Results 71 to 80 of about 13,168 (257)

Ergotamine/Caffeine Overdose in a Female Suffering From Migraine Headache: A Case Report [PDF]

open access: yesPharmaceutical and Biomedical Research
Background: Ergotamine is a very common antimigraine and is widely used in the management of headaches such as cluster and acute migraines. However, Ergotamine poisoning is an infrequent condition, and there are very few cases reported.
Amir Hasan Farzaneh, Navid Khosravi
doaj  

A dynamic view of molecular switch behavior at serotonin receptors: implications for functional selectivity. [PDF]

open access: yesPLoS ONE, 2014
Functional selectivity is a property of G protein-coupled receptors that allows them to preferentially couple to particular signaling partners upon binding of biased agonists.
Maria Martí-Solano   +3 more
doaj   +1 more source

A Review of Nanoparticle‐Based Astrocyte Modulation in CNS Disorders: Evaluating the Underexplored Potential of Intranasal Delivery

open access: yesNano Select, Volume 7, Issue 1, January 2026.
Nanoparticle‐driven nose‐to‐brain drug delivery offers a noninvasive approach to bypass the blood–brain barrier (BBB) and directly modulate reactive astrocytes in CNS disorders. This review highlights biodegradable nanoparticles for astrocyte modulation, enhancing drug bioavailability, sustained release, and neuroinflammation control.
Senamile M. Dlamini   +3 more
wiley   +1 more source

Characteristics and management of headache among psychiatric outpatients at a Japanese general hospital: A retrospective study with an exploratory CGRP case series

open access: yesPsychiatry and Clinical Neurosciences Reports, Volume 4, Issue 4, December 2025.
Abstract Aim Headache is one of the most frequent somatic complaints in psychiatric practice and is often attributed to underlying mental disorders. However, primary headache disorders—particularly migraine and tension‐type headache (TTH)—commonly coexist with psychiatric conditions.
Kyohei Otani   +2 more
wiley   +1 more source

Effects of hallucinogenic drugs on the human heart

open access: yesFrontiers in Pharmacology
Hallucinogenic drugs are used because they have effects on the central nervous system. Their hallucinogenic effects probably occur via stimulation of serotonin receptors, namely, 5-HT2A-serotonin receptors in the brain.
Joachim Neumann   +4 more
doaj   +1 more source

The Concise Guide to PHARMACOLOGY 2025/26: G protein‐coupled receptors

open access: yesBritish Journal of Pharmacology, Volume 182, Issue S1, Page S24-S151, December 2025.
The Concise Guide to Pharmacology 2025/26 marks the seventh edition in this series of biennial publications in the British Journal of Pharmacology. Presented in landscape format, the guide provides a comparative overview of the pharmacology of drug target families. The concise nature of the Concise Guide refers to the style of presentation, being clear,
Stephen P. H. Alexander   +206 more
wiley   +1 more source

Stroke and migraine is there a possible comorbidity? [PDF]

open access: yes, 2016
The association between migraine and stroke is still a dilemma for neurologists. Migraine is associated with an increased stroke risk and it is considered an independent risk factor for ischaemic stroke in a particular subgroup of patients.
Del Balzo, Francesca   +7 more
core   +2 more sources

Upper limb artery segmental occlusions due to chronic use of ergotamine combined with itraconazole, treated by thrombolysis

open access: yesThrombosis Journal, 2011
Background The ergotamine tartrate associated with certain categories of drugs can lead to critical ischemia of the extremities. Discontinuation of taking ergotamine is usually sufficient for the total regression of ischemia, but in some cases it could ...
Nodari Franco   +7 more
doaj   +1 more source

Scientific Opinion on Ergot alkaloids in food and feed [PDF]

open access: yesEFSA Journal, 2012
<p>The European Food Safety Authority (EFSA) was asked by the European Commission to deliver a scientific opinion on ergot alkaloids (EAs) in food and feed. EAs are produced by several members within the fungal orders of Hypocreales and Eurotiales.
EFSA Panel on Contaminants in the Food Chain
doaj   +1 more source

Clinical Practice Guideline for Headache Disorders 2021

open access: yesNeurology and Clinical Neuroscience, Volume 13, Issue 6, Page 389-407, November 2025.
ABSTRACT The International Headache Society published the International Classification of Headache Disorders, 3rd edition in 2018. In this classification, Chapter 3—previously “Cluster headache and other trigeminal‐autonomic cephalalgias”—was renamed “Trigeminal‐autonomic cephalalgias (TACs).” Trigeminal‐autonomic cephalalgias are a group of disorders ...
Nobuo Araki   +10 more
wiley   +1 more source

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