Article · Wikipedia archive · Last revised Jul 8, 2026

Peficitinib

Peficitinib is a pharmaceutical drug used for the treatment of rheumatoid arthritis. It belongs to the class of drugs known as Janus kinase inhibitors.

Last revised
Jul 8, 2026
Read time
≈ 1 min
Length
183 w
Citations
3
Source
Peficitinib
Clinical data
Trade namesSmyraf
Other namesASP015K; JNJ-54781532
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Identifiers
  • 4-[((1S,3R)-5-hydroxy-2-adamantyl)amino]-1H-pyrrolo[2,3-b]pyridine-5-carboxamide
CAS Number
PubChem CID
UNII
KEGG
Chemical and physical data
FormulaC18H22N4O2
Molar mass326.400 g·mol−1
3D model (JSmol)
  • NC(=O)c1cnc2[nH]ccc2c1NC1[C@H]2CC3C[C@@H]1CC(O)(C3)C2
  • InChI=1S/C18H22N4O2/c19-16(23)13-8-21-17-12(1-2-20-17)15(13)22-14-10-3-9-4-11(14)7-18(24,5-9)6-10/h1-2,8-11,14,24H,3-7H2,(H2,19,23)(H2,20,21,22)/t9?,10-,11+,1 checkY
  • Key:DREIJXJRTLTGJC-JQCLMNFQSA-N checkY

Peficitinib (brand name Smyraf) is a pharmaceutical drug used for the treatment of rheumatoid arthritis. It belongs to the class of drugs known as Janus kinase inhibitors (JAK inhibitors).12

Peficitinib was approved for use in Japan in 2019.3

References

References

  1. Kivitz AJ, Gutierrez-Ureña SR, Poiley J, Genovese MC, Kristy R, Shay K, et al. (April 2017). "Peficitinib, a JAK Inhibitor, in the Treatment of Moderate-to-Severe Rheumatoid Arthritis in Patients With an Inadequate Response to Methotrexate". Arthritis & Rheumatology. 69 (4): 709–719. doi:10.1002/art.39955. PMID 27748083.
  2. Genovese MC, Greenwald M, Codding C, Zubrzycka-Sienkiewicz A, Kivitz AJ, Wang A, et al. (May 2017). "Peficitinib, a JAK Inhibitor, in Combination With Limited Conventional Synthetic Disease-Modifying Antirheumatic Drugs in the Treatment of Moderate-to-Severe Rheumatoid Arthritis". Arthritis & Rheumatology. 69 (5): 932–942. doi:10.1002/art.40054. PMID 28118538.
  3. Markham A, Keam SJ (June 2019). "Peficitinib: First Global Approval". Drugs. 79 (8): 887–891. doi:10.1007/s40265-019-01131-y. PMID 31093950. S2CID 155093525.