The active component of the drug Advantan - methylprednisolone aceponate - is a non-halogenated steroid.
With external use, Advantan suppresses inflammatory and allergic skin reactions, as well as reactions associated with increased proliferation, which leads to a reduction in the objective symptoms of inflammation (erythema, edema, mocclusion, etc.) and subjective sensations (itching, irritation, pain and etc.).
When applying methylprednisolone aceponate topically at the recommended dose, the systemic effect is minimal in both humans and animals. After multiple application of Advantan on large surfaces (40-60% of the skin surface), as well as the use of an occlusive dressing, there are no violations of the adrenal function: the level of cortisol in the plasma and its circadian rhythm remain within normal limits, the level of cortisol in the daily urine does not decrease.
In clinical studies with the use of Advantan up to 12 weeks in adults and up to 4 weeks in children (including, early age), there was no development of skin atrophy, telangiectasias, striae and acne-like rashes.
Methylprednisolone aceponate (especially its main metabolite - 6α-methylprednisolone-17-propionate) binds to intracellular glucocorticosteroid receptors. The steroid-receptor complex binds to certain parts of the DNA of the cells of the immune response, thus causing a series of biological effects.
In particular, binding of the steroid-receptor complex to the DNA of the immune response leads to the induction of macrocortin synthesis.Macrocortin inhibits the release of arachidonic acid and, thereby, the formation of inflammatory mediators such as prostaglandins and leukotrienes. Inhibition of glucocorticosteroids synthesis of vasodilating prostaglandins and potentiation of vasoconstrictive action of epinephrine lead to vasoconstrictor effect.