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Clinical data
Trade namesSupect
ATC code
  • None
  • 4-Methyl-N-[3-(4-methylimidazol-1-yl)-5-(trifluoromethyl)phenyl]-3-[(4-pyrazin-2-ylpyrimidin-2-yl)amino]benzamide
CAS Number
PubChem CID
CompTox Dashboard (EPA)
Chemical and physical data
Molar mass530.515 g·mol−1
3D model (JSmol)
  • Cc1cn(-c2cc(NC(=O)c3ccc(C)c(Nc4nccc(-c5cnccn5)n4)c3)cc(C(F)(F)F)c2)cn1
  • InChI=1S/C27H21F3N8O/c1-16-3-4-18(9-23(16)37-26-33-6-5-22(36-26)24-13-31-7-8-32-24)25(39)35-20-10-19(27(28,29)30)11-21(12-20)38-14-17(2)34-15-38/h3-15H,1-2H3,(H,35,39)(H,33,36,37)

Radotinib (INN; trade name Supect), and sometimes referred to by its investigational name IY5511, is a drug for the treatment of different types of cancer, most notably Philadelphia chromosome-positive (Ph+) chronic myeloid leukemia (CML)[1] with resistance or intolerance of other Bcr-Abl tyrosine-kinase inhibitors, such as patients resistant or intolerant to imatinib.

Radotinib is being developed by Ilyang Pharmaceutical Co., Ltd of South Korea[2] and is co-marketed by Daewoong Pharmaceutical Co. Ltd, in South Korea.[3] Radotinib completed a multi-national Phase II clinical trial study in 2012[4] and in August 2011, Ilyang initiated a Phase III, multinational, multi-center, open-label, randomized study for first-line indication.[5] Its mechanism of action involves inhibition of the Bcr-Abl tyrosine kinase and of platelet-derived growth factor receptor (PDGFR).[6]


  1. ^ Joanne Bronson; Amelia Black; T. G. Murali Dhar; Bruce A. Ellsworth; J. Robert Merritt (2013). "To Market, To Market - 2012". Radotinib (Anticancer). Annual Reports in Medicinal Chemistry. Vol. 48. pp. 523–524. doi:10.1016/b978-0-12-417150-3.00028-4. ISBN 9780124171503.
  2. ^ "Il-Yang Pharmaceutical".
  3. ^ "Archived copy". www.dailypharm.com. Archived from the original on 2016-03-03.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ^ Kim SH, Menon H, Jootar S, Saikia T, Kwak JY, Sohn SK, Park JS, Jeong SH, Kim HJ, Kim YK, Oh SJ, Kim H, Zang DY, Chung JS, Shin HJ, Do YR, Kim JA, Kim DY, Choi CW, Park S, Park HL, Lee GY, Cho DJ, Shin JS, Kim DW (2014). "Efficacy and safety of radotinib in chronic phase chronic myeloid leukemia patients with resistance or intolerance to BCR-ABL1 tyrosine kinase inhibitors". Haematologica. 99 (7): 1191–6. doi:10.3324/haematol.2013.096776. PMC 4077080. PMID 24705186.
  5. ^ "A Phase 3 Multinational, Multi-center, Open-Label, Randomized Study of the Efficacy of Radotinib Versus Imatinib in Newly Diagnosed Ph+ CML Patients in Early Chronic Phase". 22 February 2016.
  6. ^ "Radotinib hydrochloride". NCI Drug Dictionary. National Cancer Institute. 2011-02-02.