Relevance. The menopausal period due to irreversible loss of ovarian function is accompanied by various clinical symptoms and systemic changes. In turn, hormone replacement therapy has a number of contraindications and side effects, so now there is a need to find and create prophylactic and therapeutic agents based on natural compounds that are related to β-estrogen receptors. Vaginal gel with resveratrol and hyaluronic acid can reduce atrophic manifestations of the vaginal mucosa and affect various symptoms of menopause. However, the nature of the effect, dosage, and consequences of long-term use of resveratrol need further study.
Objective: to study pharmacological properties of a new vaginal gel with resveratrol and hyaluronic acid (HA) in a model of hypoestrogenism in ovariectomized rats.
Materials and methods. The experiments were performed on 24 outbred white nonlinear female rats, which were divided into 4 groups: intact control, controlled pathology, controlled pathology, and administration of resveratrol with hyaluronic acid, controlled pathology, and administration of a comparison drug with synthetic estrogen. The effectiveness of the drugs was assessed by their effect on the blood levels of the sex hormones estrogen and progesterone, on body weight, on body temperature, on the pH of vaginal secretions, on the state of the vaginal mucosa.
Results. 28-day vaginal injection of gel with resveratrol and hyaluronic acid slowed down and normalized weight gain of ovariectomized female rats, stabilized skin temperature and induced normalization of the pH of vaginal secretions of the vagina, normalized the level of sex hormones in the blood, promoted the restoration of the epithelial plate of the vagina.
Conclusions. The results showed the feasibility of developing and using a new vaginal gel with resveratrol as an alternative to hormone-containing drugs for the prevention or treatment of pathological hypoestrogenic conditions arising from estrogen deficiency.
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