NCT07330167

Brief Summary

The purpose of this study is to investigate if different emotional states such as boredom and happiness could influence mechanical pain thresholds and other pain - related variables such as pain tolerance, pain intensity and pain - related negative affect.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
161

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jan 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 27, 2025

Completed
13 days until next milestone

First Posted

Study publicly available on registry

January 9, 2026

Completed
18 days until next milestone

Study Start

First participant enrolled

January 27, 2026

Completed
24 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 20, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 20, 2026

Completed
Last Updated

April 17, 2026

Status Verified

January 1, 2026

Enrollment Period

24 days

First QC Date

December 27, 2025

Last Update Submit

April 16, 2026

Conditions

Pain Thresholds

Keywords

Pressure Pain ThresholdsPainEmotions

Outcome Measures

Primary Outcomes (1)

  • Pressure Pain Threshold

    Pressure Pain Thresholds will be measured with a handheld algometer.

    The Pressure Pain Thresholds will be measured directly after the intervention.

Study Arms (3)

Boredom intervention

EXPERIMENTAL

The participant will watch a short video ( boredom) 2.30 minutes in length while experimental pain is induced.

Other: Boredom intervention

Humorous control intervention

ACTIVE COMPARATOR

The participant will watch a short humorous video 2.30 minutes in length while experimental pain is induced.

Other: Humorous

Control intervention

NO INTERVENTION

The participant will wait for 2.30 minutes with experimentally induced pain.

Interventions

Boredom interventionOTHER

A short boring video will be shown.

Also known as: Emotional
Boredom intervention
HumorousOTHER

A short humorous video will be shown.

Humorous control intervention

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Above 18 years of age and below 80 years of age.
  • Fluent in Swedish.

You may not qualify if:

  • Pain anywhere in the body during the test session.
  • Known neurological disease.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Helena Gunnarsson

Vaxjo, Kronoberg County, 35195, Sweden

Location

MeSH Terms

Conditions

Pain

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: Within-subjects design
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr

Study Record Dates

First Submitted

December 27, 2025

First Posted

January 9, 2026

Study Start

January 27, 2026

Primary Completion

February 20, 2026

Study Completion

February 20, 2026

Last Updated

April 17, 2026

Record last verified: 2026-01

Locations

SE(1)