Enzymes for Research, Diagnostic and Industrial Use


Cat No.
Product Overview
RG7388 is a second generation clinical MDM2 inhibitor with superior potency and selectivity. It is a highly potent pyrrolidine compound. RG7388 is more potent and selective than RG7112.In human cancer cell lines, IC50 value of RG7388 in HTRF binding assays is 6 nM and IC50 value of RG7388 in MTT proliferation assays is 0.03μM. In human cancer cell lines, RG7388 blocks p53−MDM2 binding and effectively activates the p53 pathway, leading to cell cycle arrest and/or apoptosis in cell lines expressing wild-type p53 and tumor growth inhibition or regression of osteosarcoma xenografts in nude mice. RG7388 is undergoing clinical investigation in solid and hematological tumors. In rhabdomyosarcoma xenografts mice, RG7388 increased the activity of Ionizing radiation (XRT) in both rhabdomyosarcoma models and did not increasing local XRT-induced skin toxicity. Changes in TP53-responsive genes were consistent with the synergistic activity of RG7388 and XRT in the Rh18 model. RG7388 GI50 concentrations of wt p53 was a >200-fold difference versus mutant cell lines. Comparing with MYCN-cells, Tet21N MYCN+ cells were more sensitive to RG7388.In five p53-wt neuroblastoma cell lines, combining use of RG7388 with cisplatin, topotecan, doxorubicin, busulfan and temozolomide were synergistic led to increased apoptosis and higher caspase-3/7 activity. RG7388 is highly potent against p53-wt neuroblastoma cells, and strongly supports its further evaluation as a novel therapy for patients with high-risk neuroblastoma and wt p53 to potentially improve survival and/or reduce toxicity.
Molecular Weight
Store at -20°C
RG 7388; RG-7388
Molecular Formula
Chemical Name
4-[[(2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-(2,2-dimethylpropyl)pyrrolidine-2-carbonyl]amino]-3-methoxybenzoic acid
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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