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Published on: August 23, 2018
Ionic-Liquid-Based Paclitaxel Preparation: A New Potential Formulation for Cancer Treatment
Md Raihan Chowdhury1, Rahman Md Moshikur1, Rie Wakabayashi1,2
1Department of Applied Chemistry, Graduate School of Engineering , Kyushu University , 744 Motooka , Nishi-ku, Fukuoka 819-0395 , Japan.
Ionic liquid formulations offer a safer alternative to Taxol for cancer treatment. These new paclitaxel (PTX) formulations reduce hypersensitivity reactions compared to traditional Cremophor EL-based treatments.
Area of Science:
- Pharmaceutical Chemistry
- Nanotechnology
- Oncology
Background:
- Paclitaxel (PTX), a key chemotherapy drug, is formulated with Cremophor EL (Taxol).
- Cremophor EL causes adverse hypersensitivity reactions and precipitation issues during intravenous administration.
- There is a need for safer and more stable PTX formulations.
Purpose of the Study:
- To develop and evaluate novel ionic liquid (IL)-based PTX formulations.
- To address the limitations of Cremophor EL in current PTX formulations.
- To assess the solubility, stability, cytotoxicity, and hypersensitivity potential of IL-PTX formulations.
Main Methods:
- Formulations were prepared using PTX, cholinium amino acid ILs, ethanol, Tween-80, and water.
- PTX solubility was correlated with IL density, viscosity, and amino acid side chains.
- In vitro cytotoxicity and antitumor activity were tested on HeLa cells.
- In vitro hypersensitivity reactions were evaluated on THP-1 cells.
Main Results:
- PTX solubility significantly increased with ILs, correlating with IL properties.
- Formulations demonstrated stability for up to 3 months.
- IL-PTX formulations showed similar antitumor activity to Taxol.
- IL-PTX formulations exhibited significantly lower in vitro hypersensitivity reactions than Taxol.
Conclusions:
- Ionic liquids can enhance PTX solubility and stability.
- IL-based PTX formulations present a potentially safer alternative to Cremophor EL.
- These novel formulations may reduce adverse hypersensitivity reactions in cancer patients.
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