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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT01395264
Other study ID # 10/0366
Secondary ID
Status Terminated
Phase N/A
First received July 14, 2011
Last updated October 27, 2017
Start date August 2011
Est. completion date October 27, 2017

Study information

Verified date October 2017
Source University College London Hospitals
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Migraine is one of the commonest neurological disorders, affecting up to 12% of the general population, but remains relatively under-diagnosed and under-treated. Migraine has a wide socioeconomic impact and brings a large economic burden; estimates suggest that disability due to migraine costs > €27 billion per annum across Europe. Despite its prevalence and impact, migraine pathophysiology is poorly understood. A wider understanding of the functional changes in this disorder would be beneficial to both diagnosis and treatment.

Saccades are the rapid eye movements we make when moving the eyes to a new object in our visual field. Reaction time studies have been used to investigate Huntington's disease and Parkinson's disease with great success. These use saccadic tasks (monitoring eye movements). Even at rest we make approximately three saccades per second, so a lot of data can quickly be gathered with non-invasive testing. We hope to understand more of the underlying mechanisms of migraine by studying reaction time in migraine patients.

Our previous pilot study, with less stringent inclusion and exclusion criteria, looked at fewer patients (32 migraineurs and 32 controls), and found that migraineurs showed significantly different saccadic patterns to non-migraineurs.

This study firstly seeks to corroborate the saccadometric findings of our earlier pilot study in a group of migraineurs, and secondly to explore the specificity of these findings in migraine by also studying patients with another primary headache syndrome, namely cluster headache.

Migraine is known to be a dynamic disorder, with previous studies showing longitudinal changes in the migraine brain. To explore this further we hope to record longitudinally (Every day for 21 days) in a small subset of migraineurs to identify potential longitudinal changes in saccadic reaction time. Because of the portability of the equipment this could be done in the subjects own home if they preferred.


Description:

As above


Recruitment information / eligibility

Status Terminated
Enrollment 42
Est. completion date October 27, 2017
Est. primary completion date October 27, 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 60 Years
Eligibility Inclusion Criteria:

1. Male or female and aged between 18 and 60 years in good general health apart from suffering from headaches (test group).

2. Migraine and cluster headache will be diagnosed according to ICHD-II diagnostic criteria (6).

3. Migraineurs must suffer at least two migraine attacks per year and no more than 5 attacks per month.

Exclusion Criteria:

1. Any other neurological disorder such as stroke, multiple sclerosis, epilepsy, concussion within the past year, psychiatric disorders, visual disorders.

2. Use of migraine prophylactic medication in the last month or acute migraine therapy in the 3 days prior to testing.

3. Patients on any medication to treat depression in their case

4. Headache during testing or within 3 days before and after testing.

Study Design


Locations

Country Name City State
United Kingdom Neurology Department, Whittington Hospital London
United Kingdom The National Hospital for Neurology and Neurosurgery, London WC1N 3BG, and The John Radcliffe hospital, Oxford, The Whittington Hospital N19 5NF London London

Sponsors (1)

Lead Sponsor Collaborator
Tim Young

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary To see if Saccadometry results differ between controls and migraine subjects By May 2019
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