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tryptamine/céphalée
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13 résultats
Pathogenesis of chronic cluster headache and bouts: role of tryptamine, arginine metabolism and α1-agonists.
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The aim of this study was to explore the possible role of tryptamine in the pathogenesis of chronic cluster headache along with that of adrenaline and noradrenaline (α-agonists) together with arginine metabolism in the origin of cluster bouts. Plasma levels of tyramine, tryptamine, serotonin,
Tryptamine levels are low in plasma of chronic migraine and chronic tension-type headache.
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The primary aim of this study (TA-CH, Tryptophan Amine in Chronic Headache) was to investigate a possible role of tryptophan (TRP) metabolism in chronic migraine (CM) and chronic tension-type headache (CTTH). It is not known if TRP metabolism plays any role in CM and/or CTTH. Plasma levels of
Pathogenesis of Cluster Headache: From Episodic to Chronic Form, the Role of Neurotransmitters and Neuromodulators.
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Psychoactive substances as a last resort-a qualitative study of self-treatment of migraine and cluster headaches.
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Treatment resistant cluster headache and migraine patients are exploring alternative treatments online. The aim of this study was to improve comprehension regarding the use of non-established or alternative pharmacological treatments used by sufferers of cluster headaches and migraines.
A
Biochemistry of primary headaches: role of tyrosine and tryptophan metabolism.
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The pathogenesis of migraine as well as cluster headache (CH) is yet a debated question. In this review, we discuss the possible role of the of tyrosine and tryptophan metabolism in the pathogenesis of these primary headaches. These include the abnormalities in the synthesis of neurotransmitters:
Pharmacokinetics and pharmacodynamics of the triptan antimigraine agents: a comparative review.
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The current approach to antimigraine therapy comprises potent serotonin 5-HT1B/1D receptor agonists collectively termed triptans. Sumatriptan was the first of these compounds to be developed, and offered improved efficacy and tolerability over ergot-derived compounds. The development of sumatriptan
Triptans in pregnancy.
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The triptans are a class of tryptamine-based drugs indicated for in the treatment of migraine headaches. The triptans act as serotonin (5-hydroxytriptamine) (5-HT) agonists by binding to various serotonin receptors, causing vasoconstriction and neuronal inhibition to alleviate migraines. There are 7
Stability-Indicating Reversed-Phase UHPLC Method Development and Characterization of Degradation Products of Almotriptan Maleate by LC-QTOF-MS/MS.
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Almotriptan maleate (ALMT), a highly selective 5-hydroxy tryptamine 1B/1D (5-HT1B/1D) receptor agonist used in the treatment of migraine headache was subjected to various ICH (Q1A (R2)) specified guidelines. The drug underwent significant degradation under hydrolytic (acid, base and neutral),
Sumatriptan iontophoretic transdermal system: a review of its use in patients with acute migraine.
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The sumatriptan iontophoretic transdermal system (ZECUITY®) [hereafter referred to as sumatriptan TDS] is the first transdermal treatment for migraine to be approved by the US FDA. This article reviews the available pharmacologic properties of sumatriptan TDS and its clinical efficacy and
Fluctuation of 5-hydroxy-indole compounds in the urine of migrainous patients.
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In 14 migrainous patients during different clinical phases the urinary excretion of 5-hydroxy-tryptamine (5-HT) and its main metabolite, 5-hydroxyindoleacetic acid (5-HIAA) were followed. In the course of headache attack a significant increase in 5-HIAA excretion rate was found; at the same time the
Reimbursement-Based Economics--What Is It and How Can We Use It to Inform Drug Policy Reform?
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BACKGROUND
In Ontario, approximately $3.8 billion is spent annually on publicly funded drug programs. The annual growth in Ontario Public Drug Program (OPDP) expenditure has been limited to 1.2% over the course of 3 years. Concurrently, the Ontario Drug Policy Research Network (ODPRN) was appointed
Comparison of palanosetron with ondansetron for postoperative nausea and vomiting in patients undergoing laparoscopic cholecystectomy under general anesthesia.
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BACKGROUND
Post-operative nausea and vomiting (PONV) is a 'big little' problem especially after laparoscopic surgeries. Palanosetron is a new potent 5 hydroxy tryptamine 3 antagonists. In this randomized double blind clinical study we compared the effects of i.v. ondansetron and palanosetron
Prevention and treatment of postoperative nausea and vomiting.
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Pain, nausea and vomiting are frequently listed by patients as their most important perioperative concerns. With the change in emphasis from an inpatient to outpatient hospital and office-based medical/surgical environment, there has been increased interest in the 'big little problem' of
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