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Expectancy modulation in open label placebos

Expectancy modulation in open label placebos - EMOLP

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00035763
Enrollment
120
Registered
2024-12-19
Start date
2025-01-16
Completion date
Unknown
Last updated
2026-06-22

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

Conditions

No existing illnesses/health problems

Interventions

Group 1: Positive expectations: The test subjects receive a one-off open-label placebo in the form of a white capsule filled with potato starch (capsule size 00). Subsequently, supposed fMRI neurofeed

Sponsors

Universität Graz
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Normal to above-average disgust propensity

Exclusion criteria

Exclusion criteria: Medication, mental disorders, MRI unsuitability

Design outcomes

Primary

MeasureTime frame
Questionnaires: -Adapted version of the Credibility Expectancy Questionnaire -Questionnaire for the assessment of disgust propensity - Emotion Regulation Questionnaire -Generic Conspiracist Belief Scale - General Self-Efficacy Short Scale -Short scale for measuring interpersonal trust Goal: Differences in the efficacy of the open-label placebo with regard to the disgust response depending on the expectation modification.

Secondary

MeasureTime frame
Achievement of the planned sample size of 120 (60 individuals/group)

Countries

Austria

Contacts

Public ContactAlbert Wabnegger

Universität Graz

albert.wabnegger@uni-graz.at+43 (0)316 380 - 5131

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 27, 2026