The Effect of Nasal Carbon Dioxide (CO2) in the Treatment of Mild Headache in People Who Experience Migraines
A Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Safety and Efficacy of Nasal Carbon Dioxide in the Treatment of Mild Headache in Migraineurs
1 other identifier
interventional
292
1 country
15
Brief Summary
The purpose of this study is to evaluate the safety and effect of nasal carbon dioxide in the treatment of mild headaches in people who have migraines.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Aug 2008
Shorter than P25 for phase_2
15 active sites
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
June 3, 2008
CompletedFirst Posted
Study publicly available on registry
June 5, 2008
CompletedStudy Start
First participant enrolled
August 1, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2009
CompletedAugust 15, 2012
August 1, 2012
10 months
June 3, 2008
August 6, 2012
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The proportion of patients who are pain-free
2 hours post study drug administration
Study Arms (2)
1
EXPERIMENTALNasal CO2
2
PLACEBO COMPARATORInactive Placebo
Interventions
Adaptive Randomization to a Dosing Regimen for Treatment of a Qualifying Headache
Eligibility Criteria
You may qualify if:
- Able to read and understand informed consent form and voluntarily consent to participate in this study by signing the IRB-approved informed consent form
- Established diagnosis of migraine with or without aura per ICHD-II (patients with a diagnosis of only menstrual migraine are not eligible)
- History of 2-8 migraine attacks per month during the 3 months prior to randomization
- Have a typical migraine which progresses from a distinct mild headache to a moderate or severe migraine
- Able to recognize a mild headache that could develop into a moderate or severe migraine
You may not qualify if:
- Have less than 48 hours of freedom from headache between attacks of migraine
- Have 15 or more headache days per month
- Are females who are pregnant or lactating
- Use antipsychotic or antidepressant medications (unless only for migraine prophylaxis) within 12 weeks prior to randomization and for the duration of the study
- Have a concurrent diagnosis of TMD or trigeminal neuralgia requiring treatment
- Clinically significant deviated septum, nasal polyps or other nasal condition that prevents unrestricted breathing through each nostril
- Have participated in another study with nasal CO2
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Capnia, Inc.lead
Study Sites (15)
Capnia Investigative Site
Birmingham, Alabama, 35233, United States
Capnia Investigative Site
Stanford, California, 94305, United States
Capnia Investigative Site
East Hartford, Connecticut, 06118, United States
Capnia Investigative Site
West Palm Beach, Florida, 33407, United States
Capnia Investigative Site
Chicago, Illinois, 60647, United States
Capnia Investigative Site
North Dartmouth, Massachusetts, 02747, United States
Capnia Investigative Site
Wellesley Hills, Massachusetts, 02481, United States
Capnia Investigative Site
Ann Arbor, Michigan, 48104, United States
Capnia Investigative Site
Kalamazoo, Michigan, 49009, United States
Capnia Investigative Site
Springfield, Missouri, 65807, United States
Capnia Investigative Site
St Louis, Missouri, 63141, United States
Capnia Investigative Site
Philadelphia, Pennsylvania, 19107, United States
Capnia Investigative Site
Pittsburgh, Pennsylvania, 15213, United States
Capnia Investigative Site
Nashville, Tennessee, 37203, United States
Capnia Investigative Site
Seattle, Washington, 98104, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Roger K. Cady, MD
Clinvest
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 3, 2008
First Posted
June 5, 2008
Study Start
August 1, 2008
Primary Completion
June 1, 2009
Study Completion
June 1, 2009
Last Updated
August 15, 2012
Record last verified: 2012-08