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Spinal Add-On may ease phantom pain after amputation

NCT ID NCT07565662

Symptom relief Sponsor: Universidad Juárez Autónoma de Tabasco 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether adding dexmedetomidine to standard spinal anesthesia could lower the chance of acute neuropathic pain after a leg amputation. Thirty adults having elective lower limb amputation were split into two groups: one got the standard anesthetic plus a placebo, the other got the standard anesthetic plus dexmedetomidine. The main focus was on pain relief and nerve block duration, with a secondary look at neuropathic pain using a screening tool at 48 hours.

What this could mean

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

Active substance
dexmedetomidine
What this could lead to
If it works, this could offer a simple way to reduce phantom limb pain after amputation.
What could go wrong
This is a small, early-stage trial with only 30 participants, so results may not apply to everyone. The pain reduction may be modest or not significant.

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

30 people

The number who actually took part.

Started

Apr 2025

Finished

Oct 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Patients scheduled for elective supra- or infracondylar lower limb amputation * Age 18 to 65 years * ASA physical status I-III * Acceptance of neuraxial anesthetic technique Exclusion Criteria: * Patient refusal of anesthetic procedure * Prolonged coagulation times * Anatomical abnormalities of the spine * ASA IV classification * Atrioventricular block grade 2 or 3 without pacemaker * Neurological deterioration (Glasgow score less than 8) * Hemodynamic instability

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Conditions

The condition(s) this trial relates to.

neuralgia Phantom Limb

As listed by the trial registrant

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

Lower limb amputation Neuropathic pain Phantom limb pain

Contacts and locations

Locations

  • Hospital Regional de Alta Especialidad Dr. Juan Graham Casasus

    Villahermosa, Tabasco, 86126, Mexico

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