At a glance
ClinicalIndex Comparison RecordN/ACompleted· 33 enrolled
Drug / intervention
onabotulinumtoxinAbiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Retrospective Study to Evaluate the Effectiveness and Benefit of onabotulinumtoxinA in Patients With Chronic Migraines
In Brief
An observational study evaluating onabotulinumtoxinA for Chronic Migraine, Headaches. Completed, enrolled 33 participants across 1 site.
Detailed Summary
This study will evaluate the effectiveness and benefit of treatment with onabotulinumtoxinA in Chronic Migraine patients who have received a minimum of 7 treatment cycles.
Study Details
Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsChronic Migraine, Headaches
CountriesUnited States
Collaborators--
Timeline
N/ACompletedFinished
20132014201520162017201820192020202120222023202420252026
First PostedDec 2012
Enrollment StartMay 2013
Primary CompletionMay 2014
TodayJul 2026
First PostedDec 13, 2012
Enrollment StartMay 1, 2013
Primary CompletionMay 1, 2014
TodayJul 2, 2026
Enrollment to primary: 1 yearPosted 13.6 years ago
Interventions
onabotulinumtoxinAbiological
Previous treatment with onabotulinumtoxinA for Chronic Migraine.