Recruiting OBSERVATIONAL NCT05334927

China HeadAche DIsorders RegiStry (CHAIRS)

Sponsor: Beijing Tiantan Hospital

Conditions Headache Disorders, Primary Medication Overuse Headache Migraine New Daily Persistent Headache Tension-Type Headache Trigeminal Autonomic Cephalalgia

Interventions Episodic Migraine and Chronic Migraine Eptinezumab Erenumab Medicine Overuse Headache/New Daily Persistent Headache Patients with other types of primary headache Yangxue Qingnao Granules (Pills)

Updated 6 times since 2022 Last updated: Jan 12, 2026 Started: Aug 29, 2022 Primary completion: Dec 31, 2031 Completion: Dec 31, 2032

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Headache Disorders, Primary and Medication Overuse Headache and is currently actively recruiting participants. Beijing Tiantan Hospital leads this study, which shows 6 recorded versions since 2022 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Feb 2026 — Present [monthly]

Recruiting

Status: Not Yet Recruiting → Recruiting
Sep 2024 — Feb 2026 [monthly]

Not Yet Recruiting
Jul 2024 — Sep 2024 [monthly]

Not Yet Recruiting
Jul 2022 — Jul 2024 [monthly]

Not Yet Recruiting
Jun 2022 — Jul 2022 [monthly]

Not Yet Recruiting

▶ Show 1 earlier version

May 2022 — Jun 2022 [monthly]

Not Yet Recruiting

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Beijing Tiantan Hospital

Data source: Beijing Tiantan Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Beijing, China , Changzhou, China , Chongqing, China , Dazhou, China , Deyang, China , Fuzhou, China , Guangyuan, China , Huludao, China , Jiujiang, China , Luohe, China and 8 more locations