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Chapter 22
Nano Particle-Based Targeted
Drug Delivery for Effective
Treatment of Cancer Disease:
Current Updates and Future Prospective
NISHA Rana
https://orcid.org/0000-0001-9896-8674
Swami Vivekanand Subharti University, Meerut, India
ABSTRACT
Nanoparticles are currently being used rapidly and tested to overcome some of the limitations of standard drug delivery systems and can be used as an alternative treatment for cancer. These are the most
important components of nanomedicine, and they have received much attention as promising programs
for drug delivery and cancer treatment. Nanoparticles’ ability to synthesize efficiently or by acting on
demanded tissues or cells is the basis for implanted plant delivery systems. The primary goal of using
nanoparticle-based technology was to improve drug solubility, bioavailability, absorption, and controlled
release. In contrast to the last 50 years, nanoparticle-based drug discovery involves a high degree of
uncertainty, and the production of pharmacologically active molecules from natural sources is not an
alternative.
INTRODUCTION
Nanoparticles are currently being used rapidly and tested to overcome some of the limitations of standard drug delivery systems and can be used as an alternative treatment for cancer treatment. These are
the most important component of nanomedicine, and they have received much attention as potential
programs for delivery of drug and cancer treatment. Nanoparticles’ ability to synthesize efficiently or
by acting on demanded tissues or cells is the basis for implanted plant delivery systems. The primary
goal of using nanoparticle-based technology was to improve drug solubility, bioavailability, absorption,
and controlled release. In contrast to the last 50 years, nanoparticle-based drug discovery involves a
DOI: 10.4018/978-1-6684-5129-8.ch022
Copyright © 2022, IGI Global. Copying or distributing in print or electronic forms without written permission of IGI Global is prohibited.
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Nano Particle-Based Targeted Drug Delivery for Eective Treatment of Cancer Disease
high degree of uncertainty, and the production of compounds with pharmacological activity from natural
sources is not an option. The suitability of several nanoparticles for simultaneous in vivo imaging and
cancer treatment has been investigated by many scientists.
Nanoparticles can also be programmed for recognition of the tumorous and cancerous cells and
giving accurate and selective drug delivery avoiding interference with the healthy and normal cells.
Nanoparticle buildup in malignant cells, in vivo studies and assessment of therapy outcomes, killing
cancer cells with minimal adverse effects while safeguarding normally cells are all possible paths for
the area of nanotechnology. Nanoparticles can be designed through few changes such as changing their
shape, size, physical and chemical properties to program them for targeting the selective cells. They can
also target the neoplastic cells either through passive or active targeting. The ability of nanoparticles to
actively or passively aggregate in the intended cells or tissues is the foundation of targeting medication
delivery systems. Using active or passive targeting techniques, nanoparticles can raise the intracellular
concentration of medicines in cancer cells while avoiding harm in normal healthy cells. Drug delivery
system (method) include submicron-sized particles (100-1,000 nm), devices or systems made of nanomaterials, lipid (liposomes), virus (viral nanoparticle) polymer (e.g., vesicle, micelles, dendrimers or
polymeric nanoparticles) and even inorganics.
Targeted drug delivery system, on the bases of nanotechnology, has the capability to conquer several
barriers to efficiently targeting a number of different types of cells. They also suggest the possibility
of overcoming the main problem of resistance of drug in specific cell and facilitating drug molecule
movement throughout obstacles. In comparison with traditional drug delivery system, the nanoparticlebased drug delivery system shows improved efficacy by improving the solubility of hydrophobic drugs,
increasing half-life of vulnerable drugs and proteins and allowing targeted and regulated administration
of drugs in affected site.
Recent research has focused on nanoparticle surface alterations in terms of improving nanoparticle
retention time. Recent advances in nanotechnology have led to the development and improvement of
nanoparticle formulations for diagnostic and therapeutic applications. The efficacy of few products i.e.,
Curcumin, Berberine, Quercetin, Resveratrol, Ellagic acid and has considerably enhanced by the usage
of nanocarriers preparation with gold, cadmimum sulphide, silver and polymeric nanoparticles of TiO
together with solid lipid nano-particles, crystal nanoparticles, liposomes, superparamagnetic Fe
2O3
(Superparamagnetic iron oxide: SPIONs) nanoparticles, dendrimers and, micelles. Curcumin has long
been thought to have anti-cancer effects.
Solvent evaporation, emulsion polymerization, and surfactant-free polymerisation have all been
used to construct polymeric nanoparticles (nanospheres and nanocapsules). In case of cancer delivery
of drug to a specific targeted is very essential for enhancing the therapeutic benefits of medications and
decreasing harmful side effects. Hydrogel-nanoparticles are usually based on a proprietary technology
that encapsulating and delivers drugs, vaccines, antigens, and therapeutic proteins using hydrophobic
polysaccharides. Block-copolymer micelles are also used. Initially, drug delivery systems based on dendrimers that encapsulate drugs. Polymersomes offer features that make it possible to deliver different
drugs. Conjugated Single particles- quantum dots and tumor-targeting anti-human epidermal growth
factor receptor 2 MAb have been used to locate the site of tumours.
Recently, Magnetic therapy is used for cancer treatment. Magnetic nanoparticles have shown to be
effective in the treatment of diseases. Photodynamic therapy (PDT) is also a safe and selective method
of treatment for various types of cancer. Photothermal therapy (PTT) is generally used as a therapeutic
treatment by precautionary administration, selection of laser parameters. Local light penetration for
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Nano Particle-Based Targeted Drug Delivery for Eective Treatment of Cancer Disease
selective targeting can be enabled by lighting. With the advancement of techniques many therapeutic
procedures have been evolved for the treatment of cancer disease.
Nanoparticles are engineered for passive targeting to go across leaky arteries and the particular
intra-organ pressures of malignancies. In terms of illness detection, treatment, and prevention, nanoscale
technologies are transforming the scientific landscape. They might be able to turn genomes and proteomics research into widespread advantages for patients. A nanocapsule is a vesicular system which
contains a pharmaceutical in a cavity surrounded by a polymer membrane, whereas a nanosphere is a
matrix system in which the drug is evenly dispersed. The suitability of different types of nanoparticles
simultaneously in vivo imaging and cancer treatment has been investigated. Nanoparticles can also be
synthesized to detect malignant and malignant cells and provide accurate and selective drug delivery
while avoiding damage to healthy and normal cells.
Nano delivery methods have a lot of promise for overcoming some of the barriers to efficiently targeting various types of cells. This is a unique potential to overcome resistance of drug in specific cell
while also accelerating transport of drug across boundaries (e.g., BBB). However, precisely determining molecular targets and confirming that these drugs exclusively affect the organs in question remains
uncertainty. It’s also essential to understand what happens to drugs once they reach the nucleus and
other important cellular organelles.
Nanomedicines are the applications of nanotechnology to achieve innovation in research or use of
nano level measuring unit materials in the detection, prognosis, therapy and cure of disease. It makes
use of the properties created by materials at its nanoscale level of 10-9 m, which often differ from the
same substance at a larger size in terms of biology, physics and chemistry. Nanoparticles are important
components of nanomedicine and have attracted a lot of attention as potential delivery systems of drugs
for cancer diagnostics and therapy. Nanoparticles are potential therapeutic carrier system, limited oral
bioavailability, and circulatory instability, insufficient tissues distribution and toxicity are some practically
use challenges that have yet to be addressed. Nanoparticle will continue to open many advantages and
emerge new biological applications due to their small size, customizable surface, enhanced solubility,
and multi-functionality (Singh and Lillard Jr, 2009). Nanoparticles also have the advantage of becoming more suitable for intravenous delivery than larger microparticles (Bhattacharjee et al., 2010). The
development of a number of innovative drug-delivery methods for targeting tumor has been supported
by technological breakthroughs in the disciplines of biomaterials, polymer chemistry, and drug-delivery
techniques (Wood et al., 2010). Nanotechnology has been extensively investigated and used for cancer
treatment because nanoparticles can play a vital role as a drug delivery mechanism Nanoparticle-based
drug delivery provides several advantages over traditional drug delivery, including greater stability and
biocompatibility, increased permeability and retention effect, and precision targeting. Due to the general applicability development of hybrid nanoparticles, which integrate the characteristics of numerous
nanoparticles, this type of drug-carrier system has evolved to the next level (Yao et al., 2020).
NANOPARTICLES BASED DELIVERY SYSTEMS
Considering their use in controlling drug release, labile molecules stabilization (e.g., peptides, proteins,
or Deoxyribo Nucleic Acid), and identifying drugs for specific site, great effort is being made for the
production of polymeric nanoparticles (decomposing) for delivery of drugs and engineering of tissue. In
the late 1960s and early 1970s, based on acrylamide micelle polymerization first polymer micro-particles
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Nano Particle-Based Targeted Drug Delivery for Eective Treatment of Cancer Disease
Figure 1. Applications and Objectives of nanomedicines in biomedical Science (Patra et al., 2018).
appeared (Kreuter, 1994a). Pre-formed polymers have also been developed and investigated since then,
in addition to various polymerization processes (Pitt et al., 1981; Kreuter, 1994a; Barratt, 2000). These
small particles made of PLA (poly lactic acid), poly-cyanoacrylate (PCA), poly (D, L Lactide), poly (D, L
Glycolide) [PLG], and poly (Lactide-co-Glycolide: PLGA) have been focus on much of the nanoparticle
research to date (Pitt et al., 1981).
NANOPARTICLE DRUG CARRIERS: USE AND BENEFITS
Due to their capability in biological, trade and pharmacological uses, biogenic nanoparticle has received
interest. Nanoparticles especially polymeric nanoparticles prepared from synthetic and natural polymers
have attracted the most interest due to their easiness and stability of exterior modifications (Vauthier et
al., 2003; Herrero-Vanrell et al., 2005). Retention and improved accessibility effect of vasculature has
been shown to target nano-carriers especially inflammatory regions, tumours and antigen-targeting sites.
Once packaged in the target location, hydrophobic biodegradable polymeric nanomaterials can serve as
a drug depot, depending on the medication. By modifying properties of the polymer and chemicals on
the surface, they can be customized to accomplish both medication release control and disease-specific
features (Kreuter, 1994b; Panyam and Labhasetwar, 2003; Panyam et al., 2003b). Metal nanoparticles
are important in a variety of biological applications, including targeted drug delivery, bioimaging, and
photodynamic treatment (Daraee et al., 20016, Elahi et al., 2018). Nanomedicines based on nanotechnology are now used in many areas of biological and biomedical (Patra et al., 2018) research (Fig.1).
The size and distribution of size of nanoparticles are the most important characteristics. They examine
the in-vivo dispersion, toxicities, biological fate, and specific capabilities of different systems of delivery.
They also have an impact on drug loading, drug release, and nanoparticle stability. Many researches have
shown that nanoparticles exhibit a variety of properties. Particle size is an important factor in delivery
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of drug through nanoparticles. The fastest and most frequent methods for assessing nanoparticle size
are photon-correlation spectrometry or dynamic light scattering. The viscosity of the medium must be
determined before photon-correlation spectroscopy can measure the particle diameter using light scattering properties and Brownian motion (Swarbrick and Boylan, 2002). Scanning or transmission electron
microscopy is generally used to confirm the results of photon-correlation spectroscopy (SEM or TEM).
DRUG LOADING
An effective nano-delivery system should have a good drug-loading capacity, which reduces the amount
of matrix materials that must be administered. There are two approaches to drug loading. The drug can
be integrated during preparation of nanoparticles, according to inclusion procedure. Absorbance or
Absorbance of the drug following nanoparticle creation is achieved through incubation of nano-carrier
with a concentrate solution of drug. Entrapment and efficacy of loading of drug depend on solubility of
drug in material of the excipient matrix (liquid dispersion agents or solid polymer), which is related to
the composition of matrix, drug-polymer interactions, the presence of end functional groups (i.e., carboxyl or ester) and molecular weight in either matrix or the drug (Govender et al., 1999; 2000; Panyam
et al., 2004). PEG is a popular polymer for formulation of nanoparticles, since it has little or no effect
on loading of drug and interaction (Peracchia et al., 1997). Furthermore, when macromolecule, drug,
or proteins encapsulated in nanoparticles are loaded at or near their isoelectric point (pI), they have the
highest efficiency of loading (Calvo et al., 1997). Studies demonstrate that using ionic interaction between
the matrix materials and the drug to increase loading of drug can be quite effective for tiny compounds
(Chen and Gray., 1994; Chen et al., 2003).
DRUG RELEASE
When designing a delivery system of nanoparticulate, both release of drug and biodegradation of polymer
must be taken into account. Release rate of drug is determined by the following means: (i) adsorbed drug
desorption or surface-bound; (ii) solubility of drug; (iii) drug diffusion through the matrix of nanoparticles;
(iv) erosion of the matrix of nanoparticle or degradation and (v) a combination of erosion and diffusion
processes. As a result, the diffusion, biodegradation of the particle of matrix solubility and all influence
the release process. Release of drug happens by diffusion or erosion of the matrix in nanospheres, where
the drug is uniformly dispersed. If the drug diffuses faster than the matrix erodes, the release mechanism
is essentially controlled by a diffusion process. Adsorbed drug or weakly bound to the vast surface of
nanoparticles is primarily responsible for the quick initial release, or ‘burst’ (Magenheim et al., 1993).
The manner of integration clearly has effect on the releasing profile. If the medication is loaded via the
incorporation method, the system exhibits a small burst effect and has sustained release features (Fresta
et al., 1995). In such research if the nanoparticles are coated with polymer, the drug is delivered by diffusing via the membrane of polymer.
Solubility of drug and diffusion across the polymer membrane or inside become a decisive element
in release of drug because coating of membrane acts as a barrier of drug release. Ionic interactions
between the medication and the auxiliary components can potentially impact the release rate. When
an entrapped drug interacts with auxiliary components, a less water-soluble compound forms, slowing
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Nano Particle-Based Targeted Drug Delivery for Eective Treatment of Cancer Disease
Table 1. Main classes of Nanoparticles used in drug delivery systems (Patra et al., 2018).
S. N. Nanoparticles
1. Biopolymeric Nanoparticles: Chitosan, Alginate, Xanthan gum, Cellulose, Liposome, Polymeric Micelles
2. Inorganic Nanoparticles: Nonocrystals, Matellic nanoparticles, Quantom dots
3. Protein and Polysaccharides nanoparticles
drug release and negating the burst action (Chen and Gray, 1994). When auxiliary components, such as
ethylene oxide (C
O)-propylene oxide (CH3CHCH2O) block copolymer (PEO-PPO), are added to
2H4
chitosan, the drug’s contact with the material of matrix is reduced due to the competitive interaction of
electrostatic of PEO-PPO with chitosan, resulting in an increase in release of drug (Calvo et al., 1997).
TARGETED DRUG DELIVERY
An assessment on the development of systems for the delivery of nanoparticle for targeted drug delivery
was published (Moghimi et al., 2001). Target delivery of drug can be accomplished either passively
or actively. To achieve active targeting, the carrier system or therapeutic agent must be conjugated to
cell-specific ligand or a tissue (Lamprecht et al., 2001). Through the EPR effect, drugs encapsulation in
nanoparticles or pharmaceuticals attached to the macromolecules can also target malignancy passively.
Catheters can be utilized to deliver nanoparticles to the desired tissues or organs. Localized drug-bearing
nanoparticle delivery to regions of vascular restenosis, for example, could provide long-term medication release at target location on the wall of artery (Maeda, 2001; Sahoo et al., 2002). Various types of
nanoparticles are now being used in research and biomedical sciences (Table 1). Few nanoparticles are
used for the treatment of cancer.
Natural biopolymers are also used in nanomedicine their source include Algae (Alginate, Galactans,
Carrageenan), Microorganisms (Dextran, Gellan Gum, Xanthan Gum, Bacterial Cellulose). Liposome
has been shown to be effective in the delivery of medicinal drugs. Drug administration specifically
contact-facilitated is applied in this system, which entails interacting or binding with the desired specific cell membrane. This allows for improved lipid to lipid interaction with the monolayer of lipid of
nanoparticle, allows speeds up the convective flux of lipophilic medicines (e.g., paclitaxel) via the outer
lipid membrane of nanoparticle to specifically selected cells (Guzman et al., 1996). These nano systems
could be used as drug depots, with long-term release persistence and kinetics at the specific site (target
location). Drug can be delivered via nanoparticles over a variety of barriers (biological) (Lockman et
al., 2002; Fisher and Ho, 2002). The difficulty of anti-neoplastic, anti-viral medicines, a variety of other
treatments to cross the blood-brain barrier has a significant impact (BBB). The use of nanoparticles to
deliver through this barrier holds a lot of promise. Nanoparticles have been shown to traverse the BBB
after hyper-osmotic mannitol opens tight junctions, potentially allowing for continuous targeting of
therapeutic medicines for those difficult to treat disorders such tumor of brain (Avgoustakis et al., 2002).
Nanoparticles coated with Tween-80 have also been proven to crossing the BBB (Beletsi et al., 1999).
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