产品描述: | Evofosfamide (TH-302) is a hypoxia-activated prodrug with IC50 of 10 μM and 1000 μM in hypoxia (N2) and normoxia (21% O2), respectively. |
靶点: |
Hypoxia-activated prodrug;Apoptosis; Others |
体内研究: |
Evofosfamide (TH-302) is a hypoxia-activated prodrug known to activate selectively under the hypoxic conditions commonly found in solid tumors. The mean values of normalized Ktrans decrease 69.2% for Evofosfamide (TH-302)-treated mice in Hs766t tumors, decrease 46.1% for Mia PaCa-2 tumors and increase 4.9% in SU.86.86 tumors. Both changes for Hs766t and Mia PaCa-2 treatment groups are statistically significant (P<0.01) when compare to their own control group. A significant reduction in the hypoxic fraction (HF) to 2.1%±4.7% is seen after 95% oxygen breathing (P<0.001), whereas 7% oxygen breathing significantly increase the HF to 29.5%±14.7% (P=0.029). Exposing rhabdomyosarcoma-bearing rats to increasing oxygen conditions abolish the effect of TH-302 and reduce the T4×SV from 20.4±3.5 to 15.3±2.5 days (P=0.007), whereas control animals have an increased T4×SV. Upon combination with radiotherapy, the T4×SV of TH-302-treated tumors decrease from 30.8±5.9 (Evofosfamide (TH-302)+radiotherapy) to 25.7±2.9 days (Evofosfamide (TH-302)+radiotherapy+95% O2). |
参考文献: |
1. Meng F, et al. Enhancement of hypoxia-activated prodrug TH-302 anti-tumor activity by Chk1 inhibition. BMC Cancer. 2015 May 21;15:422. 2. Zhang X, et al. MR Imaging Biomarkers to Monitor Early Response to Hypoxia-Activated Prodrug TH-302 in Pancreatic Cancer Xenografts. PLoS One. 2016 May 26;11(5):e0155289. 3. Peeters SG, et al. TH-302 in Combination with Radiotherapy Enhances the Therapeutic Outcome and Is Associated with Pretreatment [18F]HX4 Hypoxia PET Imaging. Clin Cancer Res. 2015 Jul 1;21(13):2984-92. |
溶解性: |
DMSO : 94 mg/mL (209.34 mM; Need ultrasonic and warming) H2O : 4.35 mg/mL (9.69 mM; ultrasonic and warming and heat to 60°C) |
保存条件: |
-20℃ |
配置溶液浓度参考: |
|
1mg |
5mg |
10mg |
1 mM |
2.227 ml |
11.135 ml |
22.27 ml |
5 mM |
0.445 ml |
2.227 ml |
4.454 ml |
10 mM |
0.223 ml |
1.113 ml |
2.227 ml |
50 mM |
0.045 ml |
0.223 ml |
0.445 ml |
|
注意: |
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