MXPA06008815A - Hypocholesterolemic compositions comprising a statin and an antiflatulent agent - Google Patents

Hypocholesterolemic compositions comprising a statin and an antiflatulent agent

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Publication number
MXPA06008815A
MXPA06008815A MXPA/A/2006/008815A MXPA06008815A MXPA06008815A MX PA06008815 A MXPA06008815 A MX PA06008815A MX PA06008815 A MXPA06008815 A MX PA06008815A MX PA06008815 A MXPA06008815 A MX PA06008815A
Authority
MX
Mexico
Prior art keywords
pharmaceutical composition
composition according
chosen
tablets
simethicone
Prior art date
Application number
MXPA/A/2006/008815A
Other languages
Spanish (es)
Inventor
M Raga Manuel
Guglietta Antonio
Guerrero Maria
Orriols Anna
Original Assignee
Ferrer Internacional Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferrer Internacional Sa filed Critical Ferrer Internacional Sa
Publication of MXPA06008815A publication Critical patent/MXPA06008815A/en

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Abstract

The present invention relates to hypocholesterolemic compositions comprising statins plus antiflatulent agents. In particular the compositions of the present invention comprise a statin selected from the group consisting of atorvastatin, cerivastatin, fluvastatin, lovastatin, pitavastatin, pravastatin, rosuvastatin and simvastatin, whether in free form or as pharmaceutically acceptable salts and hydrates thereof, plus an antiflatulent agent. selected from the group consisting of simethicone and dimethicone. The combination of statins plus antiflatulent agents is useful in the prevention and management of flatulence caused by statins.

Description

EMIANTES HYPOCOLESTERO COMPOSITIONS Field of the Invention The present invention relates to hypocholesterolemic compositions of statins with agents with antiflatulent pharmacological action.
BACKGROUND OF THE INVENTION Statins are inhibitors of hydroxymethylglutaryl-CoA reductase, a key enzyme in the synthesis of cholesterol, which directly decrease cholesterol levels. These compounds are considered safe and effective hypocholesterolemic agents and therefore constitute an important therapeutic contribution in the treatment of coronary heart disease and in the reduction of morbidity and mortality due to this serious cardiovascular pathology.
The statins commonly used in medicine are Atorvastatin (USP 5273995), Cerivastatin (USP 5177080), Fluvastatin (USP 4739073), Lovastatin (USP 4231938), Pravastatin (USP 4346227), Rosuvastatin (USP RE 37314). and Simvastatin (USP 4444784). They can be used in free form or in the form of their pharmaceutically acceptable salts, usually alkaline and alkaline earth metal, whether they are anhydrous or hydrated, the sodium and calcium salts generally being preferred. Thus, in clinical practice, Atorvastatin is used as a calcium salt (2: 1) trihydrate, Cerivastatin, Fluvastatin and Pravastatin as the sodium salt, Rosuvastatin as calcium salt and Lovastatin and Simvastatin in free form. A more recent compound, Pitavastatin (EP 304063) is currently under development in Phase III in Europe.
Among the most important and frequent side effects of statins is flatulence (Bakker-Arkema et al, Atherosclerosis 2000 Mar, 149 (1), 123-9 [PubMed 10704623], Black et al, Arch Intezn Med 1998 Mar 23, 158 (6), 577-84 [PubMed 9521221]; Posvar et al, J Clin Pharmacol 1996 Aug, 36 (8), 728-31 [PubMed 8877677]; Boccuzzi et al, Am J Cardiol 1991 Nov 1, 68 (11), 1127-31 [Pubmed 1951069]; Zeller et al, Drug Intell Clin Pharm 1988 Jul-Aug, 22 (7-8), 542-5 [PubMed 3046888]) which can be cause of discomfort and symptomatic confusion, since its symptoms can be similar to those of the coronary heart disease object of the lipid-lowering treatment with statins.
Among the compounds that can decrease flatulence, there are antiflatulent agents that have an antifoaming action. Simethicone and Dimethicone, for example, are commonly used with good results in the symptomatic treatment of flatulence and meteorism. These compounds are effective if you also observe the appropriate hygienic-dietary measures, such as the avoidance of soft drinks and flatulent foods.
Some commercial preparations containing statins, such as Lipitor (Atorvastatin calcium salt 2: 1, trihydrate), already have in their formulation an antifoaming agent. In said Case is an emulsion of Simethicone. However, the proportion of this compound is very low and simply serves as an excipient. Object of the invention The object of the present invention is to provide hypocholesterolemic compositions comprising a statin and an antiflatulent agent by antifoaming action in proportion of active principle, in order to alleviate the flatulence due to the statin.
The association of statins with antiflatulent agents is useful in the prevention and treatment of flatulence caused by statins, which results in a better adherence of patients to treatment and a better clinical knowledge of the symptoms, given that Both coronary heart disease and flatulence are accompanied by thoracic-abdominal discomfort.
Compendium of the invention The compositions of the present invention comprise a statin chosen from Atorvastatin, Cerivastatin, Fluvastatin, Lovastatin, Pitavastatin, Pravastatin, Rosuvastatin and Simvastatin, either in free form or in the form of their pharmaceutically acceptable salts and hydrates. , and an antiflatulent agent chosen between Simethicone and Dimethicone.
The compositions of the present invention are administered orally in the form of tablets, capsules, coated tablets, syrups, solutions, powders, granules, emulsions and the like. The tablets and in particular the coated tablets are preferred.
Statins may be present in the tablets in amounts of 0.1 to 100 mg / comp. In turn, antiflatulent agents can be present in the tablets in a proportion of 25 to 250 mg / comp.
The compositions of the present invention further comprise other components, chosen from diluents, binders, disintegrants and lubricants commonly used in pharmaceutical technology, and mixtures thereof. Optionally other excipients can be added, such as antioxidants and humectants.
Since statins are photosensitive, it is convenient to protect the tablets with a coating comprising cellulose or acrylic derivatives, as well as plasticizers and opacifiers. Optionally it is possible to add various pigments to color the tablets.
Brief description of the figure Figure 1 shows the in vitro dissolution profile, in average values, of the tablets of Example 4, comprising Simvastatin and Simethicone, and other similar tablets without Simethicone.
Detailed description of the invention The compositions of the present invention comprise a statin chosen from Atorvastatin, Cerivastatin, Fluvastatin, Lovastatin, Pitavastatin, Pravastatin, Rosuvastatin and Simvastatin, either in free form or in the form of their pharmaceutically acceptable salts and hydrates. , and an antiflatulent agent chosen between Simethicone and Dimethicone.
Preferably, Atorvastatin is used as the calcium salt (2: 1) trihydrate, Cerivastatin, Fluvastatin and Pravastatin as the sodium salt, Rosuvastatin as calcium salt and Lovastatin and Simvastatin in free form.
The compositions of the present invention are administered orally in the form of tablets, capsules, coated tablets, syrups, solutions, powders, granules, emulsions and the like. The tablets and in particular the coated tablets are preferred.
Statins may be present in the tablets in amounts of 0.1 to 100 mg / comp. Thus, assuming a standard tablet of a total weight of 400 mg, the proportion of statin can be considered to range between 0.025 and 25%. Typically, the amounts of statin per tablet are 0.1, 2.5, 5, 10, 20, 40, and 80 mg. Therefore, for a standard 400 mg tablet, the statin ratio would be 0.025%, 0.625%, 1.25%, 2.5%, 5%, 10% and 20% respectively.
In turn, antiflatulent agents may be present in the tablets in amounts of 25 to 250 mg / comp. Therefore, in a standard 400 mg tablet the proportion of antiflatulent agent oscillate between 6.25 and 62.5%.
Preferred diluents in the tablets of the present invention are microcrystalline celluloses and their derivatives, such as Prosolv, which is a mixture of microcrystalline cellulose and anhydrous colloidal silica, lactose, mannitol, calcium phosphates, starch, and the like. Preferably the microcrystalline celluloses are Avicel PH102® and Prosolv®.
As binders in the tablets of the present invention, starch, polyethylene glycols, polyvinylpyrrolidone, cellulose derivatives such as hydroxypropylmethylcellulose, and the like are preferred.
Disintegrants in the tablets of the present invention are anhydrous colloidal silica, croscarmellose, polyvinylpyrrolidone, starch and its pregelatinized derivatives, such as Primojel®, which is sodium starch glycolate, and the like. Preferably, Aerosil®, Acdisol® and polyvinylpyrrolidone are used.
As lubricants in the tablets of the present invention, talc, magnesium stearate, stearic acid, sodium stearyl fumarate, high molecular weight polyethylene glycol (4000-8000) such as PEG 8000 are preferred. and similar. Preference is given to using sodium stearyl fumarate, talc and magnesium stearate.
Optionally in the present invention other excipients may be employed, such as antioxidants, such as butylated hydroxyanisole, ascorbic acid or gluconolactone, and the like, and wetting agents such as sodium lauryl sulfate, and the like.
The tablets of the present invention have a coating for protection from light. Preferably the coating consists of a layer consisting of cellulose derivatives, such as sodium hydroxypropylmethylcellulose (HPMC), acrylic polymers, plasticizers such as diethyl citrate, opacifiers such as titanium dioxide, talc and stearic acid. Optionally they can contain various pigments in order to color the tablets. As pigments, the iron oxide derivatives are preferred.
The technique for obtaining the statin nuclei with antiflatulent agents can be precompression, that is, a previous compaction of the mixture, followed by sieving and final compression. They can also be obtained by granulation via anhydrous, with the help of a hydroalcoholic solvent. These procedures are the usual ones in pharmaceutical technology.
However, applicants have discovered that the tablets of the present invention can be prepared advantageously by direct compression, that is, by directly compressing the mixture of all the components. Thus, Simethicone, which is liquid, is incorporated by forming an adsorbate with an adsorbent substance such as Prosolv, mannitol, anhydrous colloidal silica (silicon dioxide) and lactose. It is sifted and mixed with the other components to give the final mixture. The direct compression procedure is preferable to the usual precompression procedures, because it results in lower economic cost and easy industrialization.
The solubility of the tablets of the present invention is not affected by the presence of the antiflatulent agent. Thus, in Figure 1 it is shown that the dissolution profiles of the new tablets of Example 4, which contain the antiflatulent agent, in this case Simethicone, do not show significant differences compared to conventional tablets without antiflatulent agent. Consequently, there are no appreciable differences in the pharmaceutical behavior of both preparations, so that the treatment of patients taking statins with the tablets of the present invention can be easily replaced.
The present invention is illustrated, but not limited, to the following examples.
Example 1: 400 mg tablet containing 40 mg of Atorvastatin calcica trihydrate and 115 mg of Simethicone Atorvastatin calcica trihydrate 40 mg Simeticone 115 mg Colloidal anhydrous silica 10 mg Croscarmellose sodium 10 mg Stearyl fumarate sodium 15 mg Microcrystalline cellulose avicel PH102 c.s.p.400 mg Example 2: 400 mg tablet containing 20 mg Simvastatin and 125 mg Simeticone Simvastatin 20 mg Simethicone 125 mg Polyvinyl pyrrolidone 15 mg Croscarmellose sodium 5 mg Estearil fumarate sodium 15 mg Sodium lauryl sulfate 4 mg Butylhydroxyanisole 5 mg Lactose c.s.p. 400 mg Example 3: 400 mg tablets containing 10 mg Pravastatin sodium and 125 mg Simeticone Pravastatin sodium 10 mg Simethicone 125 mg Primoj 20 mg Talc 12 mg Magnesium stearate 4 mg Prosolv c.s.p. 400 mg Example 4: 400 mg tablets containing 40 mg Simvastatin and 125 mg Simeticone Simvastatin 40 mg Simethicone 125 mg Primoj 16 mg Silicon dioxide 43 mg Talc 12 mg Magnesium stearate 4 mg Direct compression lactose c.s.p. 400 mg

Claims (22)

1. A pharmaceutical composition comprising a statin and an antiflatulent agent in suitable proportion as active ingredient.
2. A pharmaceutical composition according to claim 1 wherein the statin is chosen from Atorvastatin, Cerivastatin, Fluvastatin, Lovastatin, Pitavastatin, Pravastatin, Rosuvastatin and Simvastatin, and their pharmaceutically acceptable salts and their hydrates.
3. A pharmaceutical composition according to claim 2 wherein the statin is Simvastatin or a pharmaceutically acceptable salt.
4. A pharmaceutical composition according to any of claims 1 to 3 wherein the antiflatulent agent is chosen from Simethicone and Dimethicone.
5. A pharmaceutical composition according to claim 4 wherein the antiflatulent agent is Simethicone.
A pharmaceutical composition according to any of the preceding claims wherein the composition is in the form of tablets, capsules, coated tablets, syrup, solution, powder, granules or emulsion.
7. A pharmaceutical composition according to claim 6 wherein the composition is in the form of a coated tablet.
8. A pharmaceutical composition according to claims 6 or 7 wherein the Simvastatin is in proportions comprised from 2.5 to 100 mg per tablet.
9. A pharmaceutical composition according to claim 8 wherein the Simvastatin is in proportions comprised from 5 to 80 mg per tablet.
10. A pharmaceutical composition according to claims 6 or 7 wherein the Simethicone is in proportions comprised from 25 to 250 mg per tablet.
11. A pharmaceutical composition according to claim 10 wherein Simethicone is in the proportion of 125 mg per tablet.
12. A pharmaceutical composition according to any of the preceding claims further comprising one or more diluents, one or more binders, one or more disintegrants and one or more lubricants.
13. A pharmaceutical composition according to claim 12 wherein the diluent is chosen from microcrystalline celluloses and their derivatives, lactose, mannitol, calcium phosphates, starch, and mixtures thereof.
14. A pharmaceutical composition according to claim 12 wherein the binder is chosen from starch, polyethylene glycols, polyvinyl pyrrolidone, cellulose derivatives, and mixtures thereof.
15. A pharmaceutical composition according to any of the preceding claims wherein the disintegrant is chosen from anhydrous colloidal silica, croscarmellose, polyvinylpyrrolidone, starch and its pregelatinized derivatives, and mixtures thereof.
16. A pharmaceutical composition according to claim 12 wherein the lubricant is chosen from talc, magnesium stearate, stearic acid, sodium stearyl fumarate, PEG 8000, and mixtures thereof.
17. A pharmaceutical composition according to any of the preceding claims which may further comprise one or more antioxidants and one or more humectants.
18. A pharmaceutical composition according to claim 7 wherein the coating of the tablets comprises a cellulose derivative or its pharmaceutically acceptable salts, an acrylic polymer, triethyl citrate, titanium dioxide and one or more lubricants.
19. A pharmaceutical composition according to claim 18 wherein the cellulose derivative is the hydroxypropylmethylcellulose or a pharmaceutically acceptable salt.
20. A pharmaceutical composition according to claim 18 or 19 wherein the pharmaceutically acceptable salt is the sodium salt.
21. A pharmaceutical composition according to any of the preceding claims which may further comprise one or more pigments for coloring.
22. A process for preparing a pharmaceutical composition according to any of the preceding claims by direct compression of its components.
MXPA/A/2006/008815A 2004-02-03 2006-08-03 Hypocholesterolemic compositions comprising a statin and an antiflatulent agent MXPA06008815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04002317 2004-02-03

Publications (1)

Publication Number Publication Date
MXPA06008815A true MXPA06008815A (en) 2007-04-10

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