Corrole Nanoparticles for Chemotherapy of Castration-Resistant Prostate Cancer and as Sonodynamic Agents for Pancreatic Cancer Treatment


J. Med. Chem. 2023, 66, 1, 766–776


Soll, M., Sharma, V. K., Khoury, S., Assaraf, Y. G., & Gross, Z.



A nanoparticle-based system, composed of the gallium(III) complex of a minimally substituted corrole that is coated by transferrin as a targeting vehicle (3-Ga NPs), has been used for pre-clinical evaluation of its efficacy against human metastatic castration-resistant prostate cancer (mCRPC) tumor xenografts. All mice (N = 9) responded to a dose of 10 mg/kg, with a remarkable tumor growth inhibition of 400% following 2 weeks of treatment; Ames and hERG tests excluded potential concerns regarding mutagenicity and cardiotoxicity, respectively. Also demonstrated is the potential application of these 3-Ga NPs as sonodynamic agents for the preclinical treatment of pancreatic cancer. 10 mg/kg 3-Ga NPs combined with exposure to ultrasound waves (2 min of 1 MHz 0.1 w/cm2 twice a week) induced up to 77% tumor shrinkage. Consistently, tumor/tissue distribution and serum levels of 3-Ga NPs in mice revealed high tumor specificity, favorable pharmacokinetics, fast absorption, slower redistribution, and very slow drug clearance.

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