CClinicalTrials.gg

Headache clinical trials

The registry lists 1,226 studies for Headache across more than 10 countries. 203 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-24.

Status

Completed
705
Status unknown
157
Recruiting
120
Terminated
86
Not yet recruiting
68
Withdrawn
45

Phase

Phase 2
138
Phase 3
124
Phase 4
101
Phase 1
53
Early Phase 1
7

Where

United States
438
Denmark
125
Turkey
70
Egypt
60
Spain
57
Canada
50

Who runs them

Danish Headache Center (86) · Riphah International University (21) · Cairo University (19) · Assiut University (14) · Thomas Jefferson University (11) · Mayo Clinic (11) · Ain Shams University (11) · Norwegian University of Science and Technology (10)

Studies

Recruiting first, then most recently updated. Showing 50 of 1,226 — search for more.