Effects of open-label placebos on visual food cue reactivity in children and adolescents

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00035122

Enrollment

160

Registered

2024-09-30

Start date

2023-09-27

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

Only healthy participants

Interventions

Group 1: OLP group (Open-Label Placebos): OLP intakte prior to picture viewing Group 2: Control group: No OLP intervention prior to picture viewing

Eligibility

Sex/Gender

All

Age

8 Years to 18 Years

Inclusion criteria

Inclusion criteria: Students of an elementary school (8-12 years old) or a secondary school (16-18 years old)

Exclusion criteria

Exclusion criteria: No additional criteria; participation of the entire school class in each case

Design outcomes

Primary

Measure	Time frame
Comparison of the two groups regarding liking and wanting ratings of the food cues; visual analogue scale ranging from 0 ('not at all') to 100 ('very much')	—

Secondary

Measure	Time frame
General appetite: Visual analog scale ranging from 'no appetite at all' and 'very much appetite' (prior to the intervention in the OLP group); Perceived efficacy of the OLP: Visual analogue scale ranging from 0 ('not at all') to 100 ('very much')	—

Countries

Austria

Contacts

Public ContactAnne Schienle

Universität Graz

anne.schienle@uni-graz.at+43 316 380-5086

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026