RS-127445

RS-127445
Clinical data
Other namesRS-127,445; MT500; MT-500
Identifiers
IUPAC name
  • 4-(4-fluoro-1-naphthyl)-6-isopropylpyrimidin-2-amine
CAS Number
PubChem CID
IUPHAR/BPS
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC17H16FN3
Molar mass281.334 g·mol−1
3D model (JSmol)
SMILES
  • Nc3nc(C(C)C)cc(n3)-c(cc2)c1ccccc1c2F
InChI
  • InChI=1S/C17H16FN3/c1-10(2)15-9-16(21-17(19)20-15)13-7-8-14(18)12-6-4-3-5-11(12)13/h3-10H,1-2H3,(H2,19,20,21)
  • Key:ZZZQXCUPAJFVBN-UHFFFAOYSA-N
  (verify)

RS-127445, also known as MT-500, is a drug which acts as a potent and selective antagonist at the serotonin 5-HT2B receptor, with around 1,000-fold selectivity over the closely related 5-HT2A and 5-HT2C receptors.[1] The role of the 5-HT2B receptor in the body is still poorly understood, and RS-127445 has been a useful tool in unravelling the function of the various systems in which this receptor is expressed.[2][3][4] The drug was under development for potential use as a pharmaceutical drug by Roche and reached phase 1 clinical trials but was discontinued for unknown reasons.[5][6]

References

  1. ↑ Bonhaus DW, Flippin LA, Greenhouse RJ, Jaime S, Rocha C, Dawson M, et al. (July 1999). "RS-127445: a selective, high affinity, orally bioavailable 5-HT2B receptor antagonist". British Journal of Pharmacology. 127 (5): 1075–82. doi:10.1038/sj.bjp.0702632. PMC 1566110. PMID 10455251.
  2. ↑ Launay JM, Hervé P, Peoc'h K, Tournois C, Callebert J, Nebigil CG, et al. (October 2002). "Function of the serotonin 5-hydroxytryptamine 2B receptor in pulmonary hypertension" (PDF). Nature Medicine. 8 (10): 1129–35. doi:10.1038/nm764. PMID 12244304. S2CID 20736218.
  3. ↑ Kelly CR, Sharif NA (June 2006). "Pharmacological evidence for a functional serotonin-2B receptor in a human uterine smooth muscle cell line". The Journal of Pharmacology and Experimental Therapeutics. 317 (3): 1254–61. doi:10.1124/jpet.105.100172. PMID 16517693. S2CID 6604193.
  4. ↑ Mbaki Y, Ramage AG (October 2008). "Investigation of the role of 5-HT2 receptor subtypes in the control of the bladder and the urethra in the anaesthetized female rat". British Journal of Pharmacology. 155 (3): 343–56. doi:10.1038/bjp.2008.273. PMC 2567885. PMID 18604238.
  5. ↑ "Delving into the Latest Updates on MT-500 with Synapse". Synapse. 21 November 2024. Retrieved 30 November 2024.
  6. ↑ Wang Q, Zhou Y, Huang J, Huang N (January 2021). "Structure, Function, and Pharmaceutical Ligands of 5-Hydroxytryptamine 2B Receptor". Pharmaceuticals (Basel). 14 (2): 76. doi:10.3390/ph14020076. PMC 7909583. PMID 33498477.
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