Kenjiro Matsumoto

Studies on the Synthesis and Opioid Agonistic Activities of Mitragynine-Related Indole Alkaloids:  Discovery of Opioid Agonists Structurally Different from Other Opioid Ligands

Hiromitsu Takayama, Hayato Ishikawa, Mika Kurihara et al. · Journal of Medicinal Chemistry · 2002 · 264 citations · Full text

Medicinal Chemistry, Mitragyna Speciosa, Pharmacological Study +13

Antinociceptive effect of 7-hydroxymitragynine in mice: Discovery of an orally active opioid analgesic from the Thai medicinal herb Mitragyna speciosa

Kenjiro Matsumoto, Syunji Horie, Hayato Ishikawa et al. · Life Sciences · 2004 · 224 citations

Medicinal Chemistry, Pharmacological Study, Pain Medicine +10

Antinociception, tolerance and withdrawal symptoms induced by 7-hydroxymitragynine, an alkaloid from the Thai medicinal herb Mitragyna speciosa

Kenjiro Matsumoto, Syunji Horie, Hiromitsu Takayama et al. · Life Sciences · 2005 · 112 citations

Medicinal Chemistry, Pharmacological Study, Medicine +8

Involvement of μ-opioid receptors in antinociception and inhibition of gastrointestinal transit induced by 7-hydroxymitragynine, isolated from Thai herbal medicine Mitragyna speciosa

Kenjiro Matsumoto, Yoshio Hatori, Toshihiko Murayama et al. · European Journal of Pharmacology · 2006 · 95 citations

Pain Disorders, Health Sciences, Pain Medicine +11

Inhibitory effect of mitragynine, an analgesic alkaloid from Thai herbal medicine, on neurogenic contraction of the vas deferens

Kenjiro Matsumoto, Leonardo T. Yamamoto, Kazuo Watanabe et al. · Life Sciences · 2005 · 88 citations

Health Sciences, Pain Medicine, Medicine +11