ArticleCurrent pharmaceutical design2026
Quantification and Engineering of Lipid Nanocapsule Formulations for the Delivery of Niclosamide as an Anti-Cancer Drug.
Article in Current pharmaceutical design, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionRecent studies indicate that niclosamide demonstrates considerable promise as both an anthelmintic agent and a possible anticancer medication. Given the increasing interest in nano-sized drug delivery methods for cancer therapy, lipid nanocapsules (LNCs) have emerged as a viable approach to enhance the bioavailability of poorly soluble pharmaceuticals due to their beneficial properties. This research intends to develop niclosamide-loaded lipid nanocapsules (NIC-LNCs) using the phase inversion technique, followed by the optimization of these formulations via the Box-Behnken experimental design.
methodsA reverse-phase high-performance liquid chromatography (RP-HPLC) method was devised and validated for quantifying niclosamide in the LNC formulations. Optimal chromatographic separation was attained utilizing an Agilent Eclipse XDB-C18 column (150×4.6 mm, 5 μm i.d.) with a mobile phase of a 50:50 (v/v) mixture of acetonitrile and 0.1% H
resultsThe optimization of the NIC-LNC formulation through the Box-Behnken design resulted in an optimal formulation labeled LNC5, consisting of 4% niclosamide, 20% lipid, and 20% surfactant. The proven RPHPLC method enables accurate quantification of NIC in the LNC formulations. The refined NIC-LNC formulation exhibited developed attributes as assessed by the design. DISCUSSION: NIC-LNCs were successfully prepared with particle sizes below 100 nm, narrow size distributions (PDI<0.2), and negative zeta potential values in accordance with the literature. All formulations exhibited high encapsulation efficiency and sustained drug release profiles. The optimum formulation revealed a particle size of 43.29 ± 0.32 nm, encapsulation efficiency of 99.99 ± 0.02%, and drug release at one week of 68.85 ± 1.76%. The formulation maintained stability throughout the short-term study period.
conclusionThe findings indicate that LNC systems are a promising method for drug administration, especially for anticancer drugs with limited solubility in water.
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