JNJ-26854165 (Serdemetan) is a p53-activating agent with antiproliferative activity in various p53 wild-type (WT) tumor cell lines. JNJ-26854165 inhibited clonogenic survival in all cell lines, but in a lower extent in p53-null-HCT116. JNJ-26854165 also inhibited proliferation, capillary tube formation and migration of HMEC-1 cells. JNJ-26854165 demonstrated cytotoxic activity in vitro. In vivo, JNJ-26854165 (Serdemetan) caused a greater than additive increase in tumor growth delay. JNJ-26854165 induced significant differences in EFS distribution compared to control in 18 of 37 solid tumors and in 5 of 7 of the evaluable ALL xenografts in vivo. JNJ-26854165 (Serdemetan) treatment at 0.25μM in H460 and at 5μM in A549 cells resulted in a sensitivity-enhancement ratio of 1.18 and 1.36, respectively. JNJ-26854165 treatment induced p53-mediated apoptosis in acute leukemia cells with wild-type p53, in which p53 rapidly drives transcription-independent apoptosis followed by activation of a transcription-dependent pathway. JNJ-26854165 accelerated the proteasome-mediated degradation of p21 and antagonized the transcriptional induction of p21 by p53. JNJ-26854165 is currently being evaluated in Phase I clinical trials.
Molecular Weight | 328.41 |
Formula | C21H20N4 |
CAS Number | 881202-45-5 |
Solubility (25°C) | DMSO 60 mg/mL |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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