期刊
PHARMACEUTICS
卷 15, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/pharmaceutics15051319
关键词
docetaxel; lipid-based carrier; nanostructured lipid carrier; theranostic
Lung cancer is a major cause of cancer-related deaths due to late diagnosis and lack of effective therapies. In this study, a potential theranostic agent for lung cancer treatment called Dtx-MNLC was developed, which consists of a nanostructured lipid carrier loaded with iron oxide nanoparticles and docetaxel (Dtx). The formulation showed controlled release of Dtx in a simulated cancer cell microenvironment and exhibited higher cytotoxicity to lung cancer cells compared to healthy lung cells. It has the potential to be an effective and targeted treatment for lung cancer.
Lung cancer is currently the most prevalent cause of cancer mortality due to late diagnosis and lack of curative therapies. Docetaxel (Dtx) is clinically proven as effective, but poor aqueous solubility and non-selective cytotoxicity limit its therapeutic efficacy. In this work, a nanostructured lipid carrier (NLC) loaded with iron oxide nanoparticles (IONP) and Dtx (Dtx-MNLC) was developed as a potential theranostic agent for lung cancer treatment. The amount of IONP and Dtx loaded into the Dtx-MNLC was quantified using Inductively Coupled Plasma Optical Emission Spectroscopy and high-performance liquid chromatography. Dtx-MNLC was then subjected to an assessment of physicochemical characteristics, in vitro drug release, and cytotoxicity. Dtx loading percentage was determined at 3.98% w/w, and 0.36 mg/mL IONP was loaded into the Dtx-MNLC. The formulation showed a biphasic drug release in a simulated cancer cell microenvironment, where 40% of Dtx was released for the first 6 h, and 80% cumulative release was achieved after 48 h. Dtx-MNLC exhibited higher cytotoxicity to A549 cells than MRC5 in a dose-dependent manner. Furthermore, the toxicity of Dtx-MNLC to MRC5 was lower than the commercial formulation. In conclusion, Dtx-MNLC shows the efficacy to inhibit lung cancer cell growth, yet it reduced toxicity on healthy lung cells and is potentially capable as a theranostic agent for lung cancer treatment.
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