Geneva, July 20 -- International Clinical Trials Registry received information related to the study (ISRCTN66692567) titled 'A study of brain activity in visual snow syndrome and migraine' on July 13.

Study Type: Interventional

Study Design: Randomized controlled trial (Treatment)

Primary Sponsor: King's College London

Condition: Visual snow syndrome Nervous System Diseases

Intervention: The study design consists of a randomized, double-blind design with two treatment conditions (oral placebo or oral lamotrigine) and neuroimaging with magnetic resonance imaging/spectroscopy. The design involves a screening telephone visit, two in-person visits to the Advanced Neuroimaging Facility at St Thomas' Hospital and one telephone follow-u...