Current Nanomedicine - Online First
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An Overview of Receptor-targeted Nanotechnological Approaches for the Treatment of Metastatic Breast Cancer
Available online: 18 October 2024More LessBreast cancer (BC) is the second most prevalent cancer among women and can originate from the tubes, connective tissue, and lobules of the breast. The primary focus of this review is to highlight the significant advancement in the development of receptor-targeted nanotherapy for the management of metastatic breast cancer. These innovative systems directly target the specific cancer cell receptor to enhance the precision and effectiveness of the treatment. Inadequate therapy and incorrect diagnosis in conventional treatment have contributed to the rising mortality rate from breast cancer. BC that has spread to another organ in the body, commonly called Metastatic breast cancer (MBC) or Stage IV metastases, is an aggressive and heterogeneous illness that decreases the prognosis. The current treatment methods for MBC are similar to initial-stage breast cancer, which involve hormonal surgery, chemotherapy, immunotherapy, and radiation therapy with poor specificity and invasive. Moreover, treating MBC is more difficult because the cancer cells varies depending on the organ. Nanotechnology provides valuable insights for treating MBC that enable the early identification of tumor cells. Moreover, it can also transport therapeutic agents directly to the targeted sites while reducing the toxicity to healthy tissue. Due to its multifunctional, programmable, and trackable properties, future research and treatment may succeed with nanotechnology-based imaging and therapy. The present study summarizes an overview of nanotechnology-based drug delivery methods (NDDM) and receptor-targeting nanotherapy (RTN) that are applied in MBC therapy to gain attention in clinical applications. Clinical trial studies have also been discussed along with receptor-targeting nanomedicine and the status of the most relevant patent.
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Review of Lipid Nanoparticles for Breast Cancer Management: Targeting Strategies and Clinical Perspective
Available online: 17 October 2024More LessChemotherapy, a conventional breast cancer treatment, has limitations due to its non-specific mechanisms and undesirable side effects. Lipid-based nanoparticles (LNPs) have emerged as a versatile and superior platform for targeted breast cancer treatment, offering several distinct advantages over traditional therapies. This class of nanocarriers, which includes solid lipid nanoparticles (SLNs), nanostructured lipid carriers (NLCs), and liposomes, enhances the bioavailability and stability of therapeutic agents while minimizing systemic toxicity. LNPs can be engineered to precisely target breast cancer cells by exploiting tumor-specific markers, enabling selective delivery of chemotherapeutic agents and reducing off-target effects. SLNs provide controlled drug release and improved drug retention within the tumor, while NLCs offer higher drug-loading capacities and better stability. Liposomes, with their flexible design, allow for the encapsulation of both hydrophilic and hydrophobic drugs and can be modified for active targeting through surface functionalization. These lipid-based carriers also address the challenges of multi-drug resistance (MDR) by enhancing intracellular drug concentration and overcoming efflux mechanisms. In this review, we focus on lipid-based nanoparticles- a subtype of nanoparticles, and their potential advantages as drug delivery systems for breast cancer treatment. Results revealed that lipid-based nanoparticles have shown potential in breast cancer management, these include improved drug efficacy, enhanced ability to overcome cancer therapy resistance, and effective drug carrier for co-loaded drugs.
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Invasomes: An Artificial Vesicle Nanocarrier to Enhance Transdermal Drug Delivery
Authors: Preeti, Dinesh Puri and Sanjay SinghAvailable online: 11 October 2024More LessThe greatest and most noticeable organ in the body is the skin. The stratum corneum, or top layer of skin, acts as a vital barrier to prevent skin penetration for many drugs. To overcome this barrier, numerous nanocarrier frameworks have been developed, which are important for the functioning of active agents. Vascular systems known as invasomes contain low levels of ethanol as well as terpenes or terpene combinations, which have a higher skin penetration rate and function as potential carriers. Improved drug delivery via the skin using a carrier that can penetrate these barriers presents a wide range of difficulties and possibilities for further study and the creation of new and better treatment options. The main objective of an invasome-based delivery system is to significantly improve patient compliance and therapeutic value, in addition to bolstering the safety and efficacy of the drug. This article gives a summary of the synthesis process, invasome characterizations, penetration mechanisms, and applications. This review paper also includes phospholipids and their classification. Phospholipids are present in the cell membrane and provide ceramide, a bioactive molecule that moisturizes skin and protects against environmental damage in transdermal drug delivery systems. Pharmaceutical studies demonstrate that many drug molecules have less solubility, stability, bioavailability, and penetrating power. Invasomes represent a novel dosage form with promising properties for enhancing transdermal drug delivery.
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Functionalized Carbon Nanotubes: An Advanced Tool with Enhanced Biomedical Attributes
Authors: Tanushka Kataria, Sujit Bose, Shruti Kalia, Vishal Chalotra, Vijay Mishra, Gurleen Kaur and Ankit TyagiAvailable online: 11 October 2024More LessBackgroundThe drug delivery system is revolutionized by nanoparticles, an essential component of nanotechnology, exhibiting an ultra-small size, large surface area to mass ratio, and high reactivity, different from bulk materials having the same composition. Various types of nanoparticles include liposomes, neosomes, micelles, carbon-based, etc. The most useful among them are carbon nanotubes because of their distinct optical, electrical, thermal, and mechanical properties and their architectures. Furthermore, the carbon nanotubes could either be single-walled or multiple-walled, based on the number of graphene sheets rolled. Like any other technique, these come with many limitations, including their tendency of hydrophobicity, insolubility, bundling together, low dispersibility, and, majorly toxicity.
ObjectiveIn this review, the main objective is to update the applications of functionalized carbon nanotubes as drug delivery systems in various therapies.
MethodsFunctionalization came into being to solve the mentioned disabilities. Functionalization could be covalent as well as non-covalent. As a result, functionalized carbon nanotubes have shown improvement in mentioned drawbacks.
ConclusionNow, the above-said functionalized carbon nanotubes have achieved bigger objectives with a better approach than conventional carbon nanotubes in the field of drug delivery systems.
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Recent Advancement of Novel Drug Delivery Systems for Topical Anaesthesia Formulations
Authors: Sumit Sahu, Vijayalakshmi Ghosh, Parag Jain and AjazuddinAvailable online: 08 October 2024More LessIn recent years, there have been exciting developments in improving how we deliver anaesthesia through the skin. Nanotechnology is a key player, using tiny particles to encapsulate and transport anaesthetic agents, ensuring a controlled and steady release. This helps overcome challenges like inconsistent absorption and short-lasting effects seen with traditional methods. Transdermal patches are gaining attention too; they release drugs slowly and steadily, eliminating the need for frequent reapplication while maintaining a constant drug level at the application site. Smart polymers are bringing innovation by responding to specific triggers, enabling on-demand drug release. This allows for personalized anaesthesia based on individual patient needs. In recent years, there have been exciting developments in improving how we deliver anaesthesia through the skin. Nanotechnology is a key player, using tiny particles to encapsulate and transport anaesthesia agents, ensuring a controlled and steady release. This helps overcome challenges like inconsistent absorption and other short-lasting effects seen with traditional methods. Microemulsion systems, made of water, oil, surfactants, and co-surfactants, are another promising approach. They enhance drug solubility and availability, providing a stable environment for including anaesthesia agents. Transdermal patches are gaining attention too; they release drugs slowly and steadily, eliminating the need for frequent reapplication and maintaining a constant drug level at the application site. Smart polymers are bringing innovation by responding to specific triggers, enabling on-demand drug release. This allows for personalized anaesthesia based on individual patient needs. Together, these advancements mark a significant shift towards more effective, patient-friendly, and personalized topical anaesthesia delivery systems.
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Incorporation of Silica Nanoparticles in Dental Stone Type IV: Effects on Setting Time
Available online: 07 October 2024More LessIntroductionThis study aimed to examine the setting time of dental stone type IV by adding different percentages (0.5, 1, 2, 5) of silica nanoparticles.
Materials and MethodsIn this in vitro study, silica nanoparticles (silicon dioxide) were added to dental stone type IV at concentrations of 0.5%, 1%, 2%, and 5% by weight. Forty samples were divided into five groups: 0.5%, 1%, 2%, 5%, and a control group. The samples were prepared according to the manufacturer's instructions and tested according to the ISO 6873 standard using a Vicat device. The time from the start of mixing until the needle could no longer fully penetrate the mass was measured using a chronometer, and the setting time was recorded. Quantitative data were described using mean and standard deviation, and a one-way ANOVA test was performed using SPSS 26 to compare the results. A significance level of P < 0.05 was set.
ResultsThe addition of silica nanoparticles to dental stone type IV significantly increased the setting time, with the increase being proportional to the concentration of the nanoparticles. The setting time of the group containing 5% nanoparticles was significantly higher than that of the control and the 0.5% group (P value < 0.05).
ConclusionThe incorporation of silica nanoparticles into dental stone type IV resulted in a significant increase in setting time, particularly at a concentration of 5%. This increase is within the ISO range and offers advantages in the use of nanoparticles in dental materials.
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Recent Progress in Nanoemulsion Technology for the Management of Hepatic Diseases
Authors: Soniya Sarthi, Harish Bhardwaj and Rajendra Kumar JangdeAvailable online: 03 October 2024More LessLiver diseases pose a significant global health concern, particularly prevalent in developing nations, often induced by chemical exposure and high drug doses. Hepatic toxicity not only affects liver function but also extends to adjacent tissues, leading to diminished overall body function and necessitating effective treatment strategies. Despite modern medical advancements, stimulating liver function, protecting against damage, and promoting cell regeneration remain challenging tasks. Novel Drug Delivery Systems (NDDS), notably nanoemulsions, present promising avenues for addressing hepatic disorders. Nanoemulsions, characterized by biphasic dispersions of immiscible liquids stabilized by surfactants, possess unique drug-loading capabilities and viscoelastic properties that render them ideal candidates for liver-related conditions. However, their development, manufacturing, and manipulation for hepatic disorders are constrained by the partial applicability of conventional emulsion principles. This comprehensive review delves into various aspects of liver function, disease types, nanoemulsions, associated limitations and challenges, ongoing clinical trials, patents, and their inherent advantages. By shedding light on recent advancements in Nanoemulsion for hepatoprotective activity management, the review aims to illuminate the potential of tailored drug delivery systems in revolutionizing hepatic disease management. Exploring Nanoemulsion for hepatoprotective activity management signifies a crucial step toward offering targeted and efficient treatment modalities for liver diseases. Harnessing the unique capabilities of nanoemulsions could lead to significant improvements in patient outcomes and quality of life, thereby addressing the pressing global health concern posed by hepatic disorders.
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The Nano-Neuro Tempo: An Opinion
Available online: 30 September 2024More LessThe unveiled properties of a wide variety of engineered nano assembly materials, such as nanostructures and quantum dots groups in cell biology and physiology, reveal desired interactivity at a fundamental molecular level. The vast progress in therapeutic strategies developed for nanoscale measurement and manipulation, which have functional nanostructures for sensing and modulating, entails specific interactions with neurons and glial cells without the need for genetic modification. The current tempo trend for the advancement of technologies is promising and fast- forward. The present opinion seeks to map the function of nano-enabled neural interfaces that have proven their potential in technological advancements in electronics and energy harvesting to biomedicine.
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