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The impact of a 12-week open-label placebo treatment on headache days in episodic and chronic migraine: A randomized controlled trial

The impact of a 12-week open-label placebo treatment on headache days in episodic and chronic migraine: A randomized controlled trial - OLPIMI

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00021259
Enrollment
150
Registered
2020-10-09
Start date
2020-11-09
Completion date
Unknown
Last updated
2025-11-24

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

Conditions

G43.9

Interventions

Group 1: Placebo (Lactose monohydrate, cellulose powder, magnesium stearate, microcrystalline cellulose), 2 tablets/day p.o., for 12 weeks, in addition to treatment as usual Group 2: Treatment as usua

Sponsors

Universitätsklinikum EssenKlinik für Neurologie
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Age =18 years, history of episodic or chronic migraine (patient self-report and diagnosed by a specialist in neurology according to the International Classification of Headache Disorders (Olesen 2018)) =12 months prior to screening, migraine frequency =4 days per month on average across 3 months prior to screening, consent and fluent German language skills.

Exclusion criteria

Exclusion criteria: Any substance or alcohol abuse, major depression, schizophrenia, suicidality, hypersensitivity or allergy to any ingredient of the placebo pills, participation in another study using investigational drugs within the last 3 months prior to inclusion, and any acute or chronic pain condition apart from migraine. Patients volunteering to attend the optional MRI session must not suffer from claustrophobia or have any implants or devices unsuitable for MRI.

Design outcomes

Primary

MeasureTime frame
Change of headache days in 4 weeks from baseline to visit 3

Secondary

MeasureTime frame
Change in migraine days in 4 weeks from baseline to visit 3, in mean pain intensity (NRS), days of use of acute medication in 4 weeks, disability (Pain Disability Index, Headache Impact Test), global impression of change (PGIC), quality of life (Short Form Health Survey), count of patients with 50% reduction in primary outcomes (responder rate), safety and tolerability (General Assessment of Side Effects). Explorative outcomes comprise potential predictors.

Countries

Germany

Contacts

Public ContactJulian Kleine-Borgmann

Universitätsklinikum Essen

julian.kleine-borgmann@uk-essen.de00492017232446

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 15, 2026