Investigation of Patients Presenting With Acute Functional Neurological Symptoms

Functional Neurological Disorders in Acute Hospital Care

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT07538414

Acronym

FONDA

Enrollment

1000

Registered

2026-04-20

Start date

2026-03-30

Completion date

2050-12-01

Last updated

2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Functional Neurological Disorder

Brief summary

Retrospective Single-center Analysis of Patients Presenting With Acute Neurological Symptoms, Aiming to Characterize the Frequency, Clinical Features, Diagnostic Pathways, and Healthcare Utilization of Patients with Functional Neurological Diseases

Interventions

OTHERcollection of patient data

collection of patient data

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

16 Years to No maximum

Healthy volunteers

Inclusion criteria

* Patients older than 16 years old presenting as an emergency case to the University Hospital Basel between 1 January 2012 and 31 March 2026 * with acute neurological symptoms requiring immediate neurological work-up (e.g, acute motor or sensory disturbance, acute speech disorder, acute vestibular disorder, acute cognitive disorder, acute consciousness disorder, acute seizure disorder) * and a documented diagnostic evaluation during hospitalization.

Exclusion criteria

* Documented refusal for further use of health related data for research purposes * Insufficient documentation to determine diagnosis or clinical course * Incomplete or inconsistent datasets compromising valid endpoint determination * Younger than 16 years

Design outcomes

Primary

Measure	Time frame	Description
Frequency of FND	At hospital discharge (index admission), up to 30 days from presentation	The primary endpoint is the proportion of patients presenting with acute neurological symptoms who receive a diagnosis or likely differential diagnosis of Functional Neurological Disorder (FND) during their index hospital admission.

Secondary

Measure	Time frame	Description
Secondary Outcomes	At hospital discharge (index admission), up to 30 days from presentation	Diagnostic Process Measures (%): Referral patterns and evaluation of alternative or concurrent neurological diagnoses.

Countries

Switzerland

Contacts

CONTACTUrs Fisch, MD PhD

urs.fisch@usb.ch+41 61 265 2525

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 21, 2026