WO2007065588A1 - Pharmazeutische zusammensetzungen mit cyclosporin - Google Patents
Pharmazeutische zusammensetzungen mit cyclosporin Download PDFInfo
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- WO2007065588A1 WO2007065588A1 PCT/EP2006/011459 EP2006011459W WO2007065588A1 WO 2007065588 A1 WO2007065588 A1 WO 2007065588A1 EP 2006011459 W EP2006011459 W EP 2006011459W WO 2007065588 A1 WO2007065588 A1 WO 2007065588A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/12—Cyclic peptides, e.g. bacitracins; Polymyxins; Gramicidins S, C; Tyrocidins A, B or C
- A61K38/13—Cyclosporins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/007—Pulmonary tract; Aromatherapy
- A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
- A61K9/0078—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy for inhalation via a nebulizer such as a jet nebulizer, ultrasonic nebulizer, e.g. in the form of aqueous drug solutions or dispersions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
- A61K9/127—Liposomes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
Definitions
- the invention relates to liquid pharmaceutical preparations which contain cyclosporin as the active ingredient and substances with similar chemical physical and therapeutic properties and which are suitable for oral, parenteral, nasal, ocular, mucosal, topical and in particular for pulmonary use.
- Containers for the packaging and use of the preparations and concentrates thereof are described in further aspects.
- the invention further relates to the pharmaceutical uses of the preparations and their use for the treatment of certain diseases.
- Cyclosporin (also cyclosporin) is a cyclic oligopeptide with an immunosuppressive and calcineurin-inhibiting effect. It is characterized by a selective and reversible mechanism of immunosuppression. It selectively blocks the activation of T lymphocytes through the production of certain cytokines that are involved in the regulation of these T cells. Above all, the synthesis of interleukin-2 is inhibited, which simultaneously causes the proliferation of cytotoxic T lymphocytes, which, for. B. are responsible for the rejection of foreign tissue is suppressed. Cyclosporin acts intracellularly by binding to the so-called cyclophilins or immunophilins, which belong to the family of cyclosporin-binding proteins with high affinity.
- the complex of cyclosporin and cyclophilin then blocks the serine threonine phosphatase calcineurin. Their state of activity in turn controls the activation of transcription factors such as NF-KappaB or NFATp / c, which play a crucial role in the activation of various cytokine genes, including interleukin-2. This locks the immune-competent lymphocytes during the GO or G1 phase of the cell cycle, since the proteins essential for cell division, such as interleukin-2, are no longer produced can.
- T helper cells which increase the activity of the cytotoxic T cells responsible for rejection, are the preferred target for cyclosporin.
- cyclosporin inhibits the synthesis and release of further lymphokines, which are responsible for the proliferation of mature cytotoxic T lymphocytes and for further functions of the lymphocytes.
- Cyclosporin's ability to block interleukin-2 is critical to its clinical efficacy: transplant recipients who tolerated their grafts well are characterized by low interleukin-2 production. In contrast, no inhibition of interleukin-2 production can be observed in patients with a manifest rejection reaction. Cyclosporin A was the first and so far the only cyclosporin to come onto the market in the 1980s.
- cyclosporin A is defined as cyclo - [[(E) - (2S, 3R, 4R) -3-hydroxy-4-methyl-2- (methylamino) -6-octenoyl] -L-2-aminobutyryl-N-methylglycyl -N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L -valyl].
- a new era in transplantation medicine began with its availability, because with its help the proportion of transplanted organs that remained functional in the long term could be increased considerably.
- lung transplants can also be successfully carried out today if the patients are treated with Cyclosporin A. Since the introduction of the active ingredient in therapy, the number of lung transplants performed worldwide has skyrocketed. This applies to both single-cell transplants - i.e. the transplantation of a lung - and double-lung transplants.
- patients with end-stage lung disease are normally considered, for whom drug therapy has been exhausted and whose life expectancy due to the disease is only low.
- Indications for the transplantation of individual lungs are e.g. B. certain forms of emphysema and fibrosis, such as idiopathic pulmonary fibrosis.
- Both Lungs are transplanted for cystic fibrosis, primary pulmonary hypertension, emphysema with global insufficiency, frequent severe infections, as well as idiopathic pulmonary fibrosis with complications from repeated infections.
- Interstitial fibrosis increase in serum bilirubin and liver enzymes, hypertrichosis, tremor, fatigue, headache, hypertrophic gingivitis, gastrointestinal complaints such as loss of appetite, abdominal pain, nausea, vomiting, diarrhea, gastritis, gastroenteritis, paresthesia, burning sensation in the hands and feet
- Hypertension increased blood lipid levels, acne, rash, allergic skin symptoms, hyperglycaemia, anemia, hyperuricaemia, gout, weight gain, edema, gastric ulcers, convulsions, menstrual disorders, hyperkalaemia, hypomagnesaemia, hot flushes, skin redness, itching pain, muscle cramps, muscle cramps and muscle cramps would be desirable, for example, to administer cyclosporin A specifically after a lung transplantation, but also in the presence of certain other indications, in a targeted and tissue-specific manner and to bring about only a low systemic bioavailability of the active ingredient in order to stress the healthy weight to keep it as low as possible with the active ingredient.
- a suitable dosage form could also be used to treat and prevent diseases such as asthma, idiopathic pulmonary fibrosis, sarcoidosis, alveolitis and parenchymal lung diseases (see: Drugs for the treatment of respiratory diseases, edited by Domenico Spina, Clive p. Page et . al., Cambridge University Press, 2003, ISBN 0521773210).
- New therapeutic aspects also arise in the topical treatment of possible autoimmune-induced diseases, such as neurodermatitis, psoriasis, non-specific eczema, skin growths or changes, and for treatment after skin transplants.
- ophthalmology for example for treatment after corneal transplants, keratoconjunctivitis or others inflammatory eye diseases, some of which do not respond adequately to anti-inflammatory therapy with eg steroids. It is also suitable for the treatment of keratids in animals such as dogs.
- the cyclosporin A-containing Sandimmun Optoral capsules (from Novartis) contain a microemulsion concentrate with ethanol, propylene glycol and larger amounts of surfactants and thus represent a formulation which, if inhaled, would cause serious toxic effects.
- the preparation for infusion Sandimmun® concentrate for infusion (Novartis) is also not inhalable: as auxiliary substances, it contains only ethanol and poly (oxyethylene) -40 castor oil. It can only be infused because it has to be diluted beforehand with a 0.9% saline solution or a 5% glucose solution in a ratio of 1:20 to 1: 100. This in turn results in large application volumes, which do indeed infuse but cannot be inhaled.
- WO 00/45834 the inhalation of aerosolized cyclosporin is proposed to prevent or combat rejection reactions after lung transplantation. It is recommended that an active substance dose of 15 to 30 mg cyclosporin A be introduced into the lungs. Propylene glycol should be used as the active substance carrier, which in this highly concentrated form leads to considerable irritation, which is why the patients inhale a Lidocian solution for local anesthesia before application. From recent studies (Akkar et. Al, poster presentation at NACF 2005) it is also known that, depending on the concentration, propylene glycol kills Calu-3 cells, which are an established model for lung epithelial cells (Steimer et al. Jour. Aerosol Med. 18 (2) pp .137-182, 2205).
- EP 0 294 239 A1 describes an aqueous preparation of cyclosporin for pulmonary administration.
- the preparation contains an ⁇ -cyclodextrin to increase the solubility.
- the solubilization effect is far from sufficient for efficient inhalation therapy: only cyclosporin levels between 0.1 and 2.0 mg / mL are achieved, in particular between 0.2 and 1.5 mg / mL. This would mean that a conventional nebulizer could take hours to deliver a single 20 mg dose to the lungs.
- EP 0 504 760 A1 presents a special orthothrombic crystal form of cyclosporin A which is said to be particularly suitable for inhalation.
- Powder inhalers require a fairly high tidal volume and are not very suitable for efficiently treating patients with lung diseases.
- WO 95/24892 describes a propellant-containing cyclosporin preparation which is to be used in the form of a metered dose aerosol.
- Metered aerosols have been criticized for years because they are involved in global warming, and it is questionable whether aerosols containing propellants will still be approved in the medium term. The same applies to WO 98/01147.
- the respirable proportion decreases when active ingredients are applied in concentrations> 1 mg / stroke and the dosing accuracy is subject to very large fluctuations in vivo.
- a lung deposition of only approx. 10% for a metered dose aerosol it can be concluded that more than 50 strokes would be necessary to deposit therapeutically relevant cyclosporin concentrations in the peripheral areas of the lungs.
- WO 98/00111 proposes a liposomal dispersion of cyclosporin A for inhalation with a very high phospholipid content of up to 225 mg / mL, but has such a high dynamic viscosity that it is therefore not efficiently atomized can be.
- a liposomal preparation of cyclosporin A is likewise known from US 2003/0215494: Here, however, the invention consists in that lung metastases are to be inhibited with such a preparation.
- the document makes no contribution to the technical problems of providing a preparation of the active ingredient that is more suitable for inhalation. US Pat. No.
- 5,958,378 describes liposomal cyclosporin preparations for nebulization, the viscosity of which, however, is so high that they cannot be nebulized with an electronic vibrating membrane nebulizer such as the eFlow.
- the organic solvent butanol is used for the production, which, despite a subsequent lyophilization process, cannot be completely removed and results in liposomes> 1 ⁇ m, which cannot be sterilized by sterile filtration and only have a low permeability through epithelial cell membranes.
- Non-liposomal topical preparations e.g. Creams, ointments or lotions show inadequate topical efficacy in skin diseases such as neurodermatitis or psorias, because scaling and cornification of the epidermis make the penetration or penetration effect insufficient. It is also known that in some cases liposomal preparations do not automatically show improved skin permeation in these diseases, but only bring insignificant improvements depending on the special composition and the size and nature of the liposomes.
- the object of the invention is to provide a cyclosporin-containing composition which does not have the disadvantages of the prior art.
- the composition according to the invention is a liquid aqueous preparation which contains a therapeutically effective dose of a cyclosporin, a first solubility-improving substance selected from the group of phospholipids, and a second solubility-improving substance selected from the group of nonionic surfactants.
- a particularly preferred cyclosporin is cyclosporin A. It is preferably a composition which contains the active ingredient cyclosporin in liposomally solubilized form.
- the liposomes, which are mainly formed by the phospholipid contained, are preferably unilamellar liposomes.
- the liposomes preferably have an average diameter of at most about 100 nm, measured as z-average in a Malvern ZetaSizer, and a poly-dispersity index of at most about 0.5, preferably of at most about 0.4.
- the liposomes are preferably produced without the use of organic solvents with water as the carrier liquid.
- the preparation is preferably largely isotonic and has no negative influence on the transepitheial electrical resistance (TEER) in a Calu-3 lung epithelium cell model, which represents a measure of the tolerance of the drug and formulation in relation to the influence on cellular vitality and does not lead to a significant increase in interleukin-8, an inflammatory biomarker, even in human lung cells.
- TEER transepitheial electrical resistance
- a pharmaceutical composition is a preparation of at least one active ingredient and at least one auxiliary, which in the simplest case is e.g. B. can be a carrier such as water.
- An active ingredient is a substance or a mixture of substances that is suitable to directly or indirectly promote or support the health or well-being of an animal or a person.
- An active ingredient can have a diagnostic, prophylactic or therapeutic function, usually in or on the body of an animal or human, but sometimes also in vitro, e.g. B. in contact with removed body components such as cells or body fluids.
- the preparation is preferably a colloidal aqueous solution without organic solvents, consisting of unilamellar liposomes with a maximum diameter of 100 nm, in which the drug is at least predominantly in solution.
- Water is preferably the only liquid solvent contained in the preparation.
- the preparation is in the form of an aqueous solution or an aqueous colloidal solution, that is to say as a single-phase liquid system.
- Such a system is largely free of dispersed particles which have a larger than a colloidal particle size.
- particles below about 1 ⁇ m are considered colloidal particles that do not represent an independent phase and do not have a physical phase boundary.
- particles in the size range just above 1 ⁇ m are still considered colloidal.
- the invention is preferably largely free of Particles that are clearly no longer assigned to the colloidal spectrum, e.g. B. of particles with a diameter of 1 micron or more.
- the composition contains a therapeutically effective dose of a cyclosporin, which is preferably cyclosporin A.
- Cyclosporin A (also cyclosporin A) is chemically defined as Cyclo - [[(E) - (2S, 3R, 4R) -3-hydroxy-4-methyl-2- (methylamino) -6-octenoyl] -L-2- aminobutyryl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl- N-methyl-L-valyl], and is a cyclic peptide with an immunosuppressive effect.
- the term "therapeutically effective” also includes prophylactic activity.
- the therapeutic dose must be defined depending on the respective application. Depending on the type and severity of the disease, the route of application and the body size and condition of the patient, a therapeutic dose is to be determined in a manner known to the person skilled in the art. So are some common dosage instructions such. B. contained in the technical information on the commercial preparations of the brand Sandimmun ® from Novartis Pharma AG, which are also preparations with Cyclosporin A.
- the invention is also intended to be used to administer cyclosporin by other than the previous application routes, in particular by inhalation after the preparation has been nebulized with a suitable nebulizer, and it will be necessary to adjust the dose of the active ingredient in the sense of this application according to the usual methods Methods to adapt.
- the preparation according to the invention can also be applied topically to the skin or sprayed in the same or low concentrations or instilled in the eye and ear.
- the composition contains, in addition to cyclosporin and water, phospholipid or a mixture of phospholipids, e.g. Lipoid S 100 or Phospholipon G 90, and a nonionic surfactant, which is preferably a polysorbate, in particular polysorbate 80.
- a surfactant is an amphiphilic or surface-active substance or a mixture of substances with surface-active Properties. Surfactants each have at least one more hydrophilic and one more lipophilic molecular region. There are monomeric, low molecular weight surfactants and those that have an oligomeric or polymeric structure. A distinction is also made between ionic and nonionic surfactants. Examples of suitable surfactants for the purposes of the invention are polyoxyethylene alkyl ethers, polyoxyethylene sorbitan fatty acid esters such as, for. B. polyoxyethylene sorbitan oleate, sorbitan fatty acid esters, poloxamers, vitamin E-TPGS (D- ⁇ -tocopheryl-polyethylene glycol-IOOO-succinate), and tyloxapol.
- phospholipids for example lecithins such as the commercial products Phospholipon G 90, -100, or Lipoid 90, S 100, are currently preferred as the phospholipid.
- Phospholipon G 90, -100, or Lipoid 90, S 100 are currently preferred as the phospholipid.
- Polysorbates and vit. E-TPGS are preferred among the nonionic surfactants , especially polysorbate 80.
- Phospholipids are amphiphilic lipids that contain phosphorus. Also known under the name of phosphatides, they play an important role in nature, particularly as double-layer-forming components of biological membranes. Such are widespread and frequently used for pharmaceutical purposes
- Phospholipids which are chemically derived from phosphatidic acid. This is a (mostly double) acylated glycerol-3-phosphate, in which the fatty acid residues can be of different lengths.
- the descendants of phosphatidic acid are e.g. B. the phosphocholines or phosphatidylcholines, in which the phosphate group is additionally esterified with choline, phosphatidylethanolamines, phosphatidylinosite, etc.
- lecithins are natural mixtures of various phospholipids, which generally have a high proportion of phosphatidylcholines. According to the invention, preferred phospholipids are lecithins and pure or enriched ones
- Phosphatidylcholines such as dimyristoylphosphatidylcholine, dipalmitoylphosphatidylcholine and distearoylphosphatidylcholine.
- toxicologically acceptable stabilizers and antioxidants such as sodium-ethylene-diamine-tetra-acetic acid (Na-EDTA, tocopherols), isotonizing additives such as sodium chloride, mannitol, trehalose or buffer salts (citrate, carbonate, phosphate -, borate buffer, etc.), taste corrections such as saccharin, aspartame or mint oil are added.
- Na-EDTA sodium-ethylene-diamine-tetra-acetic acid
- isotonizing additives such as sodium chloride, mannitol, trehalose or buffer salts (citrate, carbonate, phosphate -, borate buffer, etc.)
- taste corrections such as saccharin, aspartame or mint oil are added.
- the quantitative composition will usually depend on the indication.
- the cyclosporin content is between about 0.2 and 20 mg / ml, preferably between about 0.5 and 10 mg / ml, more preferably between about 1 and 5 mg / ml, most preferably between about 1 and 4.5 mg / ml.
- Lower doses are discussed for the treatment of asthma, which can be in the range of 0.25 - 5 mg / ml.
- nozzle or electronic nebulizer such as the AerX, AeroNeb Go, Omron U22, or eFlow, it is advantageous to use small-volume solutions ( ⁇ 2 ml) in higher concentrations.
- the composition namely as an inhalation solution for the prophylaxis or therapy of lung transplant rejection reactions
- the cyclosporin content is as high as possible and the inhalation time is therefore as short as possible.
- the content of cyclosporin - this applies in particular to cyclosporin A - should preferably be at least about 0.5 mg / ml, eg. B. between about 0.5 and 10 mg / ml.
- a content of about 1-5 mg / mL is even better, which can also be achieved by using the features of the invention.
- compositions have a cyclosporin A content for topical use on the skin or for instillation in the eyes and ears of 0.1-2% and for the prophylaxis or treatment of respiratory diseases of 0.5-5 mg / ml or else more, e.g. B. a content between about 5 - 10 mg / mL,
- the required content of the surface-active auxiliaries depends on the content of cyclosporin A. If lower concentrations of 0.5-1% active ingredient are solubilized, the lecithin / surfactant content can be reduced proportionally.
- the phospholipid content of the composition should be between about 0.2 and about 15 weight percent, and preferably in the range of about 1 to about 8 weight percent.
- the nonionic surfactant should be present at a level of about 0.01 to about 5% by weight, and preferably the level should be in the range of 0.1 to 2% by weight, especially in the event that a polysorbate is selected, e.g. B. Polysorbate 80.
- the weight ratio between the phospholipid or the phospholipid component and the nonionic surfactant is particularly important for the solubilizable amount of cyclosporin per unit volume.
- a ratio between approximately 15: 1 and 9: 1 is preferred, in particular between approximately 14: 1 and 12: 1, that is to say e.g. B. in the range of about 13: 1. These preferred ranges also apply very particularly in the event that a polysorbate such.
- B. Polysorbate 80 is selected as the nonionic surfactant.
- the weight ratio between the two solubilizing auxiliary components, that is to say the phospholipid and the nonionic surfactant on the one hand, and the cyclosporin on the other hand is generally to be chosen between about 5: 1 and about 20: 1.
- the ratio is about 8: 1 to about 12: 1, e.g. B. at about 10: 1.
- composition according to the invention has the advantage that it can contain a relatively high content of a sparingly soluble cyclosporin in solubilized form.
- the cyclosporin is present in masked form, which is particularly advantageous for all oral, oromucosal, nasal and pulmonary forms of use, including the particularly preferred use of the preparation for the manufacture of a medicament for topical therapy of the skin, on the eyes, nose and ears and especially for inhalation prophylaxis or treatment of lung graft rejection.
- composition can contain further, customary and customary pharmaceutical auxiliaries for the respective application. Suitable auxiliaries are known to the person skilled in the art.
- auxiliaries are known to the person skilled in the art.
- pH corrections for adjusting the pH can be included, such as physiologically acceptable bases, acids, or salts, optionally also as a buffer mixture.
- physiologically acceptable does not mean that one of the excipients can be tolerated alone and undiluted must what z. B. would not be the case with sodium hydroxide solution, but in its concentration contained in the preparation.
- Suitable pH corrections for adjusting the pH should also be selected taking into account the intended route of application.
- suitable auxiliaries from this group are sodium hydroxide solution, basic salts of sodium, calcium or magnesium such as.
- citrates, phosphates, acetates, tartrates, lactates etc. amino acids, acidic salts such as hydrogen phosphates or dihydrogen phosphates, in particular of sodium, and also organic and inorganic acids such as.
- hydrochloric acid sulfuric acid, phosphoric acid, citric acid, cromoglycic acid, acetic acid, lactic acid, tartaric acid, succinic acid, fumaric acid, lysine, methionine, acidic hydrogen phosphates with sodium or potassium, etc.
- the composition - with or without pH correction - is adjusted to a neutral or acidic pH.
- the pH is preferably in the range from a maximum of about 8.5, or in the range from about 2.5 to about 7.5. If e.g. B.
- a pH value of approximately 4 to approximately 7.5 is preferred, provided that this can be reconciled with other requirements of the respective formulation, such as stability aspects.
- a composition which is buffered with a phosphate buffer in the range from pH 6.7 to 7.5 and in particular in the range from pH 6.7 to 7.3 is particularly preferred, as a result of which the stability of the liposomal formulation is markedly improved and the occurrence of undesired lysolecithin is effectively reduced during storage can (see example 4).
- the preparation can contain osmotically active auxiliaries for setting a desired osmolality, as is important for certain applications such as for parenteral injection or for inhalation or other topical application in the sense of good tolerance.
- auxiliaries are often referred to as isotonizing agents, even if their addition does not necessarily lead to isotonicity, but only to approximate physiological osmolality with the aim of achieving the best possible physiological tolerance.
- a particularly common isotonizing agent is sodium chloride, but it is not always suitable. In one advantageous embodiment of the invention, no common salt is present, although the ubiquitous amounts of sodium chloride, which can also be contained in pharmaceutical water qualities, are of course are taken.
- a largely neutral salt is contained in the preparation as an isotonizing agent, which is not table salt, but z. B. a sodium sulfate or sodium phosphate.
- salts other than sodium salts are more preferable. It is known from certain calcium and magnesium salts that they can have a positive or supportive influence when inhaling active ingredient solutions, possibly because they themselves counteract the local irritation caused by the application and exert a bronchodilator effect that is currently in the clinical literature is postulated (e.g. BR Hughes et al., Lancet.
- physiologically acceptable organic auxiliaries can also be used as isotonizing agents.
- Water-soluble substances with a relatively low molecular weight for example, are particularly suitable.
- auxiliary substances are sugar and sugar alcohols, in particular mannitol and sorbitol, xylitol, trehalose,
- the amount of the selected isotonizing agent is to be adjusted in such a way that, taking into account the other constituents contained in the composition, an osmolality of at least about 150 mOsmol / l results.
- An osmolality in the range of approximately 150 to 800 mols / l is furthermore preferred.
- the preparation has an osmolality of about 250 to about 600 mOsmol / l, or of about 250 to 400 mOsmol / l.
- the preparation has a surface tension of approximately 25 to 75 mN / m under normal conditions, ie at room temperature and under normal pressure, with the aid of efficient atomization with a high proportion of respirable droplets with a diameter of at most 5 ⁇ m to allow common nebulizers.
- the surface tension can be set to certain values, e.g. B. can be set to about 30 to about 65 mN / m. Even more, a surface tension of about 30 to about 45 mN / m is currently preferred, but this cannot always be achieved if other formulation parameters are in the foreground. In contrast, the surface tension should not fall below approx. 25 mN / m.
- the surface tension reduced by a surfactant can help to improve the spreading of the aerosol in the lungs, which in turn can have a positive influence on the effectiveness of the application.
- the viscosity of the composition can also be important in the case of inhalative use.
- the composition of the invention has a dynamic viscosity of about 1.0 to 3.0 mPa.s under normal conditions. In a further preferred embodiment, the viscosity is between about 1, 2 and 2 mPa-s.
- the preparation can contain other customary auxiliaries, such as stabilizers, antioxidants, taste improvers, flavors, sweeteners, colorants, etc., as are available to the person skilled in the art for formulating preparations depending on the intended use.
- auxiliaries such as stabilizers, antioxidants, taste improvers, flavors, sweeteners, colorants, etc.
- the liposomal preparation according to the invention can be produced by high-pressure homogenization.
- the water-soluble components can be presented in the form of an aqueous solution in which the cyclosporin is dispersed and then converted into liposomes in a high pressure feminization process, the size of the liposomes and the polydispersity index being adjustable by adjusting the pressure and number of cycles.
- the composition or concentrate according to the invention is preferably filled aseptically in single or multi-dose containers. Suitable primary packaging is e.g. B. polypropylene or polyethylene vials (PP / PE vials) and cycloolefin copolymer blister (COC blister) or polytherephthalate (PET blister).
- containers made of other polymers or copolymers can also be used suitable for a blow-fill-seal process or thermoplastic process.
- Sealed plastic containers such as PP or PE vials can, for example, be advantageously molded, infested and sealed using the blow-fill-seal process in an integrated process.
- the containers produced in this way are particularly suitable for liquid fillings with a volume of about 0.2 ml and above and are suitable in small volumes for instillation in the eye and ear.
- volumes of 0.2 - 5 ml content can ideally be filled, preferably 0.5 to 5 ml. They can be shaped with a closure in a particularly patient-friendly manner. which can be removed by turning or kinking and is not sharp-edged due to its special shape and allows drop-shaped, easy-to-dose removal.
- the opening through which the liquid content can be removed can also be designed in such a way that it fits on a Luer connection or Luer lock connection.
- the opening can be round and have a diameter that largely corresponds to the outside diameter of a male Luer connector.
- an ordinary syringe with a Luer connection could be connected to the container in a coherent manner, for example in order to take up the contents of the container and transfer it to a nebuliser, or to mix the contents of the container with the contents of the syringe and then into a nebuliser to give.
- the plastic container is designed in such a way that, after removal of the closure element, it can be largely conclusively connected to a connection piece of a correspondingly adapted nebulizer provided for the supply of liquid, so that the preparation is filled directly into the Reservoir of the inhaler is enabled.
- Plastic containers of this type are also advantageous because they can easily be embossed, which also allow blind people to identify a product.
- this makes it possible to dispense with paper labels, which is desirable in order to avoid the migration of constituents of the adhesive, the paper or the printing ink through the container wall into the preparation.
- Such information can also make important information accessible to visually impaired patients.
- the embossing can contain various information, e.g. B. a batch name, a best before date, a product name, instructions for use, or one or more volume or dose brands.
- multi-dose containers which contain a preparation as described above and which are further designed in such a way that they permit the aseptic removal of a single dose.
- the multi-dose container can therefore be a glass or plastic container with a seal made of an elastomer that can be pierced with a cannula, or it can be a complex container with a metering and removal device, as described by Preservative-free nasal sprays are known, so that the preparation according to the invention does not have to be preserved and can be sprayed into the nose or other body cavities or sprayed onto the skin, as is known from the application for treating athlete's foot.
- a preservative-free pump spray offers great advantages, especially when treating psoriasis or neurodermatitis, because it allows the liposomes to be applied to the damaged and inflamed skin in a very homogeneous and hygienic manner.
- One of the particular advantages of multi-dose containers in connection with preparations for inhalation is the flexibility, which allows individual dose adjustments without any problems, without having to discard substantial amounts of preparation, as is the case with single-dose containers after they have been opened.
- patients can be cared for particularly efficiently and potentially inexpensively at the same time through individual dose adjustment.
- Special requirements for the therapy of individual patients can also be easily taken into account.
- any nebulizer that can be used in therapy can be used for the preferred aerosolization of the preparation.
- the tried-and-tested jet nebulizers are in principle just as suitable as newer ultrasonic or piezoelectric nebulizers.
- the advantage of the jet nebulizer is that it is already very widespread and can be obtained relatively inexpensively. Many patients are already adept at dealing with common jet nebulizers.
- Some younger generation jet nebulizers e.g. PARI LC PLUS® and PARI LC SPRINT® use mechanisms that adapt the nebulization to the breathing rhythm of the patient, so that the largest possible proportion of the aerosol generated is also available for inhalation .
- a modern piezoelectric or electronic vibrating membrane nebulizer in particular with a nebulizer such as the eFlow TM type from PARI.
- a nebulizer such as the eFlow TM type from PARI.
- the particular advantage for the patient when using this device is the considerably shorter inhalation time compared to alternative methods.
- the device not only aerosolizes a large amount of liquid per unit of time, it also produces a particularly high-quality aerosol with a high proportion of small, respirable aerosol droplets with a narrow droplet distribution spectrum, which typically have a geometric standard deviation ⁇ 1.6.
- Other potentially suitable vibrating membrane nebulizers are e.g. B. the devices AeroNeb Pro or -Go, ProDose, or I-Neb.
- the decisive factor for therapeutic success is the reliable and adequate availability of the active ingredient in the lungs. It is patient-friendly to do this within an acceptable period of time. Inhalation times as short as possible are preferred by patients, and inhalation times of more than about 10 minutes could already have a negative impact on compliance. It is also sensible to carry out the inhalation either by continuous inhalation or by means of a "breath trigger” or a "guided breathing pattern", as is the case e.g. with an atomizer of the type eFlow in connection with an Akita inhalation device (from InaMed). A breathing maneuver that extends through a slow, deep inhalation over a period of 4 -10 seconds, stopping the breath for up to 10 seconds and a rapid exhalation is particularly preferred.
- the active ingredient is distributed very uniformly in the lungs, with about 50% being deposited centrally and peripherally, what is therapeutically sensible. If too much was deposited peripherally, there would be an increased systemic absorption, which is known to lead to kidney damage in high concentrations.
- the nasal, oral, ophthalmic, mucosal, parenteral or topical application of the composition of the invention can also be advantageous in individual cases.
- the application can be carried out by applying, instilling, spraying or spraying in the composition which has been found to be extremely well tolerated in the first human experiments.
- cyclosporin Due to its immunosuppressive effect, cyclosporin can be used in very different indications, e.g. B. for the prophylaxis and therapy of graft rejection after very different transplants (kidney, liver, heart, heart-lung, lung, pancreas, bone marrow, etc.), prophylaxis and therapy of graft-versus-host disease, therapy of endogenous Uveitis, the manifest, non-infectious intermediate or posterior uveitis, Behcet-Uveitis, the severe and resistant psoriasis, especially of the plaque type, in the nephrotic syndrome due to glomerular diseases such as minimal glomerular changes, focal segmental glomerulosclerosis or membranous, rheumatoid arthritis Arthritis, therapy-resistant forms of prolonged atopic dermatitis as well as other diseases that make local or systemic immunosuppression appear appropriate, such as in the treatment of asthma or eye diseases. According to recent findings, cyclo
- composition according to the invention is the prophylaxis or treatment of diseases of the skin, in particular psoriasis, neurodermatitis, eczema, or rejection reactions after a skin graft.
- the treatment can e.g. B. happen that the composition is filled into a pump spray and applied as a spray on the diseased skin.
- one of the particularly preferred applications of the compositions according to the invention is the prophylaxis and therapy of the lungs gene transplant rejection and preventing or delaying the occurrence of boncholitis obliterans. In many cases, this disease also occurs after a bone marrow or stem cell transplantation, which is why inhalation is considered to be particularly suitable for preventing or treating clinical pictures such as, for example: bronchiolitis obliterans.
- the composition must be inhaled in the form of an aerosol.
- Local therapy has the advantage over systemic (e.g. via oral administration) that the active substance is brought to the site of action, which on the one hand can increase the effectiveness, on the other hand reduces the systemic burden on the organism and reduces the tolerability of the therapy.
- the active ingredient Due to the liposomal packaging of the active ingredient and the size of the liposomes of at most 100 nm on average, the active ingredient can permeate from the airways through the epithelial lung cell layer particularly well into the lung tissue and become effective there. In a further variant, liposomes with an average diameter of 30 to 80 nm are preferred.
- the preferred features discussed above should be selected, taking into account the nebulizer that is intended for application, in such a way that the generation of an aerosol with the largest possible fraction of respirable droplets is preferred. In particular, the proportion of droplets below a limit of about 2-4 ⁇ m in diameter should be as large as possible.
- An electronic one is particularly preferred
- Vibrating membrane nebulizer with a perforated stainless steel membrane which contains approx. 4000 pores of a defined size, with which an aerosol with a defined particle spectrum can be generated quickly and efficiently (Martin Knoch & Manfred Keller: The customized electronic nebulizer: a new category of liquid aerosol drug delivery Systems, Expert Opin, Drug DeNv. (2005) 2 (2): 377-390).
- the liposomal preparation according to the invention can thus be inhaled without destroying the liposomes either in a continuous or breath-controlled or guided aerosol generation mode or in a respirator so that a very high proportion of active ingredient can be deposited in the lungs in a short time.
- the main advantage of this inhalation system is that the dose that can be inhaled from the mouthpiece is greater than 50% and up to 98% of the droplets produced have a diameter of less than 5 ⁇ m and up to 80% an average geometric diameter of less than 3.5 ⁇ m have, so that the active ingredient can be deposited specifically in the distal areas of the lungs with greater efficiency than in the case of compressor nozzle vapors.
- the composition can contain one or more other active ingredients.
- An additional active Substance can be selected, for example, from the group of immunomodulators, interferons, steroidal and non-steroidal anti-inflammatory active substances, heparinoids, beta-agonists, anticholinergics, endothelin and phosphodiesterase inhibitors, antibiotics, antifungals, antiviral substances and cytostatics.
- combination therapy can be achieved in that the composition according to the invention contains only cyclosporin as the active substance, but is administered in combination with another preparation which contains another active substance.
- composition according to the invention in particular inhalation administration, can be administered without premedication.
- administration without premedication with local anesthetics such as e.g. Lidocaine and / or without premedication with bronchodilators such as Salbutamol done.
- the composition is preferably sterile, in particular if it is intended for pulmonary, parenteral or ophthalmic application. Furthermore, it is preferably largely free of solid particles that are larger than about 3 ⁇ m. It is advantageous if, for. B. the entire active ingredient contained is in liposomally solubilized form. Accordingly, solid active ingredient particles should be largely absent, especially solid active ingredient particles with a diameter of more than about 500 nm. Also advantageous are compositions which are largely free of solid particles of any substance with a diameter of more than 500 nm. As already mentioned, the composition can be used as a medicine, e.g. B.
- autoimmune diseases for the prophylaxis or treatment of autoimmune diseases, skin diseases, after transpianations or diseases of the sensory organs (eyes, nose, ear), sensory disorders, and lung diseases, such as asthma, chronic obstructive bronchitis, parenchymal, fibrotic and interstitial lung diseases or inflammation, lung cancer , and preferably for the prevention and treatment of acute or chronic graft rejection reactions and their secondary diseases such as bronchiolitis obliterans, in particular after lung, heart, bone marrow or stem cell transplantation, particularly preferably after lung transplantation. It can also be used to improve the effectiveness of other medicaments, in particular cytostatics, in which an additive or synergistic effect can be achieved by cyclosporin through the "efflux pump inhibition" effect.
- the pharmaceutical composition according to the invention has the following advantages, among others:
- the liposomes can also be produced in a one-step process on a large scale up to 1000 kg by means of high-pressure homogenization and disinfection by a subsequent sterile filtration with a pore diameter of 0.22 ⁇ m is possible.
- the liposomes can diffuse well into the lung tissue via the respiratory tract.
- - Inhalation has to be carried out only 1 to 3 times a day and particularly preferably only 1 to 2 times a day in order to achieve a therapeutic effect.
- the composition has a sustained release effect on the target organ and in certain cases only has to be inhaled 1 - 4 times a week and particularly preferably only every other day.
- composition can be stored for at least 12 months and particularly preferably up to 36 months when stored in a refrigerator (4 - 8 ° C).
- composition can also be used in ventilation machines or in connection with systems for a controlled breathing maneuver, such as the eFlow-Akita.
- Example 1 Solution for topical treatment for spraying on the skin
- the water-soluble excipients listed in the table above are weighed into a 1 liter Erlenmeyer flask and dissolved in water with stirring, after which the lecithin (Phospholipon G 90), dexpanthenol, tocopherol acetate and the active ingredient ( Cyclosporin A) added and dispersed with stirring. The mixture is then homogenized in the Ultraturax for about 10 minutes and transferred to a high-pressure homogenizer. At approx.
- this mixture is homogenized until a colloidal preparation is obtained whose droplet or particle size in a Malvern Zetasizer has a diameter ⁇ 100 nm and a polydispersity index ⁇ 0.4.
- the colloidal preparation is then sterile filtered in a sterile bench and 20 ml each are filled into pre-sterilized amber glass bottles and then sealed with a pump spray attachment, which enables sterile multiple removal.
- Example 2 Colloidal solution for inhalation A colloidal preparation from the components listed in the table below is prepared as described above and after sterile filtration, 4 ml are filled into sterile 6 ml amber glass bottles and sealed. The content is then transferred to the medication reservoir of an electronic nebulizer, such as the PARI eFlow, if necessary, and the resulting aerosol can then inhaled to avoid rejection reactions after lung transplantation or the formation of bronchiolitis obliterans.
- an electronic nebulizer such as the PARI eFlow
- the pH of the clear, slightly opalescent liposomal solution at 20 "C was 4.5, the osmality 0.32 osmol / kg.
- the dynamic viscosity was found to be 1.35 mPas, the surface tension was 36 mN / m.
- the colloidal solution was aerosolized with a specially adapted PARI eFlow vibrating membrane nebulizer and the aerosol was characterized with a PARI breath simulator.
- Two different inhalation maneuvers were tested, namely that of a child (16 breaths per minute with a volume of 225 ml each, ratio of inhalation to exhalation of 40:60) and that of an adult (15 breaths per minute with a volume of 500 ml each, Inhalation to exhalation ratio of 1: 1).
- the aerosol characteristics are listed in the following table:
- Aerosol losses [ ⁇ g] 2872.5 255.9 2763.3 376.2
- Aerosol dose [% dose filled] 66.5 4.5 62.9 8.4
- the particle size fractions relevant for pulmonary administration were also determined from the same inhalation solution by laser diffraction measurement at different aerosol application rates (see table below). A particularly high efficiency of aerosol delivery and simulated deposition was shown, which allows a very short inhalation time and is largely independent of the respective inhalation maneuver.
- Calu-3 cells (HTB-55, ATCC, Manassas, VA, USA) in Minimum Essential Medium (MEM) with Earl's Salts were supplemented with L-glutamine (PAA Laboratories GmbH, Pasching, Austria), 10% fetal bovine serum, 1% non-essential amino acid solution and 55 mg / 500 ml of sodium pyruvate are cultivated.
- MEM Minimum Essential Medium
- PAA Laboratories GmbH Pasching, Austria
- 10% fetal bovine serum 1% non-essential amino acid solution
- 55 mg / 500 ml of sodium pyruvate are cultivated.
- the formation of confluent monolayers with tight junctions was confirmed by measuring the transepithelial electrical resistance (TEER) with a suitable voltmeter (EVOM, World Precision Instruments, Berlin, Germany) and an STX-2 electrode.
- TEER transepithelial electrical resistance
- EVOM World Precision Instruments, Berlin, Germany
- the age of the cell monolayer was approximately 14 days in the investigations with the cyclosporin solution.
- the culture medium was first removed, the monolayers washed and preincubated with Ringer hydrogen carbonate buffer solution for 20-30 minutes.
- the liposomal solution was then added using a pipette.
- the TEER was measured immediately after application and 120 min later. The cells were then washed again and incubated with culture medium for 24 hours. The TEER was then measured again.
- Ringer bicarbonate buffer solution KRB
- propylene glycol propylene glycol
- a cyclosporin A solution in propylene glycol (62.5 mg / ml)
- an aqueous sodium dodecyl sulfate solution SDS
- the measured TEER values show that the composition according to the invention has no or only a very slight and predominantly reversible influence on the integrity of the Calu-3 monolayer.
- sodium dodecyl sulfate (SDS) synonymously sodium lauryl sulfate, propylene glycol and cyclosporin A dissolved in propylene glycol, cause considerable and largely irreversible damage to the Calu-3 cell monolayer.
- SDS sodium dodecyl sulfate
- propylene glycol should not be a suitable carrier for cyclosporin A for inhalation use.
- colloidal solutions are particularly suitable for inhalation. They can also be used for topical and ophthalmic applications.
- the aerosol was characterized in a breath simulation test using a PARI breath simulator, whereby the typical inhalation pattern of an adult (see example 2) was set, and by a cascade impactor of the type Next Generation Impactor at a flow rate of 15 l / min. a temperature of 23 0 C and a relative humidity of 50%.
- the aerosol characteristics were obtained, which are listed in the table below.
- the inhalation time was 11 minutes.
- the respective CsA fractions were calculated after determination of the active ingredient by means of an HPLC content determination.
- the inhalation solution was radiolabeled with "mTc-DTPA, subjected to the same experimental setup and the aerosol characteristics determined by the radioactivity of the deposited fractions. The measurement results of both experiments largely corresponded.
- FIG. 3 shows the distribution of the aerosol fractions on the respective Impak - Gate levels (based on radioactivity measurement and HPLC), where the values on the abscissa have the unit ⁇ m.
- a gamma scintigraphy study to determine the lung deposition of CsA in vivo was also carried out with the preparation.
- 12 patients with lung transplants (7 with bilateral [DLTx] and 5 with unilateral [SLTx] transplants) were treated with 2 ml (approx. 10 mg CsA) of the inhalation solution.
- Each administered dose of the inhalation solution was previously radiolabeled with 4 MBq 88mTc-DTPA (Pentacis, CIS-Diagnostik) and then filled into a PARI eFlow 3OL electronic vibrating membrane nebulizer.
- the patients were instructed to inhale slowly and deeply. Each time the nebuliser reservoir was emptied, the patients' head and chest regions were recorded with a Siemens Diacam type gamma camera.
- Figure 1 shows a typical image of one of the treated patients with bilateral lung graft
- Figure 2 that of a patient with a unilateral graft.
- the images illustrate the even deposition of the fine aerosol in the lungs. Inhalation was well tolerated by all patients; no premedication was necessary, as was necessary according to the literature for inhalation of a known CsA preparation in which the active ingredient had been dissolved in propylene glycol.
- the quantitative determination of the radioactivity showed an average lung deposition of 36% of the dose of CsA filled into the nebulizer.
- the relative deposition in the lungs was slightly higher for the lower 2 ml dose than for the higher 4 ml dose.
- the table below summarizes the results.
- the liposomal CsA inhalation solution only passes into the blood to a small extent after inhalation, in particular has a very short half-life of 5.2 or 6.1 hours.
- Previously published data (Corcoran TE et al .: Preservation of post-transplantation function with aerosol cyclosporin. Eur. Respir. J., 23 (3), 378-83 (2004)) speak of a half-life of approximately 40 hours inhalation of 300 mg CsA / propylene glycol inhalation solution.
- the advantage of the short half-life is the possibility of more frequent administration, e.g. one or two doses per day. As a result, more uniform therapy levels can also be achieved in the lungs and more reliable therapy will result.
- Example 5 Colloidal solution for instillation in the eye
- a colloidal preparation from the components listed in the table below is prepared as described above and after sterile filtration 0.25 ml each are aseptically under a laminar air flow in sterile pear-shaped 0.5 ml polyethylene blow fill seal vials (PE), which are formed with sterile nitrogen , filled and then welded into aluminum blisters that are gassed with nitrogen.
- PE polyethylene blow fill seal vials
- the colloidal solution can be instilled into the eye from these sterile unit dose vials, which allow drop-shaped product removal, e.g. treat a rejection reaction after a corneal transplant or other inflammatory processes.
- Example 6 0.2 g each of Ciclosporin A and Tacrolimus are dispersed in a liposomal isotonic placebo solution, which contains lecithin and polysorbate 80 in a weight ratio of 10: 1 in an isotonic saline solution, with the aid of an Ultraturax and then homogenized in a microfluidizer at 1500 bar in several cycles as high pressure that a colloidal preparation with a diameter of less than 80 nm and a polydispersity index ⁇ 0.35 is obtained in a Malvern Zetasizer.
- sterile polyethylene blow fill seal vials PE
- the colloidal solution from these sterile unit dose vials can be used for pulmonary, nasal or topical application to treat unwanted autoimmune diseases.
- Example 7 Liposomal solution for inhalation or for use on the eye and ear
- 0.4% ciclosporin A and 0.04% budesonide are dispersed in an isotonic, colloidally dispersed placebo solution made from 10% Lipoid S 100, 0.7% polysorbate 80, 0.8% sodium chloride and 0.01% sodium EDTA and tocopherol acetate, which is produced by means of high-pressure homogenization incorporated that a liposomal preparation with a diameter ⁇ 75 nm and a polydispersity index ⁇ 0.3 is obtained.
- PCS photon correlation spectroscopy
- nebulisers After sterile filtration, 0.25 ml are filled in each case for eye and ear treatment and 2 ml each for use in nebulisers in polypropylene vials which are gassed with nitrogen and individually welded into nitrogen-blown aluminum blisters for better durability.
- the product After nebulization with the electronic nebulizer eFlow, the product is used to treat lung diseases such as Asthma and COPD inhaled.
- Ciclosporin A and sirolimus are placed in an isotonic, colloidally dispersed placebo solution made from high-pressure homogenization and consisting of 40% Lipoid S 100, and 2% Polysorbate 80, and Vitamin E-TPGS, 0.8% sodium chloride and 0.02% sodium EDTA ) dispersed and so colloidally dispersed tet that a liposomal preparation with a diameter ⁇ 100 nm and a polydispersity index ⁇ 0.3 is obtained.
- 2 ml each are filled into polyethylene vials that have been gassed with nitrogen and individually welded into nitrogen-gassed aluminum blisters for better durability.
- the product is used by inhalation to treat interstitial lung diseases such as sarcoidosis and pulmonary fibrosis. Alternatively, it can also be used for instillation in the eye after corneal transplants.
- Example 9 Colloidal solution for topical treatment of skin, eye and ear
- the water-soluble excipients listed in the table above are weighed into a 1 liter Erlenmeyer flask and dissolved in water with stirring, then the lecithin (Lipoid S 100 or also Phospholipon G 90) and the active ingredient (cyclosporin) are added and dispersed with stirring.
- the mixture is then homogenized in the Ultraturax for about 10 minutes and transferred to a high-pressure homogenizer. At approx. 1500 bar, this mixture is homogenized until a colloidal preparation is obtained whose droplet or particle size in a Malvern Zetasizer has a diameter ⁇ 100 nm and a polydispersity index ⁇ 0.4.
- the colloidal preparation is then sterile filtered in a sterile bench and filled into pre-sterilized brown glass vials with volumes of 5 - 50 ml and then sealed with a sterile pump dosing attachment, which enables drop-shaped sterile multiple withdrawal.
- Example 10
- 3% dexpanthenol and then 1% ciclosporin A, respectively, are added to an isotonic, colloidally dispersed placebo solution made by high-pressure homogenization, consisting of 40% phospholipon and 2% polysorbate 80, and vitamin E-TPGS, 0.8% sodium chloride and 0.02% sodium EDTA.
- Amphotericin B dispersed and colloidally dispersed so that a liposomal preparation with a diameter ⁇ 100 nm and a polydispersity index ⁇ 0.3 is obtained.
- 2 ml each are filled into polyethylene vials that are fumigated with nitrogen and individually welded into nitrogen-fused aluminum blisters for better durability.
- the product is used by inhalation for the prevention and treatment of possible rejection reactions after transplantation of organs or parts of organs such as the lungs, nose, skin, cornea, ear and the resulting complications.
- Example 11 In an isotonic, colloidally dispersed placebo solution prepared by means of high-pressure homogenization, consisting of 20% phospholipon and 1% polysorbate 80 each, and vitamin E-TPGS, 0.8% sodium chloride and 0.02% sodium EDTA, 2% each of hyaluronic acid and sodium cromoglycate and 1% Ciclosporin A dispersed and incorporated colloidally so that a colloidally disperse preparation with a diameter ⁇ 100 nm and a polydispersity index ⁇ 0.3 is obtained. After sterile filtration, 2 ml each are filled into polyethylene vials that have been gassed with nitrogen and individually welded into nitrogen-gassed aluminum blisters for better durability.
- the product is used by inhalation for the prevention and treatment of chronic obstructive bronchitis, parenchymal, fibrotic and interstitial lung diseases and inflammations, as well as topically for the suppression of autoimmune diseases and wound healing of the skin, nose and ear.
- a liposomal inhalation solution containing cyclosporin A (4.5 mg / ml), phospholipid (Lipoid S100, 40 mg / ml), polysorbate 80 (Tween 80, 3 mg / ml), sodium chloride (8.5 mg / ml) and disodium Edetate (0.5 mg / ml).
- the homogenization was carried out with a high pressure homogenizer at 1500 bar and 2 cycles.
- the average particle size of the liposomes was about 50 nm (measured as z-average) with a polydispersity index of about 0.25.
- the liposomes (2 ml each) were filled into specially shaped 3 ml vials, which can be positively fitted into a rotating lift lid of an eFlow.
- the membrane of the PE vial is pierced, so that the contents can be inhaled into the nebuliser without manual filling.
- the liposomal formulation can also be combined with water-soluble active ingredients, as can be seen from the examples listed below.
- the water-soluble auxiliaries are weighed into a 200 liter batch kettle in accordance with the weight composition (w / w) as listed in the tables below and dissolved in water for injection purposes with stirring.
- the water-soluble active ingredients such as, for example, heparin sodium (recipe A) or salbutamol sulfate (recipe B), are then dissolved therein, lecithin and the lipophilic cyclosporin A are added and dispersed with stirring, then the mixture is homogenized in an ultraturax for about 10 min and mixed in transferred a high pressure homogenizer.
- pe A heparin sodium
- pe B salbutamol sulfate
- this mixture is homogenized under high pressure in 5 cycles.
- a sample is then drawn and the specification checked in accordance with the in-process control. If the droplet or particle size, measured in a Malvern Zetasizer ⁇ 100 nm and this has a polydispersity index ⁇ 0.35, the colloidal preparation is sterile filtered. In each case, 2 ml are filled in an aseptic filling process in a sterile room using a blow fill process in polyethylene ampoules and 5 pieces are sealed in nitrogen-blown aluminum blister films.
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Abstract
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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AT06818907T ATE554746T1 (de) | 2005-12-06 | 2006-11-29 | Pharmazeutische zusammensetzungen mit cyclosporin |
CA2639696A CA2639696C (en) | 2005-12-06 | 2006-11-29 | Pharmaceutical compositions comprising cyclosporin |
EP06818907A EP1968538B1 (de) | 2005-12-06 | 2006-11-29 | Pharmazeutische zusammensetzungen mit cyclosporin |
US12/086,141 US9161963B2 (en) | 2005-12-06 | 2006-11-29 | Pharmaceutical compositions comprising cyclosporin |
AU2006322342A AU2006322342B2 (en) | 2005-12-06 | 2006-11-29 | Pharmaceutical compositions comprising cyclosporin |
BRPI0619475A BRPI0619475B8 (pt) | 2005-12-06 | 2006-11-29 | Composições farmacêuticas na forma de lipossomas compreendendo ciclosporina a, seu método de preparo e usos |
ES06818907T ES2382884T3 (es) | 2005-12-06 | 2006-11-29 | Composiciones farmacéuticas con ciclosporina |
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DE102005058252.4 | 2005-12-06 | ||
DE102005058252 | 2005-12-06 | ||
DE102006051512A DE102006051512A1 (de) | 2005-12-06 | 2006-10-31 | Pharmazeutische Medikamentenzusammensetzungen mit Cyclosporin |
DE102006051512.9 | 2006-10-31 |
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WO2007065588A1 true WO2007065588A1 (de) | 2007-06-14 |
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US (2) | US9161963B2 (de) |
EP (1) | EP1968538B1 (de) |
AT (1) | ATE554746T1 (de) |
AU (1) | AU2006322342B2 (de) |
BR (1) | BRPI0619475B8 (de) |
CA (1) | CA2639696C (de) |
DE (1) | DE102006051512A1 (de) |
ES (1) | ES2382884T3 (de) |
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WO2020002351A1 (en) | 2018-06-27 | 2020-01-02 | Breath Therapeutics Gmbh | Inhalable compositions comprising macrocyclic immunosuppressants |
WO2020115032A1 (en) | 2018-12-04 | 2020-06-11 | Breath Therapeutics Gmbh | Inhalable compositions for use in the treatment of pulmonary diseases |
WO2021130170A1 (en) | 2019-12-23 | 2021-07-01 | Zambon S.P.A. | Process for the preparation of dispersions comprising inhalable immunosuppressive active ingredients |
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WO2019197406A1 (en) | 2018-04-11 | 2019-10-17 | Breath Therapeutics Gmbh | Cyclosporine formulations for use in the treatment of bronchiolitis obliterans syndrome (bos) |
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WO2021130170A1 (en) | 2019-12-23 | 2021-07-01 | Zambon S.P.A. | Process for the preparation of dispersions comprising inhalable immunosuppressive active ingredients |
Also Published As
Publication number | Publication date |
---|---|
RU2421209C2 (ru) | 2011-06-20 |
CA2639696A1 (en) | 2007-06-14 |
WO2007065588A8 (de) | 2007-08-30 |
RU2008125986A (ru) | 2010-01-20 |
CA2639696C (en) | 2015-06-02 |
EP1968538A1 (de) | 2008-09-17 |
US9161963B2 (en) | 2015-10-20 |
DE102006051512A1 (de) | 2007-06-14 |
US20130177626A1 (en) | 2013-07-11 |
AU2006322342A1 (en) | 2007-06-14 |
AU2006322342B2 (en) | 2012-05-24 |
BRPI0619475B1 (pt) | 2022-01-11 |
EP1968538B1 (de) | 2012-04-25 |
ATE554746T1 (de) | 2012-05-15 |
ES2382884T3 (es) | 2012-06-14 |
US20090169607A1 (en) | 2009-07-02 |
BRPI0619475B8 (pt) | 2022-03-29 |
US9724382B2 (en) | 2017-08-08 |
BRPI0619475A2 (pt) | 2011-10-04 |
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