Effects of an Open-label Placebo Intervention on Reactions to Social Exclusion in Healthy Adults: A Randomized Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00031399

Enrollment

128

Registered

2023-03-01

Start date

2021-12-02

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

Healthy subjects

Interventions

Group 1: Open-label placebo: Single dose placebo pill (P-dragee, blue, Lichtenstein, manufactured by Zentiva Pharma GmbH) & placebo treatment rationale + Social Inclusion in the online ball-tossing pa

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: At least 18 years old Agreement to the informed consent form

Exclusion criteria

Exclusion criteria: allergies to one of the ingredients of the placebo pill

Design outcomes

Primary

Measure	Time frame
Social Pain following exclusion/inclusion was assessed by means of two items (“The other players’ behavior hurt me”; 1 = not at all, 9 = very much; "Please rate your current levels of social pain on a scale from 0 = no pain, 10 = strongest pain imaginable) Need Threat following exclusion/inclusion was assessed by means of four items (see Rudert & Greifeneder, 2016).	—

Secondary

Measure	Time frame
Mood following exclusion/inclusion was assessed by means of the PANAVA-KS (Schallberger, 2005)	—

Countries

Switzerland

Contacts

Public ContactMelissa Jauch

Universität Basel

melissa.jauch@unibas.ch0041 61 207 0605

Outcome results

None listed

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