產品描述: Lonafarnib (Sch66336) is a potent and orally active farnesyl transferase (FTase) inhibitor. Lonafarnib inhibits the activities of H-ras, K-ras and N-ras with IC50 values of 1.9 nM, 5.2 nM and 2.8 nM, respectively. Lonafarnib also has anti-hepatitis delta virus (HDV) activities. |
靶點:
IC50: 1.9 nM (H-ras), 5.2 nM (K-ras), 2.8 nM (N-ras);Raf;Transferase;Autophagy;Ras |
體內研究:
In mouse, rat, and monkey systems, Lonafarnib (Sch66336) has excellent oral bioavailability and pharmacokinetic properties. In the nude mouse, Lonafarnib demonstrates potent oral activity in a wide array of human tumor xenograft models including tumors of colon, lung, pancreas, prostate, and urinary bladder origin. Lonafarnib alone (80 mg/kg by oral gavage, once daily) has limited ability to inhibit orthotopic U87 tumors compared to vehicle treated control animals (T/C of 0.67). The combination of XRT/Tem (2.5Gy/day for 2 days; 5 mg/kg by oral gavage 90 min prior to XRT) is designed to produce modest tumor growth inhibition in vivo(T/C of 0.42). Concurrent Lonafarnib/XRT/Tem (Lonafarnib 80 mg/kg by oral gavage, once daily, XRT 2.5Gy/day for 2 days, and Tem 5 mg/kg by oral gavage 90 min prior to XRT) provides the strongest growth reduction (T/C of 0.02) and is significantly more effective than XRT/Tem (p<0.04), with the majority of animals demonstrating a decrease in tumor volume (p<0.05) after two weeks and persisting after 4 weeks (p<0.05) |
參考文獻:
1. Liu M, et al. Antitumor activity of SCH 66336, an orally bioavailable tricyclic inhibitor of farnesyl protein transferase, in human tumor xenograft models and wap-ras transgenic mice. Cancer Res. 1998 Nov 1;58(21):4947-56. 2. Chaponis D, et al. Lonafarnib (SCH66336) improves the activity of temozolomide and radiation for orthotopic malignant gliomas. J Neurooncol. 2011 Aug;104(1):179-89. 3. Koh C,et al. Oral prenylation inhibition with lonafarnib in chronic hepatitis D infection: a proof-of-concept randomised, double-blind, placebo-controlled phase 2A trial. Lancet Infect Dis. 2015 Oct;15(10):1167-1174. |
溶解性:
DMSO : 50 mg/mL (78.27 mM; Need ultrasonic) |
保存條件:
-20℃ |
配置溶液濃度參考:
|
1mg |
5mg |
10mg |
1 mM |
1.565 ml |
7.827 ml |
15.654 ml |
5 mM |
0.313 ml |
1.565 ml |
3.131 ml |
10 mM |
0.157 ml |
0.783 ml |
1.565 ml |
50 mM |
0.031 ml |
0.157 ml |
0.313 ml |
|
注意: |
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