Do Emotions Affect Mechanical Pain Thresholds in Individuals with Chronic Pain?

NCT ID: NCT06836193

Last Updated: 2025-02-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

152 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-01

Study Completion Date

2027-12-31

Brief Summary

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The purpose of this study is to investigate if different emotional states could influence mechanical pain thresholds in individuals with chronic pain.

Detailed Description

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Participants will be randomized into 4 different groups watching different short video-clips (2.20 min). The negative emotions group will watch an uncomfortable short video containing violence and blood, the positive emotions group will watch a video containing a stand-up comedy show, the neutral emotions group will watch a video about how to paint a house, and the control group will just wait for 2.20 min, without any instructions about what to think about. Pressure pain thresholds will be measured with an algometer before and after the video-clips.

Conditions

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PRESSURE PAIN THRESHOLD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Negative emotional condition

The participant will watch a short video-clip with negative emotional content.

Group Type EXPERIMENTAL

Emotional intervention

Intervention Type OTHER

Negative emotional intervention

Positive emotional condition

The participant will watch a short video-clip with positive emotional content.

Group Type EXPERIMENTAL

Emotional intervention

Intervention Type OTHER

Positive emotional intervention

Neutral emotional condition

The participant will watch a short video-clip with neutral emotional content.

Group Type SHAM_COMPARATOR

Emotional intervention

Intervention Type OTHER

Negative emotional intervention

No emotional condition

The participant will wait for 2.30 minutes without any instructions about how to engage their thoughts.

Group Type SHAM_COMPARATOR

Emotional intervention

Intervention Type OTHER

Positive emotional intervention

Interventions

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Emotional intervention

Negative emotional intervention

Intervention Type OTHER

Emotional intervention

Positive emotional intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Above 18 years of age
* Fluent in Swedish

Exclusion Criteria

* Known neurological disease
Minimum Eligible Age

19 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Linnaeus University

OTHER

Sponsor Role lead

Responsible Party

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Helena Gunnarsson

Dr

Responsibility Role PRINCIPAL_INVESTIGATOR

Central Contacts

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Helena Gunnarsson, Dr

Role: CONTACT

+46708432509

Other Identifiers

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Dnr 2024-07781-01

Identifier Type: -

Identifier Source: org_study_id

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