Ibudilast
Synonym(s):2-Methyl-1-[2-(1-methylethyl)pyrazolo[1,5-a]pyridin-3-yl] 1-propanone;3-Isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine;KC-404
- CAS NO.:50847-11-5
- Empirical Formula: C14H18N2O
- Molecular Weight: 230.31
- MDL number: MFCD00864808
- EINECS: 637-150-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-19 15:53:33
What is Ibudilast?
Description
Ibudilast is a leukomene antagonist and phosphodiesterase inhibitor useful in the treatment of bronchial asthma. It antagonizes leukotriene D4-induced contractions of guinea pig ileum and tracheal muscles in virro, and inhibits eosinophil accumulation in vivo.
Chemical properties
White Solid
Originator
Kyorin (Japan)
The Uses of Ibudilast
Inhibitors of phosphodiesterase 4 (PDE4), which catalyzes the hydrolysis of cAMP, have potential applications in a variety of diseases, including asthma. Ibudilast is an inhibitor of PDE4 (IC50 = 54-239 nM) that, at higher doses, also inhibits PDE3 and PDE5 (IC50 = 1,600-3,510 nM). Through this action, it suppresses the elaboration of mediators involved in asthma and inflammation.[Cayman Chemical]
The Uses of Ibudilast
A leukotriene D4 antagonist. Used as an antiallergic, antiasthmatic, and vasodilator (cerebral)
The Uses of Ibudilast
a phosphodiesterase inhibitor with anti-inflammatory activity
What are the applications of Application
Ibudilast is a nonselective phosphodiesterase inhibitor
Definition
ChEBI: Ibudilast is a pyrazolopyridine.
brand name
Ketas
Biological Activity
Phosphodiesterase inhibitor (IC 50 values are 53, 35, 48, 12 and 10 mM for PDE Ia, II, III, IV and V respectively). Inhibits platelet aggregation and is an orally-active cerebral vasodilator, bronchodilator and antiallergic agent.
Biochem/physiol Actions
Phosphodiesterase IV (PDE4) inhbitor. Inhibits platelet aggregation. Anti-asthma drug.
in vitro
ibudilast could potently inhibit purified human pde4a, 4b, 4c and 4d with ic50 values at 54, 65, 239 and 166 nm, respectively. ibudilast was also able to effectively block lps-induced tumor necrosis factor and n-formyl-metleu-phe-induced leukotriene b4 biosynthesis in human whole blood [1].
in vivo
rats received a daily oral administration of 10, 30 or 60 mg/kg ibudilast. results showed that in the vehicle-treated animals, white matter lesions and microglial activation occurred in the optic tract, internal capsule and corpus callosum. a low dose of ibudilast failed to suppress the white matter lesions and microglial activation, whereas a dose of either 30 or 60 mg/kg ibudilast ameliorated these lesions [2].
storage
Store at RT
References
1) Kishi et al. (2001), Ibudilast: a non-selective PDE inhibitor with multiple actions on blood cells and the vascular wall; Cardiovasc. Drug Rev., 19 215 2) Yamazaki et al. (2011), Ibudilast. A mixed PDE3/4 inhibitor, causes a selective and nitric oxide/cGMP-independent relaxation of the intracranial vertebrobasilar artery; Eur. J. Pharmacol., 650 605 3) Cueva Vargas et al. (2016), The glial cell modulator ibudilast attenuates neuroinflammation and enhances retinal ganglion cell viability in glaucoma through protein kinase A signaling.; Neurobiol. Dis., 93 156 4) Mizuno et al. (2004), Neuroprotective role of phosphodiesterase inhibitor ibudilast on neuronal cell death induced by activated microglia; Neuropharmacology, 46 404 5) Ledeboer et al. (2007), Ibudilast (AV-411). A class therapeutic candidate for neuropathic pain and opioid withdrawal syndromes; Expert. Opin. Investig. Drugs, 16 935
Properties of Ibudilast
Melting point: | 53-54°C |
Boiling point: | 175°C/7.5mmHg(lit.) |
Density | 1.09 |
refractive index | 1.5500 (estimate) |
storage temp. | Sealed in dry,2-8°C |
solubility | DMSO: 28 mg/mL, soluble |
form | solid |
pka | 1.22±0.30(Predicted) |
color | white |
Merck | 14,4879 |
Stability: | Stable for 1 year from date of purchase as supplied. Solutions in DMSO or ethanol may be stored at -20°C for up to 3 months. |
CAS DataBase Reference | 50847-11-5(CAS DataBase Reference) |
Safety information for Ibudilast
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Ibudilast
InChIKey | ZJVFLBOZORBYFE-UHFFFAOYSA-N |
Ibudilast manufacturer
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