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NCT03269682: 3D-III

Prevalence of Contrast Enhancement of the Oculomotor Nerve on 3D PD T1 MRI Sequence in Patients With Ophthalmoplegia

Completed Last updated 17 September 2021
What this trial tests

trial testing 3D PD T1 MRI sequence in Ophthalmoplegia in 134 participants. Completed in 16 April 2021.

Timeline
20 October 2017
Primary endpoint
16 April 2021
16 April 2021

Quick facts

Lead sponsorFondation Ophtalmologique Adolphe de Rothschild
StatusCompleted
Study typeOBSERVATIONAL
Enrollment134
Start date20 October 2017
Primary completion16 April 2021
Estimated completion16 April 2021
Sites1 location across France

Drugs / interventions tested

Conditions studied

Sponsor

Fondation Ophtalmologique Adolphe de Rothschild — full company profile →

Who can join

18 and older, any sex, with Ophthalmoplegia. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Oculomotor nerve (third cranial nerve or "III") palsy is a relatively frequent cause of consultation in ophthalmology. It may reveal a life-threatening pathology such as aneurysm rupture, pituitary apoplexy, and therefore need imaging in emergency. Apart from few extreme emergency situations, MRI of the oculomotor tract is the first-line examination required. In our usual clinical practice, we noticed in several patients unusual contrast enhancement within the oculomotor nerve on T1 sequence with gadolinium injection, observed in various locations along the nerve path (cavernous and/ or intra-orbital segment). This contrast enhancement, could confirm the nerve impairment This study aims to analyse the efficiency of a new sequence 3D PD T1 which isotropic spatial resolution less than 1mm, not yet described in the literature, to depict this enhancement. In patients with ophthalmoplegia involving probably the third cranial nerve, disclosing this MRI sign could help (i) to confirm the involvement of the oculomotor nerve and eliminate differential diagnoses such as myasthenia (ii) to orientate the etiological diagnosis (inflammatory or ischemic origin). This new sequence 3D PD T1 sequence focused on the III could thus be systematically included in the usual MRI protocol.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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