Publications by authors named "Grethe Helde"

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The crossover design for migraine preventives: an analyses of four randomized placebo-controlled trials.
Astrid Bjørke Jenssen, Lars Jacob Stovner, Erling Tronvik, Trond Sand, Grethe Helde

J Headache Pain· December 2019

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Epilepsy patients with and without perceived benefit from vagus nerve stimulation: A long-term observational single center study.
Eylert Brodtkorb, Christian Samsonsen, Jan V Jørgensen, Grethe Helde

Seizure· November 2019

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Zonisamide serum concentrations during pregnancy.
Arne Reimers, Grethe Helde, Noémi Becser Andersen, Dag Aurlien, Elisabeth Surlien Navjord

Epilepsy Res· August 2018

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The seizure precipitating effect of alcohol: A prospective observational cross-over study.
Christian Samsonsen, Harald Myklebust, Tåle Strindler, Geir Bråthen, Grethe Helde

Epilepsy Res· July 2018

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The epidemiology of headache disorders: a face-to-face interview of participants in HUNT4.
Knut Hagen, Anders Nikolai Åsberg, Benjamin L Uhlig, Erling Tronvik, Eiliv Brenner, Grethe Helde

J Headache Pain· March 2018

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No association between non-bullous skin reactions from lamotrigine and heterozygosity of UGT1A4 genetic variants *2(P24T) or *3(L48V) in Norwegian patients.
Maryam Shirzadi, Arne Reimers, Grethe Helde, Wenche Sjursen, Eylert Brodtkorb

Seizure· February 2017

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The impact of sleep loss on the facilitation of seizures: A prospective case-crossover study.
Christian Samsonsen, Trond Sand, Geir Bråthen, Grethe Helde, Eylert Brodtkorb

Epilepsy Res· November 2016

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Treatment non-adherence in pseudo-refractory epilepsy.
Eylert Brodtkorb, Christian Samsonsen, Janne Kutschera Sund, Geir Bråthen, Grethe Helde

Epilepsy Res· May 2016

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Frequencies of UGT1A4*2 (P24T) and *3 (L48V) and their effects on serum concentrations of lamotrigine.
Arne Reimers, Wenche Sjursen, Grethe Helde, Eylert Brodtkorb

Eur J Drug Metab Pharmacokinet· April 2016

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Do HLA-A markers predict skin-reactions from aromatic antiepileptic drugs in a Norwegian population? A case control study.
Maryam Shirzadi, Ketil Thorstensen, Grethe Helde, Torolf Moen, Eylert Brodtkorb

Epilepsy Res· December 2015

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Acetyl-l-carnitine versus placebo for migraine prophylaxis: A randomized, triple-blind, crossover study.
Knut Hagen, Eiliv Brenner, Mattias Linde, Gøril Bruvik Gravdahl, Erling Andreas Tronvik, Grethe Helde

Cephalalgia· October 2015

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Nonadherence to treatment causing acute hospitalizations in people with epilepsy: an observational, prospective study.
Christian Samsonsen, Arne Reimers, Geir Bråthen, Grethe Helde, Eylert Brodtkorb

Epilepsia· November 2014

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Carbamazepine-induced cutaneous reactions: a simple assay to identify patients carrying the HLA-A*31:01 allele.
Ketil Thorstensen, Mona Kvitland, Maryam Shirzadi, Grethe Helde, Torolf Moen

Scand J Clin Lab Invest· October 2014

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Is dietary caffeine involved in seizure precipitation?
Christian Samsonsen, Geir Bråthen, Arne Reimers, Grethe Helde, Eylert Brodtkorb

Epilepsy Behav· August 2013

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Headache and migraine during pregnancy and puerperium: the MIGRA-study.
Elisabeth Volden Kvisvik, Lars Jacob Stovner, Grethe Helde, Gunnar Bovim, Mattias Linde

J Headache Pain· August 2011

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A 4-year follow-up of patients with medication-overuse headache previously included in a randomized multicentre study.
Knut Hagen, Claus Albretsen, Steinar T Vilming, Rolf Salvesen, Marit Grønning, Grethe Helde

J Headache Pain· June 2011

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Onabotulinum toxin A treatment of cervicogenic headache: a randomised, double-blind, placebo-controlled crossover study.
Mattias Linde, Knut Hagen, Øyvind Salvesen, Gøril Bruvik Gravdahl, Grethe Helde

Cephalalgia· May 2011

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Lamotrigine and its N2-glucuronide during pregnancy: the significance of renal clearance and estradiol.
Arne Reimers, Grethe Helde, Geir Bråthen, Eylert Brodtkorb

Epilepsy Res· May 2011

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The validity of questionnaire-based diagnoses: the third Nord-Trøndelag Health Study 2006-2008.
Knut Hagen, John-Anker Zwart, Anne Hege Aamodt, Kristian Bernhard Nilsen, Geir Bråthen, Grethe Helde

J Headache Pain· February 2010

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A face-to-face interview of participants in HUNT 3: the impact of the screening question on headache prevalence.
Knut Hagen, John-Anker Zwart, Anne Hege Aamodt, Kristian Berhard Nilsen, Geir Bråthen, Grethe Helde

J Headache Pain· October 2008

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Serum concentration/dose ratio of levetiracetam before, during and after pregnancy.
Andreas Austgulen Westin, Arne Reimers, Grethe Helde, Karl Otto Nakken, Eylert Brodtkorb

Seizure· March 2008

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Autonomic activation and pain in response to low-grade mental stress in fibromyalgia and shoulder/neck pain patients.
Kristian Bernhard Nilsen, Trond Sand, Rolf Harald Westgaard, Lars Jacob Stovner, Linda R White, Grethe Helde

Eur J Pain· October 2007

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Headaches add to the burden of epilepsy.
Marte Syvertsen, Grethe Helde, Lars Jacob Stovner, Eylert Brodtkorb

J Headache Pain· September 2007

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Migraine aura or transient ischemic attacks? A five-year follow-up case-control study of women with transient central nervous system disorders in pregnancy.
Janne Marit Ertresvg, Lars Jacob Stovner, Lene Ekern Kvavik, Hans-Jorgen Johnsen, John-Anker Zwart, Grethe Helde

BMC Med· July 2007

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Lamotrigine serum concentrations throughout the menstrual cycle--a study of 2 cases.
Arne Reimers, Eylert Brodtkorb, Grethe Helde, Olav Spigset

Clin Neuropharmacol· July 2006

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