Head of the department of clinical pharmacology with the course of the institute of postgraduate education. Since 2013, he has been deputy chairman of the ethics Council of the Ministry of health of the Russian Federation. In 2016, he was elected a corresponding member of the Russian Academy of Sciences. Khokhlov's research interests are related to pharmacoepidemiology, pharmacoeconomics, pharmacokinetics, pharmacodynamics and pharmacogenetics. Author of more than 400 scientific works indexed in RINC, Scopus, WoS, 9 monographs, 6 patents. He is a co-author of a textbook of clinical pharmacology and pharmacotherapy for students of the faculty of pharmacy, the National guide to clinical pharmacology, the Federal guide on the use of drugs, the number of citations in the RINC – more than 3300. He prepared 26 candidates and 4 doctors of Sciences. Author of 30 textbooks. He is a member of the profile Commission of the Ministry of health of the Russian Federation in the specialty clinical pharmacology (deputy chairman), the Central Council of the Russian scientific medical society of therapists, educational and methodical Commission on clinical pharmacology of the Federal educational and methodical Association, member of the Board of the Association of modern pharmaceutical industry and innovative medicine of the Yaroslavl region. Expert Of The Russian Academy Of Sciences.