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YM-348 structure.png
CAS Number
PubChem CID
CompTox Dashboard (EPA)
Chemical and physical data
Molar mass243.310 g·mol−1
3D model (JSmol)

YM-348 is an indazole derivative drug which acts as a potent and selective 5-HT2C receptor agonist, with an EC50 of 1nM and 15x selectivity over 5-HT2A, although it only has moderate selectivity of 3x over the closely related 5-HT2B receptor.[1][2] It has thermogenic and anorectic effects in animal studies, making it potentially useful for the treatment of obesity.[3][4][5][6]

See also[edit]


  1. ^ Kimura, Y; Hatanaka, K; Naitou, Y; Maeno, K; Shimada, I; Koakutsu, A; Wanibuchi, F; Yamaguchi, T (2004). "Pharmacological profile of YM348, a novel, potent and orally active 5-HT2C receptor agonist". European Journal of Pharmacology. 483 (1): 37–43. doi:10.1016/j.ejphar.2003.10.004. PMID 14709324.
  2. ^ Shimada, I; Maeno, K; Kazuta, K; Kubota, H; Kimizuka, T; Kimura, Y; Hatanaka, K; Naitou, Y; et al. (2008). "Synthesis and structure-activity relationships of a series of substituted 2-(1H-furo2,3-gindazol-1-yl)ethylamine derivatives as 5-HT2C receptor agonists". Bioorganic & Medicinal Chemistry. 16 (4): 1966–82. doi:10.1016/j.bmc.2007.10.100. PMID 18035544.
  3. ^ Hayashi, A; Sonoda, R; Kimura, Y; Takasu, T; Suzuki, M; Sasamata, M; Miyata, K (2004). "Antiobesity effect of YM348, a novel 5-HT2C receptor agonist, in Zucker rats". Brain Research. 1011 (2): 221–7. doi:10.1016/j.brainres.2004.03.032. PMID 15157808.
  4. ^ Smith, BM; Thomsen, WJ; Grottick, AJ (2006). "The potential use of selective 5-HT2C agonists in treating obesity". Expert Opinion on Investigational Drugs. 15 (3): 257–66. doi:10.1517/13543784.15.3.257. PMID 16503763.
  5. ^ Nilsson, BM (2006). "5-Hydroxytryptamine 2C (5-HT2C) receptor agonists as potential antiobesity agents". Journal of Medicinal Chemistry. 49 (14): 4023–34. doi:10.1021/jm058240i. PMID 16821762.
  6. ^ Wacker, DA; Miller, KJ (2008). "Agonists of the serotonin 5-HT2C receptor: preclinical and clinical progression in multiple diseases". Current Opinion in Drug Discovery & Development. 11 (4): 438–45. PMID 18600561.