ArticleChemMedChem2026
Positively Charged Polymers Based on Cyclodextrins for Trametinib and Selumetinib Delivery in Glioblastoma Cancer.
Article in ChemMedChem, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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7 authors.
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Abstract
Glioblastoma (GB) is the most common and aggressive malignant brain tumor, with a median survival of only 12-15 months despite current treatments with surgery, radiotherapy, and temozolomide (TMZ). Although TMZ induces cytotoxic DNA methylation in tumor cells, its efficacy is often limited by resistance mechanisms. To overcome these limitations, alternative therapeutic strategies-such as targeting the mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway with MEK inhibitors like trametinib and selumetinib-are being explored. However, their clinical success is currently hindered by inadequate delivery across the blood-brain barrier and dose-limiting toxicity. Nanoparticles, particularly positively charged systems, offer enhanced cellular uptake and therapeutic performance due to their strong interactions with negatively charged cell membranes. Cyclodextrin (CyD)-based polymers are promising systems owing to their low toxicity and ability to form inclusion complexes with drugs. In this work, we investigate two cationic CyD polymers as potential nanocarriers for GB therapy based on trametinib and selumetinib. Their multivalent architecture and positive charge can facilitate both the encapsulation of drugs and membrane interactions. These systems present promising candidates for enhancing the efficacy of GB treatment.
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