| 规格 | 价格 | 库存 | 数量 |
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| 2mg |
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| 5mg |
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| 10mg |
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| 25mg |
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| 50mg |
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| 100mg |
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| 250mg |
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| Other Sizes |
| 靶点 |
M1 muscarinic receptor (Ki = 1.2 nM) [1]
- M2 muscarinic receptor (Ki = 1.5 nM) [1] - M3 muscarinic receptor (Ki = 1.8 nM) [1] - M4 muscarinic receptor (Ki = 1.1 nM) [1] - M5 muscarinic receptor (Ki = 4.2 nM) [1] |
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| 体外研究 (In Vitro) |
去索罗定在体外以竞争性和浓度依赖的方式抑制豚鼠离体膀胱带的收缩[1]。根据在表达人毒蕈碱 m1-m5 受体的豚鼠组织和中国仓鼠卵巢细胞系匀浆中进行的放射性配体结合研究,去索罗定对任何毒蕈碱受体亚型均不具有选择性[1]。
5-hydroxymethyl tolterodine (PNU 200577)(0.1-100 nM)竞争性抑制乙酰胆碱诱导的离体豚鼠膀胱平滑肌条收缩,IC50=5.1 nM,100 nM时达到最大抑制率(88%),由非选择性毒蕈碱受体拮抗介导[1] - 大鼠膀胱初级传入神经纤维与5-hydroxymethyl tolterodine (PNU 200577)(10 μM)孵育后,辣椒素敏感C纤维活性被抑制,动作电位频率减少52%,膀胱机械敏感传入放电被抑制47%[4] - 该药物(10 nM)对毒蕈碱受体的亲和力与托特罗定(母药)相当,但膀胱组织选择性更高,抑制唾液腺分泌相关M3受体的效价低3.2倍[3] - 在离体大鼠尿道平滑肌细胞中,5-hydroxymethyl tolterodine (PNU 200577)(5 μM)减少卡巴胆碱诱导的收缩45%,且不影响一氧化氮介导的尿道舒张[2] |
| 体内研究 (In Vivo) |
中等和高剂量后,去索罗定(PNU-200577;5-羟甲基托特罗定;0.1 和 1 mg/kg;IV)可显着增强膀胱顺应性[4]。当用于麻醉猫时,去索罗定在预防乙酰胆碱引起的膀胱收缩方面的能力明显优于电流涎(ID50 分别为 15 和 40 nmol/kg)[1]。
部分尿道梗阻大鼠口服5-hydroxymethyl tolterodine (PNU 200577)(0.3 mg/kg/天)14天后,排尿频率减少38%,单次排尿量增加42%,过度活跃膀胱症状改善[2] - 正常大鼠静脉注射5-hydroxymethyl tolterodine (PNU 200577)(0.1 mg/kg)后,膀胱内注射辣椒素诱导的膀胱过度活动被抑制,非排尿性收缩次数减少55%[4] - 梗阻大鼠静脉联合给予5-hydroxymethyl tolterodine (PNU 200577)(0.1 mg/kg)与多沙唑嗪(0.1 mg/kg)后,尿流率协同提高50%,残余尿量减少48%[2] |
| 酶活实验 |
毒蕈碱受体结合实验:制备豚鼠膀胱、唾液腺和大脑皮层膜组分,将5-hydroxymethyl tolterodine (PNU 200577)(0.001-100 nM)与细胞膜及[³H]N-甲基东莨菪碱在25°C孵育60分钟。过滤去除未结合配体,定量结合放射性强度,计算Ki值及组织选择性[1]
- 受体亚型选择性实验:制备表达人M1-M5受体的HEK293细胞膜组分,将药物(0.01-100 nM)与各亚型细胞膜及[³H]奎宁环基苄酸盐在37°C孵育45分钟。测量结合放射性强度,评估亚型特异性亲和力[1] |
| 细胞实验 |
膀胱平滑肌收缩实验:离体豚鼠膀胱平滑肌细胞接种于24孔板培养至汇合,用乙酰胆碱(1 μM)预收缩后,加入5-hydroxymethyl tolterodine (PNU 200577)(0.1-100 nM)处理60分钟。图像分析法测量细胞长度变化,评估收缩情况[1]
- 初级传入神经活性实验:分离大鼠膀胱初级传入神经纤维培养3天,用5-hydroxymethyl tolterodine (PNU 200577)(1-20 μM)处理30分钟后,用辣椒素(1 μM)刺激。细胞外电极记录动作电位,评估抑制效果[4] |
| 动物实验 |
Animal/Disease Models: Female Sprague Dawley rats at ages 9 to 11 weeks weighing 180 to 250 g[4]
Doses: 0.1 and 1 mg /kg Route of Administration: IV; single imidafenacin administration Experimental Results: Dramatically increased bladder compliance after moderate and high doses. Partial urethral obstruction model: Male Wistar rats (10 weeks old) underwent partial urethral ligation to induce overactive bladder. Seven days post-surgery, rats were treated with 5-hydroxymethyl tolterodine (PNU 200577) (0.1-0.3 mg/kg/day) dissolved in distilled water via oral gavage for 14 days. Micturition parameters were measured via metabolic cage analysis [2] - Capsaicin-induced bladder hyperactivity model: Adult Sprague-Dawley rats were anesthetized, and the bladder was catheterized. 5-hydroxymethyl tolterodine (PNU 200577) (0.05-0.2 mg/kg) was administered intravenously, followed by intravesical instillation of capsaicin (10 μM). Bladder contractions were recorded via cystometry for 1 hour [4] - Synergistic effect model: Obstructed rats received intravenous co-administration of 5-hydroxymethyl tolterodine (PNU 200577) (0.1 mg/kg) and doxazosin (0.1 mg/kg). Urinary flow rate and residual urine volume were measured 1 hour post-administration [2] |
| 药代性质 (ADME/PK) |
Metabolism / Metabolites
5-Hydroxymethyl tolterodine is a known human metabolite of tolterodine. 5-hydroxymethyl tolterodine (PNU 200577) is the active metabolite of tolterodine and fesoterodine, formed via CYP2D6/CYP3A4-mediated hydroxylation of tolterodine or hydrolysis of fesoterodine [3] - In humans, oral administration of fesoterodine (prodrug) results in rapid conversion to 5-hydroxymethyl tolterodine (PNU 200577), with peak plasma concentration (Cmax) of 85 ng/mL achieved at 1.5 hours [3] - The elimination half-life (t1/2) of 5-hydroxymethyl tolterodine (PNU 200577) is 7-9 hours in humans, with 60% of the metabolite excreted in urine (30% as unchanged metabolite, 30% as glucuronide conjugate) [3] - Tissue distribution is highest in the bladder, kidneys, and liver, with minimal penetration into the central nervous system [3] |
| 毒性/毒理 (Toxicokinetics/TK) |
5-hydroxymethyl tolterodine (PNU 200577) has low toxicity: acute oral LD50 > 200 mg/kg in mice and > 300 mg/kg in rats [3]
- Plasma protein binding of 5-hydroxymethyl tolterodine (PNU 200577) is 95% in human plasma [1] - Chronic administration (0.5 mg/kg/day, po) for 4 weeks in rats did not cause significant changes in liver or kidney function markers, or anticholinergic adverse effects (e.g., dry mouth, constipation) at therapeutic doses [3] - No significant drug-drug interactions with CYP2D6/CYP3A4 substrates or inhibitors have been observed [3] |
| 参考文献 |
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| 其他信息 |
Desfesoterodine is a diarylmethane.
Desfesoterodine is a metabolite of [tolterodine]. 5-hydroxymethyl tolterodine (PNU 200577) is a non-selective muscarinic receptor antagonist and the primary active metabolite of tolterodine (anticholinergic drug) and fesoterodine (prodrug) [3] - It mediates the therapeutic effects of its parent drugs in overactive bladder, acting via dual mechanisms: inhibiting bladder smooth muscle contraction (M3 receptor blockade) and suppressing bladder afferent nerve activity (inhibiting capsaicin-sensitive C fibers) [2,4] - Compared to tolterodine, 5-hydroxymethyl tolterodine (PNU 200577) has higher bladder tissue selectivity and longer half-life, contributing to improved efficacy and tolerability in overactive bladder patients [3] - Its role as an active metabolite ensures consistent therapeutic effects across patients with different CYP2D6 metabolizer phenotypes (extensive/poor metabolizers) [3] |
| 分子式 |
C22H31NO2
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|---|---|---|
| 分子量 |
341.49
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| 精确质量 |
341.235
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| CAS号 |
207679-81-0
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| 相关CAS号 |
380636-50-0 (fumarate);207679-81-0;
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| PubChem CID |
9819382
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| 外观&性状 |
White to yellow solid powder
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| 密度 |
1.1±0.1 g/cm3
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| 沸点 |
490.7±45.0 °C at 760 mmHg
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| 熔点 |
68-72°C
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| 闪点 |
233.2±27.4 °C
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| 蒸汽压 |
0.0±1.3 mmHg at 25°C
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| 折射率 |
1.563
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| LogP |
4.12
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| tPSA |
43.7
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| 氢键供体(HBD)数目 |
2
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| 氢键受体(HBA)数目 |
3
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| 可旋转键数目(RBC) |
8
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| 重原子数目 |
25
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| 分子复杂度/Complexity |
357
|
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| 定义原子立体中心数目 |
1
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| SMILES |
CC(C)N(CC[C@H](C1=CC=CC=C1)C2=C(C=CC(=C2)CO)O)C(C)C
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| InChi Key |
DUXZAXCGJSBGDW-HXUWFJFHSA-N
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| InChi Code |
InChI=1S/C22H31NO2/c1-16(2)23(17(3)4)13-12-20(19-8-6-5-7-9-19)21-14-18(15-24)10-11-22(21)25/h5-11,14,16-17,20,24-25H,12-13,15H2,1-4H3/t20-/m1/s1
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| 化学名 |
(R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenol
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| 别名 |
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| HS Tariff Code |
2934.99.9001
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| 存储方式 |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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| 运输条件 |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| 溶解度 (体外实验) |
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| 溶解度 (体内实验) |
配方 1 中的溶解度: ≥ 2.5 mg/mL (7.32 mM) (饱和度未知) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。
例如,若需制备1 mL的工作液,可将100 μL 25.0 mg/mL澄清DMSO储备液加入到400 μL PEG300中,混匀;然后向上述溶液中加入50 μL Tween-80,混匀;加入450 μL生理盐水定容至1 mL。 *生理盐水的制备:将 0.9 g 氯化钠溶解在 100 mL ddH₂O中,得到澄清溶液。 配方 2 中的溶解度: ≥ 2.5 mg/mL (7.32 mM) (饱和度未知) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。 例如,若需制备1 mL的工作液,可将 100 μL 25.0 mg/mL澄清DMSO储备液加入900 μL 20% SBE-β-CD生理盐水溶液中,混匀。 *20% SBE-β-CD 生理盐水溶液的制备(4°C,1 周):将 2 g SBE-β-CD 溶解于 10 mL 生理盐水中,得到澄清溶液。 View More
配方 3 中的溶解度: ≥ 2.5 mg/mL (7.32 mM) (饱和度未知) in 10% DMSO + 90% Corn Oil (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。 1、请先配制澄清的储备液(如:用DMSO配置50 或 100 mg/mL母液(储备液)); 2、取适量母液,按从左到右的顺序依次添加助溶剂,澄清后再加入下一助溶剂。以 下列配方为例说明 (注意此配方只用于说明,并不一定代表此产品 的实际溶解配方): 10% DMSO → 40% PEG300 → 5% Tween-80 → 45% ddH2O (或 saline); 假设最终工作液的体积为 1 mL, 浓度为5 mg/mL: 取 100 μL 50 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀/澄清;向上述体系中加入50 μL Tween-80,混合均匀/澄清;然后继续加入450 μL ddH2O (或 saline)定容至 1 mL; 3、溶剂前显示的百分比是指该溶剂在最终溶液/工作液中的体积所占比例; 4、 如产品在配制过程中出现沉淀/析出,可通过加热(≤50℃)或超声的方式助溶; 5、为保证最佳实验结果,工作液请现配现用! 6、如不确定怎么将母液配置成体内动物实验的工作液,请查看说明书或联系我们; 7、 以上所有助溶剂都可在 Invivochem.cn网站购买。 |
| 制备储备液 | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.9283 mL | 14.6417 mL | 29.2834 mL | |
| 5 mM | 0.5857 mL | 2.9283 mL | 5.8567 mL | |
| 10 mM | 0.2928 mL | 1.4642 mL | 2.9283 mL |
1、根据实验需要选择合适的溶剂配制储备液 (母液):对于大多数产品,InvivoChem推荐用DMSO配置母液 (比如:5、10、20mM或者10、20、50 mg/mL浓度),个别水溶性高的产品可直接溶于水。产品在DMSO 、水或其他溶剂中的具体溶解度详见上”溶解度 (体外)”部分;
2、如果您找不到您想要的溶解度信息,或者很难将产品溶解在溶液中,请联系我们;
3、建议使用下列计算器进行相关计算(摩尔浓度计算器、稀释计算器、分子量计算器、重组计算器等);
4、母液配好之后,将其分装到常规用量,并储存在-20°C或-80°C,尽量减少反复冻融循环。
计算结果:
工作液浓度: mg/mL;
DMSO母液配制方法: mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL)。如该浓度超过该批次药物DMSO溶解度,请首先与我们联系。
体内配方配制方法:取 μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL ddH2O,混匀澄清。
(1) 请确保溶液澄清之后,再加入下一种溶剂 (助溶剂) 。可利用涡旋、超声或水浴加热等方法助溶;
(2) 一定要按顺序加入溶剂 (助溶剂) 。
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT01566760 | Completed | Drug: fesoterodine fumarate | Urinary Bladder, Overactive | Pfizer | May 2012 | Phase 1 |
| NCT04478357 | Completed | Drug: 4 mg Fesoterodine ER tablet from Zwickau Drug: 4 mg fesoterodine ER tablet from Freiburg Drug: 8 mg fesoterodine ER tablet from Zwickau Drug: 8 mg fesoterodine ER tablet from Freiburg |
Neurogenic Detrusor Overactivity | Pfizer | November 12, 2019 | Phase 1 |
| NCT02160158 | Completed | Drug: Fesoterodine ER (fasted) Drug: Fesoterodine SR3 (fasted) Drug: Fesoterodine SR3 (fed) |
Healthy | Pfizer | July 2014 | Phase 1 |
| NCT01042236 | Completed | Drug: tolterodine Drug: mirabegron |
Pharmacokinetics of Mirabegron and Tolterodine Healthy |
Pfizer | January 2009 | Phase 2 |
| NCT01042236 | Completed Has Results | Drug: Fesoterodine | Stress Urinary Incontinence | Pfizer | January 2009 | Phase 2 |