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https://www.readbyqxmd.com/read/28641022/a-randomized-single-dose-parallel-study-on-enhancement-of-nitric-oxide-in-serum-and-saliva-with-the-use-of-natural-sports-supplement-in-healthy-adults
#1
Joby Jacob, Sreeraj Gopi, Chandradhara Divya
Sports supplements that stimulate the production of nitric oxide (NO) are widely promoted agents in the sports nutrition domain, and nitric oxide plays an important role to enhance the cardiovascular and physical fitness of the sports participants. The purpose of the study is to investigate whether oral intake of a sports nutritional supplement (Fitnox) is able to increase nitrate (NO3(-)) and nitrite (NO2(-)) levels in blood serum and saliva of healthy adults. Fitnox is a unique blend of Kaempferia parviflora methoxy flavones, pomegranate peel polyphenols, and Moringa oleifera leaf saponins...
June 22, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28636208/a-phase-i-trial-of-prn1008-a-novel-reversible-covalent-inhibitor-of-bruton-s-tyrosine-kinase-in-healthy-volunteers
#2
Patrick F Smith, Janakan Krishnarajah, Philip A Nunn, Ron J Hill, Dane Karr, D Tam, Mohammad Masjedizadeh, Jens O Funk, Steve G Gourlay
AIM: To evaluate the safety, tolerability, and PK/PD of PRN1008, a novel BTK inhibitor, in healthy volunteers, and thus determine the dose range for future clinical studies. METHODS: This was a two-part randomized, placebo controlled study in healthy volunteers using a liquid formulation. Part I was a single ascending dose design with dose levels of 50 to 1200 mg (n=6 active, 2 placebo per cohort); Part II was a multiple ascending dose design, with dose regimens ranging from 300 mg to 900 mg daily, either qd or bd for 10 days...
June 21, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28633318/evaluation-of-oral-fluid-as-a-specimen-for-duid
#3
Allison M Veitenheimer, Jarrad R Wagner
Drugged driving has become more prevalent than drunk driving and is quickly gaining national attention due to increased prescription drug abuse and recent cannabis legalization. Unlike alcohol, police officers do not generally have access to approved devices to screen for drugs at the roadside. Onsite drug screening devices do exist and are used in other countries, but have not garnered widespread approval for use in the United States in driving under the influence of drugs (DUID) cases. One reason for this is that the devices are designed to test oral fluid, which is not a commonly accepted specimen for DUID...
June 13, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28630871/a-systematic-review-and-meta-analysis-on-the-treatment-of-cerebral-hemorrhage-with-naoxueshu-oral-liquid
#4
REVIEW
Lijun Wu, Yanda Li, Xiaofeng Wang, Xiaomeng Ren, Haiyan Zhu, Yikun Sun, Yanwei Xing, Lingqun Zhu, Yonghong Gao, Hongcai Shang
NaoXueShu oral liquid invigorates Qi and promotes blood circulation, which is mainly used for treating the acute stage of the meridian of hemorrhagic apoplexy and acute blood stasis syndrome during early convalescence. Its main clinical manifestations include hemiplegia, mouth askew, hemianesthesia, and inarticulateness. It is used mainly in patients with lobar hemorrhage, basal ganglia, and thalamus of the small amount of bleeding without disturbing consciousness of hypertensive cerebral. The purpose of this study was to evaluate the efficacy and adverse effects of NaoXueShu oral liquid on the treatment of cerebral hemorrhage...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28627123/pharmacokinetics-and-relative-bioavailability-of-orally-administered-innovator-formulated-itraconazole-capsules-and-solution-in-healthy-dogs
#5
A E Hasbach, D K Langlois, E J Rosser, M G Papich
BACKGROUND: Itraconazole is commonly used for treatment of systemic and cutaneous mycoses in veterinary medicine. Two formulations, capsule and solution, are used interchangeably in dogs. However, marked differences in bioavailability have been reported in other species. Similar investigations have not been performed in dogs. OBJECTIVE: To determine and compare pharmacokinetics of itraconazole in dogs after oral administration of commercially available capsule and solution formulations intended for use in humans...
June 19, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28626996/vortex-ultrasound-assisted-dispersive-liquid-liquid-microextraction-coupled-with-gc-ms-for-the-analysis-of-volatile-bioactive-components-and-comparative-pharmacokinetic-study-of-the-herb-herb-interactions-in-guanxin-shutong-capsule
#6
Jingqing Mu, Xun Gao, Qing Li, Xiaomei Yang, Wenling Yang, Xu Sun, Kaishun Bi, Huifen Zhang
Guanxin Shutong Capsule, an effective traditional Chinese medicine, is widely used for coronary heart disease clinically. Volatile components are one of its important bioactive constituents. To better understand the material basis for the therapeutic effects, the components of Guanxin Shutong Capsule absorbed into the blood and their metabolites were identified based on gas chromatography with mass spectrometry coupled with vortex-ultrasound-assisted dispersive liquid-liquid microextraction. As a result, three prototypes and 15 metabolites were identified or tentatively characterized in rat plasma...
June 19, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28626197/evaluation-of-cyp2d6-protein-expression-and-activity-in-the-small-intestine-to-determine-its-metabolic-capability-in-the-japanese-population
#7
Momoko Kawakami, Sachiko Takenoshita-Nakaya, Yuko Takeba, Yuki Nishimura, Masayuki Oda, Minoru Watanabe, Yuki Ohta, Shinjiro Kobayashi, Takehito Ohtsubo, Shinichi Kobayashi, Naoki Uchida, Naoki Matsumoto
CYP2D6 plays an important role in the metabolism of many drugs such as opioids and antidepressants. Polymorphisms of the CYP2D6 gene are widely observed in the Japanese population, and can affect the first-pass metabolism of orally administered drugs. Several CYP enzymes have been identified in the small intestine of Caucasians, but intestinal CYP enzymes have not been reported in the Japanese population, except for CYP3A4 and CYP2C19. In this study, we evaluated the CYP2D6 metabolic capacity by measurement of CYP2D6 mRNA and protein levels and activity in the small intestine of Japanese individuals...
June 14, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28623772/development-and-validation-of-a-highly-sensitive-lc-esi-ms-ms-method-for-estimation-of-iiim-mcd-211-a-novel-nitrofuranyl-methyl-piperazine-derivative-with-potential-activity-against-tuberculosis-application-to-drug-development
#8
Asmita Magotra, Anjna Sharma, Ajai Prakash Gupta, Priya Wazir, Shweta Sharma, Parvinder Pal Singh, Manoj Kumar Tikoo, Ram A Vishwakarma, Gurdarshan Singh, Utpal Nandi
In the present study, a simple, sensitive, specific and rapid liquid chromatography (LC) tandem mass spectrometry (MS/MS) method was developed and validated according to the Food and Drug Administration (FDA) guidelines for estimation of IIIM-MCD-211 (a potent oral candidate with promising action against tuberculosis) in mice plasma using carbamazepine as internal standard (IS). Bioanalytical method consisted of one step protein precipitation for sample preparation followed by quantitation in LC-MS/MS using positive electrospray ionization technique (ESI) operating in multiple reaction monitoring (MRM) mode...
June 8, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28622708/pharmacokinetic-comparison-of-two-phenolic-acids-after-oral-administration-of-typhae-pollen-to-normal-rats-and-rats-with-acute-cold-blood-stasis
#9
Yingni Pan, Wenjie Zhang, Wei Zhang, Xuewei Bai, Shumeng Ren, Jiang Zheng, Dongmei Wang, Xiaoqiu Liu
Typhae Pollen (TP), dried pollen of Typha angustifolia L., Typha orientalis Presl or other plants of the same genus (Typhaeceae), has effect of activating the circulation to cure blood stasis in traditional Chinese Medicine (TCM). The purpose of this study was to set up an ultra-high performance liquid chromatography method that could determine p-hydroxybenzoic acid and vanillic acid simultaneously in rat plasma, and to compare their pharmacokinetics in normal rats and rats with acute cold blood stasis, and further to investigate the influence of different dosages of oral administration...
June 16, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28620420/pharmacokinetic-comparison-of-20-r-and-20-s-ginsenoside-rh1-and-20-r-and-20-s-ginsenoside-rg3-in-rat-plasma-following-oral-administration-of-radix-ginseng-rubra-and-sheng-mai-san-extracts
#10
Xiaomei Fan, Yan Xu, Danni Zhu, Yibing Ji
Ginsenosides Rh1 and Rg3, as the main bioactive components from Ginseng, are effective for prevention and treatment of cardiovascular diseases. Sheng-Mai-San (SMS), a classical complex prescription of traditional Chinese medicines, is composed of Radix Ginseng Rubra, Fructus Schisandrae, and Radix Ophiopogonis. In this research, a sensitive and specific liquid chromatography-mass spectrometric method was developed and validated for stereoselective determination and pharmacokinetic studies of 20(R)- and 20(S)-ginsenoside Rh1 and 20(R)- and 20(S)-ginsenoside Rg3 epimers in rat plasma after oral administration of Radix Ginseng Rubra or SMS extracts...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28618340/fast-and-efficient-zirconia-based-reversed-phase-chromatography-for-selective-determination-of-triptans-in-rat-plasma
#11
Sameh Ahmed, Noha N Atia
Selective and fast chromatographic method was essential for the determination of triptans, selective serotonin receptor (5-HT1) agonists, in biological specimens. However, selective chromatographic separation of these highly basic drugs is a challenging problem on silica-based stationary phases. Zirconia-based stationary phases have been introduced as an efficient alternative for silica-based columns offering unique stability, selectivity, and retention ability for various classes of drugs. Herein, a new selective, fast and reproducible high performance liquid chromatographic method (HPLC) was developed and validated for the determination of four triptans in plasma samples namely; Sumatriptan (SMT), Zolmitriptan (ZLT), Eletriptan (ELT) and Rizatriptan (RZT)...
June 7, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28618049/study-of-gliquidone-degradation-behavior-by-high-performance-thin-layer-chromatography-and-ultra-performance-liquid-chromatography-methods
#12
Nada S Abdelwahab, Mohammed T ELsaady, Aml G Korany, Maha A Hegazy
Gliquidone (GQ) is an oral hypoglycemic agent, belongs to second generation sulfonylurea derivatives. New high-performance thin-layer chromatography (HPTLC) and ultra-performance liquid chromatography (UPLC) methods have been developed and validated and used for complete stability study of GQ following ICH guidelines. GQ was subjected to stress and forced degradation under hydrolytic, oxidative and photolytic conditions. The drug was found to be unstable under acidic, alkaline and oxidative conditions with the formation of gliquidone sulfonamide (GQS) while, a marked stability was confirmed under thermal and photolytic stress conditions...
June 15, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28616433/medication-errors-in-patients-with-enteral-feeding-tubes-in-the-intensive-care-unit
#13
Seyed Mojtaba Sohrevardi, Mohammad Hossein Jarahzadeh, Ehsan Mirzaei, Mahtabalsadat Mirjalili, Arefeh Dehghani Tafti, Behrooz Heydari
OBJECTIVE: Most patients admitted to Intensive Care Units (ICU) have problems in using oral medication or ingesting solid forms of drugs. Selecting the most suitable dosage form in such patients is a challenge. The current study was conducted to assess the frequency and types of errors of oral medication administration in patients with enteral feeding tubes or suffering swallowing problems. METHODS: A cross-sectional study was performed in the ICU of Shahid Sadoughi Hospital, Yazd, Iran...
April 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28615638/pharmacodynamic-and-pharmacokinetic-assessment-of-pulmonary-rehabilitation-mixture-for-the-treatment-of-pulmonary-fibrosis
#14
Juanjuan Zhao, Yan Ren, Yubei Qu, Wanglin Jiang, Changjun Lv
Pulmonary rehabilitation mixture (PRM), a Chinese herbal medicine formula, has been used to treat pulmonary fibrosis for decades. In this study, we systematically evaluated the pharmacodynamic and pharmacokinetic performance of PRM. The pharmacodynamic results showed that PRM could improve the condition of CoCl2-stimulated human type II alveolar epithelial cells, human pulmonary microvascular endothelial cells, human lung fibroblasts and pulmonary fibrosis rats induced by bleomycin, PRM treatment reduced the expression of platelet-derived growth factor, fibroblast growth factor, toll-like receptor 4, high-mobility group box protein 1 and hypoxia-inducible factor 1α...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614452/-profile-of-clinical-trials-enrolling-brazilian-children
#15
Jean Mendes de Lucena Vieira, Elisangela da Costa Lima, Marcelo Gerardin Poirot Land, Miriam Ventura, Helena Lutescia Luna Coelho
This study aimed to characterize the clinical trials with medicines enrolling Brazilian children and adolescents, registered in the databases of Clinical Trials and the Brazilian Clinical Trials Network (ReBEC) from 1994 to 2014. Only 462 clinical trials enrolled Brazilian children and adolescents. There was an increase in registrations beginning in 2003, with an important drop in 2011. Among these trials, 35.5% were hosted in Brazil. The international clinical trials were mostly conducted by North American companies...
June 12, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/28604846/identification-of-active-components-in-yixinshu-capsule-with-protective-effects-against-myocardial-dysfunction-on-human-induced-pluripotent-stem-cell-derived-cardiomyocytes-by-an-integrative-approach
#16
Minyu Zhang, Hongwei Wu, Feifei Guo, Yangyang Yu, Junying Wei, Ya Geng, Shifeng Wang, Shiyou Li, Hongjun Yang
Traditional Chinese medicine (TCM) preparations have significant effects on some refractory diseases; however, these compositions are complex and their mechanisms are unknown. Identification of the active components in these preparations is essential. The mortality rate for heart failure (HF) has been increasing in recent years, and myocardial dysfunction (MD) has been proved to be the pathological basis of HF. Yixinshu Capsule (YXSC) is a multi-component oral drug with therapeutic effects on HF. However, the key active components are still unclear...
June 12, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28604104/intranasal-delivery-of-quercetin-loaded-mucoadhesive-nanoemulsion-for-treatment-of-cerebral-ischaemia
#17
Niyaz Ahmad, Rizwan Ahmad, Atta Abbas Naqvi, Md Aftab Alam, Mohammad Ashafaq, Rehan Abdur Rub, Farhan Jalees Ahmad
BACKGROUND: Quercetin (QUR), as an antioxidant flavonoid, exhibits potential role in the amelioration of cerebral ischaemia; however, poor solubility as well as oral absorption results low serum and tissue levels for this drug. PURPOSE OF THE STUDY: To enhance bioavailability, this study aims to prepare QUR nanoemulsions and administer via non-invasive nasal route in order to evaluate the drug targeting in brain. METHODS: Quercetin mucoadhesive nanoemulsion (QMNE) was prepared (ionic gelation method) and optimized using various parameters, that is, particle size, entrapment efficiency, zeta potential and ex vivo permeation study...
June 12, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28601826/study-protocol-of-a-phase-ib-ii-clinical-trial-of-metformin-and-chloroquine-in-patients-with-idh1-mutated-or-idh2-mutated-solid-tumours
#18
Remco J Molenaar, Robert Js Coelen, Mohammed Khurshed, Eva Roos, Matthan Wa Caan, Myra E van Linde, Mathilde Kouwenhoven, Jos Am Bramer, Judith Vmg Bovée, Ron A Mathôt, Heinz-Josef Klümpen, Hanneke Wm van Laarhoven, Cornelis Jf van Noorden, W Peter Vandertop, Hans Gelderblom, Thomas M van Gulik, Johanna W Wilmink
INTRODUCTION: High-grade chondrosarcoma, high-grade glioma and intrahepatic cholangiocarcinoma are aggressive types of cancer with a dismal outcome. This is due to the lack of effective treatment options, emphasising the need for novel therapies. Mutations in the genes IDH1 and IDH2 (isocitrate dehydrogenase 1 and 2) occur in 60% of chondrosarcoma, 80% of WHO grade II-IV glioma and 20% of intrahepatic cholangiocarcinoma. IDH1/2-mutated cancer cells produce the oncometabolite D-2-hydroxyglutarate (D-2HG) and are metabolically vulnerable to treatment with the oral antidiabetic metformin and the oral antimalarial drug chloroquine...
June 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28596959/oral-bioavailability-and-plasma-disposition-of-pefloxacin-in-healthy-broiler-chickens
#19
María-Aránzazu Martínez, Irma Ares, José-Luis Rodríguez, Marta Martínez, María-Rosa Martínez-Larrañaga, Gerardo Isea, Arturo Anadón
The pharmacokinetics of pefloxacin after single 10 mg/kg BW intravenous (IV) and oral doses were studied in healthy broiler chickens. For 24 h, serial blood samples were obtained after IV and oral administration. Concentrations of pefloxacin and its major metabolite N-demethyl pefloxacin (norfloxacin) were measured by use of high-performance liquid chromatography. The plasma concentrations-time data were found to fit a two-compartment open model. For pefloxacin, the elimination half-life (t½β) was 8.44 ± 0...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28588496/clinical-efficacy-and-residue-depletion-of-10-enrofloxacin-enteric-coated-granules-in-pigs
#20
Zhixin Lei, Qianying Liu, Bing Yang, Jincheng Xiong, Kun Li, Saeed Ahmed, Liping Hong, Pin Chen, Qigai He, Jiyue Cao
A new, more palatable formulation of 10% enrofloxacin enteric-coated granules was investigated to evaluate the pharmacokinetic effect in plasma, the residue elimination in tissues and the clinical efficacy against Actinobacillus pleuropneumonia (APP) and Mycoplasam suis (MS) in pigs. In this study, the enrofloxacin concentrations in plasma and tissues were detected using high-performance liquid chromatography with phosphate buffer (pH = 3) and acetonitrile. The pharmacokinetics and elimination of enrofloxacin enteric-coated granules were performed after oral administration at a single dose of 10 mg/kg body weight (bw) and 5 mg/kg twice per day for 5 consecutive days, respectively...
2017: Frontiers in Pharmacology
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