CN116159104A - Application of Qishenlian eczema ointment in preparation of medicine for treating diabetic skin itch - Google Patents

Application of Qishenlian eczema ointment in preparation of medicine for treating diabetic skin itch Download PDF

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CN116159104A
CN116159104A CN202310265463.XA CN202310265463A CN116159104A CN 116159104 A CN116159104 A CN 116159104A CN 202310265463 A CN202310265463 A CN 202310265463A CN 116159104 A CN116159104 A CN 116159104A
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qishenlian
eczema ointment
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medicine
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朱明浩
郑金丹
张汝法
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Abstract

The invention relates to an application of Qishenlian eczema ointment in preparing a medicine for treating diabetic skin itch, belonging to the technical field of biological medicine. The Qishenlian eczema ointment comprises the following raw materials in parts by weight: 45 parts of coptis chinensis, 40 parts of radix sophorae flavescentis, 35 parts of rhizoma atractylodis, 40 parts of rhizoma paridis, 15 parts of pseudo-ginseng, 30 parts of cortex dictamni, 30 parts of calamine, 20 parts of pepper, 15 parts of borneol and 30 parts of liquorice. Research results show that the Qishenlian eczema ointment can effectively treat the skin pruritus of diabetes, has low recurrence rate, is safe to use and is easy to popularize and apply.

Description

Application of Qishenlian eczema ointment in preparation of medicine for treating diabetic skin itch
Technical Field
The invention belongs to the technical field of biological medicines, and particularly relates to application of Qihan Lian eczema ointment in preparation of a medicine for treating diabetic skin itch.
Background
The diabetic skin pruritus is skin lesions caused by microvascular disorder, nerve damage and the like caused by diabetes, namely, the diabetic patients have no skin primary damage, but skin pruritus is the skin disease which is mainly clinically represented, and the severe patients can have scratch marks, scabs, skin hypertrophy and lichenification. Itching is mainly caused by the change of blood plasma and interstitial fluid osmotic pressure caused by the rise or decrease of blood sugar, and is generated by stimulating nerve ending excitation, and is one of common complications of diabetics, the incidence rate of the itching can reach 7% -43% in the diabetics, and the itching is 2.7 times of that of non-diabetics.
At present, western medicine has no specific therapy for diabetes complicated with skin itch, and generally adopts an antiallergic therapy on the basis of diabetes basic treatment, but has certain side effects and is easy to relapse. Modern research has suggested that endogenous opioid peptides play an important role in nerve and mental regulation as well as an antipruritic effect on the nerves, and that such antipruritic effect is not caused by histamine release or prostaglandin formation. Therefore, the traditional Chinese medicine preparation with the efficacy of treating both principal and secondary aspect of disease has important clinical significance in discussing.
The patent CN1125117A 'eczema ointment' related to the invention is an invention patent declared by the precursor Kunming city torch technology development industry company Wang Dengke et al 1994.12.22 of the applicant of the invention. The seven-ginseng-to-link eczema ointment produced by the applicant is a product preferred by the patent, the approval document is national medicine standard B20020221, the execution standard is WS-5400 (B-0400) -2014Z, and the functions and indications are as follows: clearing heat and drying dampness, activating blood and detumescence, dispelling wind and relieving itching. Can be used for treating eczema due to wind dampness, heat, toxic materials, and blood stasis. Is widely used on the market, and achieves better treatment effect. However, the action mechanism of the traditional Chinese medicine is mainly to treat eczema exudation caused by wind dampness, heat and toxin stagnation, and no evidence exists to show that the traditional Chinese medicine has positive effects on skin lesions caused by microvascular disorder, nerve damage and the like caused by diabetes. Therefore, how to overcome the defects of the prior art is a problem which needs to be solved in the technical field of the biological medicine at present.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides application of Qishenlian eczema ointment in preparing a medicament for treating diabetic skin disease and pruritus.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
application of QISHENLIAN eczema ointment in preparing medicine for treating diabetic skin pruritus is provided.
Further, preferably, the seven-ginseng and even eczema ointment comprises the following raw materials in parts by weight:
45 parts of coptis chinensis, 40 parts of radix sophorae flavescentis, 35 parts of rhizoma atractylodis, 40 parts of rhizoma paridis, 15 parts of pseudo-ginseng, 30 parts of cortex dictamni, 30 parts of calamine, 20 parts of pepper, 15 parts of borneol and 30 parts of liquorice.
Further, preferably, the preparation method of the Qishenlian eczema ointment comprises the following steps:
pulverizing Coptidis rhizoma, radix Sophorae Flavescentis, rhizoma Atractylodis, rhizoma paridis, cortex Dictamni Radicis, fructus Zanthoxyli and Glycyrrhrizae radix into coarse powder, soaking in 5 times of water for 1 hr, boiling for 1 hr, filtering, adding 3 times of water, decocting for 1 hr, filtering, mixing three extractive solutions, and concentrating to obtain concentrated solution;
pulverizing Notoginseng radix, galamina, and Borneolum respectively, sieving with 100 mesh sieve, and collecting undersize;
heating the concentrated solution to 90 ℃ in a water bath, adding 1 part by weight of potassium hydroxide and 3.6 parts by weight of triethanolamine, and adding ethanol to dissolve the mixture to obtain a water phase;
heating 45 parts of stearic acid, 24 parts of glycerol, 1.5 parts of stearyl alcohol and 21 parts of liquid paraffin in a water bath to 90 ℃ to melt the mixture, and taking the mixture as an oil phase; heating in water bath, adding water phase, stirring, emulsifying, stirring, adding Galamina, notoginseng radix and Borneolum Syntheticum powder at a time, and mixing to uniformity to obtain 1000 parts.
Further, it is preferable that the weight ratio of the volume of the concentrated solution to the cortex dictamni is 6mL:1g.
Further, it is preferable that the volume ratio of the weight of potassium hydroxide to ethanol is 1g:15mL.
The invention is not limited to the particle size of the coarse powder, and may be limited according to conventional techniques in the art.
The stirring speed is not limited, and the stirring method is carried out according to a conventional method.
The skin pruritus caused by diabetes is a chronic skin complication of diabetes, and the pathogenesis of the skin pruritus is not completely clear. The inventor finds that diabetes mellitus is the primary disease of pruritus, the pathogenesis is multiple, deficiency and excess are mixed, the involvement is wide, if the treatment is improper, the treatment lasts for a long time, the qi and the yin are insufficient, dryness heat is generated internally, nutrient and blood are deficient, blood vessels are not full, blood circulation is unsmooth to cause blood stasis, blood deficiency, blood heat and blood stasis can generate wind, and moreover, spleen deficiency is easy to generate internal dampness or striae and interstitial is unstable, exogenous wind-damp heat evil is accumulated on skin, and skin is malnourished, skin pruritus is caused.
The QISHENLIAN eczema ointment has effects of clearing heat, eliminating dampness, promoting blood circulation, relieving swelling, dispelling pathogenic wind, and relieving itching, and can be applied to the pathogenesis of the disease. The plaster comprises rhizoma Coptidis, radix Sophorae Flavescentis, rhizoma Atractylodis, rhizoma paridis, radix Notoginseng, cortex Dictamni, galamina, fructus Zanthoxyli, borneolum Syntheticum, and radix Glycyrrhizae. The traditional Chinese medicine composition is mainly used for treating eczema, skin pruritus and the like caused by wind dampness, heat, toxin and blood stasis. Wherein, pseudo-ginseng has the effects of activating blood circulation to dissipate blood stasis and relieving swelling and pain as a monarch; kuh-seng and coptis root are ministerial drugs for clearing heat and drying dampness, purging fire and detoxicating; rhizoma atractylodis and cortex dictamni are added for dispelling wind and eliminating dampness, rhizoma paridis for detoxication and detumescence, calamine and borneol for drawing out toxin and relieving itching, and pepper for warming and relieving itching; the liquorice regulates the medicines. The medicines are compatible, and have the effects of dispelling wind and eliminating dampness, and detoxifying and relieving itching.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides application of Qishenlian eczema ointment in preparing a medicament for treating diabetic skin itch, and research results show that: the pruritus degree, the pruritus area, the pruritus frequency, the duration and the scratch mark of the cyproheptadine hydrochloride emulsifiable paste which are the seven-ginseng-to-eczema ointment and the antihistamine medicines are obviously reduced (P is less than 0.05), the pruritus degree, the pruritus area, the duration and the scratch mark of the cyproheptadine hydrochloride emulsifiable paste of the seven-ginseng-to-eczema ointment are more obviously reduced (P is less than 0.05), and the recurrence rate of the treatment group is lower than that of the control group; the Qishenlian eczema ointment can effectively treat the skin pruritus of diabetes, has low recurrence rate, is safe to use and is easy to popularize and apply.
2. The Qishenlian eczema ointment has the functions of clearing heat and drying dampness, activating blood and relieving swelling, dispelling wind and relieving itching, and is capable of treating both symptoms and root causes;
3. compared with antihistamines, the preparation has more remarkable advantages and less side effects;
4. the invention can also have beneficial effects on the main symptoms of diabetics, and the details are shown in table 3.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the present invention and should not be construed as limiting the scope of the invention. The specific techniques or conditions are not identified in the examples and are performed according to techniques or conditions described in the literature in this field or according to the product specifications. The materials or equipment used are conventional products available from commercial sources, not identified to the manufacturer.
The Qishenlian eczema ointment comprises the following raw materials in parts by weight:
45 parts of coptis chinensis, 40 parts of radix sophorae flavescentis, 35 parts of rhizoma atractylodis, 40 parts of rhizoma paridis, 15 parts of pseudo-ginseng, 30 parts of cortex dictamni, 30 parts of calamine, 20 parts of pepper, 15 parts of borneol and 30 parts of liquorice.
The preparation method of the Qishenlian eczema ointment comprises the following steps:
pulverizing Coptidis rhizoma, radix Sophorae Flavescentis, rhizoma Atractylodis, rhizoma paridis, cortex Dictamni Radicis, fructus Zanthoxyli and Glycyrrhrizae radix into coarse powder, soaking in 5 times of water (5 times of the total mass of Coptidis rhizoma, radix Sophorae Flavescentis, rhizoma Atractylodis, rhizoma paridis, cortex Dictamni Radicis, fructus Zanthoxyli and Glycyrrhrizae radix) for 1 hr, boiling for 1 hr, filtering, decocting the residue with 3 times of water (3 times of the residue mass) for 2 times, 1 hr each time, filtering, mixing three extractive solutions, and concentrating; the weight ratio of the volume of the concentrated solution to the cortex dictamni is 6mL:1g;
pulverizing Notoginseng radix, galamina, and Borneolum respectively, sieving with 100 mesh sieve;
heating the concentrated solution to 90 ℃ in a water bath, adding 1 part by weight of potassium hydroxide and 3.6 parts by weight of triethanolamine, and adding ethanol to dissolve the concentrated solution to obtain a water phase; the volume ratio of the weight of potassium hydroxide to ethanol is 1g:15mL;
adding 45 parts of stearic acid, 24 parts of glycerol, 1.5 parts of stearyl alcohol and 21 parts of liquid paraffin into a water bath kettle in a container to dissolve at 90 ℃ to obtain an oil phase; heating in water bath, introducing water phase, stirring, emulsifying, stirring, sequentially adding Galamina, notoginseng radix and Borneolum Syntheticum powder, and mixing to uniformity to obtain 1000 parts.
Clinical experiments prove that the prepared Qishenlian eczema ointment has the effect of effectively treating the skin pruritus caused by diabetes.
1 clinical data
1.1 diagnostic criteria
(1) Western diagnostic criteria
Referring to the diagnosis standard of the diabetes mellitus complicated skin pruritus in the traditional Chinese medicine control guideline of diabetes mellitus complicated skin diseases, which is formulated by the Chinese medical society: 1) A history of diabetes; 2) No primary skin damage; 3) Paroxysmal systemic or local skin itching may be accompanied by scratches, scabs, skin hypertrophy, lichenification, pigmentation, etc.
(2) Dialectical standard of Chinese medicine
Reference to the "guidelines for clinical research of New Chinese medicine" (first edit) the guidelines for clinical research of New Chinese medicine for treating wind-itching "refers to the criteria for syndrome differentiation.
Main symptoms are as follows: itching of the skin, desquamation of the rash, scratch of the scab;
secondary symptoms: dry skin, hypertrophic and mossy, bitter taste and thirst, and dysphoria;
pulse condition of tongue: a red tongue with yellow coating and a thready pulse.
(3) Grading and quantifying standard for symptom signs
According to the contents of Chinese clinical dermatology and related documents, the symptoms (pruritus degree, area, frequency and duration) and signs (dryness, scales, scratches, scabs, pimples and moss) of patients are quantified, and are classified into 4 grades according to the non-, mild-, moderate-and severe grades, namely 0, 2, 4 and 6 grades respectively. See table 1.
Table 1 symptom and sign grading quantization table
Figure BDA0004132844230000041
Figure BDA0004132844230000051
Note that: the pruritus area is estimated according to the adult body surface area Chinese ninth method; the tongue pulse is recorded only without scores.
(4) Grading standard of disease degree
Mild, the integral of the symptoms of the traditional Chinese medicine is less than or equal to 16 minutes; moderate, chinese medicine symptom integral 17-32 points; severe symptom score of Chinese medicine is greater than or equal to 33 minutes.
1.2 inclusion criteria
Meets the western medicine diagnosis and the traditional Chinese medicine differentiation standard; age 18-75 years old; other clinical trials of the drug have not been carried out in nearly 2 weeks, and traditional Chinese medicines (Chinese patent medicines and decoction) and western medicines (antihistamine, glucocorticoid and the like) related to the treatment of the disease have not been used in 1 week; the patient informed consent.
1.3 exclusion criteria
Mental patients; pregnant or lactating women; allergic constitution or allergic to test drugs; patients are reluctant to cooperate with the therapy.
1.4 general data
72 cases of diabetic skin pruritus patients in the traditional Chinese medicine hospitals of the Yunnan province, the Yunnan pleasant rehabilitation hospitals and the home-care nursing homes of the Yunnan aged in 2021 month to 2022 month 3 are selected, and 36 cases of the treatment group and the control group are respectively divided by adopting a random digital table method. 24 cases were assigned to each of 3 medical institutions, and 12 cases were assigned to each of the treatment group and the control group. 17 men and 19 women in the treatment group; age 41-75 years, average (59.62+ -12.27) years; the disease course is 6-23 years, and the average (14.32+/-4.48) years. 20 men and 16 women in the control group; age 39-73 years, average (58.12 ±13.67) years; the disease course is 5-22 years, and the average (15.67+/-5.16) years. The difference between the general data of two groups of patients is not statistically significant (P > 0.05), and the two groups of patients are comparable.
2 method
2.1 methods of treatment
Basic treatment: both groups carry out the knowledge and education of diabetes, improve the treatment compliance and ensure the good implementation and execution of treatment measures; keep diet control and reasonable exercise; the hypoglycemic drugs are reasonably selected, so that the blood sugar is kept stable, the fasting blood sugar is less than or equal to 7.0mmol/L, the postprandial blood sugar is less than or equal to 10.0mmol/L for 2 hours, and the glycosylated hemoglobin is less than 7 percent.
Treatment group: the ointment (10 g each of which is produced by Yunnan blue-green kang pharmaceutical industry Co., ltd., national drug standard B20020421) is added for external use at the same time in basic treatment, and a proper amount of the ointment is applied to an affected part for 3 times a day.
Control group: the basic treatment is added with cyproheptadine hydrochloride emulsifiable paste (10 g each, manufactured by Hunan Wuzhou Tong pharmaceutical industry Co., ltd.) for external use, and the Chinese medicine standard H20066349 is applied to the affected part with a proper amount for 3 times per day.
Note that: the invention is not limited in use amount, and can be carried out according to conventional technical means in the field.
Both treatment courses were 14 days. Neither group was combined with other treatments during the treatment period, and was prohibited to eat spicy raw and cold foods.
2.2 observations index and method
2.2.1 blood glucose levels two groups of patients were tested for fasting blood glucose and postprandial 2h blood glucose before and after treatment.
2.2.2 symptom sign scoring
The standard of quantitative grading of symptom signs is shown in Table 1, and each record is 1 time before and after treatment.
2.2.3 adverse reactions of two groups of patients were observed during the treatment, and blood, urine, stool, and liver and kidney functions were detected before and after the treatment.
Recurrence was followed 2 weeks after treatment.
2.3 therapeutic efficacy criterion
The total integral of symptoms and signs before and after treatment was calculated with reference to the therapeutic effect determination criteria for diabetic cutaneous pruritus in the "chinese clinical dermatology" and related literature, and the therapeutic effect index= (pre-treatment integral-post-treatment integral)/pre-treatment integral×100% was calculated. And (3) healing: the clinical symptoms and physical signs disappear, and the curative effect index is more than or equal to 95%; the effect is shown: the clinical symptoms and the physical signs are obviously improved, and the curative effect index is [70%, 95%); the method is effective: the clinical symptoms and physical signs are improved, and the curative effect index is 30 percent and 70 percent; invalidation: the clinical symptoms and physical signs are not improved or aggravated, and the curative effect index is less than 30 percent.
2.4 statistical methods
Statistical analysis was performed using SPSS24.0 software. The counting data is expressed by the number of examples and percentage, and the metering data is expressed by mean ± standard deviation (x ± s); the counting data is compared by X2 test, and the metering data is compared by t test. P < 0.05 is statistically significant for the differences.
3 results
3.1 comparison of clinical efficacy of two groups of patients
Of 36 patients in the treatment group, 4 (11.1%), 12 (33.3%), 16 (44.4%), 4 (11.1%), and 32 (88.9%) were cured. Out of 36 patients in the control group, 2 cases (5.6%), 6 cases (16.7%), 18 cases (50.0%), 10 cases (27.8%) and 26 cases (72.2%) were cured. The difference of the total effective rate of the two groups of clinical curative effects is statistically significant (P is less than 0.05), and the treatment group is superior to the control group. See table 2.
Table 2 comparison of therapeutic effects in the treated group and the control group
Figure BDA0004132844230000071
3.2 comparison of blood glucose before and after treatment of two groups of patients
The fasting blood glucose and postprandial blood glucose of the two groups of patients are reduced compared with those before treatment, but the difference has no statistical significance (P is more than 0.05). See table 3.
TABLE 3 comparison of blood glucose before and after treatment (mmol/L, x.+ -. S) for two groups of patients
Figure BDA0004132844230000072
3.3 comparison of sign scores of symptoms before and after treatment for two groups of patients
The symptom integral of the two groups of patients after treatment is obviously reduced (P is less than 0.05) compared with that of the two groups of patients before treatment, and the pruritus degree, pruritus area, duration and scratch and scab integral of the treatment group are obviously reduced (P is less than 0.05) compared with that of the control group. See table 4.
Table 4 comparison of sign scores of symptoms before and after treatment (score, x.+ -. S) for two groups of patients
Figure BDA0004132844230000081
Compared with the prior treatment of the group, the ∈P is less than 0.05; delta P < 0.05 compared to control post-treatment.
3.4 comparison of recurrence after treatment for two groups of patients
Following 1 week after the end of treatment, 12 cases (33.31%) of treatment recurred, 21 cases (58.3%) of control recurred, and the comparison difference of the two recurred rates was statistically significant (P < 0.05), and the recurrence rate of the treatment was lower than that of the control. See table 5.
Table 5 comparison of recurrence of the treated group with the control group
Group of Number of examples Recurrence (percent)
Treatment group 36 12(33.31%)
Control group 36 21(58.3%)
3.5 adverse reactions
No adverse reactions occurred in the treatment and control groups during the treatment period. The blood, urine and stool are normal before and after the treatment, and the liver and kidney functions and the electrocardiogram are not abnormal.
Results the pruritus degree, pruritus area, pruritus frequency, duration and scratch and scab integral of both groups after treatment are obviously reduced (P < 0.05), and the pruritus degree, pruritus area, duration and scratch and scab integral of the treatment groups are obviously reduced (P < 0.05); the total effective rate of the treatment group is 32 cases (88.9%), the total effective rate of the control group is 26 cases (72.2%), and the comparison difference of the two groups of total effective rates has statistical significance (P is less than 0.05); the treatment group recurred 12 cases (33.31%) after 2 weeks from the end of treatment, the control group recurred 21 cases (58.3%), and the comparison difference of the two recurrence rates has statistical significance (P < 0.05), and the recurrence rate of the treatment group is lower than that of the control group.
Conclusion 4
4.1 the external use of the Qishenlian eczema ointment can effectively improve the symptoms of patients with the skin pruritus caused by diabetes.
4.2 the external use of the seven-ginseng and even eczema ointment has more obvious symptoms for improving patients with the skin itch of diabetes compared with the external use of the cyproheptadine hydrochloride emulsifiable paste.
4.3 the external use of the Qishenlian eczema ointment has lower recurrence rate for treating the skin pruritus of diabetes.
4.4 the external use of the Qishenlian eczema ointment has no obvious adverse reaction and safe clinical application.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. Application of QISHENLIAN eczema ointment in preparing medicine for treating diabetic skin pruritus is provided.
2. The application of the Qishenlian eczema ointment according to claim 1 in preparing a medicine for treating diabetic skin itch, which is characterized in that the Qishenlian eczema ointment comprises the following raw materials in parts by weight:
45 parts of coptis chinensis, 40 parts of radix sophorae flavescentis, 35 parts of rhizoma atractylodis, 40 parts of rhizoma paridis, 15 parts of pseudo-ginseng, 30 parts of cortex dictamni, 30 parts of calamine, 20 parts of pepper, 15 parts of borneol and 30 parts of liquorice.
3. The application of the Qishenlian eczema ointment according to claim 2 in preparing a medicament for treating diabetic skin itch, which is characterized in that the preparation method of the Qishenlian eczema ointment comprises the following steps:
pulverizing Coptidis rhizoma, radix Sophorae Flavescentis, rhizoma Atractylodis, rhizoma paridis, cortex Dictamni Radicis, fructus Zanthoxyli and Glycyrrhrizae radix into coarse powder, soaking in 5 times of water for 1 hr, boiling for 1 hr, filtering, adding 3 times of water, decocting for 1 hr, filtering, mixing three extractive solutions, and concentrating to obtain concentrated solution; pulverizing Notoginseng radix, galamina, and Borneolum respectively, sieving with 100 mesh sieve, and collecting undersize;
heating the concentrated solution to 90 ℃ in a water bath, adding 1 part by weight of potassium hydroxide and 3.6 parts by weight of triethanolamine, and adding ethanol to dissolve the mixture to obtain a water phase;
heating 45 parts of stearic acid, 24 parts of glycerol, 1.5 parts of stearyl alcohol and 21 parts of liquid paraffin in a water bath to 90 ℃ to melt the mixture, and taking the mixture as an oil phase; heating in water bath, adding water phase, stirring, emulsifying, stirring, adding Galamina, notoginseng radix and Borneolum Syntheticum powder at a time, and mixing to uniformity to obtain 1000 parts.
4. The use of the paste for treating diabetic skin itch according to claim 3, wherein the weight ratio of the volume of the concentrated solution to the cortex dictamni is 6mL:1g.
5. Use of the paste according to claim 3 for the preparation of a medicament for the treatment of diabetic cutaneous pruritus, characterized in that the ratio by volume of potassium hydroxide to ethanol is 1g:15mL.
CN202310265463.XA 2023-03-20 2023-03-20 Application of Qishenlian eczema ointment in preparation of medicine for treating diabetic skin itch Pending CN116159104A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115300574A (en) * 2022-06-24 2022-11-08 朱明浩 Application of eczema ointment containing seven kinds of ginseng and coptis in preparation of medicine for treating neurodermatitis

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115300574A (en) * 2022-06-24 2022-11-08 朱明浩 Application of eczema ointment containing seven kinds of ginseng and coptis in preparation of medicine for treating neurodermatitis

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
沈毅: "七参连软膏治疗阴囊瘙痒症疗效观察", 《数理医药学杂志》, vol. 26, no. 4, pages 465 *

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