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The Effect Of Sumatriptan And Placebo On Isosorbide-5-mononitrate Induced Headache PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest The Effect Of Sumatriptan And Placebo On Isosorbide-5-mononitrate Induced Headache articles that have been published worldwide.
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Previous studies indicate that sumatriptan is not effective when second messenger levels are high as after cilostazol provocation. Therefore, we have conducted the present study, where sumatriptan is administrated as pretreatment before cAMP increases due to cilostazol intake. Our hypothesis was that pretreatment with sumatriptan would have a significant effect against cilostazol induced headache in healthy volunteers.
Sumatriptan, a 5HT (5-hydroxytryptamine) receptor agonist, showed neuroprotection in different studies. The aim of the present study was to investigate the effect of sumatriptan on morphine-induced antinociceptive tolerance and physical dependence. We also investigated the possible role of nitric oxide (NO) on sumatriptan effects. Tolerance was induced by morphine injection (50, 50, 75mg/kg) three times daily for five days. Antinociceptive latency after acute and chronic treatment with sumatriptan (0.001, ...
A recent meta-analysis showed that antidepressants are more effective than placebo. In placebo-controlled trials, the placebo effect is subtracted from the verum effect to find the specific effect of each antidepressant. In clinical practice, however, the situation is the other way around: non-specific ('placebo') effects are added to the specific effect of the antidepressant and together these effects determine the outcome. The non-specific aspects comprise strength of the therapeutic relation, conviction ...
Different to spirituality, the placebo-effect is well operationalized. Against this background, an attempt is made to look at a possible phenomenological relationship between the therapeutic effectiveness of spirituality and placebo. Similar context influences as well as the possible common use of a phylogenetically well conserved protective route via the mesolimbic dopaminergic reward system are highlighted. For both phenomena, the clinical effectiveness seems to be ubiquitous, with that of the placebo eff...
We sought to analyze publicly available information about patient harm associated with an iontophoretic sumatriptan patch, to identify what went wrong and to suggest ways in which similar problems might be prevented in the future.
Schneider, Michael, and Peter Bärtsch. Characteristics of headache and relationship to acute mountain sickness at 4559 meters. High Alt Med Biol. 00:000-000, 2018.-The goals of this study were to characterize headache at high altitude in relation to the severity of acute mountain sickness (AMS), to investigate whether a history of migraine or nonmigrainous headache at low altitude is a risk factor for AMS and to estimate its effect size in relation to established major risk factors. We performed a secondar...
The placebo effect is a phenomenon produced when an inert substance administered like a regular treatment improves the clinical outcome. Parkinson's disease (PD) is one of the main clinical disorders for which the placebo response rates are high. The first evidence of the neurobiological mechanisms underlying the placebo effect in PD stems from 2001, when de la Fuente-Fernandez and colleagues demonstrated that a placebo injection led to the release of dopamine in the striatal nuclei of PD measured with posi...
Placebo analgesia is the beneficial effect that follows despite a pharmacologically inert treatment. Modern neuroimaging studies in humans have delineated the hierarchical brain regions involved in placebo analgesia. However, because of the lack of proper approaches to perform molecular and cellular manipulations, the detailed molecular processes behind it have not been clarified. To address this issue, we developed an animal model of placebo analgesia in rats and analyzed the placebo analgesia related brai...
Headache is a common medical complaint in children and adolescents with the majority having experienced some type of headache by their teenage years. Pediatric headache presentations often differ compared to adults, and children may have difficulty describing their symptoms. Thus, a thorough understanding of the approach to the pediatric headache patient is essential to ensure appropriate diagnosis, evaluation, and management.
The placebo effect alongside the detrimental nocebo and lessebo effects associated with the use of placebos are well-recognized phenomena. Research conducted in the last two decades has demonstrated that the placebo effect is a measurable health benefit with well-known neurobiological correlates. In this review, we describe the current knowledge about how to best make use of the placebo effect to improve clinical research and optimize clinical care. We will cover four key topics: (1) setting the stage: hist...
Posttraumatic headaches are among the most challenging complaints after mild traumatic brain injury (mTBI). They are a debilitating problem experienced by patients after TBI of all severities. Up to 90% of mild TBI patients experience headache, particularly if female and with a premorbid history of primary headache. Tension headache has classically been the most common subtype, but in military populations migraine has dominated. Posttraumatic headache encompasses a spectrum of headache types that overlap he...
Studies on how psychologic factors influence the placebo effect have shown conflicting results in an experimental setting. Pessimists are more likely to experience a nocebo effect (feel worse after an inert intervention), whereas other studies suggest that patients with more symptoms of depression or anxiety or greater neuroticism have a greater response to a placebo. This is important because treatment benefits are potentiated by placebo effects, and optimal utilization of this phenomenon may improve clini...
Previous research shows that endurance performance can be enhanced by placebo ergogenic aids. This study investigates the ergogenic placebo response, which we define as an increase in objective and physiological effort without an increase in subjective effort, in competitive cyclists. The primary objective of this study is to explore the role of supplement salience in the ergogenic placebo response, while the secondary aim is to assess whether believing to have taken an inactive placebo supplement attenuate...
Reversible cerebral vasoconstriction syndrome is a rare clinical syndrome characterized by sudden thunderclap headache often an under diagnosed neurological emergency. It is often provoked by postpartum state or exposure to provocative drugs. We report a rare case of Rizatriptan-induced reversible cerebral vasoconstriction syndrome presenting with thunderclap headache and paraparesis with complete recovery of neurological and imaging findings.
Intranasal lidocaine has been studied and recommended as an alternative in the management of acute headache. The objective of this systematic review was to evaluate the efficacy and safety of intranasal lidocaine in the acute management of primary headaches. The MEDLINE (1946 to May 2018), EMBASE (1974 to May 2018), Cochrane Central Register of Controlled Trials (2008 to May 2018), Cumulative Index to Nursing and Allied Health Literature (CINAHL) (1982 to May 2018), and ClincialTrials. gov online databases ...
Headache is a common feature in acute cerebrovascular disease but no studies have evaluated the prevalence of specific headache types in patients with transient ischemic attacks (TIA). The purpose of the present study was to analyze all headaches within the last year and the last week before TIA and at the time of TIA.
Chagas disease is a neglected tropical disease. About 6 to 8 million people are chronically infected and 10% to 15% develop irreversible gastrointestinal disorders, including megaesophagus. Treatment focuses on improving symptoms, and isosorbide and nifedipine may be used for this purpose.
Placebo beverage conditions remain a key element in the methodological toolkit for alcohol researchers interested in evaluating pharmacological and nonpharmacological factors influencing the effects of alcohol consumption. While interest in experimentally examining alcohol in social context is on the rise, there has been little research examining the effectiveness of placebo manipulations in group settings, when just one suspicious participant could potentially jeopardize the effect of the placebo on group ...
To quantify the placebo effect of various pharmacologic modalities including neuromodulators, hormonal agents, and onabotulinum toxin A for female sexual dysfunction.
One in three clinical trial patients with major depressive disorder report symptomatic improvement with placebo. Strategies to mitigate the effect of placebo responses have focused on modifying study design with variable success. Identifying and excluding or controlling for individuals with a high likelihood of responding to placebo may improve clinical trial efficiency and avoid unnecessary medication trials.
This article is intended to assist clinicians in distinguishing benign primary headache syndromes from serious headache presentations that arise from exogenous causes.
Biobased unsaturated polyester thermosets as potential replacements for petroleum-based thermosets were designed. The target of incorporating rigid units, to yield thermosets with high thermal and mechanical performance, both in the biobased unsaturated polyester (UP) and reactive diluent (RD) while retaining miscibility was successfully achieved. The biobased unsaturated polyester thermosets were prepared by varying the content of isosorbide, 1,4-butanediol, maleic anhydride and succinic anhydride in combi...
To assess the risk of headache associated with commonly prescribed antidepressant medications and to examine the impact of medication class, pharmacodynamics and dosage on risk of headache.
Headache is a neurologic disorder that displays gender dichotomy. It is well established that there is a strong link between migraine headache and sex hormones, specifically estrogen, which influences the severity of migraines during the menstrual cycle, pregnancy, and menopause. Furthermore, the epidemiology of headaches during pregnancy and the postpartum period is very distinct from that in males or nonpregnant females, in part due to the hemodynamic and hematologic changes that occur during pregnancy. T...
The most common headache associated with epilepsy occurs after seizure activity and is called a postictal headache. Therefore, the objective of this study was to investigate the effects of low and high doses acetylsalicylic acid (aspirin) on a penicillin-induced experimental epilepsy model.