Peer-reviewed medical journal articles on cluster headache and related conditions.

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Article topics

  • Practical strategy for detecting and relieving cluster headaches December 1, 2005
    You interview a “migraine” sufferer who hopes to find the relief that has so far eluded him. During the history taking, he reports experiencing the premonitory aura typical of migraine as well as photophobia and occasionally nausea. One description, though, raises a question about the cause of his headaches: he says the intense pain recurs ...
  • Proton Activation Does Not Alter Antagonist Interaction with the Capsaicin-Binding Pocket of TRPV1 December 1, 2005
    Vanilloid receptor 1 (TRPV1) is activated by chemical ligands and heat. In this study, we found that each of the group B antagonists competed with and prevented BCTC, AMG6880 or AMG7472 antagonism of rat TRPV1 activation by protons with pA2 values similar to those for blocking capsaicin, indicating that proton activation does not alter the ...
  • Cluster headache pathogenesis, diagnosis, and management September 3, 2005
    Cluster headache is a stereotyped primary pain syndrome characterised by strictly unilateral severe pain, localised in or around the eye and accompanied by ipsilateral autonomic features. The syndrome is characterised by the circadian rhythmicity of the short-lived attacks, and the regular recurrence of headache bouts, which are interspersed by periods of complete remission in most ...
  • Cluster headache: pathogenesis, diagnosis, and management September 3, 2005
    Cluster headache is a stereotyped primary pain syndrome characterised by strictly unilateral severe pain, localised in or around the eye and accompanied by ipsilateral autonomic features. The syndrome is characterised by the circadian rhythmicity of the short-lived attacks, and the regular recurrence of headache bouts, which are interspersed by periods of complete remission in most ...
  • Sensing with TRP channels July 1, 2005
    Abstract Drosophila melanogaster flies carrying the trp (transient receptor potential) mutation are rapidly blinded by bright light, because of the absence of a Ca2+-permeable ion channel in their photoreceptors. The identification of the trp gene and the search for homologs in yeast, flies, worms, zebrafish and mammals has led to the discovery of a large superfamily ...
  • A-425619 [1-Isoquinolin-5-yl-3-(4-trifluoromethyl-benzyl)-urea], a Novel and Selective Transient Receptor Potential Type V1 Receptor Antagonist, Blocks Channel Activation by Vanilloids, Heat, and Acid July 1, 2005
    The vanilloid receptor transient receptor potential type V1 (TRPV1) integrates responses to multiple stimuli, such as capsaicin, acid, heat, and endovanilloids and plays an important role in the transmission of inflammatory pain. Here, we report the identification and in vitro characterization of A-425619 , a novel, potent, and selective TRPV1 antagonist.
  • Individualizing Treatment With Verapamil for Cluster Headache Patients November 10, 2004
    Verapamil is currently the best available prophylactic drug for patients experiencing cluster headaches (CHs). Published papers usually state 240 to 480 mg taken in three divided doses give good results, ranging from 50% to 80%; others mention higher doses—720, even 1200 mg per day. In clinical practice we found we needed to adapt dosage to ...
  • Calcitonin Gene–Related Peptide Receptor Antagonist BIBN 4096 BS for the Acute Treatment of Migraine March 11, 2004
    Calcitonin gene–related peptide (CGRP) may have a causative role in migraine. We therefore hypothesized that a CGRP-receptor antagonist might be effective in the treatment of migraine attacks.
  • Headaches with (ipsilateral) autonomic symptoms November 1, 2003
    Primary short-lasting headaches broadly divide themselves into those associated with autonomic symptoms, so called trigemino-autonomic cephalgias (TACs), and those with little autonomic syndromes. The trigeminoautonomic cephalgias include cluster headache and paroxysmal hemicranias, in which head pain and cranial autonomic symptoms are prominent.
  • Effects of grapefruit juice and smoking on verapamil concentrations in steady state April 1, 2002
    Human gut wall cytochrome P450 (CYP)3A4 is inhibited by grapefruit juice (G), whereas smoking increases CYP1A2 activity. Both enzymes contribute to verapamil biotransformation. This study was performed to quantitatively assess the effect of these factors on verapamil pharmacokinetics in steady state.