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Clinical Drug studies

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https://www.readbyqxmd.com/read/29458132/therapeutic-drug-monitoring-in-treatment-experienced-hiv-infected-patients-receiving-darunavir-based-salvage-regimens-a-case-series
#1
Sébastien Landry, Chi-Nan Chen, Nimish Patel, Alice Tseng, Richard G Lalonde, Denis Thibeault, Steven Sanche, Nancy L Sheehan
Therapeutic drug monitoring (TDM) constitutes a compelling approach for the optimization of antiretroviral therapy in treatment-experienced HIV-1 patients. While various inhibitory indices have been proposed to predict virologic outcome, there is a lack of consensus on the clinical value of TDM. Here, we report the comparative results of TDM in 14 HIV-1-infected patients who had previously received at least two different PI-based regimens and who initiated darunavir (DRV)-based salvage therapy. Pharmacokinetic/pharmacodynamics (PK/PD) parameters were calculated for each subject...
February 16, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29457968/in-vitro-and-in-vivo-effects-of-mk2206-and-chloroquine-combination-therapy-on-endometriosis-autophagy-may-be-required-for-regrowth-of-endometriosis
#2
Sachiko Matsuzaki, Jean-Luc Pouly, Michel Canis
BACKGROUND AND PURPOSE: A high recurrence rate after medical treatment is a major clinical problem for patients with endometriosis. In the present study, we evaluated the in vitro effects of combined treatment with MK2206 (an AKT inhibitor) + chloroquine on cell growth and regrowth of endometriotic stromal cells, and the in vivo effects on endometriotic implants in a mouse xenograft model of endometriosis. EXPERIMENTAL APPROACH: We evaluated the effects of autophagy inhibition by knockdown of the ATG13, Beclin-1, and ATG12 genes and pharmacologic agents (chloroquine, bafilomycin A1, or 3-methyalanine) individually and in combination with MK2206 on cell growth and/or cell regrowth of endometriotic stromal cells in vitro...
February 19, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29457931/synthesis-and-characterization-of-nanodiamond-growth-factor-complexes-towards-applications-in-oral-implantation-and-regenerative-medicine
#3
Julie Bang, Caleb Ting, Peter Wang, Ted Kim, Kenneth Wang, Theodore Kee, Darron Miya, Dean Ho, Dong-Keun Lee
Current challenges in the field of regenerative medicine include the need to deliver sustained concentrations of growth factors and genes that are required to induce the repair of deficient tissues. Enhancement of drug delivery and uptake may result in improved growth factor efficacy. Nanodiamonds (NDs) were explored as potential growth factor delivery agents due to the many favorable properties that they possess. For example, ND's biocompatibility has been extensively validated pre-clinically. In addition, they can be scalably produced through impact events such as detonation...
February 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29457840/population-pharmacokinetics-and-pharmacogenomics-of-apixaban-in-japanese-adult-patients-with-atrial-fibrillation
#4
Satoshi Ueshima, Daiki Hira, Yuuma Kimura, Ryo Fujii, Chiho Tomitsuka, Takuya Yamane, Yohei Tabuchi, Tomoya Ozawa, Hideki Itoh, Seiko Ohno, Minoru Horie, Tomohiro Terada, Toshiya Katsura
AIMS: This study aimed to analyse the effects of genetic polymorphisms in drug transporters and metabolising enzymes, and clinical laboratory data on the pharmacokinetic parameters of apixaban. METHODS: Data were collected from 81 Japanese patients with atrial fibrillation. Pharmacogenomic data were stratified by ABCB1, ABCG2, and CYP3A5 polymorphisms. The pharmacokinetic profile of apixaban was described by a one-compartment model with first-order absorption. Population pharmacokinetic analysis was conducted using non-linear mixed effect modelling (NONMEM™) program...
February 19, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29457668/the-relationships-between-depression-neuroticism-and-attitudes-nda-model-in-heroin-abusers-in-taiwan
#5
Kun-Hua Lee, Cheng-Fang Yen
BACKGROUND AND OBJECTIVES: Heroin use is a severe problem worldwide. To develop more effective treatments for heroin abusers, a comprehensive psychosocial model of heroin use should be established and examined. We created and assessed a neuroticism, depression, attitudes, and heroin addiction (NDA) model. METHODS: In this cross-sectional study, 234 patients undergoing methadone replacement treatment were recruited from psychiatric clinics. We used Structural Equation Modeling (SEM) to assess all for neuroticism, depression, and a positive outcome expectancy (POE) (attitudes)...
February 19, 2018: American Journal on Addictions
https://www.readbyqxmd.com/read/29457630/combination-drug-delivery-via-multilamellar-vesicles-enables-targeting-of-tumor-cells-and-tumor-vasculature
#6
Yarong Liu, Yu Jeong Kim, Natnaree Siriwon, Jennifer A Rohrs, Zhiqiang Yu, Pin Wang
Blood vessel development is critical for the continued growth and progression of solid tumors and, therefore, makes an attractive target for improving cancer therapy. Indeed, vascular-targeted therapies have been extensively explored but they have shown minimal efficacy as monotherapies. Combretastatin A4 (CA-4) is a tubulin-binding vascular disrupting agent that selectively targets the established tumor endothelium, causing rapid vascular beak down. Despite its potent anticancer potential, the drug has dose-limiting side effects, particularly in the form of cardiovascular toxicity...
February 19, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29457627/combination-pharmacotherapy-for-the-treatment-of-fibromyalgia-in-adults
#7
REVIEW
Joelle Thorpe, Bonnie Shum, R Andrew Moore, Philip J Wiffen, Ian Gilron
BACKGROUND: Fibromyalgia is a chronic widespread pain condition affecting millions of people worldwide. Current pharmacotherapies are often ineffective and poorly tolerated. Combining different agents could provide superior pain relief and possibly also fewer side effects. OBJECTIVES: To assess the efficacy, safety, and tolerability of combination pharmacotherapy compared to monotherapy or placebo, or both, for the treatment of fibromyalgia pain in adults. SEARCH METHODS: We searched CENTRAL, MEDLINE, and Embase to September 2017...
February 19, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29457585/training-nurses-in-a-competency-framework-to-support-adults-with-epilepsy-and-intellectual-disability-the-epaid-cluster-rct
#8
Howard Ring, James Howlett, Mark Pennington, Christopher Smith, Marcus Redley, Caroline Murphy, Roxanne Hook, Adam Platt, Nakita Gilbert, Elizabeth Jones, Joanna Kelly, Angela Pullen, Adrian Mander, Cam Donaldson, Simon Rowe, James Wason, Fiona Irvine
BACKGROUND: People with an intellectual (learning) disability (ID) and epilepsy have an increased seizure frequency, higher frequencies of multiple antiepileptic drug (AED) use and side effects, higher treatment costs, higher mortality rates and more behavioural problems than the rest of the population with epilepsy. The introduction of nurse-led care may lead to improvements in outcome for those with an ID and epilepsy; however, this has not been tested in a definitive clinical trial...
February 2018: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/29457491/critical-care-pharmacists-and-medication-management-in-an-icu-recovery-center
#9
Joanna L Stollings, Sarah L Bloom, Li Wang, E Wesley Ely, James C Jackson, Carla M Sevin
BACKGROUND: Many patients experience complications following critical illness; these are now widely referred to as post-intensive care syndrome (PICS). An interprofessional intensive care unit (ICU) recovery center (ICU-RC), also known as a PICS clinic, is one potential approach to promoting patient and family recovery following critical illness. OBJECTIVES: To describe the role of an ICU-RC critical care pharmacist in identifying and treating medication-related problems among ICU survivors...
February 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29457278/zwitterionic-nanocages-overcome-the-efficacy-loss-of-biologic-drugs
#10
Bowen Li, Zhefan Yuan, Peng Zhang, Andrew Sinclair, Priyesh Jain, Kan Wu, Caroline Tsao, Jingyi Xie, Hsiang-Chieh Hung, Xiaojie Lin, Tao Bai, Shaoyi Jiang
For biotherapeutics that require multiple administrations to fully cure diseases, the induction of undesirable immune response is one common cause for the failure of their treatment. Covalent binding of hydrophilic polymers to proteins is commonly employed to mitigate potential immune responses. However, while this technique is proved to partially reduce the antibodies (Abs) reactive to proteins, it may induce Abs toward their associated polymers and thus result in the loss of efficacy. Zwitterionic poly(carboxybetaine) (PCB) is recently shown to improve the immunologic properties of proteins without inducing any antipolymer Abs against itself...
February 19, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29456981/prevalence-of-ctx-m-and-tem-%C3%AE-lactamases-in-klebsiella-pneumoniae-isolates-from-patients-with-urinary-tract-infection-al-zahra-hospital-isfahan-iran
#11
Nafiseh Maleki, Zahra Tahanasab, Sina Mobasherizadeh, Aliakbar Rezaei, Jamshid Faghri
Background: Extended-spectrum β-lactamase (ESBL)-producing is a significant resistant mechanism to β-lactams in Enterobacteriaceae , especially in Klebsiella pneumoniae . The main objectives of this study were to genetically characterize urinary clinical isolates of K. pneumoniae through the investigating of blaTEM , blaCTX-M and using molecular typing by Enterobacterial repetitive intergenic consensus polymerase chain reaction (ERIC-PCR) method. We also determined the frequency of antibiotic resistance of K...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29456736/-brucea-javanica-seed-oil-enhances-the-radiosensitivity-of-esophageal-cancer-by-inhibiting-hypoxia-inducible-factor-1%C3%AE-in-vitro-and-in-vivo
#12
Peng Pan, Bai-Xia Yang, Xiao-Lin Ge
Brucea javanica oil emulsion (BJOE) has been used clinically to treat esophageal cancer combined with radiotherapy for numerous years in China. However, the detailed mechanism remains unclear. Thus, the effects of BJOE on the radiosensitivity of esophageal squamous cell carcinoma (ESCC) were evaluated in vitro and in vivo . The growth inhibitory effects of different BJOE concentrations were determined through an MTT assay. Radiosensitivity was evaluated through focal formation measurements and clone formation assays...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456719/estrogen-receptor-%C3%AE-promoter-methylation-is-a-biomarker-for-outcome-prediction-of-cisplatin-resistance-in-triple-negative-breast-cancer
#13
Junnan Xu, Tao Sun, Xiangyu Guo, Yan Wang, Mingxi Jing
A number of previous studies have indicated the presence of a link between estrogen receptor-α (ERα) methylation and triple-negative breast cancer (TNBC). However, the association between ERα methylation and drug resistance during the treatment of TNBC remains unclear. Methylation-specific polymerase chain reaction was used to investigate the methylation of ERα in the genomic DNA of 35 patients with TNBC who were defined as cisplatin-based chemotherapy-resistant using chemosensitivity testing. Survival probabilities by covariates were assessed using Kaplan-Meier estimator survival analysis and Cox's proportional hazards models, adjusting for age, menopausal status, tumor size, lymph node metastasis and ERα promoter DNA methylation...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456713/-in-vitro-study-on-the-role-of-sox9-in-trastuzumab-resistance-of-adenocarcinoma-of-the-esophagogastric-junction
#14
Yingcai Hong, Huaisheng Chen, Zhanpeng Rao, Bin Peng, Hong Hu, Shaolin Lin, Zhenglei Xu
Trastuzumab is recommended for the treatment of human epidermal growth factor receptor 2-positive adenocarcinoma of the esophagogastric junction (AEG) in combination with chemotherapy; however, drug resistance has severely affected its clinical application. The present study aimed to investigate the effect of sex determining region Y-box 9 (SOX9), a prognostic marker in adjuvant oncological settings, on AEG cell proliferation and apoptosis in the presence or absence of trastuzumab. Furthermore, the molecular mechanism underlying the role of SOX9 in trastuzumab resistance was explored...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456634/limethason-reduces-airway-inflammation-in-a-murine-model-of-ovalbumin-induced-chronic-asthma-without-causing-side-effects
#15
Siyu Li, Zhiping Miao, Ye Tian, Haoyu Wang, Shuai Wang, Tianyuan He, Yue Yang, Peng Wang, Mengyao Ma, Tuanmin Yang, Tao Chen, Zhiyong Liu, Junhong Gao, Chu Chen, Airong Qian
Airway inflammation is the major pathological feature of asthma. Thus, the current therapeutic strategy for asthma is to control inflammation. Limethason, an anti-inflammation drug, is widely used in rheumatoid arthritis treatment. The aim of the present study was to detect the anti-inflammatory effect and side effects of limethason on airways that were sensitized with ovalbumin in a murine model of chronic asthma. In the present study, BALB/c mice were sensitized with ovalbumin. Airway hyperresponsiveness was estimated, and hematoxylin and eosin staining, Periodic acid-Schiff staining and bronchoalveolar lavage were used to detect the effect on chronic asthma...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456474/electrochemotherapy-in-breast-cancer-discussion-of-the-method-and-literature-review
#16
REVIEW
Mateusz Wichtowski, Dawid Murawa, Katarzyna Kulcenty, Karolina Zaleska
Breast cancer is the most common cause of skin metastases in women. The probability of their occurrence ranges from about 5% in the entire population to as much as 30% in the late stages of the disease. Although rarely life-threatening, they have a major impact on the quality of life of patients with this diagnosis, being the cause of pain, effusion, ulceration, infection, and psychological discomfort. Available methods of treatment, both local and systemic, often fail to provide adequate control of the disease...
December 2017: Breast Care
https://www.readbyqxmd.com/read/29456387/clinico-epidemiological-profile-of-pediatric-rheumatology-disorders-in-eastern-india
#17
Pratap Kumar Patra, Manish Kumar
Background: Data on rheumatological disorders in children from developing countries like India are scarce. Hence, this study aimed to understand the clinical and epidemiological profile of rheumatological disorders in children as this can help organize comprehensive evidence-based health care services. Methodology: A retrospective hospital-based study was designed in pediatric rheumatology clinic of the All India Institute of Medical Sciences, Patna, India, from January 2015 to December 2016...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29456376/academic-stress-and-prevalence-of-stress-related-self-medication-among-undergraduate-female-students-of-health-and-non-health-cluster-colleges-of-a-public-sector-university-in-dammam-saudi-arabia
#18
Fatima Al Rasheed, Atta Abbas Naqvi, Rizwan Ahmad, Niyaz Ahmad
Objective: The objective was to report academic stress and prevalence of stress-related self-medication among undergraduate female students of health and nonhealth cluster colleges at a public sector university in Dammam, Saudi Arabia. Materials and Methods: A 5-month cross-sectional survey was conducted in the university. The survey included the English version of 10-item Perceived Stress Scale (PSS) to report self-perceived stress. Student responses were analyzed by SPSS version 22 software...
October 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29456345/rates-and-correlations-of-psychiatric-drug-administration-in-a-rehabilitation-center
#19
Vaios Peritogiannis, Soultana L Papadopoulou, Athina Tatsioni, Artemis Kapsalaki, Vassiliki Siafaka, Katerina Kotsi, Avraam Ploumis
Background: Physical injury has been associated with the development of several psychopathological manifestations. Less is known about the use of psychiatric medication in those patients. Objectives: This study aimed to explore the use of psychiatric medication by patients been admitted in a rehabilitation center in a tertiary care teaching hospital and to inquire for the correlations of such drug administration. Materials and Methods: The sample consisted of 127 patients who had been admitted to a rehabilitation center, being in the postacute phase of their condition during a 2-year period...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456312/long-term-effect-of-lactobacillus-brevis-cd2-inersan-%C3%A2-and-or-doxycycline-in-aggressive-periodontitis
#20
Mishal Piyush Shah, Sheela Kumar Gujjari, Veerendrakumar Siddhpur Chandrasekhar
Context: The over usage and broad use of antibiotics resulted in the emergence of resistant microorganisms to the drugs which also disturb the indigenous microflora, which include the Lactobacillus in the oral cavity. Hence, it is preferred to avoid the use of antibiotics. Aims: The hypothesis tested in this study was that 14 days of treatment with Lactobacillus brevis CD2 lozenges, L. brevis CD2 with oral doxycycline, or doxycycline alone would have a beneficial effect on periodontal health after 5 months...
July 2017: Journal of Indian Society of Periodontology
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