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Published on: April 26, 2016
[A novel anticancer drug delivery system -DAC-70/CDDP]
Akio Sugitachi1, Koki Otsuka, Kentaro Fujisawa
1Dept. of Surgery, Iwate Medical University.
This study developed a muco-adhesive drug delivery system using deacetylated chitin (DAC-70) for cancer treatment. The system showed enhanced muco-adhesion at body temperature and controlled drug release, suggesting clinical promise.
Area of Science:
- Biomaterials Science
- Drug Delivery Systems
- Oncology
Context:
- Developing effective localized cancer chemotherapy requires advanced drug delivery systems.
- Muco-adhesive materials offer potential for targeted drug release in specific tissues, like the colon.
- Chitin derivatives are explored for their biocompatibility and potential in drug encapsulation.
Purpose:
- To create and evaluate a muco-adhesive anticancer drug delivery system utilizing 70% deacetylated chitin (DAC-70).
- To assess the muco-adhesive properties and in vitro drug release profiles of cisplatin (CDDP) and 5-fluorouracil (5-FU) loaded systems.
Summary:
- A muco-adhesive system was fabricated using DAC-70 loaded with either CDDP or 5-FU.
- Ex vivo studies demonstrated increased muco-adhesion at 37°C compared to 25°C.
- In vitro release profiles showed sustained release for CDDP and burst release for 5-FU, influenced by chitin properties and drug interactions.
Impact:
- The DAC-70/CDDP system exhibits promising characteristics for loco-regional cancer chemotherapy.
- Understanding drug-chitin interactions and chitin degradability is key to optimizing release kinetics.
- This research contributes to the development of targeted and effective cancer treatment strategies.
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