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Updated: Jan 22, 2026

Preparation and Characterization of Lipophilic Doxorubicin Pro-drug Micelles
Published on: August 2, 2016
Dihydroartemisinin and doxorubicin co-loaded Soluplus®-TPGS mixed micelles: formulation characterization, cellular
Yutong Wang1, Yanfang Ding2, Jing Zhao1
1School of Pharmacy, Dalian Medical University , Dalian , P.R. China.
Abstract:
Clinically, co-delivery of chemotherapeutics has been limited by poor water-solubility and severe systemic toxicity. This study was aimed at integrating the merits of combination chemotherapy and mixed micellar technology and demonstrating the anticancer potential of doxorubicin (DOX) and dihydroartemisinin (DHA) co-loaded Soluplus®-TPGS mixed micellar system. In this study, physiochemically stable multidrug loaded mixed micelles were successfully prepared, encapsulation efficiencies of DOX and DHA were as high as 90%, and the average diameter of the micelles was 64.27 nm. The cellular uptake of DOX from the mixed micelles increased by 1.3 and 1.2 times for MCF-7 and MCF-7/ADR cell lines, respectively. The micelles were more cytotoxic than free DHA-DOX. Surprisingly, the co-loaded mixed micelles exhibited higher antitumor activity, while the systemic toxicity was reduced during the treatment. Therefore, the DOX and DHA mixed micelle might be a potential, effective, and less toxic drug-delivery system for cancer therapy.
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