touchNEUROLOGY met with Michael Marmura (Thomas Jefferson University, Jefferson Headache Center, Philadelphia, PA, USA) to discuss his study investigating intranasal ketamine for the treatment of refractory headache. The abstract ‘Intranasal Ketamine for Refractory Headache’ was presented at the American Headache Society (AHS) Virtual Annual Scientific Meeting 2021, 3-6 June 2021. Questions: What is the rationale […]