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Scientists dig into past cases to unlock secrets of Guillain-Barre syndrome

NCT ID NCT04829526

Knowledge-focused Sponsor: University Hospital, Basel, Switzerland Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 reviews the medical records of 100 adults who were treated for Guillain-Barre Syndrome (GBS) at a single hospital in Switzerland. The goal is to better understand how often GBS occurs, what symptoms and nerve problems people have, what treatments they receive, and how they recover. By looking at past cases, researchers hope to find patterns that could improve care for future patients.

What this could mean

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

What this could lead to
If successful, this research could help doctors better recognize and treat Guillain-Barre Syndrome, potentially improving patient outcomes.
What could go wrong
This is an observational study that only looks at past data, so it cannot prove cause and effect. Results may not apply to all patients with GBS.

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 100 people

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

Started

Mar 2021

Expected to finish

Jul 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

patients with the suspected and with the final proven diagnosis of GBS in the years 2005-2021

Ages

18 years and older

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: * suspected diagnosis of GBS, who have been treated at the University Hospital of Basel from 01.01.2005-28.02.2021 Exclusion Criteria: * Patients with documented refusal of the general consent.

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Conditions

The condition(s) this trial relates to.

Guillain-Barre syndrome

As listed by the trial registrant

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

Guillain-Barre syndrome (GBS)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Clinic for Intensive Care Medicine; University Hospital Basel

    RECRUITING

    Basel, 4031, Switzerland