[Melatonin - known problems and perspectives of clinical usage]. / Melatonin - izvestnye i novye oblasti klinicheskogo primeneniia.

The article discusses well-known and ongoing studies of mechanisms of action of melatonin. The main clinical effects of melatonin are discussed. The emphasis on the chronobiological effect of melatonin, its adaptogenic and anti-carcinogenic properties has been done in the article. The most frequent manifestations of epiphyseal melatonin deficiency are various functional disorders in the form of insomnia, anxiety or depressive disorders. Recommendations on the effective use of melatonin in its deficiency due to pathology are given.

[Vaccination in rheumatology: Evolution of views on the problem]. / Vaktsinatsiia v revmatologii: évoliutsiia vzgliadov na problemu.

The problem of coinfections that are due to both a rheumatic disease (RD) itself and the need to use immunosuppressive drugs deserves apparent attention in modern rheumatology. Coinfections substantially affect morbidity and mortality rates, especially in diffuse connective tissue diseases. The data available in the literature on the above subject matter suggest that vaccination is a powerful method for prevention of infectious diseases that are the most important problem for patients with RD.