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Aqueous core nanocapsules: a new solution for encapsulating doxorubicin hydrochloride
Sandy Vrignaud1, Nicolas Anton, Catherine Passirani
1LUNAM Université, Université d'Angers, INSERM U1066-MINT - Micro et Nanomédecines Biomimétiques, IBS-CHU Angers , 4 rue Larrey, F-49933 Angers , France.
Drug Development and Industrial Pharmacy
|January 8, 2013
Summary
This study introduces aqueous core nanocapsules (ACN) for encapsulating doxorubicin hydrochloride (DOX), an anticancer drug. The novel ACN formulation achieves high drug encapsulation yields and sustained release, minimizing side effects.
Area of Science:
- Nanotechnology
- Materials Science
- Pharmaceutical Sciences
Background:
- Nanoencapsulation of hydrophilic anticancer drugs like doxorubicin hydrochloride (DOX) offers advantages in reducing side effects, such as cardiac toxicity.
- Developing effective nanoencapsulation strategies is crucial for improving drug delivery and therapeutic outcomes.
- Aqueous core nanocapsules (ACN) represent a recently developed nanocarrier system with potential for drug solubilization.
Purpose of the Study:
- To develop and optimize a novel formulation for the nanoencapsulation of doxorubicin hydrochloride (DOX) using aqueous core nanocapsules (ACN).
- To evaluate the drug encapsulation efficiency, release profiles, and physicochemical properties of DOX-loaded ACN.
- To assess the in vitro characteristics, including complement activation, of the developed nanocarriers.
Main Methods:
- Solubilization of doxorubicin hydrochloride (DOX) in the aqueous core of ACN.
- Optimization of the formulation process to maximize drug encapsulation yield.
- Physicochemical characterization and in vitro evaluation of DOX-loaded ACN.
- Analysis of drug release kinetics and complement activation experiments.
Main Results:
- ACN demonstrated high encapsulation yields for DOX, reaching up to 80%.
- Sustained drug release was observed, primarily governed by a diffusion-controlled mechanism.
- The DOX-loaded nanocarriers exhibited low levels of complement activation, suggesting potential stealth properties.
- Comprehensive physicochemical and in vitro characterization confirmed the suitability of ACN for DOX delivery.
Conclusions:
- This study presents a novel and efficient tool, aqueous core nanocapsules (ACN), for the nanoencapsulation of hydrophilic anticancer drugs like doxorubicin hydrochloride (DOX).
- The developed ACN formulation facilitates high drug loading and controlled release, with promising biocompatibility indicated by low complement activation.
- This advancement could significantly impact the administration strategies for hydrophilic anticancer agents, potentially improving their therapeutic index and reducing systemic toxicity.
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