Article History
Received: 4 October 2021
Revised: 13 December 2021
Accepted: 23 December 2021
First Online: 7 January 2022
Conflict of interest
: Dr. Y. Hashimoto and Dr. T. Suzuki have no conflict of interest. Dr. K. Hashimoto is the inventor of filed patent applications on “The use of <i>R</i>-Ketamine in the treatment of psychiatric diseases”, “(<i>S</i>)-norketamine and salt thereof as pharmaceutical”, “<i>R</i>-Ketamine and derivative thereof as a prophylactic or therapeutic agent for neurodegeneration disease or recognition function disorder”, “Preventive or therapeutic agent and pharmaceutical composition for inflammatory diseases or bone diseases”, and “<i>R</i>-Ketamine and its derivatives as a preventive or therapeutic agent for a neurodevelopmental disorder” by the Chiba University. Dr. K. Hashimoto has also received speakers’ honoraria, consultant fees, or research support from Abbott, Meiji Seika Pharma, Dainippon-Sumitomo, Taisho, Otsuka, Murakami Farm, and Perception Neuroscience.
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