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Capecitabine-loaded NLC for Breast Cancer Treatment: Preparation, Characterization, and In vitro Evaluation
Muhammad Hadi Sultan1, Yosif Almoshari1, Syam Mohan2
1Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan, Saudi Arabia.
Background:
Cancer treatment often involves the use of potent antineoplastic drugs like Capecitabine (CAP), which can lead to serious toxicities. There is a need for dosage forms to manage these toxicities that can deliver the medication effectively to the target site while maintaining therapeutic efficacy at lower doses. To achieve the aforesaid objective, NLC containing capecitabine (NANOBIN) was prepared and evaluated. Different formulations of NANOBIN, denoted as CaTS, CaT1S, CaT2S, CaTS1, and CaTS2, were designed and evaluated to improve drug delivery and therapeutic outcomes.
Methods:
The NANOBIN formulations were prepared using the hot homogenization method. The characterization of these formulations was conducted based on various parameters such as particle size, Polydispersity Index (PDI), Zeta Potential (ZP), Transmission Electron Microscopy (TEM) imaging, and Encapsulation Efficiency (EE). In vitro evaluations included stability testing, release studies to assess drug release kinetics, and a cytotoxicity assay (MTT assay) to evaluate the efficacy of these formulations against human breast cancer cells (MCF-7).
Results:
The characterization results revealed that all NANOBIN formulations exhibited particle sizes ranging from 65 to 193 nm, PDI values within the range of 0.26-0.37, ZP values between 46.47 to 61.87 mV (-ve), and high EE percentages ranging from 94.121% to 96.64%. Furthermore, all NANOBIN formulations demonstrated sustained and slow-release profiles of CAP. The MTT assay showed that the NANOBINs exhibited significantly enhanced cytotoxic efficacy, approximately 10 times greater than free CAP when tested on MCF-7 cells. These findings indicate the potential of NANOBINs to deliver CAP effectively to the target site, enabling prolonged drug availability and enhanced therapeutic effects at lower doses.
Conclusion:
The study demonstrates that NANOBINs can effectively deliver CAP to target sites, prolonging drug exposure and enhancing therapeutic efficacy while reducing the required dose. Further studies are necessary to validate these findings and establish NANOBINs as a preferred treatment option for cancer therapy.
