Pharmaceutical composition for use in medical and veterinary ophthalmology

Abstract

The invention relates to the manufacturing and use of pharmaceutical compositions of medicines (ophthalmic preparations) comprising a mitochondria-addressed antioxidant and a set of auxiliary substances providing effective treatment for ophthalmological diseases in humans and animals.

Claims

1. A method of treating an eye pathology, comprising administering to a subject afflicted with such an eye pathology a therapeutically-effective amount of a pharmaceutical composition comprising: (a) from 1 nm to 25000 nm of a mitochondria-addressed antioxidant comprising: ##STR00010## (b) from 0.01% to 0.2% of a lipophilic, cationic concentration stabilizer that stabilizes a concentration of the mitochondria-addressed antioxidant by preventing reversible and irreversible absorption of the antioxidant to walls of a vial containing the pharmaceutical composition, the stabilizer comprising a benzalkonium salt, berberine, palmatine, tetraphenylphosphonium, tetrabutyl ammonium, or combinations thereof; and (c) from 0.001% to 1% of a prolongator comprising a disaccharide, a trisaccharide, a polysaccharide, methylcellulose, hydroxyethylcellulose, hydroxypropyl-methyl cellulose, carboxymethylcellulose, sodium chondroitin sulfate, sodium hyaluronate, carboxyvinyl polymer, polyvinyl ethanol, polyvinylpyrrolidone, macrogol, or combinations thereof.

2. The method of claim 1, wherein the eye pathology is macular degeneration of the retina.

3. The method of claim 1, wherein the eye pathology is cataract, senile cataract and/or diabetic cataract.

4. The method of claim 1, wherein the eye pathology is a retinopathy.

5. The method of claim 4, wherein the retinopathy is retinal detachment, detached retinal vessels, detached choroid, optic nerve retinopathy, optic nerve atrophy, central and peripheral chorioretinal dystrophies, or uveitis.

6. The method of claim 1, wherein the eye pathology is intraocular hemorrhage or traumatic hemorrhage.

7. The method of claim 1, wherein the eye pathology is conjunctivitis, eye ulcer, keratitis, or dry keratoconjunctivitis.

8. The method of claim 1, wherein the eye pathology is glaucoma.

Description

DESCRIPTION OF THE INVENTION

(1) This description provides a pharmaceutical composition (eye drops) which allows effective use of mitochondrial antioxidants for treatment of eye diseases in humans and animals.

(2) In general, composition of eye drops is a solution comprising the following components (formula 1):

(3) Component A1 is a mitochondria-addressed antioxidant;

(4) Component A2 is a pH buffer;

(5) Component A3 is a mitochondria-addressed antioxidant concentration stabilizer;

(6) Component A4 is a prolongator (thickener);

(7) Component A5 is an isotonic component; and

(8) Component A6 is a preservative.

(9) The therapeutic formulation also may optionally comprise one or more additional active ingredients (Component A7).

(10) Component A1 is a compound comprising a targeting moiety, a linker group, and an antioxidant. The general chemical structure of these compounds can be described by a following structure (I):

(11) ##STR00005##
wherein:

(12) A is effector moiety-antioxidant optionally having a following structure:

(13) ##STR00006##
and/or reduced form thereof, wherein: m is an integer from 1 to 3; each Y is independently selected from the group consisting of: lower alkyl, lower alkoxy; or two adjacent Y groups, together with carbon atoms to which they are attached, form a following structure:

(14) ##STR00007##
and/or a reduced form thereof, wherein: R1 and R2 may be the same or different and are each independently Lower alkyl or lower alkoxy; L is a linker group, comprising: a) a straight or branched hydrocarbon chain which can be optionally substituted by one or more substituents and optionally contains one or more double or triple bonds; and b) a natural isoprene chain; n is integer from 1 to 40, from 2 to 15, or from 5 to 11; B is a targeting group comprising: a) a Skulachev-ion Sk.sup.+Z.sup. where Sk is a lipophilic cation and Z is a pharmacologically acceptable anion; and b) a charged hydrophobic peptide containing 2-20 amino acid residues, and/or solvates, salts, isomers or prodrugs thereof.

(15) One of compounds for use as component A1 is SkQ1-bromide:

(16) ##STR00008##
and/or reduced forms thereof.

(17) However, any other pharmacologically acceptable anion such as Cl.sup., SO.sub.4.sup.2 etc. may alternatively be selected as the anion.

(18) Component A2 is a pH buffer comprising components pharmacologically acceptable in composition of eye drops. Buffers include phosphate buffer, acetate buffer, borate buffer, carbonate buffer, citrate buffer, Tris buffer, glutamine buffer, and epsilon-aminocaproic acid buffer.

(19) Component A3 is a concentration stabilizer for the mitochondrial antioxidant Component A1, preventing reversible and irreversible sorption of component A1 on the walls of a vial containing the pharmaceutical composition. Irreversible sorption implies both irreversible interaction of component A1 with vial wall material and any chemical transformation of component A1 which occurs as a result of a local increase in its concentration near the vial walls. A compound which is a lipophilic cation (Skulachev ion) of specific hydrophilic character (a benzalkonium ion with a pharmacologically acceptable anion (benzalkonium chloride), can be used as concentration stabilizer. It is also possible to use berberine, palmatine, tetraphenylphosphonium, tetrabutyl ammonium, and other similar compounds. Vial walls can optionally be chemically modified as follows. The concentration stabilizer can be covalently attached to the vial wall material. Also, in one embodiment, the vial wall material is selected in such a way that sorption (or interaction) of component A1 on the walls does not occur (or occurs but insignificantly). In this case, component A3 is not required.

(20) Component A4 is a prolongator (thickener), added into the eye drops in order to: a) increase the viscosity of the solution and thus increase the time the medicine is present on the ocular surface; b) stabilize the concentration of active ingredient after instillation (prevention of volume reduction due to moisture loss); and c) increase stability of active ingredient during storage. Di-, tri- and poly-saccharides including water-soluble cellulose derivatives, such as methylcellulose, hydroxyethyl cellulose, hydroxypropylmethylcellulose and carboxymethylcellulose, sodium chondroitin sulfate, sodium hyaluronate, carboxyvinyl polymer, polyvinyl ethanol, polyvinylpyrrolidone, and macrogol, etc. can be used as a prolongator.

(21) Component A5 is an isotonic component that endows the composition with osmotic properties suitable for eye drops. Sodium chloride, calcium chloride, glycerol, mannitol, sorbitol, boric acid, glucose, propylene glycol etc. can be used as the isotonic component. Sodium chloride is the preferred isotonic component.

(22) Components A6 is a preservative and optionally stabilizer of the eye drops, which can be selected from, but not limited to, the following compounds: benzalkonium chloride; enzethonium chloride; chlorhexidine gluconate; chlorbutanol; benzyl ethanol; sodium dehydroacetate; parahydroxybenzoates; sodium edentate; boric acid, etc.; sodium bisulfate; sodium thiosulfate; sodium edentate; sodium citrate; ascorbic acid; dibutyl hydroxy toluene, etc.

(23) Some compounds can perform functions of several components simultaneously. For instance, in one embodiment 0.1% benzalkonium chloride simultaneously performs function of the mitochondrial antioxidant concentration stabilizer and the function of the antimicrobial preservative (i.e., it serves as both component A3 and component A6).

(24) As part of a pharmaceutical composition, component A7 may constitute one and/or more compounds selected from the following groups of compounds which are both compounds, themselves, and names of preparations (and in this case is an active ingredient of corresponding preparation).

(25) Useful active components include antioxidants, astringents and cauteries, resolving agents, and hyposensitizing antibiotics.

(26) Useful antioxidants include N-acetyl cysteine, soluble vitamin E derivatives, ascorbic acid, mannitol, trolox, methylethylpiridinol, and taufon, etc.

(27) Useful antiseptics include furacilinum, potassium permanganate (Kaliihypermanganicum), brilliant green (Viride Nitens), iodine solution ethanol, tincture of iodine (sol. jodi spirituosae, tinctura iodi 5%), Hydrogen peroxide (Sol. Hydrogeniiperoxididiluta), Novoimaninum, Collargolum, Resorcinol (Resorcinum), and Zinc sulfate (Zinci sulfas).

(28) Useful astringents and cauteries include Tannin (Tanninum, Acidum tannicum), and Xeroform (Xeroformium).

(29) Useful resolving agents include Ethylmorphine hydrochloride, dionin (Aethylmorphini hydrochloridum, dioninum), Oxygen (Oxygenium), Sodium iodide (Natrium jodidum), and Potassium iodide (Kalium jodidum), Lydasum).

(30) Useful hyposensitizers include Alergoftal, Alomide, Spersallerg, Calcium chloride (Calcii chloridum), Calcium gluconate (Calcii gluconas), Diphenhydramine (Dimedrolum), Diprazinum, Pipolphen, Suprastin, Cusicrom, Maxidex, Prenacid, Lecrolyn, synonym Opticrom, and Hay-Crom).

(31) Useful antibiotics include Benzylpenicillin sodium (potassium) salt (Benzyl-penicillinum-natrium-kalium), Ampicillin trihydrate (Ampicillini trihydras), Ampicillin sodium salt (Ampicillinum-natrium), Methicillin sodium salt (Methicillinum-natrium), Tetracycline (Tetracyclinum), Metacycline hydrochloride, rondomycine (Methacyclinum hydrochloridum, Rondomycinum), Chloramphenicol (Laevomycetinum), Oletetrinum, Tetraolean, Sigmamycin, Synthomycin (Synthomycinum), Streptomycin sulfate (Streptomycini sulfas), Erythromycin (Erythromycinum), Gentamicin sulfate, garamycin (Gentamycini sulfas, Garamycin), Monomycin (Monomycinum), Neomycin (Neomycinum), Cefaloridinum, Ceporin, Lincomycin hydrochloride (Lincomycinum hydrochloridum), and Nystatin (Nystatinum).

(32) Useful anti-inflammatory and antibacterial preparations for local use include Garasone, Dexagentamycin, Maxitrol, Tobradex, Vitabact, Picloxidine, Fucithalmic, Colbiocin, Eubetal, Okacin, Lomefloxacin, Cipromed, and Ciprofloxacin).

(33) Useful sulfanilamide preparations include Sulfacyl-sodium, sulfacetamide (Sulfacylum-natrium), Sulfadimezin (Sulfadimezinum), Aethazol (Aethazolum), Sulfalen, sulfametopyrazine (Sulfalenum, Kelfizina), Sulfapyridazinum Sulfadimethoxin, and madribon (Sulfadimethoxinum).

(34) Useful antiviral preparations include Idoxuridin, Kerecid, Oftan-IDU, Poludanum, Tebrophen (Tebrophenum), Florenal (Florenalum), Oxolin (Oxolinum), Deoxyribonuclease (Desoxyribonucleasa), Zovirax, Aciclovir, Valtrex, Valaciclovir, and Licopid).

(35) Useful non-specific anti-inflammatory and reparative preparations include Amidopyrine, pyramidon (Amidopyrinum), Acetylsalicylic acid, aspirin (Acidumacetylsalicylicum), Phenylbutazone (Butadionum), Reopyrini, Indomethacin (lndometacinum), Pyrogenalum, Naclof, Diclo-F, and Diclofenac).

(36) Useful local anesthetics include Cocaine hydrochloride (Cocaini hydrocloridum), Novocaine (Novocainum), Dicain (Dicainum), Trimecainum, and Inocainum).

(37) Useful preparations for systemic use in ophthalmology include Glutamic acid (Acidumglutaminicum), Halidor, Dicynone, etamsylate Vinpocetini, vinpocetini-AKRI, cavinton, Trental, pentoxifylline, pentilin, pentomer, Solcoseryl, Taufon, taurine, Cerebrolysinum, and Emoxypine).

(38) Useful anti-cataract preparations include Viceinum, Vitaiodurolum, vitaphacol, Qinax, Cysteine (Cysteinum), ATP, and adenosine triphosphate (Sol. Natrii adenosintriphosphatis).

(39) Useful hypotensive anti-glaucoma medical preparations include Cholinomimetic preparations: Pilocarpine hydrochloride (Pilocarpini hydrochloridum), Carbachol (Carbacholum), Aceclidine (Aceclidinum), Anticholinesterase preparations: Armin (Arminum), Eserine (Eserinum), Proserin (Proserinum), Phosphacolum Tosmilen, demecarium bromide (Tosmilenum, Demecarii bromidum), Sympathomimetics-Adrenergic preparations: Adrenaline (Adrenalinum), eppy, epinephrine, Oftan-dipivefrin, Dipivalyl epiphrin, dipivephrin, Clophelin (Clophelinum), isoglaucon, Apraclonidin, iopidine, Antiadrenergic preparations-Beta-adrenergic blockers: Arutimol, timolol maleate, ocumed, optimol, timolol (Timololum), timolol-POS, blocarden, timoptic, Fotil, fotil-forte, Proxodolol, Betaxolol, betoptic, Prostaglandins: Latanoprost, xalatan, Combination therapies: Timpilo, Fotil, and Fotil-forte).

(40) Useful carbonic anhydrase inhibitors include Diacarb, acetazolamide, Trusopt, dorzolamide hydrochloride (Dorzolamide hydrochloridum), and Rescula (unoprostone).

(41) Useful mydriatics include, but are not limited to, Atropine sulfate (Atropini sulfas), Scopolamine hydrobromide (Scopolamini hydrobromidum), Homatropine hydrobromide (Homatropini hydrobromidum), Platyphylline hydrotertrate (Platiphyllini hydrotartras), Adrenaline hydrochloride (Adrenalinihydrochloridum) Phetanole (Phetanolum), Mydriacyl, tropicamid, Cyclomed Irifrin, and phenylephrine).

(42) Useful vitamins and their analogs include Vitamin A, retinol (Vitaminum A, Retinolum), Fish oil (Oleum Jecoris Aselli), Citral (Citralum), Thiamine bromide (Thiamini bromidum), vitamin B.sub.1, Vitamin B.sub.2, riboflavin, riboflavin-mononucleotide, Riboflavinum, and Riboflavinum-mononucleotidum.

(43) Useful natural cornea moisture restorers include Oftagel, carbomer, Corneregel, Tears naturale, Vitacic, Vidisic, and Lacrysin.

(44) Concentrations of the components are as follows.

(45) A1 is from 1 nM to 25000 nM.

(46) A2 is of a concentration sufficient to stabilize the pH value in a desired range. The concentration is from 0.1 mM to 1000 mM, in the range from 1 mM to 100 mM. The desired pH range is determined based on the stability of component Al and the pH optimum for eye drops, such as from 4.5 to 8.5, from 5 to 8, and from 6 to 7.

(47) A3 is of a concentration determined experimentally and depends on the choice of a specific stabilizer. The molar concentration of the stabilizer may exceed the concentration of component A1. The excess may be from 10 to 1000000 times. The concentration of stabilizer is in the range from 0.0001% to 1%, and from 0.01% to 0.2%.

(48) A4 is of a concentration determined on the basis of the accepted requirements for eye drops depending on the selected prolongator, preferably ranging from 0.001 to 1% (w/v).

(49) A5 is of a concentration that ensures physiologically-acceptable osmotic properties of the solution (maximally close to the osmotic properties of eye fluid).

(50) A6 is of a concentration of preservative depending on the choice of a particular preservative and can range from a minimum concentration that ensures the stability of the composition during storage, to a maximum concentration that has no harmful effect on eye tissues, such as on the cornea.

(51) The concentration of an additional active ingredient (A7) is determined according to the pharmacological properties of a particular compound. The concentration may be reduced based on the enhancement of therapeutic effect by combining the additional active ingredient with the mitochondria-addressed antioxidant.

(52) In an embodiment, a preferred pharmaceutical composition corresponding to Formula 1 is eye drops (per a vial containing 5 ml of eye drops) of the following composition (Table 1).

(53) TABLE-US-00001 TABLE 1 Composition 1 AMOUNT PER COMPONENT 5 ML OF EYE-DROPS SkQ1-bromide about 770 ng Sodium dihydrophosphate about 4.4 mg Sodium hydrogen phosphate dodecahydrate about 4.7 mg Hydroxymethyl propyl methylcellulose about 10 mg Benzalkonium chloride about 5 micrograms Sodium chloride about 45 mg Purified water to 5.0 ml

(54) In composition 1, SkQ1-bromide is the following compound with a pharmacologically-acceptable degree of purity.

(55) ##STR00009##

(56) An aspect of this disclosure is the fact that the active ingredient of the composition is rather stable, and its absorption on the surface of vials is prevented (see the experimental Example 1). Also, as compared to a simple aqueous solution of SkQ1, the composition comprises a polymer prolongator chemically compatible with SkQ1. Not all of the polymers routinely used in the composition of eye drops appeared to be compatible with SkQ1, and some polymers destabilized the compound (see Example 1).

(57) Eye drops prepared in accordance with the above formula are effective in treating a variety of eye diseases in humans and animals (see examples). Therefore, an aspect is the use of the eye drops for treatment of patients suffering from different eye pathologies, as well as for prophylaxis of these pathologies.

(58) Different eye pathologies comprise cataract, glaucoma, eye inflammation diseases (including autoimmune), different forms of macular degeneration (MD), and other related symptoms such as atrophic (dry) MD, exudative (wet) MD, age-related maculopathy (ARM), choroidal neovascularization, detached pigment retinal epithelium (PED), and atrophy of the pigment retinal epithelium (RPE).

(59) The term macular degeneration (MD) also comprises all eye diseases irrelevant to age-related changes in a human organism such as vitelliform degeneration of Best, Stargardt disease, juvenile macular dystrophy, Behr's disease, Sorsby's dystrophy, and Doyne honeycomb retinal dystrophy.

(60) Symptoms related to macular degeneration comprise drusen surrounded by white-yellow spots, submacular discoid scar of tissues, choroidal neovascularization, detached pigment retinal epithelium (PED), atrophy of pigment retinal epithelium (RPE), anomalous expansion of choroidal blood vessels, blurred or disturbed vision area, central dead point, pigment anomalies, mixed layer of thin granulation located on the inner side of Bruch's membrane, and thickening and lowered permeability of Bruch's membrane.

(61) The composition can be used for effective prophylaxis or treatment of all forms of macular degeneration and other related syndromes or symptoms, regardless of their causes. The causes of macular degeneration include genetic or physical trauma, diseases such as diabetes, or infections, in particular, bacterial. In one aspect of the invention the patient is human, and in another aspect of the invention, the patient is a domestic animal (dog, cat, horse or other). In this case, the composition is used as a veterinary preparation.

(62) Reference will now be made to specific examples illustrating the disclosure. It is to be understood that the examples are provided to illustrate exemplary embodiments and that no limitation to the scope of the disclosure is intended thereby.

EXAMPLES

Example 1

Stability of Active Ingredient in Pharmaceutical Composition (Composition 1)

(63) In this stability study of aqueous solutions of SkQ1 (10 mM sodium phosphate, pH 6.5, 0.9% NaCl) in concentration ranges up to 250 nM, the addition of 0.01% benzalkonium chloride prevents a decrease in the concentration of active ingredient during storage for 24 hours at room temperature (see Table 2).

(64) TABLE-US-00002 TABLE 2 Stability of SkQ1 in Solutions Containing Benzalkonium Chloride Determined Concentration of Added concentration of benzalkonium concentration SkQ1 in 24 Relative content chloride, % of SkQ1, nM hours, nM of SkQ1, % 0 (control) 250 104 42 0.01 250 254 102 0.01 180 180 100 0.01 100 97 97 0.01 50 56 112

(65) These data show that in the absence of benzalkonium chloride, the concentration of SkQ1 decreases by 58%. This phenomenon is completely prevented by addition of 0.01% benzalkonium chloride, irrespective of the initial concentration of SkQ1.

(66) A comparison of the effect of the two prolongators used in eye drops, methylcellulose (MC) and hydroxypropyl methylcellulose (HPMC), on the stability of aqueous solutions of SkQ1 (10 mM sodium phosphate, pH 6.5, 0.9% NaCl, 0.01% benzalkonium chloride) shows that only the addition of 0.2% HPMC stabilizes the concentration of the active ingredient during storage for 50 days at room temperature (see Table 3).

(67) TABLE-US-00003 TABLE 3 Stability of SkQ1 in Solutions With Different Prolongators Relative content of SkQ1 after Content of incubation for 50 prolongators days, % 0.2% HPMC 93 0.2% MC 79 control 83
Materials and Method for Quantitative Detection of SkQ1

(68) Analysis is carried out by high-performance liquid chromatography with MS/MS detection.

(69) The following is placed in a flask with a capacity of 1000 ml: 0.78 ml (920 mg) of formic acid, 50 ml of acetonitrile, and the volume is adjusted to the mark with Milli-Q water and mixed thoroughly. The solution is effective for one week.

(70) The following is placed in a flask with a capacity of 1000 ml: 0.78 ml (920 mg) of formic acid, and the volume is adjusted to the mark with acetonitrile and is mixed thoroughly. The solution is effective for one week.

(71) A. 0.5 M Solution of 3-Chloroperbenzoic Acid in Ethanol.

(72) 12.4 g of 3-chloroperbenzoic acid is placed in a flask with a capacity of 100 ml. 50 ml of 96% ethanol is added and the mixture stirred. The solution is brought to volume with 96% ethanol and stirred.

(73) B. Internal Standard Solution.

(74) 12.65 mg of SkQ1 labeled with 15 atoms of deuterium (SkQ1-d15) is dissolved in 1 ml of ethanol 96% and transferred quantitatively into a flask with a capacity of 100 ml. The volume is adjusted to the mark with 96% ethanol and mixed thoroughly (solution 1). The solution is stored at 80 C. for up to 1 year. 0.5 ml of the resulting solution is transferred to a flask with a capacity of 100 nil, and the volume is adjusted to the mark with ethanol 96%. The solution is stored at a temperature of 24 C. for up to 3 days.

(75) C. Original Standard Solution.

(76) 50 mg of SkQ1 bromide is dissolved in 1 ml of 96% ethanol and transferred quantitatively into a flask with a capacity of 50 ml. The volume of solution is adjusted to the mark with the same solvent (solution 1). This solution is stored at 80 C. for up to 3 months. 1 ml of the solution is transferred to a flask with a capacity of 10 ml, and the volume is adjusted to the mark with ethanol 96% (solution 2). 0.77 ml of solution 2 is transferred to a flask with a capacity of 50 ml, and the volume is adjusted to the mark with ethanol 96% (original standard solution). The solution 2 and original standard solution is stored at a temperature of 24 C. for up to 3 days.

(77) D. A Solution of Standard Sample (SS).

(78) 1 ml of the original standard solution is placed into a flask with a capacity of 10 ml and the volume is adjusted to the mark with water-ethanol solution (solution A). 0.1 ml of the original standard solution is placed into a flask with a capacity of 10 nil. 5 ml of the water-ethanol solution is added and stirred for 11 min, 0.5 ml of solution A is added to 0.1 ml of an 0.5 M solution of 3-chloroperbenzoic acid in ethanol, and the volume is adjusted to the mark with ethanol-water solution and stirred for 30 min. 1 ml of the derived solution is transferred into a chromatographic vial. The solution must be freshly prepared before use.

(79) E. Water-Ethanol Solution.

(80) Equal volumes of 96% ethanol and water are mixed.

(81) F. Test Solution.

(82) 100 L of the internal standard solution is placed into a 10 ml flask, 5 ml of the water-ethanol solution is added and stirred for 11 min. 500 L of sample solution is added to 0.1 ml of a 0.5 M solution of 3-chloroperbenzoic acid in ethanol, and the volume is adjusted to the mark with ethanol-water solution and stirred for 30 min. 1 ml of the resulting solution is transferred into a chromatographic vial.

(83) The chromatographic conditions are as follows: The device used is a Waters ACQUITY UPLC. The column used is steel, 2.150 mm, filled with sorbent Acquity BEH C18, 1.7 m (Waters, P/N 186002350) or equivalent. The column temperature is 35 C. The mobile phase is eluent A: 20 mM solution of formic acid in 5% aqueous acetonitrile and eluent B: 20 mM solution of formic acid in aqueous acetonitrile. The flow rate is 0.5 ml/min. The volume of injection is the total loop (about 11 L). The elution mode is a gradient of eluents A and B according to Table 4.

(84) TABLE-US-00004 TABLE 4 Time (min.): % eluent A: % eluent B: 0.0 60 40 4.0 20 80 4.1 60 40 5.0 60 40

(85) The time of the analysis is about 5 min. The detector is a Waters TQD (tri-quadrupole) for MS/MS.

(86) The conditions of detection is as follows: The electrospraying mode is positive (ES+). The working mode is monitoring of reactions of settled ions (MRM). The temperature of the ion source is 120 C. The vaporization temperature is 450 C. The cone voltage is 55 V. The capillary voltage is 3.0 kV. The collision gas (CID) is argon. The collision gas flow rate is 0.18 ml/min. The collision gas pressure (CID) is 4.510.sup.3 mbar. The transitions of scans and collision energy are according to Table 5.

(87) TABLE-US-00005 TABLE 5 No. Transitions scan (daltons) Collision energies, eV Substance: 1 537.30 > 262.13 50 SkQ1 2 537.30 > 289.12 50 SkQ1 3 552.40 > 274.20 50 SkQ1-d15 4 552.40 > 304.30 50 SkQ1-d15

(88) Solution of SS and the test solution should be chromatographed.

(89) G. Suitability of the Chromatographic System.

(90) The chromatographic system is suitable if: 1) the MRM chromatogram of SkQ1-d15 asymmetry factor of the main peak is not more than 2; 2) the effectiveness of the chromatographic column on the main peak is not less than 3000 theoretical plates; and 4) the relative standard deviation of the ratio of SkQ1 and SkQ1-d15 peak areas on the chromatograms of the solution is no more than 15%.

(91) The SkQ1 content in the product (g/ml) was calculated using the equation:

(92) $X=\frac{a.Math.\left(100-W\right).Math.P.Math.S/S_{\mathrm{smpl}}}{1000000.Math.S/S_{\mathrm{std}}}\mathrm{wherein}$ S/S.sub.smpl is the ratio of peak areas and SkQ1 and SkQ1-d15 in chromatograms of the sample solution; S/S.sub.std is the ratio of SkQ1 and SkQ1-d15 peak areas in chromatograms of the SS solution; a is the amount of SkQ1 taken to prepare the original standard solution, in mgs; W is the water content and organic solvents in SkQ1 substance taken to prepare the original standard solution, in percent; and P is the SkQ1 content in SkQ1 substance taken to prepare the original standard solution, in percent.

Example 2

Use of Pharmaceutical Composition in Veterinary Practice

(93) The species and breed of animal is a dog, Zverg Schnauzer (miniature schnauzer), male, born in 2005 (4 years old). It was admitted on Dec. 4, 2008.

(94) The case history is as follows. The dog has been blind since November 2008. Since 2007, the dog could not see in the darkness. Now the dog can only keep itself oriented by sound. The owner believes that the animal has been ill for 1 year. The owner drew attention to changes in the animal's behavior during an evening stroll. The dog does not recognize the owner in a group of 5-6 people. The dog keeps itself poorly oriented during the daytime and stumbles upon objects. The dog recognizes the owner only by voice. In the dark the dog keeps itself oriented by sound.

(95) This was the primary visit. Investigations have not been conducted earlier. The exact diagnosis was not given in a previous diagnosis. There was no previous treatment. This clinical case is hereditary.

(96) The general condition of the animal at admission is satisfactory. The dog does not see. External examination shows that the eyelids have normal volume. The palpebral fissure is normal, the conjunctiva is pale pink, the cornea is shiny, spherical, transparent, moist, and contains no blood vessels. The anterior chamber is deep. The reaction of iris to light is absent.

(97) The preliminary diagnosis is generalized progressive retinal atrophy, with no complications of the disease, and no concomitant diseases.

(98) The examination results were as follows: Specific tests used were labyrinth, reaction to a cotton ball, and reaction to light. In the test with a labyrinth, the dog stumbled into obstacles both in darkness and in the light; it did not react to a cotton ball falling nearby; and the reaction of the iris to light was absent. The instrumental tests used were tests for leptospirosis, retinography and retina-photography. The test for leptospirosis produced negative results. For retinography, results see Table 4. Retino-photography revealed color change and hyper-reflection of the tapetum lucidum, and thinning of optic disc vessels. The optic disc color was white.

(99) The clinical diagnosis is generalized progressive retinal atrophy, stage 2. Major symptoms are: blindness; the surface of t. lucidum is altered and hyper-reflective; small vessels of the retina are absent; and thinning of large vessels of the retina. The type of the disease is chronic. There is vision dysfunction in darkness and on light. The animal does not see large stationary or moving objects.

(100) The prescribed treatment is the pharmaceutical composition (Composition 1) in a dose of 1 drop twice a day. The record of the treatment is shown in Table 6.

(101) TABLE-US-00006 TABLE 6 Clinical Records of Clinical Case 1 Methods of investigation Date (tests) Test resutls Prescribed therapy 4 Dec. 2008 1. Labyrinth Negative Pharmaceutical 2. Reaction to a cotton ball Negative composition 3. Reaction to light Negative (mydriasis). (composition 1) in a 4. Retinography See Appendix dose of 1 drop once a 5. Retino-photography Carpet area of t. Lucidum is day. hyper-reflex, small vessels of retina are absent, thinning of great vessels, OD is white, Retinogram Right eye: A-wave - 56.5 micro Volts. B-wave - 9.5 micro Volts. Left eye: A-wave - 9.4 micro Volts, B-wave - 15 micro Volts 24 Dec. 2008 1. Labyrinth Negative 2. Reaction to a cotton ball +Negative 3. Reaction to light Positive 1 drop once a day. Fundus of eye is unchanged. The dog no longer stumbled upon objects during the daytime, at night the dog does not see. According to the words of the mistress, the dog began to keep itself oriented better, especially during the daytime. 13 Apr. 2009 1. Labyrinth Positive 2. Reaction to a cotton ball Positive 3. Reaction to light Positive Vision is preserved, the dog sees, keeps itself well-oriented in any time of day. Tests are positive. Vision is preserved. Retinography Right eye: A-wave - 56.5 micro Volts. B-wave - 203.5 micro Volts. Left eye: A-wave - 45 micro Volts, B-wave - 45.5 micro Volts

(102) A dog, Zverg Schnauzer (miniature schnauzer) breed, nickname Vintik, age of 4 years, was admitted to the clinic Apr. 12, 2008. As a result of the acquisition of anamnesis data, clinical examination revealed a generalized progressive retinal atrophy. The dog cannot see. Blindness is observed for 1 year, carpet area of t. lucidum is hyper-reflective, small vessels of retina are absent, thinning of great, vessels, OD is white.

(103) The prescribed treatment is Composition 1 eye-drops, 1 drop twice a day. After 20 days of treatment the dog began to see better during the daytime. After 2 months of treatment the dog began to see during the daytime and in the darkness. Tests became positive.

(104) The clinical picture of the eye fundus is unchanged. For retinography results see Table 7.

(105) TABLE-US-00007 TABLE 7 Retinography Results Date Right Eye Left Eye Dec. 4, 2008 A-wave - 56.5 micro Volts. A-wave - 9.4 micro Volts, B-wave - 9.5 micro Volts. B-wave - 15 micro Volts Apr. 13, 2009 A-wave - 56.5 micro Volts. A-wave - 45 micro Volts, B-wave - B-wave - 45.5 micro Volts 203.5 micro Volts.

Example 3

Use of Pharmaceutical Composition in Combination Therapy of Eye Diseases of Domestic Animals

(106) The following testing was done on dogs treated with Composition 1.

(107) Test 1

(108) A dog, 9 years old, nonpedigreed, was admitted to the clinic in late January 2009 with signs of hemorrhagic chorioretinitis and papillitis. At the time of examination the animal cannot see, and persistent mydriasis has been detected.

(109) Since January 2009, the following treatment was applied: Dexamethasone (methylated fluoroprednisolone) 0.1% eye drops, 1 drop 4 times a day; after 10 minutes, pharmaceutical composition (Composition 1), eye drops, 1 drop once a day; after 10 minutes Emoxypine (Methylethylpiridinol) 1%, eye drops, 1 drop 3 times a day.

(110) On Mar. 16, 2009, that the animal began to see was confirmed by the appearance of an electroretinogram signal. After that, only the pharmaceutical composition (Composition 1) (without additional preparations) was used as the maintenance therapy.

(111) Test 2

(112) A dog, 11 years old, Labrador (retriever) was admitted to the clinic in September 2008 with a diagnosis of uveodermatological syndrome (endogenous uveitis induced by autoimmune dermatitis). At the time of examination the animal cannot see.

(113) The following treatment was applied: Cyclomed, eye drops, 1 drop twice a day; after 10 minutes Prenacid, eye drops, 1 drop once a day; after 10 minutes Indocollyre, eye drops, 1 drop twice a day, after 10 minutes Betoptic, eye drops, 1 drop 3 times a day; after 10 minutes Pharmaceutical composition (composition 1), eye drops, 1 drop once a day; after 10 minutes Emoxypine 1% eye drops, 1 drop 3 times a day.

(114) On 30 Jan. 2009, electroretinography showed that the functional activity of the retina was very good. The animal can see. In the treatment of uveitis, significant remission of the disease was observed, but full recovery cannot be achieved due to the chronic type of the disease. Maintenance therapy with the aid of the pharmaceutical composition (Composition 1) was continued.

(115) Test 3

(116) A dog, 7 years old, German Shepherd, was admitted to the clinic in September 2008 with a diagnosis of endogenous uveitis induced by leptospirosis. Eyesight was preserved.

(117) The following treatment was administered: Prenacid, eye drops, 1 drop once a day; after 10 minutes Indocollyre, eye drops, 1 drop twice a day; after 10 minutes Betoptic, eye drops, 1 drop 3 times a day; after 10 minutes Pharmaceutical composition (composition 1), eye drops, 1 drop once aday; after 10 minutes Emoxypine 1%, eye drops, 1 drop 3 times a day.

(118) The treatment was completed in November 2008 and resulted in full recovery.

EQUIVALENTS

(119) Those skilled in the art will recognize, or be able to ascertain, using no more than routine experimentation, numerous equivalents to the specific composition and procedures described herein. Such equivalents are considered to be within the scope of this invention, and are covered by the following claims.