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New study reveals three types of PNES seizures

NCT ID NCT07526467

Knowledge-focused Sponsor: Tepecik Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This completed study looked at video-EEG recordings from 50 adults with psychogenic nonepileptic seizures (PNES). Researchers aimed to identify distinct patterns in how these seizures look and behave. They classified events into three clusters based on features like movement and eye closure. The goal is to improve diagnosis and understanding of PNES.

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 could help doctors better recognize and classify PNES, leading to more accurate diagnoses and tailored treatment approaches.
What could go wrong
This is a small, retrospective observational study, so findings may not apply to all patients. It does not test any treatment, so direct patient benefits are not guaranteed.

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

50 people

The number who actually took part.

Started

Sep 2025

Finished

Apr 2026

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

This study population consists of adult patients diagnosed with psychogenic nonepileptic seizures (PNES) who underwent long-term video-EEG monitoring in a tertiary epilepsy center. All included patients had at least one recorded PNES event and sufficient clinical data available for retrospective analysis. Patients were identified through medical records and video-EEG databases, and no interventions were performed as part of the study.

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: Adults aged 18 years and older Diagnosis of psychogenic nonepileptic seizures (PNES) confirmed by video-EEG monitoring Availability of complete video-EEG recordings capturing at least one typical event Availability of sufficient clinical and demographic data in medical records for retrospective evaluation Exclusion Criteria: Patients younger than 18 years Incomplete or poor-quality video-EEG recordings Absence of recorded typical PNES events during video-EEG monitoring Insufficient clinical documentation for retrospective analysis

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Conditions

The condition(s) this trial relates to.

conversion disorder

As listed by the trial registrant

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

PNES

Contacts and locations

Locations

  • Tepecik EAH

    Izmir, Turkey (Türkiye)