Botulinum Toxin Type A Block of the Otic Ganglion in Chronic Cluster Headache: Safety Issues

Condition:   Cluster Headache
Interventions:   Drug: Botulinum Toxin Type A 25 IU;   Drug: Botulinum Toxin Type A 12.5 IU
Sponsors:   Norwegian University of Science and Technology;   St. Olavs Hospital
Recruiting – verified April 2017
Source: Cluster Headache Clinical Trials