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Clinical pharmacology

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https://www.readbyqxmd.com/read/28548676/the-diagnosis-and-management-of-chronic-migraine-in-primary-care
#1
Werner J Becker
BACKGROUND: Chronic migraine is common, affecting approximately 1% of the general population, and causes significant disability. OBJECTIVE: To summarize optimal involvement of primary care physicians in chronic migraine care, and to provide algorithms to assist them in the diagnosis and management of patients with chronic migraine. METHODS: An analysis of diagnostic and treatment needs in chronic migraine, based on a synthesis of the medical literature and clinical experience...
May 26, 2017: Headache
https://www.readbyqxmd.com/read/28548368/developing-minimum-clinical-standards-for-physiotherapy-in-south-african-icus-a-qualitative-study
#2
Heleen van Aswegen, Shane Patman, Natascha Plani, Susan Hanekom
RATIONALE, AIMS, AND OBJECTIVES: Physiotherapists are integral members of the intensive care unit (ICU) team. Clinicians working in ICU are dependent on their own experience when making decisions regarding individual patient management thus resulting in variation in clinical practice. No formalized clinical practice guidelines or standards exist for the educational profile or scope of practice requirements for ICU physiotherapy. This study explored perceptions of physiotherapists on minimum clinical standards that ICU physiotherapists should adhere to for delivering safe, effective physiotherapy services to critically ill patients...
May 26, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28548225/single-and-combined-effects-of-delta-9-tetrahydrocannabinol-and-cannabidiol-in-a-mouse-model-of-chemotherapy-induced-neuropathic-pain
#3
Kirsten M King, Alyssa M Myers, Ariele J Soroka-Monzo, Ronald F Tuma, Ronald J Tallarida, Ellen A Walker, Sara Jane Ward
BACKGROUND AND PURPOSE: It has been suggested that the non-psychoactive phytocannabinoid cannabidiol (CBD) can impact the pharmacological effects of delta-9-tetrahydrocannabinol (THC). We tested the hypothesis that CBD and THC would significantly mitigate mechanical sensitivity in a mouse model of paclitaxel-induced neuropathic pain, and that CBD+THC combinations would produce synergistic effects. We also tested the hypothesis that CBD would attenuate oxaliplatin- and vincristine- induced mechanical sensitivity...
May 26, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28547815/balancing-the-autonomic-nervous-system-to-reduce-inflammation-in-rheumatoid-arthritis
#4
F A Koopman, M A van Maanen, M J Vervoordeldonk, P P Tak
Imbalance in the autonomic nervous system (ANS) has been observed in many established chronic autoimmune diseases, including rheumatoid arthritis (RA), which is a prototypic immune-mediated inflammatory disease (IMID). We recently discovered that autonomic dysfunction precedes and predicts arthritis development in subjects at risk of developing seropositive RA. In addition, RA patients with relatively high vagus nerve tone (higher parasympathetic parameters, measured by heart rate variability) respond better to antirheumatic therapies...
May 26, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28547794/antidepressant-like-effects-of-tetrahydroxystilbene-glucoside-in-mice-involvement-of-bdnf-signaling-cascade-in-the-hippocampus
#5
Hao Wang, Ying Zhao, Ying-Jie Wang, Lu Song, Jin-Liang Wang, Chao Huang, Wei Zhang, Bo Jiang
BACKGROUND AND AIMS: Current antidepressants in clinic need weeks of administration and always have significant limitations. Tetrahydroxystilbene glucoside (TSG) is one of the major bioactive ingredients of Polygonum multiflorum with neuroprotective effects. This study aimed to evaluate the antidepressant effects of TSG in mice. METHODS: The antidepressant-like effects of TSG in mice were examined in the forced swim test (FST), tail suspension test (TST), and chronic social defeat stress (CSDS) model of depression...
May 25, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28547771/translation-of-wnt-developmental-programs-into-stem-cell-replacement-strategies-for-the-treatment-of-parkinson-s-disease
#6
REVIEW
Enrique M Toledo, Daniel Gyllborg, Ernest Arenas
Wnt signalling is a highly conserved pathway across species that is critical for normal development and is deregulated in multiple diseases including cancer and neurodegeneration. Wnt signalling is critically required for midbrain dopaminergic (mDA) neuron development and maintenance. Understanding the molecular processes controlled by Wnt signalling may thus hold the key to understand the physiopathology and to develop novel therapies aimed at preventing the loss of mDA neurons in Parkinson's disease (PD)...
May 26, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28547175/influence-of-body-mass-index-and-type-of-low-level-exercise-on-the-side-effect-profile-of-regadenoson
#7
Carlos Salgado-Garcia, Amelia Jimenez-Heffernan, Juana Lopez-Martin, Manuela Molina-Mora, Tarik Aroui, Elena Sanchez de Mora, Carlos Ramos-Font, Francisco Rivera de Los Santos, Carlos Ruiz-Frutos
PURPOSE: Regadenoson, an A2A adenosine receptor pharmacologic stress agent for radionuclide myocardial perfusion imaging (MPI), is administered as a single, fixed dose. We studied the side effect profile of regadenoson combined with two types of low-level exercise, according to body mass index (BMI). METHODS: Three hundred and fifty-six patients (46.1% men, mean age 67.7±10.7 years, range 31-90 years) underwent regadenoson stress testing combined with low-level exercise...
May 25, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28546779/emerging-treatment-options-for-the-management-of-hodgkin-s-lymphoma-clinical-utility-of-nivolumab
#8
REVIEW
David A Bond, Lapo Alinari
Classical Hodgkin's lymphoma (cHL) is a B-cell malignancy comprised of pathologic Reed Sternberg cells with a surrounding immune-tolerant inflammatory milieu. RS cells evade immune recognition in part through programmed death ligand 1 (PD-L1) overexpression, which is genetically programmed through copy number alterations, polysomy, and amplification of the 9p24.1 locus encoding PD-L1. By engaging with PD-1+ T-cells, PD-L1 delivers a potent immune suppressive signal promoting immunologic escape of the tumor cell...
2017: Journal of Blood Medicine
https://www.readbyqxmd.com/read/28546766/abcb1-genetic-variants-in-leukemias-current-insights-into-treatment-outcomes
#9
REVIEW
Ravindran Ankathil
Despite improvements in treatment of different types of leukemia, not all patients respond optimally for a particular treatment. Some treatments will work better for some, while being harmful or ineffective for others. This is due to genetic variation in the form of single-nucleotide polymorphisms (SNPs) that affect gene expression or function and cause inherited interindividual differences in the metabolism and disposition of drugs. Drug transporters are one of the determinants governing the pharmacokinetic profile of chemotherapeutic drugs...
2017: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/28546332/establishing-177-lu-psma-617-radioligand-therapy-in-a-syngeneic-model-of-murine-prostate-cancer
#10
Wolfgang P Fendler, Andreea D Stuparu, Susan Evans-Axelsson, Katharina Lückerath, Liu Wei, Woosuk Kim, Soumya Poddar, Jonathan Said, Caius G Radu, Matthias Eiber, Johannes Czernin, Roger Slavik, Ken Herrmann
Clinical (177)Lu-PSMA-617 radioligand therapy (RLT) is applied in advanced stage prostate cancer. However, to the best of our knowledge murine models to study the biological effects of various activity levels have not been established. AIM: To optimize specific and total activity for (177)Lu-PSMA-617 RLT in a syngeneic model of murine prostate cancer. Methods: 0.1x106 murine reconstituted, oncogene-driven prostate cancer cells (RM1), transduced to express human prostate-specific membrane antigen (PSMA), were injected into the left flank of C57Bl6 immunocompetent mice...
May 25, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28545666/mahuannin-b-an-adenylate-cyclase-inhibitor-attenuates-hyperhidrosis-via-suppressing-%C3%AE-2-adrenoceptor-camp-signaling-pathway
#11
Zengyong Wang, Yu Cui, Guoyu Ding, Mengge Zhou, Xiaoyao Ma, Yuanyuan Hou, Min Jiang, Dailin Liu, Gang Bai
BACKGROUND: Based on the traditional application of traditional Chinese Medicines (TCMs), Ephedra Herba (EH) is used to cure cold fever by inducing sweating, whereas Ephedra Radix (ER) is used to treat hyperhidrosis. Although they come from the same plant, Ephedra sinica Stapf, but have play opposing roles in clinical applications. EH is known to contain ephedrine alkaloids, which is the driver of the physiological changes in sweating, heart rate and blood pressure. However, the active pharmacological ingredients (APIs) of ER and the mechanisms by which it restricts sweating remain unknown...
July 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28544774/safety-pharmacokinetics-and-pharmacodynamics-of-hetrombopag-olamine-a-novel-tpo-r-agonist-in-healthy-subjects
#12
Li Zheng, Mao-Zhi Liang, Xiao-Ling Zeng, Cai-Zheng Li, Yi-Fan Zhang, Xiao-Yan Chen, Xi Zhu, An-Bo Xiang
Hetrombopag olamine (hetrombopag) is a novel small-molecule, orally bioavailable, non-peptide thrombopoietin (TPO) receptor agonist that is being developed as the treatment for thrombocytopenia. Two randomized, placebo-controlled phase I studies were conducted in 72 healthy subjects to assess the safety, tolerability, pharmacokinetics and pharmacodynamics of hetrombopag. Hetrombopag was orally administered with a single dose in 5 dose cohorts (5 mg, 10 mg, 20 mg, 30 mg or 40 mg) in the first study, and given once daily for 10 days in 3 dose cohorts (2...
May 24, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28544467/a-survey-on-the-beliefs-and-knowledge-of-gout-management-in-new-medical-graduates-new-south-wales-australia
#13
Matthew Terrill, John Riordan
AIM: To assess the beliefs and knowledge of gout management in new medical graduates. METHOD: A survey on gout management was sent to new medical graduates during their orientation week, New South Wales, Australia. RESULTS: Of 15 hospital networks, 11 agreed to participate. From these, 168 graduates responded (23.7% response rate). Most (81.1%) felt that gout was a serious disease, 51.2% answered that they had been taught adequately to manage acute gout, only 37...
May 25, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28543813/inhaled-pulmonary-vasodilator-therapy-for-management-of-right-ventricular-dysfunction-after-left-ventricular-assist-device-placement-and-cardiac-transplantation
#14
Leah A Sabato, David M Salerno, Jeremy D Moretz, Douglas L Jennings
Right ventricular failure (RVF) after cardiac transplant (CTX) or implantation of a continuous-flow left ventricular assist device (CF-LVAD) is associated with significant post-operative morbidity and mortality. A variety of modalities have been used to treat post-operative RVF, including management of volume status, intravenous inotropes and vasodilators, and right-sided mechanical support. Inhaled vasodilator agents are a unique treatment option aimed at minimizing systemic absorption by delivering therapy directly to the pulmonary vasculature...
May 24, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28543679/the-missing-the-short-and-the-long-l-dopa-responses-and-dopamine-actions
#15
Roger L Albin, Daniel K Leventhal
We attempt to correlate the clinical pharmacology of dopamine replacement therapy (DRT) in Parkinson Disease with known features of striatal dopamine actions. Despite its obvious impact, DRT does not normalize motor function, likely due to disrupted phasic dopaminergic signaling. The DRT Short Duration Response is likely a permissive-paracrine effect, possibly resulting from dopaminergic support of corticostriate synaptic plasticity. The DRT Long Duration Response may result from mimicry of tonic dopamine signaling regulation of movement vigor...
May 22, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28543193/patterns-of-anaphylaxis-after-diagnostic-work-up-a-follow-up-study-of-226-patients-with-suspected-anaphylaxis
#16
Athamaica Ruiz Oropeza, Carsten Bindslev-Jensen, Sigurd Broesby-Olsen, Thomas Kristensen, Michael Boe Møller, Hanne Vestergaard, Henrik Fomsgaard Kjaer, Susanne Halken, Annmarie Lassen, Charlotte G Mortz
BACKGROUND: Most published studies on anaphylaxis are retrospective or register based. Data on subsequent diagnostic work-up are sparse. We aimed to characterize patients seen with suspected anaphylaxis at the emergency care setting (ECS), after subsequent diagnostic work-up at our Allergy Center (AC). METHODS: Prospective study including patients from the ECS, Odense University Hospital, during May 2013-April 2014. Possible anaphylaxis cases were daily identified based on a broad search profile including history and symptoms in patient records, diagnostic codes and pharmacological treatments...
May 19, 2017: Allergy
https://www.readbyqxmd.com/read/28542801/serum-protein-binding-of-25-antiepileptic-drugs-in-a-routine-clinical-setting-a-comparison-of-free-non-protein-bound-concentrations
#17
Philip N Patsalos, Miguel Zugman, Charlotte Lake, Anthony James, Neville Ratnaraj, Josemir W Sander
OBJECTIVE: Given that only the free non-protein-bound concentration of an antiepileptic drug (AED) crosses the blood-brain barrier, entering the brain and producing an antiepileptic effect, knowledge and measurement of the free drug fraction is important. Such data are sparse, particularly for newer AEDs, and have arisen from the use of disparate methodologies and settings over the past six decades. We report on the protein binding of 25 AEDs that are available for clinical use, along with two pharmacologically active metabolites (carbamazepine-epoxide and N-desmethyl clobazam), using standardized methodology and under set conditions...
May 24, 2017: Epilepsia
https://www.readbyqxmd.com/read/28542663/-periorbital-pallor-post-application-of-mydriatic-in-infants-with-hydrocephalus-associated-to-systemic-effects
#18
Jorge Luis Alvarado Socarras, Sandra Consuelo Rodríguez
Adequate pupil dilation is needed to evaluate some neonates at risk of developing illness during this stage. However, this procedure is not free of adverse effects, either local or systemic. One of these complications is the local vasoconstriction of the preterm baby’s skin following the application of mydriatic eye drops. OBJECTIVE: To describe secondary local and systemic complications of pharmacological pupil dilation in 2 newborns. Clinical case 1: Full term baby with diagnosis of low-birth weight and hydrocephalia...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28542036/a-survey-of-renal-impairment-pharmacokinetic-studies-for-new-oncology-drug-approvals-in-the-usa-from-2010-to-early-2015-a-focus-on-development-strategies-and-future-directions
#19
Jim J Xiao, Jiyun S Chen, Bert L Lum, Richard A Graham
The US Food and Drug Administration (FDA) issued a guidance document in 2010 on pharmacokinetic (PK) studies in renal impairment (RI) on the basis of observations that substances such as uremic toxins might result in altered drug metabolism and excretion. No specific recommendations for oncology drugs were included. We surveyed the publicly available FDA review documents of 29 small molecule oncology drugs approved between 2010 and the first quarter of 2015. The objectives were as follows: (i) summarize the impact of RI on PK at the time of the initial new drug application; (ii) identify limitations of the guidance; and (iii) outline an integrated approach to study the impact of RI on these drugs...
May 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28541778/bioequivalence-and-statistics-in-clinical-pharmacology
#20
Julie Bertrand
No abstract text is available yet for this article.
May 25, 2017: Journal of Biopharmaceutical Statistics
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