- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04425395
The Effect of Nonverbal Vocalisations on Pain Tolerance (VOCPAIN)
Humans produce non-verbal vocalizations (shouting, growling, screaming), laughter, ...) in various contexts that are likely to perform biological functions.
and important social issues. Yet despite their importance in the human vocal repertoire, the mechanisms and functions of non-verbal vocalizations remain little studied and poorly understood including in humans. In this context, the investigators wish to examine how the production of vocalizations non-verbal communication influences pain tolerance in healthy adults.
Study Overview
Status
Conditions
Detailed Description
Humans produce nonverbal vocalisations such as screams, grunts, roars, cries and laughter across a variety of contexts. Yet despite the prominence and apparent importance of these nonverbal sounds in human communication, the investigators still know very little about their influence on human perception and behaviour. That's why, in this study, the investigators will examine specifically the influence of nonverbal vocal production on pain tolerance.
The remainder of the study will involve up to three trials of a pain tolerance (cold pressor) task, during which the investigators will ask participants to produce vocalisations (e.g., screams or words) while submerging the participant's hand in bath of circulating cold water.
The results of the study will contribute to our theoretical understanding of the functions of nonverbal vocal communication in humans, in particular the influence of nonverbal vocal production (i.e., yelling) on pain tolerance.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Marie PEURIERE, CRA
- Phone Number: +33 (0)4.77.82.92.72
- Email: marie.peuriere@chu-st-etienne.fr
Study Contact Backup
- Name: Roland PEYRON, MD
- Phone Number: +33 (0)477127805
- Email: roland.peyron@chu-st-etienne.fr
Study Locations
-
-
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Saint-Étienne, France
- Recruiting
- CENTRE HOSPITALIER UNIVERSITAIRE Saint-Etienne
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Principal Investigator:
- Roland PEYRON, MD
-
Sub-Investigator:
- Kasia PISANSKI, MD
-
Sub-Investigator:
- Clément CORNEC, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Participant in good health
- Affiliated or entitled participant in a social security scheme
- Participant who has received informed information about the study and has co-signed a consent to participate in the study with the investigator.
Exclusion Criteria:
- Chronic pain
- High blood pressure or poor circulation
- Cardiac or vascular disease, or a heart condition (including symptoms of Raynaud's syndrome)
- Allergy or hypersensitivity to cold
- Diabetes
- Epilepsy
- Pregnancy
- Recent serious injury
- Neurological or psychiatric condition known to affect pain tolerance (e.g., peripheral neuropathy, schizophrenia)
- History of fainting or seizures
- History of frostbite
- Chronic smoker (more than 10 cigarettes a day)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Healthy adult population aged 18 to 60 years.
Their pain tolerance will be tested using the Cold Pressor Task while producing vocalisations.
Produced vocalisations will be audio recorded and physiological measures will be taken using two techniques: Nociception Level Index and video pupillometry.
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The cold pressor test is among the most common and established methods for studying human reactions to pain and pain tolerance. Participants submerge a hand in cold water (approx. 5°C) and are asked to keep their hand submerged for as long as can (until the sensation is intolerable), up to a maximum of 5 min. The procedure is safe because the hand is removed before adverse effects can occur. The participant will be given a break of 5 min in between trials, and will interchange hands between trials. During this break hand may to be place in warm water (25-35°C) for up to 4 min to normalise hand temperature, which will be measured before and after each trial using a digital thermometer held firmly in the palm of the hand. Each participant will complete no more than three trials (conditions) in a randomised order.
During the experiment, the vocalizations produced will be systematically recorded for each participant and an analysis of the acoustic structure of these vocalizations will be carried out.
Four sensors placed non-invasively on one finger.
of the participants will be able to calculate a dozen physiological parameters converts in real time into a pain index called NOL (for Nociception Level Index).
This technique is based on the observation of the dilatation of the pupil during the perception of a nociceptive stimulus in test persons.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain tolerance
Time Frame: at inclusion
|
Delay (in seconds) in removing the hand when testing the Cold Pressor.
|
at inclusion
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain intensity
Time Frame: at inclusion
|
Subjective assessment of maximum pain intensity by participants for a given trial. Measured by scale of 0 (no pain) at 100 (extreme pain). |
at inclusion
|
Onset of pain
Time Frame: at inclusion
|
Participant verbally indicates when he or she begins to feel the sensation of pain (time of onset measured in seconds)
|
at inclusion
|
correlation between NOL index and pupillary diameter
Time Frame: at inclusion
|
Measurement of the NOL index (index ranging from 0 to 100) and measurement of pupillary diameter (in mm) and its variations in response to nociceptive stimuli by video pupillometry.
|
at inclusion
|
Analysis of Acoustic Recordings
Time Frame: at inclusion
|
Using a dedicated script in software specialised in acoustic analysis (e.g.
PRAAT).
|
at inclusion
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Roland PEYRON, MD, CHU SAINT-ETIENNE
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 19CH216
- 2020-A00277-32 (Other Identifier: ANSM)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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