Displaying publications 1 - 20 of 33 in total

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  1. Abeer MM, Mohd Amin MC, Martin C
    J Pharm Pharmacol, 2014 Aug;66(8):1047-61.
    PMID: 24628270 DOI: 10.1111/jphp.12234
    The field of pharmaceutical technology is expanding rapidly because of the increasing number of drug delivery options. Successful drug delivery is influenced by multiple factors, one of which is the appropriate identification of materials for research and engineering of new drug delivery systems. Bacterial cellulose (BC) is one such biopolymer that fulfils the criteria for consideration as a drug delivery material.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage
  2. Balan S, Hassali MA, Mak VSL
    Res Social Adm Pharm, 2017 Nov;13(6):1219-1221.
    PMID: 28576615 DOI: 10.1016/j.sapharm.2017.05.013
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage
  3. Balan S, Hassali MA, Mak VSL
    Res Social Adm Pharm, 2017 May-Jun;13(3):653-655.
    PMID: 27493130 DOI: 10.1016/j.sapharm.2016.06.014
    The pediatric population is an enormously diverse segment of population varying both in size and age. The diversity caused pharmacists face various challenges primarily related to procuring, provision as well as use of drugs in this group of patients. Pediatric dose calculation is particularly a concern for pharmacists. Another challenge faced by pharmacists is unavailability of suitable formulations for pediatric use. This has also led many pharmacists to prepare extemporaneous liquid preparations, even though stability data on such preparations are scarce. Some extemporaneous preparations contain excipients which are potentially harmful in children. Besides that, inadequate labeling and drug information for pediatric drug use had not only challenged pharmacists in recommending and optimizing drug use in children, but also inadvertently caused many drugs used outside the approved terms of the product license (off-label use). Pharmacists are striving to stay connected to overcome the common and comparable challenges faced in their day to day duties and strive to maximize the safe and effective use of medicines for children.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  4. Barahuie F, Hussein MZ, Fakurazi S, Zainal Z
    Int J Mol Sci, 2014;15(5):7750-86.
    PMID: 24802876 DOI: 10.3390/ijms15057750
    Layered hydroxides (LHs) have recently fascinated researchers due to their wide application in various fields. These inorganic nanoparticles, with excellent features as nanocarriers in drug delivery systems, have the potential to play an important role in healthcare. Owing to their outstanding ion-exchange capacity, many organic pharmaceutical drugs have been intercalated into the interlayer galleries of LHs and, consequently, novel nanodrugs or smart drugs may revolutionize in the treatment of diseases. Layered hydroxides, as green nanoreservoirs with sustained drug release and cell targeting properties hold great promise of improving health and prolonging life.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  5. Chan HK, Hassali MA, Lim CJ, Saleem F, Tan WL
    J Clin Pharm Ther, 2015 Jun;40(3):266-72.
    PMID: 25865563 DOI: 10.1111/jcpt.12272
    WHAT IS KNOWN AND OBJECTIVE: It has been reported that more than 80% of out-of-hospital medication errors among the young children involve liquid formulations. The usefulness of pictorial aids to improve communication of medication instructions has not been extensively investigated for child health. The objective of this study was to determine the effectiveness of pictorial aids used to assist caregivers in the administration of liquid medications.
    METHODS: MEDLINE, CINAHL, PsycINFO, ScienceDirect, Scopus and the Cochrane Library were searched for articles published up to February 2015. Studies that used pictorial aids with liquid medications and measured at least one of the following outcomes were included: dosing accuracy, comprehension of medication instructions, recall of information and adherence of caregivers. Two authors independently selected studies, extracted data and assessed methodological quality of studies using the Cochrane Collaboration's tool.
    RESULTS AND DISCUSSION: Five experimental studies (four hospital based and one community based) with a total of 962 participants were included. A wide range of liquid formulations were studied, including both prescription and over-the-counter medications. The existing findings suggest that pictographic interventions reduced dosing errors, enhanced comprehension and recall of medication instructions and improved adherence of caregivers. Incorporating pictorial aids into verbal medication counselling or text-based instructions was more beneficial than using the single approach alone. Mixed results were identified for the relationship between health literacy of caregivers and effectiveness of pictorial aids.
    WHAT IS NEW AND CONCLUSION: The evidence remains limited due to the small number of studies found and variations in methodological quality. This review suggests that pictorial aids might be potential interventions, but more high-quality studies are needed to support the routine use of any pictogram-based materials with liquid medications in the clinical settings.
    KEYWORDS: caregivers; graphics; health literacy; medication adherence; medication errors; paediatrics
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  6. Choudhury H, Gorain B, Pandey M, Chatterjee LA, Sengupta P, Das A, et al.
    J Pharm Sci, 2017 07;106(7):1736-1751.
    PMID: 28412398 DOI: 10.1016/j.xphs.2017.03.042
    Being an emerging transdermal delivery tool, nanoemulgel, has proved to show surprising upshots for the lipophilic drugs over other formulations. This lipophilic nature of majority of the newer drugs developed in this modern era resulting in poor oral bioavailability, erratic absorption, and pharmacokinetic variations. Therefore, this novel transdermal delivery system has been proved to be advantageous over other oral and topical drug delivery to avoid such disturbances. These nanoemulgels are basically oil-in-water nanoemulsions gelled with the use of some gelling agent in it. This gel phase in the formulation is nongreasy, which favors user compliance and stabilizes the formulation through reduction in surface as well as interfacial tension. Simultaneously, it can be targeted more specifically to the site of action and can avoid first-pass metabolism and relieve the user from gastric/systemic incompatibilities. This brief review is focused on nanoemulgel as a better topical drug delivery system including its components screening, formulation method, and recent pharmacokinetic and pharmacodynamic advancement in research studies carried out by the scientists all over the world. Therefore, at the end of this survey it could be inferred that nanoemulgel can be a better and effective drug delivery tool for the topical system.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  7. Choudhury H, Gorain B, Chatterjee B, Mandal UK, Sengupta P, Tekade RK
    Curr Pharm Des, 2017;23(17):2504-2531.
    PMID: 27908273 DOI: 10.2174/1381612822666161201143600
    BACKGROUND: Most of the active pharmaceutical ingredients discovered recently in pharmaceutical field exhibits poor aqueous solubility that pose major problem in their oral administration. The oral administration of these drugs gets further complicated due to their short bioavailability, inconsistent absorption and inter/intra subject variability.

    METHODS: Pharmaceutical emulsion holds a significant place as a primary choice of oral drug delivery system for lipophilic drugs used in pediatric and geriatric patients. Pharmacokinetic studies on nanoemulsion mediated drugs delivery approach indicates practical feasibility in regards to their clinical translation and commercialization.

    RESULTS: This review article is to provide an updated understanding on pharmacokinetic and pharmacodynamic features of nanoemulsion delivered via oral, intravenous, topical and nasal route.

    CONCLUSION: The article is of huge interest to formulation scientists working on range of lipophilic drug molecules intended to be administered through oral, intravenous, topical and nasal routes for vivid medical benefits.

    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  8. Chua SS, Tea MH, Rahman MH
    J Clin Pharm Ther, 2009 Apr;34(2):215-23.
    PMID: 19250142 DOI: 10.1111/j.1365-2710.2008.00997.x
    Drug administration errors were the second most frequent type of medication errors, after prescribing errors but the latter were often intercepted hence, administration errors were more probably to reach the patients. Therefore, this study was conducted to determine the frequency and types of drug administration errors in a Malaysian hospital ward.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  9. Dhabali AA, Awang R, Zyoud SH
    Int J Clin Pharmacol Ther, 2011 Aug;49(8):500-9.
    PMID: 21781650 DOI: 10.5414/cp201524
    BACKGROUND: The prescription of contraindicated drugs is a preventable medication error, which can cause morbidity and mortality. Recent data on the factors associated with drug contraindications (DCIs) is limited world-wide, especially in Malaysia.

    AIMS: The objectives of this study are 1) to quantify the prevalence of DCIs in a primary care setting at a Malaysian University; 2) to identify patient characteristics associated with increased DCI episodes, and 3) to identify associated factors for these DCIs.

    METHODS: We retrospectively collected data from 1 academic year using computerized databases at the Universiti Sains Malaysia (USM) from patients of USM's primary care. Descriptive and comparative statistics were used to characterize DCIs.

    RESULTS: There were 1,317 DCIs during the study period. These were observed in a cohort of 923 patients, out of a total of 17,288 patients, representing 5,339 DCIs per 100,000 patients, or 5.3% of all patients over a 1-year period. Of the 923 exposed patients, 745 (80.7%) were exposed to 1 DCI event, 92 (10%) to 2 DCI events, 35 (3.8%) to 3 DCI events, 18 (2%) to 4 DCI events, and 33 patients (3.6%) were exposed to 5 or more DCI events. The average age of the exposed patients was 30.7 ± 15 y, and 51.5% were male. Multivariate logistic regression analysis revealed that being male (OR = 1.3; 95% CI = 1.1 - 1.5; p < 0.001), being a member of the staff (OR = 3; 95% CI = 2.5 - 3.7; p < 0.001), having 4 or more prescribers (OR = 2.8; 95% CI = 2.2 - 3.6; p < 0.001), and having 4 or more longterm therapeutic groups (OR = 2.3; 95%CI = 1.7 - 3.1; p < 0.001), were significantly associated with increased chance of exposure to DCIs.

    DISCUSSION AND CONCLUSIONS: This is the first study in Malaysia that presents data on the prevalence of DCIs. The prescription of contraindicated drugs was found to be frequent in this primary care setting. Exposure to DCI events was associated with specific socio-demographic and health status factors. Further research is needed to evaluate the relationship between health outcomes and the exposure to DCIs.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  10. Haque ST, Chowdhury EH
    Curr Drug Deliv, 2018;15(4):485-496.
    PMID: 29165073 DOI: 10.2174/1567201814666171120114034
    BACKGROUND: Delivery of conventional small molecule drugs and currently evolving nucleic acid-based therapeutics, such as small interfering RNAs (siRNAs) and genes, and contrast agents for high resolution imaging, to the target site of action is highly demanding to increase the therapeutic and imaging efficacy while minimizing the off-target effects of the delivered molecules, as well as develop novel therapeutic and imaging approaches.

    METHODS: We have undertaken a structured search for peer-reviewed research and review articles predominantly indexed in PubMed focusing on the organic-inorganic hybrid nanoparticles with evidence of their potent roles in intracellular delivery of therapeutic and imaging agents in different animal models.

    RESULTS: Organic-inorganic hybrid nanoparticles offer a number of advantages by combining the unique properties of the organic and inorganic counterparts, thus improving the pharmacokinetic behavior and targetability of drugs and contrast agents, and conferring the exclusive optical and magnetic properties for both therapeutic and imaging purposes. Different polymers, lipids, dendrimers, peptides, cell membranes, and small organic molecules are attached via covalent or non-covalent interactions with diverse inorganic nanoparticles of gold, mesoporous silica, magnetic iron oxide, carbon nanotubes and quantum dots for efficient drug delivery and imaging purposes.

    CONCLUSION: We have thus highlighted here the progress made so far in utilizing different organicinorganic hybrid nanoparticles for in vivo delivery of anti-cancer drugs, siRNA, genes and imaging agents.

    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  11. Hassan Y, Al-Ramahi RJ, Aziz NA, Ghazali R
    Ann Pharmacother, 2009 Oct;43(10):1598-605.
    PMID: 19776297 DOI: 10.1345/aph.1M187
    Appropriate drug selection and dosing for patients with chronic kidney disease (CKD) is important to avoid unwanted drug effects and ensure optimal patient outcomes.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  12. Heidarpour F, Mohammadabadi MR, Zaidul IS, Maherani B, Saari N, Hamid AA, et al.
    Pharmazie, 2011 May;66(5):319-24.
    PMID: 21699064
    The oral route is considered the most patient-convenient means of drug administration. In recent years there has been a tendency to employ smart carrier systems that enable controlled or timed release of a bioactive material, thereby providing a better dosing pattern and minimizing side effects. Nano-encapsulation systems (nanocarriers) offer important advantages over conventional drug delivery techniques. Nanocarriers can protect the drug from chemical/enzymatic degradation and enhance bioavailability. Prebiotics are ideal ingredients for the nano-encapsulation and oral drug delivery due to their natural ability to protect the encapsulated compound in the upper gasterointestinal (GI) tract. Here the potential of prebiotics for oral delivery of drugs and other bioactives is reviewed.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  13. Ibrahim IR, Ibrahim MI, Al-Haddad MS
    Int J Clin Pharm, 2012 Oct;34(5):728-32.
    PMID: 22744843 DOI: 10.1007/s11096-012-9667-6
    BACKGROUND: Beyond the direct pharmacological effect of medicines, preferences and perceptions toward a particular oral solid dosage form (OSDF) play a crucial role in recovery and may reduce adherence to the prescribed treatment.

    OBJECTIVES: This study conducted to investigate the most preferred OSDF and the degree to which swallowing solid medication is an issue, to assess perceptions of the therapeutic benefits of the OSDF, and to find predictors of the most preferred OSDF.

    METHOD: A cross-sectional study, through convenience sample method, was conducted to survey consumers visiting community pharmacies in Baghdad, Iraq. Data was collected by self-administered and pre-piloted questionnaires, and analyzed using Statistical Package for Social Science. Multiple logistic regression analysis and Chi-square tests were used at alpha level = 0.05.

    RESULTS: A total of 1,000 questionnaire were included in the analysis. Of all respondents, 52.9 % preferred capsule among other OSDF and this preference varied significantly with a number of socio-demographic factors. Ease of swallowing solid medication was the main issue which resulted in preferences for a particular form. A negative perception of the therapeutic benefits of the OSDF was found among 89.1 % of the consumers. Multiple logistic regression analysis indicated that gender, ease of swallowing, and perceptions of the therapeutic benefits of the OSDF were significant predictors of capsule preferences.

    CONCLUSIONS: Given the fact that consumers are the end users of medicines and their preferences may influence response to the treatment, efforts are worthwhile by the prescribers and medicines' manufactures to understand consumers' preferences of a particular dosage form in order to achieve successful therapy outcomes.

    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  14. 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: Pharmaceutical Preparations/administration & dosage*
  15. Jose J, Chong D, Lynn TS, Jye GE, Jimmy B
    Int J Pharm Pract, 2011 Aug;19(4):246-52.
    PMID: 21733012 DOI: 10.1111/j.2042-7174.2011.00113.x
    The aim of the study was to explore, in the Malaysian general population: knowledge and beliefs of the characteristics in general of medication-related side effects and side effects associated with different types of medicines; behaviour related to the safe use of drugs before and after taking a medication; and behaviour in the event of a medication-related side effect.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage
  16. 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: Pharmaceutical Preparations/administration & dosage*
  17. Kumar H, Mishra G, Sharma AK, Gothwal A, Kesharwani P, Gupta U
    Pharm Nanotechnol, 2017;5(3):203-214.
    PMID: 28521670 DOI: 10.2174/2211738505666170515113936
    BACKGROUND: The convoluted pathophysiology of brain disorders along with penetration issue of drugs to brain represents major hurdle that requires some novel therapies. The blood-brain barrier (BBB) denotes a rigid barrier for delivery of therapeutics in vivo; to overcome this barrier, intranasal delivery is an excellent strategy to deliver the drug directly to brain via olfactory and trigeminal nerve pathways that originate as olfactory neuro-epithelium in the nasal cavity and terminate in brain.

    METHOD: Kind of therapeutics like low molecular weight drugs can be delivered to the CNS via this route. In this review, we have outlined the anatomy and physiological aspect of nasal mucosa, certain hurdles, various strategies including importance of muco-adhesive polymers to increase the drug delivery and possible clinical prospects that partly contribute in intranasal drug delivery.

    RESULTS: Exhaustive literature survey related to intranasal drug delivery system revealed the new strategy that circumvents the BBB, based on non-invasive concept for treating various CNS disorders. Numerous advantages like prompt effects, self-medication through wide-ranging devices, and the frequent as well protracted dosing are associated with this novel route.

    CONCLUSION: Recently few reports have proven that nasal to brain drug delivery system bypasses the BBB. This novel route is associated with targeting efficiency and less exposure of therapeutic substances to non-target site. Nevertheless, this route desires much more research into the safe transferring of therapeutics to the brain. Role of muco-adhesive polymer and surface modification with specific ligands are area of interest of researcher to explore more about this.

    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  18. Lim CP, Quek SS, Peh KK
    J Pharm Biomed Anal, 2003 Feb 05;31(1):159-68.
    PMID: 12560060
    This paper investigates the use of a neural-network-based intelligent learning system for the prediction of drug release profiles. An experimental study in transdermal iontophoresis (TI) is employed to evaluate the applicability of a particular neural network (NN) model, i.e. the Gaussian mixture model (GMM), in modeling and predicting drug release profiles. A number of tests are systematically designed using the face-centered central composite design (CCD) approach to examine the effects of various process variables simultaneously during the iontophoresis process. The GMM is then applied to model and predict the drug release profiles based on the data samples collected from the experiments. The GMM results are compared with those from multiple regression models. In addition, the bootstrap method is used to assess the reliability of the network predictions by estimating confidence intervals associated with the results. The results demonstrate that the combination of the face-centered CCD and GMM can be employed as a useful intelligent tool for the prediction of time-series profiles in pharmaceutical and biomedical experiments.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  19. Patnaik S, Gorain B, Padhi S, Choudhury H, Gabr GA, Md S, et al.
    Eur J Pharm Biopharm, 2021 Apr;161:100-119.
    PMID: 33639254 DOI: 10.1016/j.ejpb.2021.02.010
    Potential research outcomes on nanotechnology-based novel drug delivery systems since the past few decades attracted the attention of the researchers to overcome the limitations of conventional deliveries. Apart from possessing enhanced solubility of poorly water-soluble drugs, the targeting potential of the carriers facilitates longer circulation and site-specific delivery of the entrapped therapeutics. The practice of these delivery systems, therefore, helps in maximizing bioavailability, improving pharmacokinetics profile, pharmacodynamics activity and biodistribution of the entrapped drug(s). In addition to focusing on the positive side, evaluation of nanoparticulate systems for toxicity is a crucial parameter for its biomedical applications. Due to the size of nanoparticles, they easily traverse through biological barriers and may be accumulated in the body, where the ingredients incorporated in the formulation development might accumulate and/or produce toxic manifestation, leading to cause severe health hazards. Therefore, the toxic profile of these delivery systems needs to be evaluated at the molecular, cellular, tissue and organ level. This review offers a comprehensive presentation of toxicity aspects of the constituents of nanoparticular based drug delivery systems, which would be beneficial for future researchers to develop nanoparticulate delivery vehicles for the improvement of delivery approaches in a safer way.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage*
  20. Patra JK, Das G, Fraceto LF, Campos EVR, Rodriguez-Torres MDP, Acosta-Torres LS, et al.
    J Nanobiotechnology, 2018 Sep 19;16(1):71.
    PMID: 30231877 DOI: 10.1186/s12951-018-0392-8
    Nanomedicine and nano delivery systems are a relatively new but rapidly developing science where materials in the nanoscale range are employed to serve as means of diagnostic tools or to deliver therapeutic agents to specific targeted sites in a controlled manner. Nanotechnology offers multiple benefits in treating chronic human diseases by site-specific, and target-oriented delivery of precise medicines. Recently, there are a number of outstanding applications of the nanomedicine (chemotherapeutic agents, biological agents, immunotherapeutic agents etc.) in the treatment of various diseases. The current review, presents an updated summary of recent advances in the field of nanomedicines and nano based drug delivery systems through comprehensive scrutiny of the discovery and application of nanomaterials in improving both the efficacy of novel and old drugs (e.g., natural products) and selective diagnosis through disease marker molecules. The opportunities and challenges of nanomedicines in drug delivery from synthetic/natural sources to their clinical applications are also discussed. In addition, we have included information regarding the trends and perspectives in nanomedicine area.
    Matched MeSH terms: Pharmaceutical Preparations/administration & dosage
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