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Can a robot measure pain without injury? a new study puts it to the test

NCT ID NCT07774429

Knowledge-focused Sponsor: National Council of Scientific and Technical Research, Argentina Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 19, 2026 · Last updated Aug 25, 2026 · Updated 3 times

Summary

This study asks whether a robotic system can reliably measure pain thresholds using a non-injurious blade that mimics sharp pain without causing tissue damage. Healthy adults aged 18 to 60 will undergo two identical testing sessions, where the robot applies controlled pressure to the forearm to determine pain and tolerance levels. The goal is to see if the robot's measurements are consistent across sessions, which could lead to safer and more accurate pain assessment in future research and clinical care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Robot-controlled non-injurious mechanical stimulation using a blade head
What this could lead to
If reliable, this robotic system could provide a standardized, safe way to measure pain in research and clinical settings, improving pain assessment without tissue damage.
What could go wrong
This is a small reliability study in healthy volunteers, not a treatment trial. Results may not generalize to patient populations, and the robotic system's precision needs validation.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

33 people

The number who actually took part.

Started

Jun 2026

Finished

Aug 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age between 18 and 60 years. * No history of chronic pain, neuromuscular disorders, or any disease that affects the nociceptive system and prevents its evaluation under normal conditions. * Willingness and ability to fully understand the content and scope of the experiment and to comply with its instructions. * Having signed the informed consent. Exclusion Criteria: * Pregnancy. * History of chronic pain, neuromuscular disorders, or any disease that affects the nociceptive system and prevents its evaluation under normal conditions. * History of addictive behavior, defined as abuse of alcohol, cannabis, opioids, or other drugs. * History of mental illnesses. * Presence of fever, tuberculosis, malignant tumors, infectious processes, or acute inflammatory processes. * Use of analgesics within 24 hours prior to participation in the experiment. * Skin lesions, scars, or dermatological conditions in the area of stimulus application. * Lack of cooperation.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy adult participants Pain thresholds

Contacts and locations

Locations

  • Facultad de Ingeniería, UNER

    Oro Verde, Entre Ríos Province, 3100, Argentina

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