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Real-World study aims to uncover best pain relief for CRPS patients

NCT ID NCT07228949

Knowledge-focused Sponsor: Ciusss de L'Est de l'Île de Montréal 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks back at medical records of 200 adults with Complex Regional Pain Syndrome (CRPS) to see which pain treatments doctors actually use first and how well they work. Researchers want to find patterns that could help choose the best treatment for each person. No new treatments are tested; the goal is to learn from past experiences to improve future care.

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.

Participants

About 200 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2025

Expected to finish

Jun 2026

An estimate. End dates often move.

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.

Who is studied

Adult patients treated at HMR's Pain management centre for CRPS between January 1st 2020 and October 2025.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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 with a diagnosis of complexe regional pain syndrome * Patients who received at least one of the following intervention: peripheral nerve block (infraclavicular, intrerscalene, axillary, popliteal sciatic), sympathetic block (stellate, lumbar), intravenous ketamine infusion, or intravenous pamidronate infusion) Exclusion Criteria: * First consultation is not digitalized * Information on signs and symptoms at the first consultation is missing

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome complex regional pain syndrome

As listed by the trial registrant

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

Chronic pain Complex regional pain syndrome

Contacts and locations

Locations

  • Hopital Maisonneuve Rosemont

    Montreal, Canada

  • Maisonneuve-Rosemont Hospital

    Montreal, Quebec, H1T2M4, Canada

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