NCT05353413

Brief Summary

The aim of the project is to create a new, non-invasive and safe protocol for the early diagnosis of various types of optic neuropathies with the use of diffusion magnetic resonance imaging

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jan 2020

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2020

Completed
2.2 years until next milestone

First Submitted

Initial submission to the registry

March 16, 2022

Completed
1 month until next milestone

First Posted

Study publicly available on registry

April 29, 2022

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2024

Completed
Last Updated

April 29, 2022

Status Verified

March 1, 2022

Enrollment Period

4 years

First QC Date

March 16, 2022

Last Update Submit

April 28, 2022

Conditions

Keywords

optic neuropathiesvisual evoked potential

Outcome Measures

Primary Outcomes (1)

  • sigma parameter

    sigma parameter in our algorithm provides a quantitative measure of nerve atrophy

    one month

Study Arms (2)

Various types of optic neuropathies

EXPERIMENTAL

Patients with various types of optic neuropathy.

Device: NeuroimagingDiagnostic Test: VEP - visual evoked potentialDiagnostic Test: Ophthalmology examination.

Healthy volunteers

OTHER

Healthy volunteers

Device: NeuroimagingDiagnostic Test: VEP - visual evoked potentialDiagnostic Test: Ophthalmology examination.

Interventions

Magnetic resonance diffusion tensor imaging of the brain

Healthy volunteersVarious types of optic neuropathies

Electrophysiology of the visual pathway.

Healthy volunteersVarious types of optic neuropathies

Full ophthalmological examination (visual acuity, color vision, measurement of intraocular pressure, evaluation of the anterior chamber and the fundus of the eye using a slit lamp and the Volk lens, optical coherence tomography examination of the macula and optic nerve disc (OCT), neurological field vision)

Healthy volunteersVarious types of optic neuropathies

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Optic neuropathy.

You may not qualify if:

  • common contraindications to MRI (presence of pacemaker, non-MRI-safety or claustrophobia)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Lisowski

Wasilków, 16010, Poland

RECRUITING

MeSH Terms

Conditions

Optic Neuropathy, IschemicOptic NeuritisOptic Nerve InjuriesToxic Optic NeuropathyOptic Nerve Diseases

Interventions

Neuroimaging

Condition Hierarchy (Ancestors)

Cranial Nerve DiseasesNervous System DiseasesEye DiseasesVascular DiseasesCardiovascular DiseasesCranial Nerve InjuriesCraniocerebral TraumaTrauma, Nervous SystemWounds and InjuriesPathologic ProcessesPathological Conditions, Signs and SymptomsDrug-Related Side Effects and Adverse ReactionsChemically-Induced DisordersRadiation Injuries

Intervention Hierarchy (Ancestors)

Diagnostic ImagingDiagnostic Techniques and ProceduresDiagnosisDiagnostic Techniques, NeurologicalInvestigative Techniques

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
DIAGNOSTIC
Intervention Model
CROSSOVER
Model Details: Two groups: volunteers with neuropathies and healthy volunteers
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 16, 2022

First Posted

April 29, 2022

Study Start

January 1, 2020

Primary Completion

January 1, 2024

Study Completion

January 1, 2024

Last Updated

April 29, 2022

Record last verified: 2022-03

Data Sharing

IPD Sharing
Will not share

Locations