体外活性：帕洛诺司琼是一种高效、选择性的第二代 5-HT3 受体拮抗剂，其 5-HT3 受体结合亲和力比其他 5-HT3 受体拮抗剂高约 100 倍（pKi 10.5，而格拉司琼为 8.91） ，托烷司琼为 8.81，昂丹司琼为 8.39，多拉司琼为 7.6）。帕洛诺司琼还具有较长的血浆消除半衰期，约为 40 小时，明显长于同类药物（昂丹司琼，4 小时；托烷司琼，7.3 小时；多拉司琼，7.5 小时；雷尼司琼，8.9 小时）。激酶测定：帕洛诺司琼是一种高效、选择性的第二代 5-HT3 受体拮抗剂，其 5-HT3 受体结合亲和力比其他 5-HT3 受体拮抗剂高约 100 倍（pKi 10.5，而格拉司琼为 8.91，托烷司琼为 8.81，昂丹司琼为 8.39，多拉司琼为 7.6)。细胞测定：帕洛诺司琼是一种 5-HT3 拮抗剂，用于预防和治疗化疗引起的恶心和呕吐 (CINV)。 IC50 值： 目标：5-HT3 受体帕洛诺司琼是控制第一个化疗疗程后 24 小时以上出现的迟发性 CINV 恶心和呕吐最有效的 5-HT3 拮抗剂。

帕洛诺司琼是第二代、高选择性、强效的 5-HT3 受体拮抗剂，与该受体的结合亲和力比其他 5-HT3 受体拮抗剂高约 100 倍（pKi 10.5，而格拉司琼为 8.91） ，托烷司琼为 8.81，昂丹司琼为 8.39，多拉司琼为 7.6）。

帕洛诺司琼是一种 5-HT3 拮抗剂，用于治疗和预防化疗 (CINV) 引起的恶心和呕吐。 IC50 值：在 5-HT3 拮抗剂中，5-HT3 受体帕洛诺司琼在治疗迟发性 CINV 恶心和呕吐方面最成功，这种恶心和呕吐在化疗方案初始剂量后 24 小时内出现。

[1]. Ann Oncol . 2003 Oct;14(10):1570-7.

[2]. Br J Pharmacol . 1995 Feb;114(4):851-9.

C19H24N2O.HCL

332.87

332.17

135729-75-8

Palonosetron hydrochloride; 135729-62-3; Palonosetron; 135729-61-2

Solid

C1C[C@H]2CN(C(=O)C3=CC=CC(=C23)C1)[C@H]4CN5CCC4CC5.Cl

OLDRWYVIKMSFFB-NBLXOJGSSA-N

InChI=1S/C19H24N2O.ClH/c22-19-16-6-2-4-14-3-1-5-15(18(14)16)11-21(19)17-12-20-9-7-13(17)8-10-20;/h2,4,6,13,15,17H,1,3,5,7-12H2;1H/t15-,17-;/m0./s1

(3aR)-2-[(3R)-1-azabicyclo[2.2.2]octan-3-yl]-3a,4,5,6-tetrahydro-3H-benzo[de]isoquinolin-1-one;hydrochloride

(R,R)-RS 25259, RS-25233-197; RS25233-198; RS 25259 197; RS 25233-197; (R,R)-RS25233-197; RS-25233-198; RS 25233-198; RS-25259-197; (R,R)-Palonosetron hydrochloride; US brand name: Aloxi and Akynzeo

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

---

Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).

View More

Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin → 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO → 100 μLPEG300 → 200 μL castor oil → 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10： 10 : 80 (i.e. 100 μL Ethanol → 100 μL Cremophor → 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH → 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline)

---

Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).

View More

Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders

---

Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

---

请根据您的实验动物和给药方式选择适当的溶解配方/方案：
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。