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Can positive expectations have negative effects on pain?

The effects of the under prediction of pain on pain experience

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON29618
Enrollment
82
Registered
2017-05-01
Start date
2017-03-17
Completion date
Unknown
Last updated
2024-02-28

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

Conditions

The study is conducted in a sample of healthy volunteers.

Interventions

Participants in the experimental condition receive a verbal suggestion stating that the upcoming heat stimuli are expected to be experienced as non-painful (under prediction). Participants in the con

Sponsors

Leiden University, Leiden, the Netherlands
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. 18-30 years 2. Good understanding of written and spoken English

Exclusion criteria

Exclusion criteria: 1. Severe physical or psychological morbidity (e.g., heart and lung diseases, or DSM psychiatric disorders) that could adversely affect study participation 2. Chronic (¡Ý 6 months) pain complaints at present or in the past 3. Current use of medication 4. Use of pacemaker 5. Pregnancy

Design outcomes

Primary

MeasureTime frame
Experienced pain intensity during the first heat stimulus of moderate intensity directly following the verbal suggestion, as assessed on a numerical rating scale (0 no pain ¨C 10 worst pain imaginable).

Secondary

MeasureTime frame
Expected pain intensity of the second heat stimulus of moderate intensity following the verbal suggestion, as assessed on a numerical rating scale (0 no pain ¨C 10 worst pain imaginable).

Contacts

Public ContactKaya J. Peerdeman
k.j.peerdeman@fsw.leidenuniv.nl

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)