Nalfurafine
A kappa-opioid receptor agonist approved in Japan to treat severe chronic itch (pruritus) in patients on hemodialysis and those with liver disease. Unlike mu-opioid agonists, it targets kappa receptors to relieve itch without the risk of euphoria or dependence.
分子量
476.6000 g/mol
LogP
1.00
TPSA
86.40 Ų
リピンスキーの五則
適合
治療領域
作用機序
Binds to and activates its target receptor, mimicking the action of the endogenous ligand to produce a specific physiological response.
Pharmacokinetics (PK)
Pharmacodynamics (PD)
Binds to and activates its target receptor, mimicking the action of the endogenous ligand to produce a specific physiological response.
2D構造
Cite this structure
Embed this structure
SMILES
CN(C(=O)/C=C/c1ccoc1)[C@@H]1CC[C@@]2(O)[C@H]3Cc4ccc(O)c5c4[C@@]2(CCN3CC2CC2)[C@H]1O5
InChI
InChI=1S/C28H32N2O5/c1-29(23(32)7-4-18-9-13-34-16-18)20-8-10-28(33)22-14-19-5-6-21(31)25-24(19)27(28,26(20)35-25)11-12-30(22)15-17-2-3-17/h4-7,9,13,16-17,20,22,26,31,33H,2-3,8,10-12,14-15H2,1H3/b7-4+/t20-,22-,26+,27+,28-/m1/s1
Molecular Formula
C28H32N2O5
HBD / HBA
2 / 6
回転可能結合数
5
重原子数
35
No targets recorded
Target interaction data is not yet available for this drug.
No interactions recorded
Drug interaction data is not yet available for this compound.
No side effects recorded
Side effect data is not yet available for this drug.
よくある質問
A kappa-opioid receptor agonist approved in Japan to treat severe chronic itch (pruritus) in patients on hemodialysis and those with liver disease. Unlike mu-opioid agonists, it targets kappa receptors to relieve itch without the risk of euphoria or dependence.
Binds to and activates its target receptor, mimicking the action of the endogenous ligand to produce a specific physiological response.
Yes, Nalfurafine is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.
References & Data Sources
- ChEMBL — European Bioinformatics Institute (EBI). CHEMBL267495. Open-access bioactivity database.
- PubChem — National Center for Biotechnology Information (NCBI). CID 6445230. Chemical information database.
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-28.
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<div data-drugfyi="drug" data-slug="nalfurafine"></div>
Embed via iframe for maximum compatibility.
<iframe src="https://drugfyi.com/iframe/drug/nalfurafine/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://drugfyi.com/drug/nalfurafine/
Add a dynamic SVG badge to your README or docs.
[](https://drugfyi.com/drug/nalfurafine/)
Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<drugfyi-drug slug="nalfurafine"></drugfyi-drug>