Search Results - E. S. Melnikov

The method of express detection of hypotensive drugs (atenolol, propranolol, nifedipine, enalaprile and verapamil) in urine samples of patients with acute poisonings was developed. The optimum conditions of group identification of hypotensive drugs using TLC were found. Analysis by GC-MS allows to d...

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Introduction. Busereline, being a synthetic gonadotropin-releasing hormone analog, is widely used for hormone-dependent cancer treatment (e.g. prostate cancer and breast cancer). Based on the accumulated scientific data for busereline quantitation in biosamples, the main analytical method that is us...

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Introduction. Based on the systemic sociological methodology, the paper discusses the content of the anti-corruption policy in modern Russian society as a systemic education. Despite the complex nature of the measures taken by the authorities to combat corruption, the latter is perceived by public o...

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Rational use of glybenclamide products in the treatment of patients with type 2 diabetes remains a high-priority task. The paper offers a summary of the main groups of glibenclamide drugs and describes pharmacogenetics of glybenclamide. Glibenclamide is metabolized by the enzyme cytochrome P450 2C9...

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Relevance The large number of atypical antipsychotic drugs on the market , the breadth of their medical and non-medical use, and their relative affordability make atypical antipsychotics common causes of overdose, suicidal actions or non-medical use of drugs. At the same time, they remain insufficie...

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BACKGROUND The market of hypnotic and sedative drugs is being updated due to the high toxicity of barbiturates and the limitations of their use. Currently, safer drugs such as Z-drugs, Doxylamine, and some benzodiazepine derivatives are often prescribed for the treatment of anxiety and insomnia, but...

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Background. The relative availability of Phenazepam makes it a frequent cause of overdose, suicide and non-medical use. At the same time, it remains insufficiently studied in chemical and toxicological terms.The aim of study. to create an accessible, rapid method for detecting Phenazepam in biologic...

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A method for quantification of capecitabine and 5-fluorouracil in human plasma was developed. The sample preparation was carried out by protein precipitation with methanol. The quantitative determination was performed by HPLC with a triple quadrupole mass-detector. The method was validated in terms...

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Introduction. Vitex agnus-castus is an important plant in medicine. Extract from its fruits is used as part of drugs for the treatment of premenstrual syndrome.Aim. To study the chemical composition of water-ethanol extract from Vitex fruits, to establish the dopaminergic activity of various extract...

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The express method for simultaneous determination of enalapril and enalaprilat in human serum using HPLC-MS/MS is proposed. A simple sample preparation procedure, short analysis time, and a wide analytical range for both analytes (5.00 to 250.00 ng/mL) characterize this method. This technique is use...

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Introduction. Coenzyme Q10 plays an important role in the human body. Its main function is not only the transfer of electrons in the mitochondrial respiratory chain for the ATP synthesis, but it is also one of the most powerful antioxidants in the body.The aim of research is to monitor the relations...

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Introduction. Tadalafil is a drug used to treat erectile dysfunction. For the quantitative determination of tadalafil in human plasma are used methods of high performance liquid chromatography with ultraviolet and tandem mass spectrometric detection, during the analytical part of pharmacokinetic stu...

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Relevance. Coenzyme Q10 is one of the main components that maintain the balance of the body's redox regulatory system. Although some studies have examined plasma concentrations of CoQ10 in various diseases, the distribution of ubiquinol and ubiquinone, as well as the redox state of CoQ10, remai...

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Introduction. The number of peptide drugs being developed and registered has increased in recent years. Therefore, modern analytical approaches and methods are required to determine these substances in biological matrices during pharmacokinetic studies. Peptides are structurally intermediate between...

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Introduction. The development and registration of antiviral drugs is an urgent task. Flavonoids, in particular, luteolin-7-glycoside (cinaroside, luteolin-7-O-glycoside) demonstrate high broad-spectrum antiviral activity in vitro, and the industrial regulations for the production of luteolin-7-glyco...

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Carbamazepine is the drug of first choice in the treatment of trigeminal neuralgia, epilepsy and other neurological diseases. Carbamazepine is known to have a narrow therapeutic range, and hereby the auto-induction of its metabolism with prolonged use cause the reduction of its therapeutic efficacy....

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Objective. To study the course of the new coronavirus infection in patients with chronic kidney disease (CKD), to identify cases of acute kidney injury (AKI) in the setting of COVID-19 infection, and to access the impact of renal function on prognosis in these categories of patients during the acute...

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A new method for determination of moxifloxacin in human plasma using HPLC with UV-detection is described. The sample preparation was made by protein precipitation by 50% trifluoracetic acid solution. The method was validated in terms of selectivity, calibration curve, accuracy, precision, lower limi...

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Early in 2020, the infection caused by SARS-CoV-2 emerged and caused the COVID-19 pandemic. For a long time, management of patients with the acute novel coronavirus infection was of primary importance. With accumulation of clinical information and data on the causative agents of novel coronavirus in...

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Vancomycin is prescribed to patients in serious condition with infections caused by Gram-positive microorganisms; however, if the therapeutic plasma concentration of the medicinal product is exceeded, it can have a nephrotoxic effect.The aim of the study was to demonstrate the possibility of using t...

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