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*Corresponding Author: Ravliv Yuliia Andriivna, Horbachevsky Ternopil National Medical University, Ukraine
Citation: Ravliv Yuliia Andriivna, Pokotylo Olena Olexandrivna, Dermatomyositis-Like Multicentric Reticulohistiocytosis: A Clinical Clue to Verify Underlying Malignancy. J Clinical Research and Reports, 4(3); DOI:10.31579/2690-1919/072
Copyright: © 2020 Ravliv Yuliia Andriivna. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Received: 13 March 2020 | Accepted: 15 April 2020 | Published: 04 May 2020
Keywords: powder of swine’s cryolophilized xenoderma; lecithin; pills; stability; xenodermic implants; ulcerative processes; wound healing activity
The aim of this research was to study of stability of the basic physico-chemical and pharmaco-technological indexes of quality (appearance, average mass, homogeneity of mass, resistance to crushing, erosion, decomposition, identification and quantitative determination of amino acids) obtained samples of tablets based on the swine’s cryoliophilized xenoderma with lecithin and without it. The results of study samples of drugs fit into acceptable standards and show the stability of the main quality indicators during three years of storage at a temperature (8-10)° C in a tightly closed containers in a place protected from light.
Nowadays the pharmaceutical market offers a number of medicines with immunostimulatory and immunoprotective pharmacological activity. [3,16] In the complex treatment of this pathology, in addition to etiotropic therapy, the polypropylenic drugs of symptomatic action are widely used. The majority of these drugs contain active pharmaceutical ingredients (APhIs) of chemical origin. However, the global pharmaceutical market is increasing the demand for drugs of natural origin, in particular for organopreparations. [16] The urgent necessity in creating effective natural medicines, from natural raw materials, for prevention and treatment of various diseases is primarily due to the negative environmental effect and stress factors influence on the human health and employability.
Organopreparations complement the deficiency of cellular biomolecules, eliminate various "cellular defects" at the cellular level, due to the effect of organotropy improve the processes of physiological regeneration in the appropriate organs of the patient. This leads to a normal renovation of organs and tissues and theirs physiological functions.
So, a group of Ukrainian scientists under the leadership of prof. V.V. Bihuniak (LLC "Institute of Biomedical Technologies", Ternopil) has developed a dietary supplement "Xenoderm", which contains natural complexes of peptides, amino acids, micro-and macro elements, nucleotides, growth factors, etc. [13,14] Such dietary supplement cause a wide range of pharmacological activity, accordingly: antihistamines, antiallergic, membrane-protector, anti-toxic and antimicrobial effects in allergic diseases; stimulate the effective healing of wounds and ulcers; improves the functioning of the digestive system; has the properties of a natural adsorbent. [2,6,7]
Considering the deficit of the natural origin preparations of the above mentioned action in the modern pharmaceutical market, it was necessary to conduct the pharmaceutical development and basic pharmaco-technological research, in particular, studying the stability of swine’s cryoliophilized xenoderma pills.
Under the conditions of organoxenodermotransplants’ manufacture, which are included in the state register of medical products of Ukraine and are widely used in burns department, it has been developed and tested a technology of the grinded substrate of swine’s cryoliophilized xenoderma as a substance for the manufacture tablets for oral ingestion [TC U 15.8-35578106 -001: 2011] [14]. Grinded swine’s cryoliophilized xenoderma powder are packed in polyethylene bags (Fig. 1.).
Fig. 1. View of grinded swine’s cryoliophilized xenoderma powder
It was used as an active substance a dry amorphous, large-granulated, hygroscopic powder of swine’s cryoliophilized xenoderma, gray color with separate yellow-brown different shapes particles for developing the composition and technology of the tablets. In order to select the excipients, it was established appropriate pharmaco-technological research of the tablets and were determined the relationship between the quantitative pharmaceutical factors. [10] This way, for the first time, it were proposed the composition and technology of tablets based on the swine’s cryoliophilized xenoderma (Fig. 2) and composition and technology of tablets based on swine’s cryoliophilized xenoderma with lecithin (Fig. 3) that were the subject of our stability research.
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Fig. 2. View of swine’s cryoliophilized xenoderma tablets | Fig. 3. View of swine’s cryoliophilized xenoderma tablets with lecithin |
It has been developed the project of operating practices of technology and quality control methods for the tablets which have been tested in the industrial conditions at Farmak IL.
Stability tests were carried out with tablets based on swine’s cryoliophilized xenoderma with lecithin and without it in order to obtain the results about medicines’ quality changes under the influence of various environmental factors, as well as to establish the recommended storage conditions for the samples. [1,5,8,10]
Preliminary, samples of tablets were packed in polypropylene plastic containers in 100 pcs/pack and stored in a dark place at a temperature of (8-10) ° C, so far as lecithin is capable of oxidation and the loss of valuable properties of the swine’s cryoliophilized xenoderma at a high temperature. Stability research of two types of tablets (with lecithin and without) were determined for 2 years, the results of the basic pharmaco-technological parameters were recorded every 3 months in the first year and every 6 months in the second year of the test. The samples of the tablets were examined in appearance, average weight, mass homogeneity, crushing resistance, friability of tablets, disintegration, quantitative content of amino acids in accordance with the requirements of the SPhU. [15] The results of the research of the basic pharmacological and technological parameters of the tablets are shown in tables 1, 2.
We used the computer program in Microsoft Excel for automate statistical calculations.
Storage conditions have a great effect on the stability of medicinal substances in tablets and their physico-chemical parameters. It’s known the tablets lose moisture in a dry air that is one of the main reasons for their cementation and complete loss of ability to disintegration. At high humidity, the stability of the tablets usually decreases, while the time of disintegration can increase or decrease. [1,9] Rise of air temperature and the solar activity also has a negative effect on the quality of tablets. Therefore, the tablets are stored at room temperature in a dry, light-protected place. [11]
Stability testing should include studies of characteristics of a finished product that are subject to changes in storage and may affect quality, safety and / or efficacy. It is necessary to investigate (depending on the specific situation) physical, chemical, biological and microbiological properties. [4,8,12] Thus, research the stability of medicines is an additional source for the development and improvement of requirements that determine the quality of pharmaceuticals. [5]
General approaches to the stability’s study have been applied for organ preparations as well. However, these products have a number of distinct features, which implies the existence of a carefully designed research program that confirms stability over the proposed shelf life. For this category of products where the active substance is usually biologically active substances, the preservation of the molecular structure and biological activity, accordingly, depends on the interactions due both to non-covalent and covalent bonds. This determines their increased sensitivity to such environmental factors as temperature change, the effect of oxidation, light, ionic composition, and so on. [4,17] In order to storage the biological activity of the tablets and to prevent their disintegration, strictly limited storage conditions are usually used.
In our case, the tablets’ samples were stored at conditions consistent with long-term stability studies.
Table 2. Results of study of stability of the studied samples of tablets based on the cryolophilized xenoderm in pigs with lecithin during storage at a temperature of (9 ± 1) ° С, humidity (60 ± 5)% (n = 5; p≤0.05)
The results of stability research of samples of tablets based on the swine’s cryoliophilized xenoderma 0.4 g during storage at a temperature of (9 ± 1)°C, humidity (60 ± 5)% (n = 5; p≤0.05)
The results of stability research of samples of tablets based on the swine’s cryoliophilized xenoderma with lecithin during storage at a temperature of (9 ± 1)°C, humidity (60 ± 5)% (n = 5; p≤0.05)
According to the presented data, during 36 months (3 years), no significant changes in the quality of the proposed tablets’ samples are made that could affect the medicines’ quality.
Tablets based on the swine’s cryoliophilized xenoderma and based on the swine’s cryoliophilized xenoderma with lecithin were stored at a temperature of (8-10)°C and provide positive identification and quantitative tests. The quantitative content varies within the determination error. The results of tablets’ samples research satisfy to established standards.
This way, the studied tablets were stable during storage throughout the observation period. The recommended shelf life of the proposed tablets is at least two years under following stored conditions: temperature - (8-10) ° C in tightly closed containers in a place protected from light.
1. In this study, the stability of the basic pharmaco-technological parameters of tablets based on the swine’s cryoliophilized xenoderma with lecithin and without it under the storage conditions ((9 ± 1) ° С at humidity (60 ± 5)%) for three years was determined.
2. The studies showed that the shelf life of the tablets has been inverstigated: at least 2 years at a temperature of (9 ± 1) ° С in tightly closed containers in a place protected from light at a humidity (60 ± 5) %.
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