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Published on: December 15, 2010
Advances and Prospects of Ultrasound Targeted Drug Delivery Systems Using Biomaterial-modified Micro/Nanobubbles for
Chen Lin1, Ye-Zi Chen2, Bo Wu1
1Medical College of China Three Gorges University, Yichang, China.
Abstract:
The incidence of malignant tumors is rising rapidly and tends to be in the younger, which has been one of the most important factors endangering the safety of human life. Ultrasound micro/nanobubbles, as a noninvasive and highly specific antitumor strategy, can reach and destroy tumor tissue through their effects of cavitation and acoustic perforation under the guidance of ultrasound. Meanwhile, micro/nanobubbles are now used as a novel drug carrier, releasing drugs at a target region, especially on the prospects of biomaterial-modified micro/nanobubbles as a dual modality for drug delivery and therapeutic monitoring. Successful evaluation of the sonoporation mechanism(s), ultrasound parameters, drug type, and dose will need to be addressed before translating this technology for clinical use. Therefore, this paper collects the literature on the experimental and clinical studies of ultrasound biomaterial-modified micro/nanobubbles therapy in vitro and in vivo in recent years.
Insights
Ultrasound micro/nanobubbles offer a noninvasive approach to destroy tumors and deliver drugs. Further research is needed to optimize ultrasound parameters and drug delivery for clinical application.
Area of Science:
- Oncology
- Biomaterials Science
- Acoustic Medicine
Background:
- Malignant tumors are a growing global health concern, particularly in younger populations.
- Current treatments face limitations in specificity and invasiveness.
- Ultrasound micro/nanobubbles present a promising noninvasive strategy for cancer therapy.
Purpose of the Study:
- To review recent experimental and clinical studies on ultrasound biomaterial-modified micro/nanobubbles therapy.
- To highlight the potential of micro/nanobubbles as drug carriers and for therapeutic monitoring.
- To identify key factors for clinical translation of this technology.
Main Methods:
- Literature review of in vitro and in vivo studies.
- Analysis of ultrasound-mediated cavitation and acoustic perforation mechanisms.
- Evaluation of biomaterial modifications for enhanced micro/nanobubble function.
Main Results:
- Ultrasound micro/nanobubbles demonstrate efficacy in destroying tumor tissue via cavitation and acoustic perforation.
- Biomaterial-modified micro/nanobubbles show potential as dual-modality agents for drug delivery and treatment monitoring.
- Optimization of sonoporation mechanisms, ultrasound parameters, and drug delivery is crucial.
Conclusions:
- Ultrasound biomaterial-modified micro/nanobubbles represent a significant advancement in noninvasive cancer treatment.
- Further research is essential to refine the technology for safe and effective clinical application.
- This therapeutic approach holds promise for improving patient outcomes in oncology.
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