WO2009043671A1 - Use of a silybum marianum extract - Google Patents
Use of a silybum marianum extract Download PDFInfo
- Publication number
- WO2009043671A1 WO2009043671A1 PCT/EP2008/061647 EP2008061647W WO2009043671A1 WO 2009043671 A1 WO2009043671 A1 WO 2009043671A1 EP 2008061647 W EP2008061647 W EP 2008061647W WO 2009043671 A1 WO2009043671 A1 WO 2009043671A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- silybum marianum
- extract
- use according
- radiodermatitis
- Prior art date
Links
- 235000010841 Silybum marianum Nutrition 0.000 title claims abstract description 33
- 244000272459 Silybum marianum Species 0.000 title claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 48
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- 239000004480 active ingredient Substances 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 239000003814 drug Substances 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 10
- 238000011200 topical administration Methods 0.000 claims abstract description 7
- SEBFKMXJBCUCAI-UHFFFAOYSA-N NSC 227190 Natural products C1=C(O)C(OC)=CC(C2C(OC3=CC=C(C=C3O2)C2C(C(=O)C3=C(O)C=C(O)C=C3O2)O)CO)=C1 SEBFKMXJBCUCAI-UHFFFAOYSA-N 0.000 claims description 19
- SEBFKMXJBCUCAI-HKTJVKLFSA-N silibinin Chemical group C1=C(O)C(OC)=CC([C@@H]2[C@H](OC3=CC=C(C=C3O2)[C@@H]2[C@H](C(=O)C3=C(O)C=C(O)C=C3O2)O)CO)=C1 SEBFKMXJBCUCAI-HKTJVKLFSA-N 0.000 claims description 19
- 229960004245 silymarin Drugs 0.000 claims description 18
- 235000017700 silymarin Nutrition 0.000 claims description 18
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- 244000103926 Chamaenerion angustifolium Species 0.000 claims description 3
- 235000006890 Chamerion angustifolium subsp angustifolium Nutrition 0.000 claims description 3
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- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 description 1
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- IKGXIBQEEMLURG-NVPNHPEKSA-N rutin Chemical compound O[C@@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@H]1OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 IKGXIBQEEMLURG-NVPNHPEKSA-N 0.000 description 1
- UEJSSZHHYBHCEL-UHFFFAOYSA-N silver(1+) sulfadiazinate Chemical compound [Ag+].C1=CC(N)=CC=C1S(=O)(=O)[N-]C1=NC=CC=N1 UEJSSZHHYBHCEL-UHFFFAOYSA-N 0.000 description 1
- 229940043175 silybin Drugs 0.000 description 1
- 235000014899 silybin Nutrition 0.000 description 1
- BMLIIPOXVWESJG-LMBCONBSSA-N silychristin Chemical compound C1=C(O)C(OC)=CC([C@H]2[C@@H](C3=C(C(=CC(=C3)[C@@H]3[C@H](C(=O)C4=C(O)C=C(O)C=C4O3)O)O)O2)CO)=C1 BMLIIPOXVWESJG-LMBCONBSSA-N 0.000 description 1
- BMLIIPOXVWESJG-UHFFFAOYSA-N silychristin A Natural products C1=C(O)C(OC)=CC(C2C(C3=C(C(=CC(=C3)C3C(C(=O)C4=C(O)C=C(O)C=C4O3)O)O)O2)CO)=C1 BMLIIPOXVWESJG-UHFFFAOYSA-N 0.000 description 1
- CYGIJEJDYJOUAN-JSGXPVSSSA-N silydianin Chemical compound C1=C(O)C(OC)=CC([C@H]2[C@H]3C=C([C@@H]4[C@@](C3=O)(O)OC[C@@H]42)[C@@H]2[C@H](C(=O)C3=C(O)C=C(O)C=C3O2)O)=C1 CYGIJEJDYJOUAN-JSGXPVSSSA-N 0.000 description 1
- KZJWDPNRJALLNS-VJSFXXLFSA-N sitosterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CC[C@@H](CC)C(C)C)[C@@]1(C)CC2 KZJWDPNRJALLNS-VJSFXXLFSA-N 0.000 description 1
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- 235000010413 sodium alginate Nutrition 0.000 description 1
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- 229940126702 topical medication Drugs 0.000 description 1
- 239000003646 toxicity reducer Substances 0.000 description 1
- 235000019156 vitamin B Nutrition 0.000 description 1
- 239000011720 vitamin B Substances 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/28—Asteraceae or Compositae (Aster or Sunflower family), e.g. chamomile, feverfew, yarrow or echinacea
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
-
- 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
Definitions
- the present invention relates to a novel use of a composition with a Silybum marianum extract, as well as to the use of a composition containing the mentioned extract for topical administration.
- Silymarin a bioflavonoid formed by three structural isomers: silybin, silydianin and silychristin, is extracted from Silybum marianum, commonly known as milk thistle. Since the Middle Ages the extract of Silybum marianum seeds has been used as a potent liver protector. Its action as a liver cell protector against the toxicity of certain drugs, for example against acetaminophen-induced toxicity, is currently being demonstrated, as described in "Acetaminophen-induced Toxicity to Human Epidermoid Cell Line A431 and Hepatoblastoma Cell Line Hep G2, in vitro, Is diminished by Silymarin" Skin Pharmacological 1995;8:279-291.
- Silymarin is also used as a liver protector of patients for the treatment of chronic hepatitis caused by antiviral drugs in patients with acquired immunodeficiency syndrome.
- Other extended uses of silymarin are the treatment of alcoholic cirrhosis and the treatment of mushroom poisoning.
- the application of silymarin in all these indications furthermore has the advantage that it has no side effects.
- the silymarin of the Silybum marianum seed extract is also used in cosmetics as an antioxidant, especially in body creams and lotions, for the treatment of delicate skin, skin exposed to the sun or exposed to other oxidizing agents.
- compositions comprising the extract of Silybum marianum seeds.
- WO0234275 describes a pharmaceutical preparation, comprising milk thistle extract or an active ingredient therefrom, and one or several terpenes, as well as the most suitable excipients. Said preparation is indicated for liver diseases, specifically cirrhosis of the liver.
- DE 4226866 describes another plant preparation comprising milk thistle seeds, which have been irradiated with infrared radiation, then immediately being subjected to fermentation. This preparation is used as an anti-inflammatory medium in the form of capsules, granules, powder or tablets. It can also be added as a nutritional supplement.
- JP 2000136124 describes a composition that is able to keep the skin fresh, elastic and young, skin cell differentiation as well as proliferation being controlled by means of elastase activity inhibition.
- the composition comprises oligopeptides and an extract selected from multiple plant species, including Silybum marianum.
- BG105507 describes a composition applicable as an antioxidant in the prevention of the effects of chemotherapy and in treatment with irradiation, or any other condition in which cell oxidation-reduction is compromised.
- the composition comprises vitamins, a Rosmarinus officinalis extract, Silybum marianum extract, phytocyanins, Ginko biloba, as well as synthetic nitroxyl radical products.
- radiodermatitis Due to the increase of the treatment of diseases by means of radiation therapy, the number of people affected by a skin disease known by the name of radiodermatitis is increasing more and more.
- the radiodermatitis is a disease that especially affects doctors and healthcare professionals who give diagnoses by means of applying X-rays to patients.
- doctors and healthcare professionals who give diagnoses by means of applying X-rays to patients.
- radiodermatitis Some of the effects of radiodermatitis are the onset of erythema, papules or vesicles, lesions with exudation, glossy skin, and in extreme cases, the onset of tumors.
- Radiodermatitis can also have a psychological repercussion on the patient who is being treated for another disease upon observing that a second disease is acquired and the treatment must be stopped.
- lotions or creams For the purpose of alleviating symptoms of this disease, lotions or creams generally comprising calcium and sodium salts, such as sodium alginate, are often topically administered to those patients to whom radiation therapy is applied. These lotions or creams on many times cause allergic or intolerance reactions which further aggravate the problem. Different formulations are also necessary according to the symptomatology of the radiodermatitis, therefore the cost of treatment is high and multiple formulations must be available in order to treat the different skin manifestations.
- compositions with a Silybum marianum extract are very beneficial for alleviating the symptoms of radiodermatitis. They are furthermore compositions which are effective in all manifestations of the disease. Disclosure of the Invention
- the object of the present invention is the use of a composition comprising a Silybum marianum extract or an active ingredient therefrom, at a concentration by weight of 0.05% to 1.00%, for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis.
- the active ingredient of the Silybum marianum extract is silymarin.
- composition for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis is characterized in that the Silybum marianum extract has a silymarin content of 80% by weight.
- the composition for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis further comprises an Epilobium angustifolium extract, at least one vitamin, preferably vitamin E, procyanidines, linoleic acid, moisturizing sugars, natural moisturizers and bisabolol.
- Another object of the present invention is the use of a composition for topical administration, comprising a Silybum marianum extract or an active ingredient therefrom, at a concentration by weight of 0.05% to 1 .00%, for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis.
- composition for topical administration comprises at least one compound for solubilizing the active ingredients of the Silybum marianum extract and at least one compound for reducing the systemic absorption of said active ingredients.
- the compounds for solubilizing and for reducing the systemic absorption of active ingredients are ethoxydiglycol, hydrogenated castor oil or a mixture of both. - A -
- compositions containing a Silybum marianum extract or an active ingredient therefrom for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis
- compositions with Silybum marianum extract are described below, which compositions comprise from 0.05% by weight to 1 .00% by weight of extract or active ingredient therefrom, which have been used in clinical trials by the inventors.
- Composition 1 Cream with Silybum marianum extract.
- Silybum marianum extract (80% by 0 25 weight of silymarin)
- Flavonoids (catechin and epicatechin) 0 5 from grape seed.
- excipients used in the composition are all those excipients that a person skilled in the art of formulations would use to obtain a creamy consistency.
- Composition 2 Gel with Silybum marianum extract.
- the gel of composition 2 has a pH of 5.50 ⁇ 0.30, and a viscosity at 20 Q C of 1.000 ⁇ 500 cps
- these compositions which must be administered topically further comprise a compound for solubilizing silymarin.
- Silymarin is a molecule that is not very soluble in water; therefore the inventors have developed a formulation which allows providing large amounts of the same in the compositions for topical administration.
- an agent for solubilizing silymarin in the composition allows assuring that the same will be in conditions for being applied on the skin and that aggregates, which would reduce its efficacy, will not be formed.
- topical compositions object of the invention with Silybum marianum extract which are used for the preparation of a medicament for the prevention or the treatment of radiodermatitis, further comprise a compound for reducing the systemic absorption of silymarin or any active ingredient of the Silybum marianum extract.
- Said agents for solubilizing silymarin, as well as compounds for reducing the systemic absorption the active ingredients are preferably ethoxydiglycol, hydrogenated castor oil or a mixture of both.
- Silybum marianum extract with 80% silymarin is therefore gradually released and acts on the skin, which is where it is to perform its function, before or after treatment with radiation therapy.
- the purpose was to evaluate acute radiodermatitis, pigmentation, pruritus and subjective comfort. A baseline evaluation was conducted before the treatment. Then evaluations were conducted in weekly controls and at the end of treatment.
- Radiodermatitis has been classified according to the toxicity scale of the RTOG (Radiation Therapy Oncology Group) and the pigmentation, pruritus and subjective comfort by means of an EVA scale (0-10).
- the following table shows the percentages and degree of radiodermatitis depending on the week of treatment.
- the pruritus, pigmentation and subjective comfort recordings have indicated low EVAs, with a median score of 3.
- Topical medication was used in nine patients: four patients were given hyaluronic acid and four other patients were given silver sulphadiazine, and one patient was given corticoids.
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Abstract
The invention relates to the use of a composition comprising a Silybum marianum extract or an active ingredient therefrom, for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis. The invention also relates to the use of the composition for topical administration.
Description
D E S C R I P T I O N
"USE OF A SILYBUM MARIANUM EXTRACT"
Technical Field of the Invention
The present invention relates to a novel use of a composition with a Silybum marianum extract, as well as to the use of a composition containing the mentioned extract for topical administration.
Background of the Invention Silymarin, a bioflavonoid formed by three structural isomers: silybin, silydianin and silychristin, is extracted from Silybum marianum, commonly known as milk thistle. Since the Middle Ages the extract of Silybum marianum seeds has been used as a potent liver protector. Its action as a liver cell protector against the toxicity of certain drugs, for example against acetaminophen-induced toxicity, is currently being demonstrated, as described in "Acetaminophen-induced Toxicity to Human Epidermoid Cell Line A431 and Hepatoblastoma Cell Line Hep G2, in vitro, Is diminished by Silymarin" Skin Pharmacological 1995;8:279-291. Its action as a toxicity reducer is possibly due to its capacity of retaining, capturing or neutralizing oxidizing substances such as free radicals. Silymarin is also used as a liver protector of patients for the treatment of chronic hepatitis caused by antiviral drugs in patients with acquired immunodeficiency syndrome. Other extended uses of silymarin are the treatment of alcoholic cirrhosis and the treatment of mushroom poisoning. The application of silymarin in all these indications furthermore has the advantage that it has no side effects.
There are also studies showing that the administration of silymarin reduces the negative effects of irradiation of the body or parts of the body with X-rays, especially reducing the hepatotoxicity caused by radiation, as deduced from "Die therapeutische Wirkung von Sylimarin bei rόntgenbestrahlten Mausen", von K. Flemming, Arzneimittel-Forschung; Jahrgang 21-Nr 9 (1971): 1373- 1375.
The silymarin of the Silybum marianum seed extract is also used in cosmetics as an antioxidant, especially in body creams and lotions, for the treatment of delicate skin, skin exposed to the sun or exposed to other oxidizing agents.
There is considerable literature which describes compositions comprising the
extract of Silybum marianum seeds. For example, WO0234275 describes a pharmaceutical preparation, comprising milk thistle extract or an active ingredient therefrom, and one or several terpenes, as well as the most suitable excipients. Said preparation is indicated for liver diseases, specifically cirrhosis of the liver. DE 4226866 describes another plant preparation comprising milk thistle seeds, which have been irradiated with infrared radiation, then immediately being subjected to fermentation. This preparation is used as an anti-inflammatory medium in the form of capsules, granules, powder or tablets. It can also be added as a nutritional supplement. JP 2000136124 describes a composition that is able to keep the skin fresh, elastic and young, skin cell differentiation as well as proliferation being controlled by means of elastase activity inhibition. The composition comprises oligopeptides and an extract selected from multiple plant species, including Silybum marianum.
Finally, BG105507 describes a composition applicable as an antioxidant in the prevention of the effects of chemotherapy and in treatment with irradiation, or any other condition in which cell oxidation-reduction is compromised. The composition comprises vitamins, a Rosmarinus officinalis extract, Silybum marianum extract, phytocyanins, Ginko biloba, as well as synthetic nitroxyl radical products.
Due to the increase of the treatment of diseases by means of radiation therapy, the number of people affected by a skin disease known by the name of radiodermatitis is increasing more and more. The radiodermatitis is a disease that especially affects doctors and healthcare professionals who give diagnoses by means of applying X-rays to patients. However, many patients who must undergo radiation therapy to be treated for cancer, for example, also suffer this disease today.
Some of the effects of radiodermatitis are the onset of erythema, papules or vesicles, lesions with exudation, glossy skin, and in extreme cases, the onset of tumors.
Radiodermatitis can also have a psychological repercussion on the patient who is being treated for another disease upon observing that a second disease is acquired and the treatment must be stopped.
For the purpose of alleviating symptoms of this disease, lotions or creams generally comprising calcium and sodium salts, such as sodium alginate, are often topically administered to those patients to whom radiation therapy is applied. These
lotions or creams on many times cause allergic or intolerance reactions which further aggravate the problem. Different formulations are also necessary according to the symptomatology of the radiodermatitis, therefore the cost of treatment is high and multiple formulations must be available in order to treat the different skin manifestations.
The inventors have surprisingly discovered that compositions with a Silybum marianum extract are very beneficial for alleviating the symptoms of radiodermatitis. They are furthermore compositions which are effective in all manifestations of the disease. Disclosure of the Invention
The object of the present invention is the use of a composition comprising a Silybum marianum extract or an active ingredient therefrom, at a concentration by weight of 0.05% to 1.00%, for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis. Preferably, the active ingredient of the Silybum marianum extract is silymarin.
The use of the composition for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis is characterized in that the Silybum marianum extract has a silymarin content of 80% by weight. The composition for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis further comprises an Epilobium angustifolium extract, at least one vitamin, preferably vitamin E, procyanidines, linoleic acid, moisturizing sugars, natural moisturizers and bisabolol.
Another object of the present invention is the use of a composition for topical administration, comprising a Silybum marianum extract or an active ingredient therefrom, at a concentration by weight of 0.05% to 1 .00%, for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis.
The composition for topical administration according to the invention comprises at least one compound for solubilizing the active ingredients of the Silybum marianum extract and at least one compound for reducing the systemic absorption of said active ingredients.
Preferably, the compounds for solubilizing and for reducing the systemic absorption of active ingredients are ethoxydiglycol, hydrogenated castor oil or a mixture of both.
- A -
Detailed Disclosure
For the purpose of demonstrating the object of the present invention, i.e., the use of a composition containing a Silybum marianum extract or an active ingredient therefrom for the preparation of a medicament for the prevention and/or the treatment of radiodermatitis, several compositions with Silybum marianum extract, are described below, which compositions comprise from 0.05% by weight to 1 .00% by weight of extract or active ingredient therefrom, which have been used in clinical trials by the inventors.
Composition 1. Cream with Silybum marianum extract.
Compound Amount (in grams)
Silybum marianum extract (80% by 0 25 weight of silymarin)
Natural moisturizing factor 2 00
Moisturizing carbohydrate complex 2 00
Mixture of fatty acids + vitamin B + β- 0 5 sitosterol
Flavonoids (catechin and epicatechin) 0 5 from grape seed.
Natural alpha-bisabolol 0 15
Epilobium angustifolium extract 1 00
Vitamin E acetate 0 5
Excipients 26.28
Purified water q s.f. 100 grams
The excipients used in the composition are all those excipients that a person skilled in the art of formulations would use to obtain a creamy consistency.
Composition 2. Gel with Silybum marianum extract.
The gel of composition 2 has a pH of 5.50 ± 0.30, and a viscosity at 20QC of 1.000 ± 500 cps
Preferably, these compositions which must be administered topically further comprise a compound for solubilizing silymarin. Silymarin is a molecule that is not very soluble in water; therefore the inventors have developed a formulation which allows providing large amounts of the same in the compositions for topical administration.
The presence of an agent for solubilizing silymarin in the composition allows assuring that the same will be in conditions for being applied on the skin and that aggregates, which would reduce its efficacy, will not be formed.
Another problem which must be overcome in topical compositions intended for palliating or improving symptoms of skin diseases, even though in this case they are not caused by the presence of a not very soluble substance, is the of the systemic absorption of the active ingredients. It is important to bear in mind that the permeability of the epidermis aids the composition in being able to enter the blood circulation, and in the case of skin diseases the idea is for the active ingredients to be retained and to act precisely in the skin. Therefore, the topical compositions object of the invention with Silybum marianum extract which are used for the preparation of a medicament for the prevention or the treatment of radiodermatitis, further comprise a compound for reducing the systemic absorption of silymarin or any active ingredient of the Silybum marianum extract.
Said agents for solubilizing silymarin, as well as compounds for reducing the
systemic absorption the active ingredients, are preferably ethoxydiglycol, hydrogenated castor oil or a mixture of both.
Both ethoxydiglycol and hydrogenated castor oil form intracutaneous deposits containing the active ingredients therein. The Silybum marianum extract with 80% silymarin is therefore gradually released and acts on the skin, which is where it is to perform its function, before or after treatment with radiation therapy.
Clinical trial with cancer patients. Efficacy of the use according to the invention:
A group of 60 women who had been diagnosed with breast cancer received adjuvant radiation therapy treatment. In parallel, they were administered a composition with Silybum marianum, such as compositions 1 and 2, with a frequency of 2 times a day. The administration began after each patient's first visit.
The purpose was to evaluate acute radiodermatitis, pigmentation, pruritus and subjective comfort. A baseline evaluation was conducted before the treatment. Then evaluations were conducted in weekly controls and at the end of treatment.
Radiodermatitis has been classified according to the toxicity scale of the RTOG (Radiation Therapy Oncology Group) and the pigmentation, pruritus and subjective comfort by means of an EVA scale (0-10).
The following table shows the percentages and degree of radiodermatitis depending on the week of treatment.
Table 1.
It can be clearly seen from Table 1 that 2 weeks after treatment with radiation therapy and with the joint administration of Composition 1 or 2, two times a day, only 15% of the women treated presented first-degree radiodermatitis.
As the weeks advance, the percentage of women with radiodermatitis and with higher degrees of the disease increases, as is logical due to the prolonged radiation therapy treatment. However, it should be emphasized that only the third degree of radiodermatitis is reached in 13% of the women treated and at the sixth week of radiation therapy. In the same manner it is surprisingly observed that 1 month after the radiation therapy treatment is interrupted, the radiodermatitis that is observed in the women belongs to degree 1 (33%) or degree 2 (4%). Most of the women who were treated (63%) did not suffer the disease.
The pruritus, pigmentation and subjective comfort recordings have indicated low EVAs, with a median score of 3.
Topical medication was used in nine patients: four patients were given hyaluronic acid and four other patients were given silver sulphadiazine, and one patient was given corticoids.
All these results show that the prophylactic administration of Silybum marianum allows controlling radiodermatitis, furthermore presenting a high tolerance in patients diagnosed with breast cancer subjected to radiation therapy. Surprisingly, the use of compositions with Silybum marianum at concentrations of 0.05% to 1.00% by weight have as a result, as shown by the previous results, rates of recovery and of prevention of radiodermatitis that have not yet been described. It furthermore involves an advantage compared to the compositions that have been used for the preparation of medicaments for radiodermatitis, which were formulated according to the degree or stage of the disease, different compounds being used in each case.
Claims
1 .- Use of a composition comprising a Silybum marianum extract or an active ingredient therefrom, at a concentration by weight of 0.05% to 1 .00%, for the preparation of a medicament for the prevention and/or treatment of radiodermatitis.
2.- Use according to claim 1 , wherein the active ingredient of the Silybum marianum extract is silymarin.
3.- Use according to any one of the preceding claims 1 and 2, wherein the
Silybum marianum extract has a silymarin content of 80% by weight.
4.- Use according to any one of the preceding claims 1 to 3, wherein the composition further comprises an Epilobium angustifolium extract, at least one vitamin, procyanidines, linoleic acid, moisturizing sugars, natural moisturizers and bisabolol.
5.- Use according to claim 4, wherein the composition comprises vitamin E.
6.- Use according to any one of the preceding claims, wherein the composition is a composition for topical administration.
7.- Use according to claim 6, wherein the composition for topical administration comprises at least one compound for solubilizing the active ingredients of the Silybum marianum extract and at least one compound for reducing the systemic absorption of said active ingredients.
8.- Use according to claim 7, wherein the compounds for solubilizing and for reducing the systemic absorption of active ingredients are ethoxydiglycol, hydrogenated castor oil or a mixture of both.
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WO2014008361A2 (en) | 2012-07-05 | 2014-01-09 | Nutramax Laboratories, Inc. | Compositions comprising a sulforaphane or a sulforaphane precursor and milk thistle extract or powder |
CN105796831A (en) * | 2016-04-19 | 2016-07-27 | 北京欣普迪生物科技有限公司 | Medical ray protection agent and preparation method thereof |
CN106176843A (en) * | 2016-08-30 | 2016-12-07 | 青海民族大学 | Willow herb suppresses HDAC1 enzyme effective site and preparation method and application |
CN106176845A (en) * | 2016-08-30 | 2016-12-07 | 青海民族大学 | Willow herb suppresses CDC25 enzyme effective site and preparation method and application |
CN106344631A (en) * | 2016-08-30 | 2017-01-25 | 青海民族大学 | Effective parts of willow herb and preparing method and application tehreof |
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Cited By (7)
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WO2014008361A2 (en) | 2012-07-05 | 2014-01-09 | Nutramax Laboratories, Inc. | Compositions comprising a sulforaphane or a sulforaphane precursor and milk thistle extract or powder |
EP3409280A1 (en) | 2012-07-05 | 2018-12-05 | Nutramax Laboratories, Inc. | Compositions comprising a sulforaphane and milk thistle extract or powder |
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CN105796831A (en) * | 2016-04-19 | 2016-07-27 | 北京欣普迪生物科技有限公司 | Medical ray protection agent and preparation method thereof |
CN106176843A (en) * | 2016-08-30 | 2016-12-07 | 青海民族大学 | Willow herb suppresses HDAC1 enzyme effective site and preparation method and application |
CN106176845A (en) * | 2016-08-30 | 2016-12-07 | 青海民族大学 | Willow herb suppresses CDC25 enzyme effective site and preparation method and application |
CN106344631A (en) * | 2016-08-30 | 2017-01-25 | 青海民族大学 | Effective parts of willow herb and preparing method and application tehreof |
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ES2325291A1 (en) | 2009-08-31 |
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