International consensus for a measuring instrument for the collection of headaches in patients with chronic or high-frequency episodic migraine in non-pharmacological studies: A Delphi study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00011777

Enrollment

Registered

2017-05-09

Start date

2017-05-12

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

G43

Interventions

Group 1: It is a Delphi study. In the first questionnaire, 20 experts in headache research (authors who have conducted and published studies on non-pharmacological interventions in migraine patients)

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Authors who have conducted studies on non-pharmacological interventions in migraine patients - Affected patients with the diagnosis of a chronic migraine - Minimum age 18 years

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Achieve an international consensus for one or more measuring instrument (s) to collect changes in headache symptoms in patients with chronic migraine in non-pharmacological studies and determine a realistic cut-off value that is clinically relevant for this instrument (s).	—

Countries

Germany, United States

Contacts

Public ContactKerstin Lüdtke

Universität Hamburg / Fakultät für Psychologie und Bewegungswissenschaft

k.luedtke@uke.de+494042838-9158

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 19, 2026