NCT01749423View on ClinicalTrials.gov

A Retrospective Study to Evaluate the Effectiveness of onabotulinumtoxinA in Preventing Headaches in Patients With Chronic Migraines

WithdrawnOBSERVATIONAL
0
Timeline

Start Date

November 30, 2012

Primary Completion Date

December 31, 2013

Study Completion Date

December 31, 2013

Conditions
Chronic Migraine, Headache
Interventions
BIOLOGICAL

OnabotulinumtoxinA

Previous treatment with onabotulinumtoxinA for Chronic Migraine.

Sponsors

Lead Sponsor

Allergan
All Listed Sponsors
lead

Allergan

INDUSTRY