Early IVIg treatment has no effect on post-H1N1 narcolepsy phenotype or hypocretin deficiency

We previously suggested clinical effects of early IV immunoglobulin (IVIg) treatment in sporadic narcolepsy with cataplexy (NC).[1][1] Below we present the first post-H1N1 vaccination NC case treated with IVIg, treated 19 days after the clear and abrupt onset of the disease. This is a single