Headache Disorders, Primary clinical trials

The registry lists 42 studies for Headache Disorders, Primary across more than 10 countries. 13 are recruiting or about to start. 19 of them are mainly about Headache Disorders, Primary (how this is decided). Per ClinicalTrials.gov, last updated 2026-09-17. Counting its 5 narrower conditions too, such as Migraine Disorders: 1,927 studies, 384 open.

Get an email when these change. Save the Headache Disorders, Primary studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

Watch these studies

See an example email

Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

One email a week for all your saved searches. Stop any time.

Status

Completed: 18
Recruiting: 9
Status unknown: 5
Terminated: 4
Not yet recruiting: 3
Withdrawn: 2

Phase

Phase 2: 2
Phase 4: 1
Phase 3: 1

Where

United States: 9
Turkey: 5
France: 4
Spain: 4
Denmark: 4
China: 3

Who runs them

Second Affiliated Hospital, School of Medicine, Zhejiang University (2) · Danish Headache Center (2) · University Hospital, Montpellier (2) · Hospital Clínico Universitario de Valladolid (2) · Assiut University (2) · Tashkent Medical Academy (1) · Tepecik Training and Research Hospital (1) · Charite University, Berlin, Germany (1)

What is being tested here

Drugs under test in Headache Disorders, Primary studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug	Open	Phase 3	All
Islet Amyloid Polypeptide	1	0	1
Erenumab	0	0	1
Galcanezumab	0	1	1
Nitroglycerin	0	0	1
Sumatriptan	0	0	1
Naproxen	0	0	1
Doxycycline	0	0	1

Coming up

0phase 3 studies under way

3studies finish main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

All 3

Dec 2026Effect of Ultrasound-Guided Dry Needling Targeting Rectus Capitus Posterior Major on Individuals With Headaches · Texas Tech University Health Sciences Center
Jun 2027Pericranial and General Sensitivity in Patients With Primary Headache · Universitat Internacional de Catalunya
Oct 2027Prevalence of Primary Headache in Multiple Sclerosis Patients · Assiut University

Who these studies take

Of the 9 Headache Disorders, Primary studies recruiting now, 1 (11%) set no upper age limit and 5 (56%) stop at 75 or younger. 4 (44%) take children under 18. 1 (11%) are for women only and 0 (0%) for men only; 3 (33%) take healthy volunteers.

Recruiting studies that take each age, of 9
Age	Women	Men
10	3 (33%)	3 (33%)
18	8 (89%)	7 (78%)
30	8 (89%)	7 (78%)
40	8 (89%)	7 (78%)
50	7 (78%)	7 (78%)
65	6 (67%)	6 (67%)
75	4 (44%)	4 (44%)
85	4 (44%)	4 (44%)

Across all 42 studies, recruiting or not: 60% stop at 75 or younger and 55% at 65; 24% take children; 5% are for women only and 0% for men only; 33% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

Studies

Recruiting first, then most recently updated. Showing 42 of 42. search them.