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(Synonyms: TAK-935; OV935) 目录号 : GC63199

A cholesterol 24-hydroxylase/CYP46A1 inhibitor

Soticlestat Chemical Structure

Cas No.:1429505-03-2

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10mM (in 1mL DMSO)
¥1,584.00
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5 mg
¥1,440.00
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10 mg
¥2,340.00
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25 mg
¥4,500.00
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50 mg
¥6,750.00
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100 mg
¥10,125.00
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产品描述

Soticlestat is an inhibitor of cholesterol 24-hydroxylase/CYP46A1 (IC50 = 0.0074 ?M).1 It is selective for cholesterol 24-hydroxylase/CYP46A1 over the cytochrome P450 (CYP) isoforms CYP2C8, -2C9, -2D6, -3A4, -1A2, and 2C19 (IC50s = 62, 19, >100, 66, >100, and 14 ?M, respectively). Soticlestat (0.02% in the diet) reduces seizure frequency and severity and improves survival in a model of Dravet syndrome induced by hyperthermia in mice with heterozygous deletion of Scn1a (Scn1a+/-), the gene encoding voltage-gated sodium channel 1.1 (Nav1.1).2

1.Koike, T., Yoshikawa, M., Ando, H.K., et al.Discovery of soticlestat, a potent and selective inhibitor for cholesterol 24-hydroxylase (CH24H)J. Med. Chem.64(16)12228-12244(2021) 2.Hawkins, N.A., Jurado, M., Thaxton, T.T., et al.Soticlestat, a novel cholesterol 24-hydroxylase inhibitor, reduces seizures and premature death in Dravet syndrome miceEpilepsia62(11)2845-2857(2021)

Chemical Properties

Cas No. 1429505-03-2 SDF
别名 TAK-935; OV935
分子式 C23H23N3O2 分子量 373.45
溶解度 DMSO : 100 mg/mL (267.77 mM; Need ultrasonic) 储存条件 Store at -20°C
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1 mM 2.6777 mL 13.3887 mL 26.7773 mL
5 mM 0.5355 mL 2.6777 mL 5.3555 mL
10 mM 0.2678 mL 1.3389 mL 2.6777 mL
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Research Update

A phase 2, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of Soticlestat as adjunctive therapy in pediatric patients with Dravet syndrome or Lennox-Gastaut syndrome (ELEKTRA)

Epilepsia 2022 Oct;63(10):2671-2683.PMID:35841234DOI:10.1111/epi.17367.

Objective: Dravet syndrome (DS) and Lennox-Gastaut syndrome (LGS) are rare treatment-resistant childhood epilepsies classed as developmental and epileptic encephalopathies. ELEKTRA investigated the efficacy and safety of Soticlestat (TAK-935) as adjunctive therapy in children with DS or LGS (NCT03650452). Methods: ELEKTRA was a phase 2, randomized, double-blind, placebo-controlled study of Soticlestat (≤300 mg twice daily, weight-adjusted) in children (aged 2-17 years) with DS, demonstrating three or more convulsive seizures/month, or with LGS, demonstrating four or more drop seizures/month at baseline. The 20-week treatment period comprised an 8-week dose-optimization period and a 12-week maintenance period. Efficacy endpoints included change from baseline in seizure frequency versus placebo. Safety assessments included incidence of treatment-emergent adverse events (TEAEs). Results: ELEKTRA enrolled 141 participants; 126 (89%) completed the study. The modified intent-to-treat population included 139 participants who received one or more doses of study drug and had one or more efficacy assessments (DS, n = 51; LGS, n = 88). ELEKTRA achieved its primary endpoint: the combined soticlestat-treated population demonstrated a placebo-adjusted median reduction in seizure frequency of 30.21% during the maintenance period (p = .0008, n = 139). During this period, placebo-adjusted median reductions in convulsive and drop seizure frequencies of 50.00% (p = .0002; patients with DS) and 17.08% (p = .1160; patients with LGS), respectively, were observed. TEAE incidences were similar between the Soticlestat (80.3%) and placebo (74.3%) groups and were mostly mild or moderate in severity. Serious TEAEs were reported by 15.5% and 18.6% of participants receiving Soticlestat and placebo, respectively. TEAEs reported in soticlestat-treated patients with ≥5% difference from placebo were lethargy and constipation. No deaths were reported. Significance: Soticlestat treatment resulted in statistically significant, clinically meaningful reductions from baseline in median seizure frequency (combined patient population) and in convulsive seizure frequency (DS cohort). Drop seizure frequency showed a nonstatistically significant numerical reduction in children with LGS. Soticlestat had a safety profile consistent with previous studies.

Anticonvulsive properties of Soticlestat, a novel cholesterol 24-hydroxylase inhibitor

Epilepsia 2022 Jun;63(6):1580-1590.PMID:35316533DOI:10.1111/epi.17232.

Objective: The formation of 24S-hydroxycholesterol is a brain-specific mechanism of cholesterol catabolism catalyzed by cholesterol 24-hydroxylase (CYP46A1, also known as CH24H). CH24H has been implicated in various biological mechanisms, whereas pharmacological lowering of 24S-hydroxycholesterol has not been fully studied. Soticlestat is a novel small-molecule inhibitor of CH24H. Its therapeutic potential was previously identified in a mouse model with an epileptic phenotype. In the present study, the anticonvulsive property of Soticlestat was characterized in rodent models of epilepsy that have long been used to identify antiseizure medications. Methods: The anticonvulsive property of Soticlestat was investigated in maximal electroshock seizures (MES), pentylenetetrazol (PTZ) acute seizures, 6-Hz psychomotor seizures, audiogenic seizures, amygdala kindling, PTZ kindling, and corneal kindling models. Soticlestat was characterized in a PTZ kindling model under steady-state pharmacokinetics to relate its anticonvulsive effects to pharmacodynamics. Results: Among models of acutely evoked seizures, whereas anticonvulsive effects of Soticlestat were identified in Frings mice, a genetic model of audiogenic seizures, it was found ineffective in MES, acute PTZ seizures, and 6-Hz seizures. The protective effects of Soticlestat against audiogenic seizures increased with repetitive dosing. Soticlestat was also tested in models of progressive seizure severity. Soticlestat treatment delayed kindling acquisition, whereas fully kindled animals were not protected. Importantly, Soticlestat suppressed the progression of seizure severity in correlation with 24S-hydroxycholesterol lowering in the brain, suggesting that 24S-hydroxycholesterol can be aggressively reduced to produce more potent effects on seizure development in kindling acquisition. Significance: The data collectively suggest that Soticlestat can ameliorate seizure symptoms through a mechanism distinct from conventional antiseizure medications. With its novel mechanism of action, Soticlestat could constitute a novel class of antiseizure medications for treatment of intractable epilepsy disorders such as developmental and epileptic encephalopathy.

Soticlestat, a novel cholesterol 24-hydroxylase inhibitor shows a therapeutic potential for neural hyperexcitation in mice

Sci Rep 2020 Oct 13;10(1):17081.PMID:33051477DOI:10.1038/s41598-020-74036-6.

Cholesterol 24-hydroxylase (CH24H) is a brain-specific enzyme that converts cholesterol into 24S-hydroxycholesterol, the primary mechanism of cholesterol catabolism in the brain. The therapeutic potential of CH24H activation has been extensively investigated, whereas the effects of CH24H inhibition remain poorly characterized. In this study, the therapeutic potential of CH24H inhibition was investigated using a newly identified small molecule, Soticlestat (TAK-935/OV935). The biodistribution and target engagement of Soticlestat was assessed in mice. CH24H-knockout mice showed a substantially lower level of Soticlestat distribution in the brain than wild-type controls. Furthermore, brain-slice autoradiography studies demonstrated the absence of [3H]Soticlestat staining in CH24H-knockout mice compared with wild-type mice, indicating a specificity of Soticlestat binding to CH24H. The pharmacodynamic effects of Soticlestat were characterized in a transgenic mouse model carrying mutated human amyloid precursor protein and presenilin 1 (APP/PS1-Tg). These mice, with excitatory/inhibitory imbalance and short life-span, yielded a remarkable survival benefit when bred with CH24H-knockout animals. Soticlestat lowered brain 24S-hydroxycholesterol in a dose-dependent manner and substantially reduced premature deaths of APP/PS1-Tg mice at a dose lowering brain 24S-hydroxycholesterol by approximately 50%. Furthermore, microdialysis experiments showed that Soticlestat can suppress potassium-evoked extracellular glutamate elevations in the hippocampus. Taken together, these data suggest that soticlestat-mediated inhibition of CH24H may have therapeutic potential for diseases associated with neural hyperexcitation.

Soticlestat, a novel cholesterol 24-hydroxylase inhibitor, reduces seizures and premature death in Dravet syndrome mice

Epilepsia 2021 Nov;62(11):2845-2857.PMID:34510432DOI:10.1111/epi.17062.

Objective: Dravet syndrome is a severe developmental and epileptic encephalopathy (DEE) most often caused by de novo pathogenic variants in SCN1A. Individuals with Dravet syndrome rarely achieve seizure control and have significantly elevated risk for sudden unexplained death in epilepsy (SUDEP). Heterozygous deletion of Scn1a in mice (Scn1a+/- ) recapitulates several core phenotypes, including temperature-dependent and spontaneous seizures, SUDEP, and behavioral abnormalities. Furthermore, Scn1a+/- mice exhibit a similar clinical response to standard anticonvulsants. Cholesterol 24-hydroxlase (CH24H) is a brain-specific enzyme responsible for cholesterol catabolism. Recent research has indicated the therapeutic potential of CH24H inhibition for diseases associated with neural excitation, including seizures. Methods: In this study, the novel compound Soticlestat, a CH24H inhibitor, was administered to Scn1a+/- mice to investigate its ability to improve Dravet-like phenotypes in this preclinical model. Results: Soticlestat treatment reduced seizure burden, protected against hyperthermia-induced seizures, and completely prevented SUDEP in Scn1a+/- mice. Video-electroencephalography (EEG) analysis confirmed the ability of Soticlestat to reduce occurrence of electroclinical seizures. Significance: This study demonstrates that soticlestat-mediated inhibition of CH24H provides therapeutic benefit for the treatment of Dravet syndrome in mice and has the potential for treatment of DEEs.

Discovery of Soticlestat, a Potent and Selective Inhibitor for Cholesterol 24-Hydroxylase (CH24H)

J Med Chem 2021 Aug 26;64(16):12228-12244.PMID:34387987DOI:10.1021/acs.jmedchem.1c00864.

Cholesterol 24-hydroxylase (CH24H, CYP46A1), a brain-specific cytochrome P450 (CYP) family enzyme, plays a role in the homeostasis of brain cholesterol by converting cholesterol to 24S-hydroxycholesterol (24HC). Despite a wide range of potential of CH24H as a drug target, no potent and selective inhibitors have been identified. Here, we report on the structure-based drug design (SBDD) of novel 4-arylpyridine derivatives based on the X-ray co-crystal structure of hit derivative 1b. Optimization of 4-arylpyridine derivatives led us to identify 3v ((4-benzyl-4-hydroxypiperidin-1-yl)(2,4'-bipyridin-3-yl)methanone, IC50 = 7.4 nM) as a highly potent, selective, and brain-penetrant CH24H inhibitor. Following oral administration to mice, 3v resulted in a dose-dependent reduction of 24HC levels in the brain (1, 3, and 10 mg/kg). Compound 3v (Soticlestat, also known as TAK-935) is currently under clinical investigation for the treatment of Dravet syndrome and Lennox-Gastaut syndrome as a novel drug class for epilepsies.