Palovarotene

Palovarotene
Clinical data
Trade namesSohonos
Other namesR-667, RG-667
AHFS/Drugs.comMonograph
MedlinePlusa623038
License data
Pregnancy
category
  • AU: X (High risk)
Routes of
administration
By mouth
Drug classRetinoic acid receptor gamma agonist
ATC code
Legal status
Legal status
Identifiers
  • 4-[(E)-2-[5,5,8,8-tetramethyl-3-(1H-pyrazol-1-ylmethyl)-5,6,7,8-tetrahydronaphthalen-2-yl]ethenyl]benzoic acid
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC27H30N2O2
Molar mass414.549 g·mol−1
3D model (JSmol)
  • CC1(CCC(C2=C1C=C(C(=C2)/C=C/C3=CC=C(C=C3)C(=O)O)CN4C=CC=N4)(C)C)C
  • InChI=1S/C27H30N2O2/c1-26(2)12-13-27(3,4)24-17-22(18-29-15-5-14-28-29)21(16-23(24)26)11-8-19-6-9-20(10-7-19)25(30)31/h5-11,14-17H,12-13,18H2,1-4H3,(H,30,31)/b11-8+
  • Key:YTFHCXIPDIHOIA-DHZHZOJOSA-N

Palovarotene, sold under the brand name Sohonos, is a medication used for the treatment of heterotopic ossification and fibrodysplasia ossificans progressiva. It is a highly selective retinoic acid receptor gamma (RARγ) agonist. It is taken by mouth.

It was approved for medical use in Canada in June 2022, and in the United States in August 2023. The US Food and Drug Administration (FDA) considers it to be a first-in-class medication.