such as charging into the container. Can be achieved.

  For example, when the container is a bottle, a desiccant (preferably a cylindrical shape (tablet shape)) is placed in the bottle or stored in the back side (inner cap) of the bottle lid, and loxoprofen or This can be achieved by storing the salt and codeine in a bottle. When storing in a bottle, loxoprofen or a salt thereof, and codeines are preferably solid preparations containing these.

  In the case where the container is a bag, it can be achieved by storing a desiccant (preferably, a plate-type or bag-shaped sheet type), loxoprofen or a salt thereof, and codeines in the bag. When storing in a bag, loxoprofen or a salt thereof and codeines are preferably solid preparations containing these.

  Further, the solid preparation of the present invention may be once packaged by SP packaging, PTP packaging, a bag or the like, and then the packaged solid preparation and desiccant may be enclosed in a container. For example, a form containing a solid preparation containing loxoprofen or a salt thereof and codeine, which is packaged in stick packaging, PTP packaging or SP, and a desiccant packaged in pillow packaging or stick packaging. More specifically, the form etc. which carry out pillow packaging of the solid formulation which carried out SP packaging or PTP packaging, and a plate-shaped or bag-shaped sheet type desiccant etc. are mentioned. Further, the pillow packaging form may be stored in a box or the like.

The pharmaceutical preparation of the present invention contains loxoprofen, which is a kind of NSAID, or a salt thereof, and codeine having an antitussive action, so that headache, toothache, pain after tooth extraction, sore throat, ear pain, joint pain, neuralgia, Backache, muscle pain, stiff shoulder pain, bruise pain, fracture pain, sprain pain, menstrual pain, menstrual pain, pain relief, chills, antipyretic fever, cold symptoms, sore throat, cough, chill, Efficacy or effect on fever, headache, joint pain, muscle pain), cough, etc., and is useful as a cold medicine.
In addition, the codeines according to the pharmaceutical preparation of the present invention alleviate or suppress gastrointestinal disorders (gastric mucosal irritation, ulcer formation in the small intestine, etc.) caused by loxoprofen. Therefore, the solid preparation of the present invention containing loxoprofen or a salt thereof and codeine can be used by patients suffering from peptic ulcer or patients with a history of taking loxoprofen or a salt thereof without fear of gastrointestinal tract disorders caused by loxoprofen. Can be useful.

EXAMPLES The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples.
[Experiment 1] Examination of interaction Loxoprofen sodium hydrate 0.5 g (Daiwa Pharmaceutical Co., Ltd .: trade name: Japanese Pharmacopoeia Loxoprofen sodium hydrate) and dihydrocodeine phosphate 60 mg (Shionogi Pharmaceutical: trade name: Phosphoric acid Dihydrocodeine “Shionogi”) was mixed, placed in a glass bottle (3K standard bottle), and stored at 60 ° C. for 1 week. Separately, 1 g of synthetic zeolite (manufactured by Shin-Etsu Chemical Co., Ltd .: trade name MS-W1506) was further added as a desiccant and similarly stored at 60 ° C. for 1 week. For each, the state of the mixture immediately after the start of storage, 1 day, 3 days and 1 week, ie, the presence or absence of interaction, was evaluated, and the results are shown in Table 1.

  As is apparent from Table 1, the mixture of loxoprofen and codeine which had been preserved by mixing was solidified and further discolored as a result of the interaction. On the other hand, it was found that the addition of the desiccant can maintain the same state as at the start and suppress and improve the interaction.

[Test Example 2] Inhibition of Loxoprofen-Induced Gastrointestinal Disorder by Codeine Using Wistar rats (Std: Wistar / ST, male, 8 weeks old, body weight 188.9 to 227.9 g), a test was conducted as 6 animals per group. did. Rats were fasted from the day before the test (16 hours or longer). Water intake was free up to 1 hour before the start of the test, and then water was stopped.
As a test drug, dihydrocodeine phosphate (DP) was suspended in a 0.5% methylcellulose (MC) solution and orally administered in predetermined amounts (8, 24, 72 mg / 5 mL / kg). In the control group, only the solvent (0.5% MC solution) was orally administered in the same volume (5 mL / kg).
One hour after administration of the test drug, loxoprofen sodium hydrate 120 mg / 2 mL saline / kg was orally administered to each group of rats to induce gastric mucosal damage. Five hours after administration of loxoprofen sodium hydrate, the rats were euthanized by cervical dislocation, the cardia was ligated, and the stomach was removed. After injecting 10 mL of 1% formalin solution into the stomach from the pyloric region and ligating the pyloric region, the entire stomach was immersed in the formalin solution for about 20 minutes and fixed lightly.
Evaluation of the degree of gastric mucosal damage is performed by measuring the length (mm) of individual damage (erosion) occurring in the glandular stomach portion under a stereomicroscope after incising the stomach along the large curvature. The total damage per rat was calculated as the ulcer index. The ulcer suppression rate (%) in the test drug was calculated according to the following formula. The results are shown in Table 2.

  Ulcer inhibition rate (%) = {1− (ulcer index of test drug / ulcer index of control group)} × 100

  From Table 2, it was found that codeines suppress gastrointestinal disorders caused by loxoprofen.

[Production Example 1]
Loxoprofen sodium hydrate 1123.7 g (manufactured by Daiwa Pharmaceutical Co., Ltd., trade name: Japanese Pharmacopoeia Loxoprofen sodium hydrate), dihydrocodeine phosphate 41.3 g (manufactured by Shionogi Seiyaku: trade name dihydrocodeine phosphate “Shionogi”), hydroxy 123.8 g of propylcellulose (manufactured by Nippon Soda: trade name HPC-M), 412.5 g of carmellose calcium (trade name: ECG505), crystalline cellulose 2382.4 g (trade name: Theolas PH-101) manufactured by Asahi Kasei Chemicals Was put into a high-speed stirring granulator (Fukae Kogyo Co., Ltd .: FS-10 type) and mixed, and then 206.3 g of purified water was added and kneaded. The granulated product was put into a fluidized bed dryer (Freund Sangyo: FLO-5 type), dried, and then granulated using a granulator (Okada Seiko: ND-10 type). 4083.7 g of this sized product and 41.3 g of magnesium stearate (manufactured by Taihei Kagaku Kogyo: trade name magnesium stearate (vegetable)) were introduced into a mixer (manufactured by Kotobuki: PM50 type) and mixed, and then the diameter 8 Tableting was performed using a tableting machine (manufactured by Hata Iron Works: HT-AP18SS type) equipped with a 0.0 mm punch, and 16500 tablets each having a mass of 250 mg were obtained.

[Example 1]
Thirty tablets obtained in Production Example 1 and 1 g of synthetic zeolite (manufactured by Shin-Etsu Chemical Co., Ltd .: trade name MS-W1506) were placed in a glass bottle (3K standard bottle) to prepare a pharmaceutical preparation.

  According to the present invention, the interaction between loxoprofen or a salt thereof and codeines can be suppressed. Therefore, a solid preparation containing loxoprofen or a salt thereof and codeine having excellent storage stability can be provided.

Claims (13)

  A pharmaceutical preparation comprising loxoprofen or a salt thereof, codeine and a desiccant in a container.   A pharmaceutical preparation comprising a solid preparation containing loxoprofen or a salt thereof and codeine and a desiccant in a container.   The pharmaceutical preparation according to claim 1 or 2, wherein the container is a bottle.   The pharmaceutical preparation according to claim 2 or 3, comprising a solid preparation containing loxoprofen or a salt thereof and codeine, which is packaged in a stick package, PTP package or SP package, and a desiccant packaged in pillow package or stick package.   The desiccant is selected from the group consisting of silica gel, silica alumina gel (allophane), natural zeolite, synthetic zeolite (molecular sieve), calcium chloride, quicklime (calcium oxide), bentonite clay (montmorillonite), magnesium chloride and magnesium oxide 1 It is a seed | species or 2 or more types, The pharmaceutical formulation of any one of Claims 1-4.   The pharmaceutical preparation according to any one of claims 1 to 5, wherein the loxoprofen or a salt thereof is loxoprofen sodium hydrate.   The pharmaceutical preparation according to claim 6, comprising loxoprofen sodium hydrate in an amount of 10 to 300 mg per day in terms of anhydrous loxoprofen sodium.   The codeine according to any one of claims 1 to 7, wherein the codeine is codeine phosphate hydrate or dihydrocodeine phosphate.   The pharmaceutical formulation of Claim 8 which contains 4-60 mg of codeine phosphate hydrate as a daily dose.   The pharmaceutical formulation of Claim 8 which contains 2-30 mg of dihydrocodeine phosphate as a daily dose.   A method for producing a solid preparation containing loxoprofen or a salt thereof and codeine with suppressed interaction, comprising a step of storing loxoprofen or a salt thereof and codeine in the presence of a desiccant.   The manufacturing method according to claim 11, wherein the storage is storage in a container.   A solid preparation containing loxoprofen or a salt thereof and codeine and a desiccant in a container, comprising the step of storing the solid preparation containing loxoprofen or a salt thereof and codeine in the presence of a desiccant A method for producing a pharmaceutical preparation comprising: