Carbon Monoxide Headache Triggering Properties as Well as Effects on the Brain's Vessels and Blood Flow
1 other identifier
interventional
15
1 country
1
Brief Summary
Studying Carbon monoxide effects on brain vessels in healthy volunteers with magnetic resonance imaging.
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 Oct 2017
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2017
CompletedFirst Submitted
Initial submission to the registry
December 20, 2017
CompletedFirst Posted
Study publicly available on registry
December 28, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
March 12, 2018
CompletedMarch 13, 2018
March 1, 2018
4 months
December 20, 2017
March 12, 2018
Conditions
Outcome Measures
Primary Outcomes (1)
Changes in brain blood vessels diameters after a short CO inhalation
To investigate changes in the circumference of intra- and extracerebral blood vessels after inhalation of carbon monoxide using magnetic resonance angiography (MRA).
30 minutes
Study Arms (1)
Carbon monoxide
OTHEREach participant receives CO inhalation
Interventions
Eligibility Criteria
You may qualify if:
- Healthy volunteers
- Aged 18-50
You may not qualify if:
- Tension type headache more than 5 dage /month
- Other primary headaches
- Daily medication except contraceptives
- Drug taken within 4 times the halflife for the specific drug except contraceptives
- Pregnant or lactating women
- Exposure to radiation within the last year
- Headache within the last 24 hours before start of trial
- Hypertension
- Hypotension
- Respiratory or cardiac disease
- Smoking
- Primary relatives with current or previous migraine
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Danish Headache Center
Glostrup Municipality, 2600, Denmark
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal investigator
Study Record Dates
First Submitted
December 20, 2017
First Posted
December 28, 2017
Study Start
October 1, 2017
Primary Completion
February 1, 2018
Study Completion
March 12, 2018
Last Updated
March 13, 2018
Record last verified: 2018-03