After graduation Dovzhenko worked as a doctor in various places, where he began to implement modern psycho-therapeutic methods.
The approbation of Dovzhenko's approach, its theoretical and scientific foundation was held in during 1979-1980s in the V. P. Protopopov Research Institute of Clinical and Experimental Neurology and Psychiatry in Kharkiv.
Professor Irina Pyatnitskaya, who was[1] a prominent scientist, clinician and a co-founder of modern Russian narcology, has highly assessed doctor Dovzhenko's method of therapy: "The head of the Republican Narcology Center of the Soviet Ukraine's Ministry of Healthcare A. R. Dovzhenko has achieved exceptional results.
The method, that was elaborated and used by A. R. Dovzhenko, has an incredible effect: from 82% to 93% of his patients give up drinking and become full-fledged human beings.
"In 1985 in Feodosia's Stamboli Palace building Dovzhenko opened the Republican Narcological Psychotherapy Center under the Ministry of Healthcare of Soviet Ukraine.