The study of antidepressant properties of new 1,2,3-triazolo-1,4-benzodiazepine derivatives




triazolobenzodiazepine derivatives; forced swim test; tail suspension test; antidepressant activity


Anxiety-depressive disorders are among the most common mental health conditions and often cause significant functional impairment, affecting a person’s quality of life. Research conducted in recent years indicate the importance of studying and searching for new substances based on benzodiazepines, in particular triazolobenzodiazepines, for the treatment of anxiety states and disorders, as well as determining the presence of other biological activities of these compounds.

Aim. To study the antidepressant activity of new derivatives of 1,2,3-triazolo-1,4-benzodiazepines in the Porsolt forced swim and tail suspension tests.

Materials and methods. The antidepressant activity of new 1,2,3-triazolo-1,4-benzodiazepine derivatives under the code MA-252, MA-253, MA-254, MA-255 and MA-261 was studied in the Porsolt forced swim and tail suspension tests. The following behavioral reactions, such as the latent period of the first immobility (more than 5 seconds), the total duration of immobility (staying in a stationary state), the number of immobile episodes, were recorded.

Results and discussion. During the study, a decrease in the total duration of immobility, the main indicator of “despair” of animals, and an increase in the latent period of the first immobility were monitored. It may indicate the manifestation of antidepressant properties of new 1,2,3-triazolo-1,4-benzodiazepine derivatives. The indicator of the antidepressant activity in groups of animals administered MA-253, MA-254 and MA-255 derivatives in all doses was higher among the groups studied. The depression index was the lowest when MA-253 and MA-254 derivatives were used in the dose of 1 mg/kg, and was not statistically significantly different from that in the group receiving imipramine in the dose of 25 mg/kg. According to the results of the tail suspension test, 1,2,3-triazolo-1,4-benzodiazepine derivatives MA-253, MA-254 and MA-255 showed a significant decrease in the total duration of immobilization by 69.4 %, 47.1 % and 33.1 %, respectively, in relation to the control group (p<0.05), as well as an increase in the latent period of the onset of the first immobility episode by several times.

Conclusions. A decrease in the duration of immobility in mice injected with 1,2,3-triazolo-1,4-benzodiazepine derivatives gives grounds to draw a conclusion that animals develop a state of “behavioral despair” and exhibit antidepressant properties.

Author Biographies

I. V. Botsula, National University of Pharmacy of the Ministry of Health of Ukraine, Kharkiv

Postgraduate student of the Department of Clinical Pharmacology and Clinical Pharmacy

I. V. Kireyev, National University of Pharmacy of the Ministry of Health of Ukraine, Kharkiv

Doctor of Medicine (Dr. habil.), professor, head of the Department of Clinical Pharmacology and Clinical Pharmacy

M. O. Mazur, State Scientific Institution “Institute for Single Crystals” of National Academy of Sciences of Ukraine

Engineer of the Department of Organic and Bioorganic Chemistry

V. A. Chebanov, State Scientific Institution “Institute for Single Crystals” of National Academy of Sciences of Ukraine

Doctor of Chemistry (Dr. habil.), professor, Corresponding Member of NAS of Ukraine, First Deputy General  Director for Research


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