apremilast   Click here for help

GtoPdb Ligand ID: 7372

Synonyms: CC-10004 | Otezla®
Approved drug PDB Ligand Immunopharmacology Ligand
apremilast is an approved drug (FDA (2014), EMA (2015))
Compound class: Synthetic organic
Comment: Apremilast is an oral small molecule phosphodiesterase 4 (PDE4) inhibitor [1-2] (additional comment in [4]). It is selective for PDE4 over other PDE isozymes, but non-selective over PDE4 isoforms [5].
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View more information in the IUPHAR Pharmacology Education Project: apremilast

2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 7
Hydrogen bond donors 1
Rotatable bonds 9
Topological polar surface area 127.46
Molecular weight 460.13
XLogP 2
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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Canonical SMILES CCOc1cc(ccc1OC)C(N1C(=O)c2c(C1=O)c(ccc2)NC(=O)C)CS(=O)(=O)C
Isomeric SMILES CCOc1cc(ccc1OC)[C@H](N1C(=O)c2c(C1=O)c(ccc2)NC(=O)C)CS(=O)(=O)C
InChI InChI=1S/C22H24N2O7S/c1-5-31-19-11-14(9-10-18(19)30-3)17(12-32(4,28)29)24-21(26)15-7-6-8-16(23-13(2)25)20(15)22(24)27/h6-11,17H,5,12H2,1-4H3,(H,23,25)/t17-/m1/s1
InChI Key IMOZEMNVLZVGJZ-QGZVFWFLSA-N
Bioactivity Comments
Apremilast inhibits a crude extract of human PDE4 with an IC50 of 74nM [2] and has broad spectrum activity across isoforms from all four PDE4 sub-families (IC50s 10-100nM) [5].
Selectivity at enzymes
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
phosphodiesterase 4A Primary target of this compound Hs Inhibitor Inhibition 7.8 pIC50 - 5
pIC50 7.8 (IC50 1.4x10-8 M) [5]
Description: Potency against recombinant human PDE4A1A isoform in a TR-FRET assay.
phosphodiesterase 4D Primary target of this compound Hs Inhibitor Inhibition 7.5 pIC50 - 5
pIC50 7.5 (IC50 3.3x10-8 M) [5]
Description: Potency against recombinant human PDE4D2 isoform in a TR-FRET assay.
phosphodiesterase 4B Primary target of this compound Hs Inhibitor Inhibition 7.4 – 7.6 pIC50 - 5
pIC50 7.4 – 7.6 (IC50 4.3x10-8 – 2.7x10-8 M) [5]
Description: Potency against recombinant human PDE4B1 and B2 isoforms in a TR-FRET assay.
phosphodiesterase 4C Primary target of this compound Hs Inhibitor Inhibition 6.9 pIC50 - 5
pIC50 6.9 (IC50 1.18x10-7 M) [5]
Description: Potency against recombinant human PDE4C1 isoform in a TR-FRET assay.