Abstract
Introduction. Oxymethyluracil is an effective antihypoxant in a model of histotoxic hypoxia. Acetylcysteine combines the properties of a toxicotropic nonspecific and toxicokinetic antidote, promotes the synthesis of glutathione in the body. The aim of the research was a preliminary assessment of the antihypoxic properties of the complex compound of oxymethyluracil with acetylcysteine in the model of histotoxic hypoxia. Materials and methods. To study the antihypoxic properties, a model of acute histotoxic hypoxia was used. The studied compound was injected into the abdominal cavity of experimental mice three times with an interval of 30 minutes at 100 and 500 mg/kg of body weight, then after 30 minutes the toxicant was introduced. Comparators were oxymethyluracil and acetylcysteine. Results. The complex compound of oxymethyluracil with acetylcysteine in the model of acute histotoxic hypoxia statistically significantly was established to increase the lifespan of mice at a dose of 500 mg/kg of body weight. A dose of 100 mg/kg of the compound is practically ineffective. Limitations. The limitations of the study are related with antihypoxic properties of the new complex compound of oxymethyluracil with acetylcysteine previously studied in one model of hypoxia (histotoxic), because oxymethyluracil (as an antihypoxant) is most effective in this experimental model. For a final judgment on the antihypoxic properties of the studied compound, it is necessary to continue studies on other models of hypoxia. In addition, in order to identify possible synergism (potentiation) of the action of oxymethyluracil and acetylcysteine, it seems appropriate to conduct studies to evaluate the antihypoxic effect with their simultaneous administration (in the form of a simple mixture). Conclusion. A new complex compound of oxymethyluracil with acetylcysteine can be recommended for further wider (preclinical) research as a potential antihypoxant.
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