Displaying publications 121 - 140 of 536 in total

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  1. Nano-mediated strategy for targeting and treatment of non-small cell lung cancer (NSCLC)
    Ashique S, Garg A, Mishra N, Raina N, Ming LC, Tulli HS, et al.
    Naunyn Schmiedebergs Arch Pharmacol, 2023 Nov;396(11):2769-2792.
    PMID: 37219615 DOI: 10.1007/s00210-023-02522-5
    Lung cancer is the most common type of cancer, with over 2.1 million cases diagnosed annually worldwide. It has a high incidence and mortality rate, leading to extensive research into various treatment options, including the use of nanomaterial-based carriers for drug delivery. With regard to cancer treatment, the distinct biological and physico-chemical features of nano-structures have acquired considerable impetus as drug delivery system (DDS) for delivering medication combinations or combining diagnostics and targeted therapy. This review focuses on the use of nanomedicine-based drug delivery systems in the treatment of lung cancer, including the use of lipid, polymer, and carbon-based nanomaterials for traditional therapies such as chemotherapy, radiotherapy, and phototherapy. The review also discusses the potential of stimuli-responsive nanomaterials for drug delivery in lung cancer, and the limitations and opportunities for improving the design of nano-based materials for the treatment of non-small cell lung cancer (NSCLC).
    Matched MeSH terms: Drug Delivery Systems
  2. Miniaturized Polymeric Systems for the Intravaginal Gene Therapies: Recent Update on Unconventional Delivery
    Pandey M, Ting JSS, Gorain B, Jain N, Mayuren J
    Curr Pharm Des, 2023;29(40):3254-3262.
    PMID: 37438899 DOI: 10.2174/1381612829666230712162540
    The prevalence of vaginal infection is increasing among women, especially at reproductive age. For proper eradication of infection, the effective concentration of a drug is required at the infection site. Therefore, local delivery is recommended to exert a direct therapeutic effect at the site action that causes a reduction in dose and side effects. The main focus of vaginal drug delivery is to enhance retention time and patient compliance. The high recurrence rate of vaginal infection due to the lack of effective treatment strategies opens the door for new therapeutic approaches. To combat these setbacks, intravaginal gene therapies have been investigated. High attention has been gained by vaginal gene therapy, especially for sexually transmitted infection treatment. Despite much research, no product is available in the market, although in vitro and preclinical data support the vaginal route as an effective route for gene administration. The main focus of this review is to discuss the recent advancement in miniaturized polymeric systems for intravaginal gene therapies to treat local infections. An overview of different barriers to vaginal delivery and challenges of vaginal infection treatment are also summarised.
    Matched MeSH terms: Drug Delivery Systems
  3. Nano-drug delivery system: a promising approach against breast cancer
    Malik JA, Ansari JA, Ahmed S, Khan A, Ahemad N, Anwar S
    Ther Deliv, 2023 May;14(5):357-381.
    PMID: 37431741 DOI: 10.4155/tde-2023-0020
    Breast cancer (BC) is among the most frequent malignancies women face around the globe. Nanotherapeutics are constantly evolving to overcome the limitations of conventional diagnostic and therapeutic approaches. Nanotechnology-based nanocarriers have a higher entrapment efficiency, low cytotoxicity, greater stability and improved half-life than conventional therapy. Nano-drug delivery systems have improved pharmacokinetics and pharmacodynamics parameters because of nanomeric size. Currently, various nano-formulations are in preclinical and clinical settings for breast cancer, like polymeric nanoparticles, micelles, nanobodies, magnetic nanoparticles, liposomes, niosomes, gold-nanoparticles, dendrimers and carbon-nanotubes. This review highlights the recent advancement in developing nano-drug delivery systems for BC treatment. This review will open the gateway to researchers to understand the current approaches to developing nano-formulation and improving problems associated with conventional therapy.
    Matched MeSH terms: Drug Delivery Systems
  4. Polycaprolactone-based Nanocarriers Containing 5-fluorouracil as a Therapeutic Guided Drug Delivery Approach for Enhancing Anticancer Activity
    Mohammadian S, Khazaei M, Maghami P, Avan A, Rezaei M
    Curr Cancer Drug Targets, 2023;23(7):524-533.
    PMID: 36809944 DOI: 10.2174/1568009623666230210140212
    Nowadays, nano-platforms designed for drug delivery systems (DDSs) such as polymers, liposomes, and micelles have been demonstrated to be clinically efficient. The sustained drug release is one of the advantages of DDSs, especially polymer-based nanoparticles. The formulation could enhance the drug's durability, in which the biodegradable polymers are the most interesting building blocks of DDSs. Nano-carriers could circumvent many issues by localized drug delivery and release via certain internalization routes such as intracellular endocytosis paths and increasing biocompatibility. Polymeric nanoparticles and their nanocomposite are one of the most important classes of materials that can be used for the assembly of nanocarriers that can form complex, conjugated and encapsulated forms. The site-specific drug delivery may arise from the ability of nanocarriers to pass through the biological barrier, their specific interactions with receptors, and passive targeting. The better circulation, uptake, and stability along with targeting attributes lead to lesser side effects and damage to normal cells. Hence, in this review, the most recent achievements on polycaprolactone-based or -modified nanoparticles in drug delivery systems (DDSs) for 5-fluorouracil (5-FU) are presented.
    Matched MeSH terms: Drug Delivery Systems
  5. Biocompatible polysaccharide fabricated graphene oxide nanoparticles: A versatile nanodrug carrier to deliver κ- carrageenan against cancer cells
    Kesavan S, Rajesh D, Shanmugam J, Aruna S, Gopal M, Vijayakumar S
    Int J Biol Macromol, 2023 Jul 31;244:125322.
    PMID: 37307980 DOI: 10.1016/j.ijbiomac.2023.125322
    A graphene oxide mediated hybrid nano system for pH stimuli-responsive and in vitro drug delivery targeted for cancer was described in this study. Graphene oxide (GO) functionalized Chitosan (CS) mediated nanocarrier capped with xyloglucan (XG) was fabricated with and without Kappa carrageenan (κ-C) from red seaweed, Kappaphycus alverzii, as an active drug. FTIR, EDAX, XPS, XRD, SEM and HR-TEM studies were carried out for GO-CS-XG nanocarrier loaded with and without active drugs to understand the physicochemical properties. XPS (C1s, N1s and O1s) confirmed the fabrications of XG and functionalization of GO by CS via the binding energies at 284.2 eV, 399.4 eV and 531.3 eV, respectively. The amount of drug loaded in vitro was 0.422 mg/mL. The GO-CS-XG nanocarrier showed a cumulative drug release of 77 % at acidic pH 5.3. In contrast to physiological conditions, the release rate of κ-C from the GO-CS-XG nanocarrier was considerably higher in the acidic condition. Thus, a pH stimuli-responsive anticancer drug release was successfully achieved with the GO-CS-XG-κ-C nanocarrier system for the first time. The drug release mechanism was carried out using various kinetic models that showed a mixed release behavior depending on concentration and diffusion/swelling mechanism. The best-fitting model which supports our release mechanism are zero order, first order and Higuchi models. GO-CS-XG and κ-C loaded nanocarrier biocompatibility were determined by in vitro hemolysis and membrane stabilization studies. MCF-7 and U937 cancer cell lines were used to study the cytotoxicity of the nanocarrier by MTT assay, which indicates excellent cytocompatibility. These findings support the versatile use of a green renewable biocompatible GO-CS-XG nanocarrier as targeted drug delivery and potential anticancer agent for therapeutic purposes.
    Matched MeSH terms: Drug Delivery Systems
  6. Unravelling the success of transferosomes against skin cancer: Journey so far and road ahead
    Kumbhar PS, Kamble V, Vishwas S, Kumbhar P, Kolekar K, Gupta G, et al.
    Drug Deliv Transl Res, 2024 Sep;14(9):2325-2344.
    PMID: 38758498 DOI: 10.1007/s13346-024-01607-9
    Skin cancer remains one of the most prominent types of cancer. Melanoma and non-melanoma skin cancer are commonly found together, with melanoma being the more deadly type. Skin cancer can be effectively treated with chemotherapy, which mostly uses small molecular medicines, phytoceuticals, and biomacromolecules. Topical delivery of these therapeutics is a non-invasive way that might be useful in effectively managing skin cancer. Different skin barriers, however, presented a major obstacle to topical cargo administration. Transferosomes have demonstrated significant potential in topical delivery by improving cargo penetration through the circumvention of diverse skin barriers. Additionally, the transferosome-based gel can prolong the residence of drug on the skin, lowering the frequency of doses and their associated side effects. However, the choice of appropriate transferosome compositions, such as phospholipids and edge activators, and fabrication technique are crucial for achieving improved entrapment efficiency, penetration, and regulated particle size. The present review discusses skin cancer overview, current treatment strategies for skin cancer and their drawbacks. Topical drug delivery against skin cancer is also covered, along with the difficulties associated with it and the importance of transferosomes in avoiding these difficulties. Additionally, a summary of transferosome compositions and fabrication methods is provided. Furthermore, topical delivery of small molecular drugs, phytoceuticals, and biomacromolecules using transferosomes and transferosomes-based gel in treating skin cancer is discussed. Thus, transferosomes can be a significant option in the topical delivery of drugs to manage skin cancer efficiently.
    Matched MeSH terms: Drug Delivery Systems
  7. Recent progress of targeted nanocarriers in diagnostic, therapeutic, and theranostic applications in colorectal cancer
    Choudhury H, Pandey M, Saravanan V, Mun ATY, Bhattamisra SK, Parikh A, et al.
    Biomater Adv, 2023 Oct;153:213556.
    PMID: 37478770 DOI: 10.1016/j.bioadv.2023.213556
    Cancer at the lower end of the digestive tract, colorectal cancer (CRC), starts with asymptomatic polyps, which can be diagnosed as cancer at a later stage. It is the fourth leading cause of malignancy-associated mortality worldwide. Despite progress in conventional treatment strategies, the possibility to overcome the mortality and morbidity issues with the enhancement of the lifespan of CRC patients is limited. With the advent of nanocarrier-based drug delivery systems, a promising revolution has been made in diagnosis, treatment, and theranostic purposes for cancer management. Herein, we reviewed the progress of miniaturized nanocarriers, such as liposomes, niosomes, solid lipid nanoparticles, micelles, and polymeric nanoparticles, employed in passive and active targeting and their role in theranostic applications in CRC. With this novel scope, the diagnosis and treatment of CRC have proceeded to the forefront of innovation, where specific characteristics of the nanocarriers, such as processability, flexibility in developing precise architecture, improved circulation, site-specific delivery, and rapid response, facilitate the management of cancer patients. Furthermore, surface-engineered technologies for the nanocarriers could involve receptor-mediated deliveries towards the overexpressed receptors on the CRC microenvironment. Moreover, the potential of clinical translation of these targeted miniaturized formulations as well as the possible limitations and barriers that could impact this translation into clinical practice were highlighted. The advancement of these newest developments in clinical research and progress into the commercialization stage gives hope for a better tomorrow.
    Matched MeSH terms: Drug Delivery Systems
  8. Fulltext Drug Delivery of Natural Products Through Nanocarriers for Effective Breast Cancer Therapy: A Comprehensive Review of Literature
    Yap KM, Sekar M, Fuloria S, Wu YS, Gan SH, Mat Rani NNI, et al.
    Int J Nanomedicine, 2021;16:7891-7941.
    PMID: 34880614 DOI: 10.2147/IJN.S328135
    Despite recent advances in the diagnosis and treatment of breast cancer (BC), it remains a global health issue affecting millions of women annually. Poor prognosis in BC patients is often linked to drug resistance as well as the lack of effective therapeutic options for metastatic and triple-negative BC. In response to these unmet needs, extensive research efforts have been devoted to exploring the anti-BC potentials of natural products owing to their multi-target mechanisms of action and good safety profiles. Various medicinal plant extracts/essential oils and natural bioactive compounds have demonstrated anti-cancer activities in preclinical BC models. Despite the promising preclinical results, however, the clinical translation of natural products has often been hindered by their poor stability, aqueous solubility and bioavailability. There have been attempts to overcome these limitations, particularly via the use of nano-based drug delivery systems (NDDSs). This review highlights the tumour targeting mechanisms of NDDSs, the advantages and disadvantages of the major classes of NDDSs and their current clinical status in BC treatment. Besides, it also discusses the proposed anti-BC mechanisms and nanoformulations of nine medicinal plants' extracts/essential oils and nine natural bioactive compounds; selected via the screening of various scientific databases, including PubMed, Scopus and Google Scholar, based on the following keywords: "Natural Product AND Nanoparticle AND Breast Cancer". Overall, these nanoformulations exhibit improved anti-cancer efficacy against preclinical BC models, with some demonstrating biocompatibility with normal cell lines and mouse models. Further clinical studies are, however, warranted to ascertain their efficacy and biocompatibility in humans.
    Matched MeSH terms: Drug Delivery Systems
  9. Nanoneuroscience: Cutting-edge Approach for Disease Management
    Malhotra S, Jain N, Rathee J, Kaul S, Nagaich U, Pandey M, et al.
    Recent Pat Nanotechnol, 2024;18(2):256-271.
    PMID: 38197418 DOI: 10.2174/1872210517666230403105152
    Neurological disorders (ND) have affected a major part of our society and have been a challenge for medical and biosciences for decades. However, many of these disorders haven't responded well to currently established treatment approaches. The fact that many active pharmaceutical ingredients can't get to their specified action site inside the body is one of the main reasons for this failure. Extracellular and intracellular central nervous system (CNS) barriers prevent the transfer of drugs from the blood circulation to the intended location of the action. Utilizing nanosized drug delivery technologies is one possible way to overcome these obstacles. These nano-drug carriers outperform conventional dosage forms in many areas, including good drug encapsulation capacity, targeted drug delivery, less toxicity, and enhanced therapeutic impact. As a result, nano-neuroscience is growing to be an intriguing area of research and a bright alternative approach for delivering medicines to their intended action site for treating different neurological and psychiatric problems. In this review, we have included a short overview of the pathophysiology of neurological diseases, a detailed discussion about the significance of nanocarriers in NDs, and a focus on its recent advances. Finally, we highlighted the patented technologies and market trends, including the predictive analysis for the years 2021-2028.
    Matched MeSH terms: Drug Delivery Systems
  10. A haemostatic agent delivery system for endoscopic neurosurgical procedures
    Waran V, Sek K, Bahuri NF, Narayanan P, Chandran H
    Minim Invasive Neurosurg, 2011 Oct;54(5-6):279-81.
    PMID: 22278798 DOI: 10.1055/s-0031-1297997
    In endoscopic neurosurgery problems with haemostasis due to poor access exist. We have developed a system which allows the delivery of a variety of haemostatic agents in a more efficacious manner. The system has been used successfully in endoscopic skull base surgery and endoscopic surgery within the parenchyma of the brain using tube systems.
    Matched MeSH terms: Drug Delivery Systems/instrumentation*; Drug Delivery Systems/methods
  11. Molecular diagnosis using multi drug delivery network and stability
    Jalil MA, Innate K, Suwanpayak N, Yupapin PP, Ali J
    Artif Cells Blood Substit Immobil Biotechnol, 2011 Dec;39(6):357-65.
    PMID: 21999106 DOI: 10.3109/10731199.2011.618134
    By using a pair of tweezers to generate the intense optical vortices within the PANDA ring resonator, the required molecules (drug volumes) can be trapped and moved dynamically within the molecular bus networks, in which the required diagnosis or drug delivery targets can be performed within the network. The advantage of the proposed system is that the proposed diagnostic method can perform within the tiny system (thin film device or circuit), which can be available for a human embedded device for diagnostic use. The channel spacing of the trapped volumes (molecules) within the bus molecular networks can be provided.
    Matched MeSH terms: Drug Delivery Systems/instrumentation; Drug Delivery Systems/methods*
  12. Fulltext Embedded nanomicro syringe on chip for molecular therapy
    Jalil MA, Suwanpayak N, Kulsirirat K, Suttirak S, Ali J, Yupapin PP
    Int J Nanomedicine, 2011;6:2925-32.
    PMID: 22131837 DOI: 10.2147/IJN.S26266
    A novel nanomicro syringe system was proposed for drug storage and delivery using a PANDA ring resonator and atomic buffer. A PANDA ring is a modified optical add/drop filter, named after the well known Chinese bear. In principle, the molecule/drug is trapped by the force generated by different combinations of gradient fields and scattering photons within the PANDA ring. A nanomicro needle system can be formed by optical vortices in the liquid core waveguide which can be embedded on a chip, and can be used for long-term treatment. By using intense optical vortices, the required genes/molecules can be trapped and transported dynamically to the intended destinations via the nanomicro syringe, which is available for drug delivery to target tissues, in particular tumors. The advantage of the proposed system is that by confining the treatment area, the effect can be decreased. The use of different optical vortices for therapeutic efficiency is also discussed.
    Matched MeSH terms: Drug Delivery Systems/instrumentation*; Drug Delivery Systems/methods
  13. Drug-eluting balloons: future potential indications and applications
    Choo GH
    EuroIntervention, 2011 May;7 Suppl K:K112-8.
    PMID: 22027720 DOI: 10.4244/EIJV7SKA19
    The drug-eluting balloon (DEB) is an exciting new technology that holds much promise. As an evolving technology undergoing intensive research, the device is being constantly refined and its numerous potential applications studied. Though initially created to fulfil specific needs in the coronary vasculature, there is great potential for its use in other vascular territories and structures including the management of valvular, congenital heart and neuro-interventional pathologies. In addition, the application of this device in conjunction with other existing technologies may enhance the clinical results.
    Matched MeSH terms: Drug Delivery Systems/instrumentation*; Drug Delivery Systems/trends
  14. Bacterial cellulose/acrylamide pH-sensitive smart hydrogel: development, characterization, and toxicity studies in ICR mice model
    Pandey M, Mohamad N, Amin MC
    Mol Pharm, 2014 Oct 6;11(10):3596-608.
    PMID: 25157890 DOI: 10.1021/mp500337r
    The objective of this study is to synthesize and evaluate acute toxicity of the bacterial cellulose (BC)/acrylamide (Am) hydrogels as noncytotoxic and biocompatible oral drug delivery vehicles. A novel series of solubilized BC/Am hydrogels were synthesized using a microwave irradiation method. The hydrogels were characterized by Fourier transform infrared spectroscopy (FTIR), swelling ratio, porosity, drug release, and in vitro and in vivo biocompatibility experiments. FTIR spectra revealed that the BC crystallinity and gel fraction decreased as the NaOH concentration increased from 2% to 10% w/v, whereas the optical transparency, pH sensitivity, and porosity were enhanced with increasing alkali concentration. Theophylline was used as a model drug for drug loading and release studies. The percentage of drug released was higher at pH 7.4 compared to pH 1.5. In vitro cytotoxicity and hemolytic tests indicated that the BC/Am hydrogel is noncytotoxic and hemocompatible. Results of acute oral toxicity tests on ICR mice suggested that the hydrogels are nontoxic up to 2000 mg/kg when administered orally, as no toxic response or histopathological changes were observed in comparison to control mice. The results of this study demonstrated that the pH-sensitive smart hydrogel makes it a possible safe carrier for oral drug delivery.
    Matched MeSH terms: Drug Delivery Systems/adverse effects; Drug Delivery Systems/methods*
  15. Expanding the applications of microneedles in dermatology
    Sabri AH, Ogilvie J, Abdulhamid K, Shpadaruk V, McKenna J, Segal J, et al.
    Eur J Pharm Biopharm, 2019 Jul;140:121-140.
    PMID: 31059780 DOI: 10.1016/j.ejpb.2019.05.001
    Since the first patent for microneedles was filed in the 1970s, research on utilising microneedles as a drug delivery system has progressed significantly. In addition to the extensive research on microneedles for improving transdermal drug delivery, there is a growing interest in using these devices to manage dermatological conditions. This review aims to provide the background on microneedles, the clinical benefits, and challenges of the device along with the potential dermatological conditions that may benefit from the application of such a drug delivery system. The first part of the review provides an outline on benefits and challenges of translating microneedle-based drug delivery systems into clinical practice. The second part of the review covers the application of microneedles in treating dermatological conditions. The efficacy of microneedles along with the limitations of such a strategy to treat diseased skin shall be addressed.
    Matched MeSH terms: Drug Delivery Systems/instrumentation*; Drug Delivery Systems/methods
  16. Agrowaste-based nanofibers as a probiotic encapsulant: fabrication and characterization
    Fung WY, Yuen KH, Liong MT
    J Agric Food Chem, 2011 Aug 10;59(15):8140-7.
    PMID: 21711050 DOI: 10.1021/jf2009342
    This study explored the potential of soluble dietary fiber (SDF) from agrowastes, okara (soybean solid waste), oil palm trunk (OPT), and oil palm frond (OPF) obtained via alkali treatment, in the nanoencapsulation of Lactobacillus acidophilus . SDF solutions were amended with 8% poly(vinyl alcohol) to produce nanofibers using electrospinning technology. The spinning solution made from okara had a higher pH value at 5.39 ± 0.01 and a higher viscosity at 578.00 ± 11.02 mPa·s (P < 0.05), which resulted in finer fibers. FTIR spectra of nanofibers showed the presence of hemicellulose material in the SDF. Thermal behavior of nanofibers suggested possible thermal protection of probiotics in heat-processed foods. L. acidophilus was incorporated into the spinning solution to produce nanofiber-encapsulated probiotic, measuring 229-703 nm, visible under fluorescence microscopy. Viability studies showed good bacterial survivability of 78.6-90% under electrospinning conditions and retained viability at refrigeration temperature during the 21 day storage study.
    Matched MeSH terms: Drug Delivery Systems/instrumentation*; Drug Delivery Systems/methods
  17. Nanocarriers and their Actions to Improve Skin Permeability and Transdermal Drug Delivery
    Khan NR, Harun MS, Nawaz A, Harjoh N, Wong TW
    Curr Pharm Des, 2015;21(20):2848-66.
    PMID: 25925113
    Transdermal drug delivery is impeded by the natural barrier of epidermis namely stratum corneum. This limits the route to transport of drugs with a log octanol-water partition coefficient of 1 to 3, molecular weight of less than 500 Da and melting point of less than 200°C. Nanotechnology has received widespread investigation as nanocarriers are deemed to be able to fluidize the stratum corneum as a function of size, shape, surface charges, and hydrophilicity-hydrophobicity balance, while delivering drugs across the skin barrier. This review provides an overview and update on the latest designs of liposomes, ethosomes, transfersomes, niosomes, magnetosomes, oilin- water nanoemulsions, water-in-oil nanoemulsions, bicontinuous nanoemulsions, covalently crosslinked polysaccharide nanoparticles, ionically crosslinked polysaccharide nanoparticles, polyelectrolyte coacervated nanoparticles and hydrophobically modified polysaccharide nanoparticles with respect to their ability to fuse or fluidize lipid/protein/tight junction regimes of skin, and effect changes in skin permeability and drug flux. Universal relationships of nanocarrier size, zeta potential and chemical composition on transdermal permeation characteristics of drugs will be developed and discussed.
    Matched MeSH terms: Drug Delivery Systems/instrumentation; Drug Delivery Systems/methods
  18. Emerging Trends On Drug Delivery Strategy of Momordica charantia against Diabetes and its Complications
    Thent ZC, Das S, Zaidun NH
    Curr Drug Deliv, 2018;15(4):453-460.
    PMID: 28545355 DOI: 10.2174/1567201814666170525122224
    BACKGROUND: The incidence of diabetes mellitus has increased drastically over the past few decades. This oxidant-antioxidant imbalance resulting in complication of diabetes mellitus includes macro- and microvascular complications. Resistance to conventional treatment and patient compliance has paved the way to the usage of effective natural products and supplements. Momordica charantia (bitter gourd) is widely consumed in many parts of Malaysia as a vegetable. Momordica charantia (MC) is mainly used in the management of diabetes mellitus.

    OBJECTIVE: The present review discusses the literature concerning the antidiabetic and antioxidant properties of MC focusing on the complication of diabetes mellitus along with its mode of delivery. We found that among the whole part of MC, its fruit extract has been widely studied, therapeutically. The evidence based analysis of the beneficiary effects of MC on the different organs involved in diabetes complication is also highlighted. This review elucidated an essential understanding of MC based drug delivery system in both clinical and experimental studies and appraised the great potential of the protein based MC extract against diabetes mellitus.

    CONCLUSION: The review paper is believed to assist the researchers and medical personnel in treating diabetic associated complications.

    Matched MeSH terms: Drug Delivery Systems/methods*; Drug Delivery Systems/trends
  19. Nano-formulations of drugs: Recent developments, impact and challenges
    Jeevanandam J, Chan YS, Danquah MK
    Biochimie, 2016 Sep-Oct;128-129:99-112.
    PMID: 27436182 DOI: 10.1016/j.biochi.2016.07.008
    Nano-formulations of medicinal drugs have attracted the interest of many researchers for drug delivery applications. These nano-formulations enhance the properties of conventional drugs and are specific to the targeted delivery site. Dendrimers, polymeric nanoparticles, liposomes, nano-emulsions and micelles are some of the nano-formulations that are gaining prominence in pharmaceutical industry for enhanced drug formulation. Wide varieties of synthesis methods are available for the preparation of nano-formulations to deliver drugs in biological system. The choice of synthesis methods depend on the size and shape of particulate formulation, biochemical properties of drug, and the targeted site. This article discusses recent developments in nano-formulation and the progressive impact on pharmaceutical research and industries. Additionally, process challenges relating to consistent generation of nano-formulations for drug delivery are discussed.
    Matched MeSH terms: Drug Delivery Systems/methods*; Drug Delivery Systems/trends
  20. Recent Updates on Novel Approaches in Insulin Drug Delivery: A Review of Challenges and Pharmaceutical Implications
    Pandey M, Choudhury H, Yi CX, Mun CW, Phing GK, Rou GX, et al.
    Curr Drug Targets, 2018;19(15):1782-1800.
    PMID: 29792143 DOI: 10.2174/1389450119666180523092100
    Diabetes mellitus, a metabolic disorder of glucose metabolism, is mainly associated with insulin resistance to the body cells, or impaired production of insulin by the pancreatic β-cells. Insulin is mainly required to regulate glucose metabolism in type 1 diabetes mellitus patients; however, many patients with type 2 diabetes mellitus also require insulin, especially when their condition cannot be controlled solely by oral hypoglycemic agents. Hence, major research is ongoing attempting to improve the delivery of insulin in order to make it more convenient to patients who experience side effects from the conventional treatment procedure or non-adherence to insulin regimen due to multiple comorbid conditions. Conventionally, insulin is administered via subcutaneous route which is also one of the sole reasons of patient's non-compliance due to the invasiveness of this method. Several attempts have been done to improve patient compliance, reduce side effects, improve delivery adherence, and to enhance the pharmaceutical performance of the insulin therapy. Despite facing substantial challenges in developing efficient delivery systems for insulin, vast research studies have been carried out for the development of smart delivery systems to deliver insulin via ocular, buccal, pulmonary, oral, transdermal, as well as rectal routes. Therefore, the present review was aimed to overview the challenges encountered with the current insulin delivery systems and to summarize recent advancements in technology of various novel insulin delivery systems being discovered and introduced in the current market.
    Matched MeSH terms: Drug Delivery Systems/instrumentation; Drug Delivery Systems/methods*
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