Long-term Prognosis of Cluster Headache: a Retrospective Cohort Study
1 other identifier
observational
70
1 country
1
Brief Summary
Cluster headache is a syndrome characterized by disabling headache and accompanying autonomic symptoms. Despite cluster headache is called "suicide headache", its natural history has not been well investigated. The investigators aimed to investigate its disease course, overall prognosis, and treatment pattern in retrospective cohort.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Apr 2016
Longer than P75 for all trials
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
Study Start
First participant enrolled
April 1, 2016
CompletedFirst Submitted
Initial submission to the registry
September 4, 2016
CompletedFirst Posted
Study publicly available on registry
September 9, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2021
CompletedMarch 20, 2020
March 1, 2020
5 years
September 4, 2016
March 18, 2020
Conditions
Outcome Measures
Primary Outcomes (5)
overall prognosis
active disease: at least one bout within the past 5 years Remission: no headache for 5 years and twice of the usual remission period
at least 5 years after the first visit
Changes in the length of active/inactive periods
at least 5 years after the first visit
Changes in seasonal and diurnal predilections
at least 5 years after the first visit
Changes in autonomic symptoms
at least 5 years after the first visit
Changes in treatment responses
at least 5 years after the first visit
Secondary Outcomes (2)
Any depression
at least 5 years after the first visit
Any suicidal thoughts (active/passive), plans, and attempts
at least 5 years after the first vis
Interventions
Eligibility Criteria
Patients with cluster headache
You may qualify if:
- Patients who were diagnosed as cluster headache
- More than 5 years after the first visit
You may not qualify if:
- Subjects who refused the telephone visit
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Samsung Medical Center
Seoul, South Korea
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- MD, PhD, Professor of neurology
Study Record Dates
First Submitted
September 4, 2016
First Posted
September 9, 2016
Study Start
April 1, 2016
Primary Completion
April 1, 2021
Study Completion
April 1, 2021
Last Updated
March 20, 2020
Record last verified: 2020-03