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https://www.readbyqxmd.com/read/27822048/analysis-of-treatment-patterns-and-persistence-on-branded-and-generic-medications-in-major-depressive-disorder-using-retrospective-claims-data
#1
Caitlyn T Solem, Ahmed Shelbaya, Yin Wan, Chinmay G Deshpande, Jose Alvir, Elizabeth Pappadopulos
BACKGROUND: In major depressive disorder (MDD), treatment persistence is critical to optimize symptom remission, functional recovery, and health care costs. Desvenlafaxine tends to have fewer drug interactions and better tolerability than other MDD drugs; however, its use has not been assessed in the real world. OBJECTIVE: The aim of the present study is to compare medication persistence and concomitant MDD drug use with branded desvenlafaxine (Pristiq(®)) compared with antidepressant drug groups classified as 1) branded selective serotonin reuptake inhibitors (SSRIs; ie, escitalopram [Lexapro™]) and selective serotonin-norepinephrine reuptake inhibitors (SNRIs; ie, venlafaxine [Effexor(®)], duloxetine [Cymbalta(®)]) and 2) generic SSRIs/SNRIs (ie, escitalopram, citalopram, venlafaxine, fluvoxamine, fluoxetine, sertraline, paroxetine, and duloxetine)...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27821711/low-potential-of-basimglurant-to-be-involved-in-drug-drug-interactions-influence-of-non-michaelis-menten-cyp-kinetics-on-fraction-metabolized
#2
Stephen M Fowler, Elena Guerini, NaHong Qiu, Yumi Cleary, Neil J Parrott, Gerard Greig, Navita L Mallalieu
Basimglurant, a novel mGlu5 negative allosteric modulator under development for the treatment of major depressive disorder, is cleared via cytochrome P450 (CYP) mediated oxidative metabolism. Initial enzyme phenotyping studies indicated that CYP3A4/5 dominated basimglurant metabolism and highlighted a risk for drug-drug interactions when comedicated with strong CYP3A4/5 inhibitors or inactivators. However, a clinical drug-drug interaction (DDI) study using the potent and selective CYP3A4/5 inhibitor ketoconazole resulted in an AUCi/AUC ratio of only 1...
November 7, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27816979/evaluation-of-the-potential-pharmacokinetic-interaction-between-atomoxetine-and-fluvoxamine-in-healthy-volunteers
#3
Ioana Todor, Adina Popa, Maria Neag, Dana Muntean, Corina Bocsan, Anca Buzoianu, Laurian Vlase, Ana-Maria Gheldiu, Corina Briciu
BACKGROUND/AIMS: Attention deficit hyperactivity disorder (ADHD) is frequently associated with other psychiatric pathologies. Therefore, the present study investigated a possible pharmacokinetic interaction between atomoxetine (ATX), a treatment option for ADHD, and an antidepressant, namely, fluvoxamine (FVX). METHODS: Designed as an open-label, non-randomized clinical trial, the study included 2 periods. In period 1 (reference), each subject received ATX 25 mg (single-dose), whereas in period 2 (test), all subjects were given a combination of ATX 25 mg + FVX 100 mg, following a 6-day pretreatment regimen with the enzymatic inhibitor...
November 5, 2016: Pharmacology
https://www.readbyqxmd.com/read/27811556/duloxetine-augmentation-in-resistant-obsessive-compulsive-disorder-a-double-blind-controlled-clinical-trial
#4
Arash Mowla, Sanaz Boostani, Seyed Ali Dastgheib
INTRODUCTION: The aim of this study is to evaluate the efficacy of duloxetine augmentation in treatment of resistant obsessive-compulsive disorder (OCD). METHODS: This augmentation trial was designed as an 8-week randomized controlled, double-blind study. Forty-six patients experiencing OCD who had failed to respond to at least 12 weeks of treatment with a selective serotonin reuptake inhibitor (fluoxetine, citalopram, or fluvoxamine) were randomly allocated to receive duloxetine or sertraline plus their current anti-OCD treatment...
December 2016: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27804252/application-of-tandem-dispersive-liquid-liquid-microextraction-for-the-determination-of-doxepin-citalopram-and-fluvoxamine-in-complicated-samples
#5
Bahareh Fahimirad, Alireza Asghari, Mohammad Bazregar, Maryam Rajabi, Ebrahim Fahimi
A new type of dispersive liquid-liquid microextraction is used for the determination of doxepin, citalopram, and fluvoxamine in aqueous matrices. This method is based upon the tandem utilization of dispersive liquid-liquid microextraction, and by providing a high sample clean-up, it efficiently improves the applicability of the method in complicated matrices. For this purpose, in the first step, the analytes contained in an aqueous sample solution (8.0 mL) were extracted into an organic solvent, and then these analytes were simply back-extracted into an aqueous acceptor phase (50 μL)...
November 2, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27803785/fluvoxamine-inhibits-some-inflammatory-genes-expression-in-lps-stimulated-human-endothelial-cells-u937-macrophages-and-carrageenan-induced-paw-edema-in-rat
#6
Laleh Rafiee, Valiollah Hajhashemi, Shaghayegh Haghjooy Javanmard
OBJECTIVES: Fluvoxamine is a well-known selective serotonin reuptake inhibitor (SSRI); Despite its anti-inflammatory effect, little is known about the precise mechanisms involved. In our previous work, we found that IP administration of fluvoxamine produced a noticeable anti-inflammatory effect in carrageenan-induced paw edema in rats. In this study, we aimed to evaluate the effect of fluvoxamine on the expression of some inflammatory genes like intercellular adhesion molecule (ICAM1), vascular cell adhesion molecule (VCAM1), cyclooxygenases2 (COX2), and inducible nitric oxide synthase (iNOS)...
September 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27771722/inhibitory-effects-of-antidepressants-on-acetylcholine-induced-contractions-in-isolated-guinea-pig-urinary-bladder-smooth-muscle
#7
Junji Uno, Keisuke Obara, Hiroko Suzuki, Satomi Miyatani, Daisuke Chino, Takashi Yoshio, Yoshio Tanaka
BACKGROUND/AIMS: To investigate the potential inhibitory effects of 18 clinically available antidepressants on acetylcholine (ACh)-induced contractions in guinea pig urinary bladder smooth muscle (UBSM) in order to predict whether they may induce voiding impairment. METHODS: Concentration-response curves for ACh-induced contractions in guinea pig UBSM strips were obtained in the absence or presence of selected antidepressants. When inhibitory effects indicated competitive antagonism, pA2 values against ACh were calculated and compared to plausible antidepressant blood concentrations...
October 22, 2016: Pharmacology
https://www.readbyqxmd.com/read/27769904/learned-helplessness-activates-hippocampal-microglia-in-rats-a-potential-target-for-the-antidepressant-imipramine
#8
Masaaki Iwata, Hisahito Ishida, Koichi Kaneko, Yukihiko Shirayama
An accumulating body of evidence has demonstrated that inflammation is associated with the pathology of depression. We recently found that psychological stress induces inflammation in the hippocampus of the rat brain through the inflammasome, a component of the innate immune system. Microglia, the resident macrophages in the brain, play a central role in the innate immune system and express inflammasomes; thus, we hypothesized that hippocampal microglia would be key mediators in the development of depression via stress-induced inflammation...
October 18, 2016: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/27758043/dispersive-liquid-liquid-microextraction-combined-with-acetonitrile-stacking-through-capillary-electrophoresis-for-the-determination-of-three-selective-serotonin-reuptake-inhibitor-drugs-in-body-fluids
#9
En-Ping Lin, Tai-Chia Chiu, Ming-Mu Hsieh
Dispersive liquid-liquid microextraction was combined with acetonitrile stacking in capillary electrophoresis for the identification of three selective serotonin reuptake inhibitors (citalopram, fluoxetine, and fluvoxamine) in human fluids such as urine and plasma. Parameters that affect the extraction and stacking efficiency, such as the type and volume of the extraction and disperser solvent, extraction time, salt addition for dispersive liquid-liquid microextraction, and sample matrices, pH, and concentration of the separation buffer for stacking, were investigated and optimized...
October 19, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27673755/evaluation-of-pancreatic-vmat2-binding-with-active-and-inactive-enantiomers-of-18-f-fp-dtbz-in-baboons
#10
Mika Naganawa, Shu-Fei Lin, Keunpoong Lim, David Labaree, Jim Ropchan, Paul Harris, Yiyun Huang, Masanori Ichise, Richard E Carson, Gary W Cline
INTRODUCTION: (18)F-Fluoropropyl-(+)-dihydrotetrabenazine ((18)F-FP-(+)-DTBZ) is a vesicular monoamine transporter type 2 (VMAT2) radiotracer for positron emission tomography (PET) imaging to quantify human β-cell mass. Renal cortex and spleen have been suggested as reference regions, however, little is known about (18)F-FP-(+)-DTBZ binding in these regions including the fraction of radiometabolite. We compared the kinetics of (18)F-FP-(+)-DTBZ and its inactive enantiomer (18)F-FP-(-)-DTBZ in baboons, estimated the non-displaceable binding (VND) of the tracers, and used ex vivo studies to measure radiometabolite fractions...
December 2016: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/27659718/comparative-risk-of-self-harm-hospitalization-amongst-depressive-disorder-patients-using-different-antidepressants-a-population-based-cohort-study-in-taiwan
#11
C-S Wu, S-C Liao, Y-T Tsai, S-S Chang, H-J Tsai
BACKGROUND: The aim of the study was to evaluate the comparative risk of self-harm associated with the use of different antidepressants. METHOD: A cohort study was conducted using data from Taiwan's National Health Insurance Research Database from 2001 to 2012. A total of 751 606 new antidepressant users with depressive disorders were included. The study outcome was hospitalization due to self-harm (International Classification of Diseases, Ninth Revision, Clinical Modification codes: E950-E958 and E980-E988)...
September 23, 2016: Psychological Medicine
https://www.readbyqxmd.com/read/27578081/psychogenic-itch-management
#12
Jacek C Szepietowski, Radomir Reszke
Pruritus is a bothersome and prevalent symptom reported by patients suffering from both cutaneous and extracutaneous diseases. Psychogenic pruritus, also referred to as functional itch disorder, is a distinct clinical entity. According to the definition proposed by the French Psychodermatology Group (FPDG) in 2007, the disorder is characterized by pruritus which is the chief complaint and psychologic factors that contribute to eliciting, worsening, and sustaining the symptoms. Specific diagnostic criteria were proposed, including 3 compulsory and 7 optional, of which 3 have to be met in order to establish the diagnosis...
2016: Current Problems in Dermatology
https://www.readbyqxmd.com/read/27569183/fluvoxamine-maleate-normalizes-striatal-neuronal-inflammatory-cytokine-activity-in-a-parkinsonian-rat-model-associated-with-depression
#13
Ernest Dallé, Willie M U Daniels, Musa V Mabandla
Cytokine dysfunction is associated with both depression and Parkinson's disease (PD) pathophysiology. Inflammatory cytokines in neural and behavioral processes are involved in the production and/or maintenance of depression in PD. In this study we looked at how Fluvoxamine treatment regulates depressive-like signs, motor impairments and the expression of IL-1β, IL-6, TNF-α, TGF-β and IL-10 cytokines in the striatum of a stressed Parkinsonian rat model. Early maternal separation was used to model stress and depressive-like signs in rats...
January 1, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/27512913/effect-of-antidepressants-on-spatial-memory-deficit-induced-by-dizocilpine
#14
Chenjuan Tao, Weiwei Yan, Yuan Li, Xiaodong Lu
Cognitive deficits are a core symptom of schizophrenia. It is controversial whether antidepressants could improve cognitive symptoms in schizophrenia patients. The present study was designed to identify the therapeutic effect of antidepressants on cognitive deficits in schizophrenia. In the present study, adolescent rats were repeatedly exposed to dizocilpine, which can induce cognitive deficits associated with schizophrenia. Then these rats were treated by six antidepressants (fluvoxamine, sertraline, paroxetine, escitalopram, venlafaxine, mirtazapine) or vehicle...
October 30, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27508430/a-case-of-mutism-in-noncatatonic-schizophrenia-responding-to-small-dose-of-fluvoxamine-addition-to-clozapine
#15
Hirofumi Hirakawa, Takeshi Terao, Toshiko Tanaka, Hiroaki Sato, Reiji Yoshimura
No abstract text is available yet for this article.
October 2016: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27502699/anticompulsive-activity-of-a-new-pyrazolo-c-pyridine-derivative-gizh-72-under-conditions-of-unpredictable-chronic-mild-stress
#16
N V Kudryashov, T S Kalinina, L A Zhmurenko, T A Voronina
Anticompulsive activity of a novel compound GIZh-72 (4,6-dimethyl-2-(4-chlorphenyl)-2,3-dihydro-1H-pyrazolo[4,3-C]Pyridine-3-on, chloral hydrate) in a dose of 20 mg/kg (single, subchronic, and chronic administration) in comparison with fluvoxamine (25 mg/kg) was studied in the marble burying test in the model of unpredictable chronic mild stress on BALB/c mice. GIZh-72 produced an anticompulsive effect that increased with increasing treatment duration under stress conditions in contrast to fluvoxamine that induced inversion of this effect after long-term administration...
July 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27488081/minocycline-combination-therapy-with-fluvoxamine-in-moderate-to-severe-obsessive-compulsive-disorder-a-placebo-controlled-double-blind-randomized-trial
#17
Sophia Esalatmanesh, Zoha Abrishami, Atefeh Zeinoddini, Fatemeh Rahiminejad, Majid Sadeghi, Mohammad-Reza Najarzadegan, Mohammad-Reza Shalbafan, Shahin Akhondzadeh
AIM: Several lines of evidence implicate glutamatergic dysfunction in the pathophysiology of obsessive-compulsive disorder (OCD), presenting this neurotransmitter as a target for the development of novel pharmacotherapy. The objective of this study was to assess the efficacy of minocycline as an augmentative agent to fluvoxamine in the treatment of patients with OCD. METHODS: One hundred and two patients with the diagnosis of moderate-to-severe OCD were recruited to this study...
November 2016: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/27445601/treating-chronic-pain-with-ssris-what-do-we-know
#18
REVIEW
Elias Patetsos, Emilia Horjales-Araujo
Serotonin is a monoamine neurotransmitter that plays a major role in both nociception and mood regulation. Alterations in the 5-hydroxytryptophan (5HT) system have been reported in chronic pain patients. In recent years, Selective Serotonin Reuptake Inhibitors (SSRIs) have been suggested as an alternative treatment for chronic pain due to the fact that they are better tolerated presenting less secondary effects than other antidepressants such as tricyclic antidepressants. Although several clinical trials have been published, the effectiveness of SSRI as treatment for pain conditions is inconclusive...
2016: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/27433988/parallel-artificial-liquid-membrane-extraction-as-an-efficient-tool-for-removal-of-phospholipids-from-human-plasma
#19
Kristine Skoglund Ask, Turgay Bardakci, Marthe Petrine Parmer, Trine Grønhaug Halvorsen, Elisabeth Leere Øiestad, Stig Pedersen-Bjergaard, Astrid Gjelstad
Generic Parallel Artificial Liquid Membrane Extraction (PALME) methods for non-polar basic and non-polar acidic drugs from human plasma were investigated with respect to phospholipid removal. In both cases, extractions in 96-well format were performed from plasma (125μL), through 4μL organic solvent used as supported liquid membranes (SLMs), and into 50μL aqueous acceptor solutions. The acceptor solutions were subsequently analysed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) using in-source fragmentation and monitoring the m/z 184→184 transition for investigation of phosphatidylcholines (PC), sphingomyelins (SM), and lysophosphatidylcholines (Lyso-PC)...
September 10, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27402157/physiologically-based-pharmacokinetic-modeling-of-palbociclib
#20
Yanke Yu, Cho-Ming Loi, Justin Hoffman, Diane Wang
Palbociclib is an orally available CDK4/6 inhibitor. In humans, palbociclib undergoes metabolism mediated primarily by CYP3A and SULT2A1, and it is also a weak time-dependent CYP3A inhibitor. The objectives of the current study are to (1) develop a physiologically based pharmacokinetic (PBPK) model of palbociclib based on the in silico, in vitro, and in vivo pharmacokinetic data of palbociclib, (2) verify the PBPK model with clinical drug-drug interaction (DDI) results of palbociclib with strong CYP3A inhibitor (itraconazole), inducer (rifampin), and a sensitive CYP3A substrate (midazolam), and (3) predict the DDI risk of palbociclib with moderate/weak CYP3A inhibitors...
July 12, 2016: Journal of Clinical Pharmacology
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