Large-scale testing (Phase 3)Ended earlyNCT04636034
What this trial is testing
The Effect of Ganglion Sphenopalatine Block Versus Placebo on Persistent Headache Following COVID-19 Infection
Who this might be right for
HeadacheCovid19Sphenopalatine Ganglion Block+1 more
University Hospital Bispebjerg and Frederiksberg 18