Preparation and bioevaluation of a 99mTc-labeled chlorambucil analog as a tumor targeting agent

Add time:07/20/2019    Source:sciencedirect.com

Chlorambucil belongs to a group of nitrogen mustards which are used for the treatment of variety of cancers. Hence, a chlorambucil derivative has been radiolabeled with [99mTc(CO)3(H2O)3]+ core and its efficacy as a tumor targeting agent has been evaluated. Radiochemical yield of the complex was >98% as observed by HPLC. The in vitro studies in MCF-7 breast cancer cells showed about 30% inhibition of the radiolabeled complex in presence of the cold chlorambucil derivative. Biodistribution studies in Swiss mice bearing fibrosarcoma tumor showed an uptake of 3.2±0.3% ID/g at 3 h.p.i.

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