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Developments in targeted drug delivery to tumors have provided the groundwork for the burgeoning field of targeted drug delivery to cardiac tissue. [5] Recent developments have shown that there are different endothelial surfaces in tumors, which has led to the concept of endothelial cell adhesion molecule-mediated targeted drug delivery to tumors.
Conventional drug delivery is limited by the inability to control dosing, target specific sites, and achieve targeted permeability. Traditional methods of delivering therapeutics to the body experience challenges in achieving and maintaining maximum therapeutic effect while avoiding the effects of drug toxicity.
Biomarkers are usually required to aid the selection of patients who will likely respond to a given targeted therapy. [6] Co-targeted therapy involves the use of one or more therapeutics aimed at multiple targets, for example PI3K and MEK, in an attempt to generate a synergistic response [5] and prevent the development of drug resistance. [7] [8]
Aquasomes are utilized for targeted drug delivery to achieve specific therapeutic effects, and are biocompatible, biodegradable, and stable. Due to their structure, aquasomes are capable of delivering several types of substrates, and can be used for applications such as delivery of antigens , insulin , and hemoglobin .
Targeted drug delivery is the delivery of a drug to its target site without having an effect on other tissues. [22] Interest in targeted drug delivery has grown drastically due to its potential implications in the treatment of cancers and other chronic diseases.
Scientists have used drug delivery as a way to modify the pharmacokinetics and targeted action of a drug by combining it with various excipients, drug carriers, and medical devices. [2] These drug delivery systems have been created to react to the pH environment of diseased or cancerous tissues, triggering structural and chemical changes within ...
Overall, microdroplet-based drug delivery systems show great promise for revolutionizing medicine with significant potential for targeted drug delivery. Limitations Nevertheless, it is essential to note some common challenges associated with microdroplet-based drug delivery systems, including their biocompatibility, toxicity, and scalability. [2]
The first drug delivery system is often dated to the 1950s, when Smith Kline & French Laboratories introduced the Spansule technology. [2] Between 1950s and 1980s, there were four drug release systems developed for oral and transdermal applications: dissolution, diffusion, osmosis, and ion-exchange controlled release. [ 3 ]