Actigraphy and Nocturnal Heartrate Variability in Cluster Headache Patients
1 other identifier
interventional
20
1 country
1
Brief Summary
Cluster headache is one of the most painful headaches, characterized by recurring episodes of unilateral, periorbital pain, which is accompanied by autonomic symptoms that seem to be of both sympathetic and parasympathetic origin. The pathophysiology behind the condition is largely unknown, but increasing evidence indicate that the hypothalamus plays a pivotal role. The headache attacks come in clusters or bouts (hence the name) which last up to three months, after which the headache disappears for at least one month. 10-15% have chronic cluster headache. During attacks, the patients have cranial sympathetic hypoactivity and parasympathetic hyperactivity, whereas they have cranial parasympathetic hypoactivity during remission phase. There is an emerging hypothesis that headache attacks are elicited in a state of autonomic hypoarousability, which is also supported by the fact that most cluster attacks occur during the night, when the patients are sleeping. The aim in this project is to study the intercept between the sleep-wake cycle, autonomic tone and the occurrence of headache attacks, by using actigraphy, heart-rate variability and pupillometry. All these methods are well validated, and frequently used in studies on sleep and autonomic function. The study design is that of a case-control model where 15 cluster headache patients will undergo pupillometry, before wearing the actigraph and heart-rate variability-monitor for two weeks, once in cluster bout and once in remission phase. The actigraphy will register nocturnal movement and sleep quality, and headache attacks will be registered by pressing a button on the actigraph. The pupillometry measures pupillary constriction and dilation in response to light, a reflex that is controlled by the autonomic nervous system. The heart-rate variability monitors fluctuations in the heart rate which reflects the sympathovagal balance of cardiac control. All participants will fill out the Pittsburgh Sleep Quality Index before and after registration. In addition, 15 healthy controls will undergo one session of the same examinations. The results of the study will give valuable insight to the pathophysiology of a condition that is very painful and has great impact on the patients' quality of life, and also add knowledge to the relation between headache, sleep and the autonomic nervous system.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Jan 2017
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 27, 2016
CompletedStudy Start
First participant enrolled
January 1, 2017
CompletedFirst Posted
Study publicly available on registry
January 4, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2018
CompletedMarch 21, 2019
March 1, 2019
1.9 years
July 27, 2016
March 19, 2019
Conditions
Keywords
Outcome Measures
Primary Outcomes (5)
Change in pupillary average contraction velocity
The velocity of pupillary constriction in response to light, measured with a pupillometer, in mm/sec
Once in the beginning of a headache phase, and once 4 weeks after last headache attack
Change in total sleep time
Average number of hours asleep per night, measured over two weeks with an actigraph
Measured for two weeks during headache phase, and again four weeks after last headache attack
Change in sleep efficiency
Average number of hours asleep per night divided by time spent in bed, measured over two weeks with an actigraph
Measured for two weeks during headache phase, and again four weeks after last headache attack
Change in wake after sleep onset
Average number of awakenings during the sleep phase, measured over two weeks with an actigraph
Measured for two weeks during headache phase, and again four weeks after last headache attack
Change in LF/HF ratio
The ratio of low-frequency and high-frequency fluctuations in heart rate, measured over two weeks with a heart-rate variability monitor
Measured for two weeks during headache phase, and again four weeks after last headache attack
Study Arms (2)
Patient
EXPERIMENTALCluster headache patients are examined with light reflex pupillometry, two weeks actigraphy and heart-rate variability monitoring both in headache phase and remission phase.
Controls
ACTIVE COMPARATORHealthy controls undergo the same examinations once: light reflex pupillometry, actigraphy and heart-rate variability monitoring.
Interventions
A small computer in the shape of a wristwatch, that registers movement and assesses sleep quality.
A small computer that registers variation in heart rate, which reflects cardiac autonomic tone.
A handheld infrared camera that sends out a light flash and records the pupil as it contracts and dilates, as a measure of pupillary autonomic tone.
Eligibility Criteria
You may qualify if:
- Episodic or chronic cluster headache, according to the ICHD-IIIb criteria.
You may not qualify if:
- Cardiac arrythmia or known autonomic dysfunction.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Nordlandssykehuset HFlead
- University of Tromsocollaborator
Study Sites (1)
Nordland Hospital Trust
Bodø, Nordland, 8003, Norway
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Karl B Alstadhaug, MD, PhD
Nordlandssykehuset HF
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 27, 2016
First Posted
January 4, 2017
Study Start
January 1, 2017
Primary Completion
December 1, 2018
Study Completion
December 1, 2018
Last Updated
March 21, 2019
Record last verified: 2019-03
Data Sharing
- IPD Sharing
- Will not share