Chinese medicinal composition for treating bronchial asthma and preparation method thereof
A bronchial asthma and composition technology, applied in the field of traditional Chinese medicine composition and its preparation, can solve problems such as inconvenient taking, ineffective anti-asthma effect, and large prescriptions
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experiment example 1
[0056] Experimental Example 1 Pharmacodynamics Test
[0057] Experimental Materials:
[0058] Test drug: Xianling Pingchuan dripping pills, 0.05g per pill, 0.45g of crude drug in each pill, batch number: 010909, is a compound preparation of traditional Chinese medicine, provided by the preparation room of the Department of Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine. The preparation is made into 1.95%, 3.9%, 5.85% and 2.7%, 5.4%, 10.8% suspensions (referring to drop pill solution) respectively by distilled water for subsequent use. Dosage design basis: Clinical adults take 20 capsules each time, 3 times a day, a total of 60 capsules a day, taking 3g of finished medicine per day, which is equivalent to 27g of crude medicine per day. Dosage Design Basis: Calculating Animal Dosage Based on Body Surface Area: Mouse 20g = adult dose 3 × 0.0026 = 0.0078g, 0.0078 × 50 = 0.39g / kg (equivalent to 3.51g / kg of crude drug) is the equivalent dose, and...
experiment example 2
[0130] Experimental Example 2 Clinical Experiment
[0131] 【Design types and principles】
[0132] 1. Type of research design: Pilot clinical trial; using segmented random grouping, control (3:1), double-blind research design.
[0133] 2. Sample size required for clinical trial research: sample size: 40 cases.
[0134] 3. Segmented random method: SASV8 software was used to conduct segmented random grouping; 40 inpatients or outpatients were divided into a treatment group and a control group, with 30 cases in the treatment group and 10 cases in the control group.
[0135] 4. Blind design
[0136] A double-blind measurement method was adopted; the researchers (measurers, namely medical technicians, data managers and statistical analysis workers) and the research objects (patients) were blinded.
[0137] 5. Comparison
[0138] Experimental group: routine western medicine treatment + Xianling Pingchuan prescription
[0139] Control group: routine western medicine treatment + c...
experiment example 3
[0257] Experimental Example 3 Preparation Research
[0258] 1. Selection of substrate
[0259] Most of the medicinal ingredients in the composition of the present invention are large molecular weight, poorly soluble substances, and thermally unstable ingredients. In order to improve drug dissolution and maximize drug loading, the selection of the matrix is very important.
[0260] The bases of dropping pills can be divided into two categories: fat-soluble and water-soluble. Sexual bases include polyethylene glycols, sodium stearate, urea polyether poloxamer, etc.
[0261] The preliminary test shows that when PEG4000 is used as the matrix, the hardness, roundness and heat resistance of the dropping pills are poor.
[0262] In this test, the roundness and hardness of the dropping pills are used as indicators, and the mixture of the two in different proportions is investigated as the matrix. The roundness refers to the ratio of the shortest diameter to the longest diameter o...
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