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More info
You can access this
clinical trial
if you have
Superior Oblique Muscle Palsy
and you are
over 18
years old
-
This is an observational trial.
You are contributing to medical knowledge about your condition.
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The purpose

The paralysis of the fourth cranial nerve (paralysis IV), commonly known as the superior oblique muscle (SO) paralysis, represents half of vertical strabismus. The diagnosis of SO paralysis and of its congenital or acquired etiology, are based on a range of clinical findings. The three main clinical diagnostic elements are the hypertropia in paralyzed side which increases in adducted position, the positivity of Bielschowsky head tilt test and the twisting of the eye fundus. These criteria are always considered together and are interdependent. The diagnostic value and the sensitivity of each of these signs is not defined. Brain and orbital Magnetic Resonance Imaging (MRI) allowed a better understanding of the physiopathology of a number of oculomotor disorders. For this reason, MRI constitute a reference for the SO palsy. The atrophy of the SO muscle is qualitatively determined by the asymmetry of muscle volume on two contiguous coronal MRI. The diagnostic value of various clinical signs observed in SO paralysis (sensitivity, specificity) remains unknown.
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Locations near you

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Tris trial is registered with FDA with number: NCT02894411. The sponsor of the trial is Fondation Ophtalmologique Adolphe de Rothschild and it is looking for 150 volunteers for the current phase.
Official trial title: