13 studies were found.

1.		Not yet recruiting	Safety of and Immune Response to a West Nile Virus Vaccine (WN/DEN4-3'delta30) in Healthy Adults Condition: West Nile Fever Encephalitis
2.		Recruiting	An Exploratory Study of AVI-4020 in Patients with Possible Acute Neuroinvasive West Nile Virus (WNV) Disease Condition: West Nile Fever
3.		Recruiting	Intrathecal Gemcitabine to Treat Neoplastic Meningitis Conditions: Meningitis; Neoplasms
4.		Recruiting	Natural History of West Nile Virus Infection Conditions: West Nile Virus; Encephalitis; Myelitis
5.		Recruiting	IVIG - West Nile encephalitis: Safety and Efficacy Condition: West Nile Fever
6.		Recruiting	Modafinil to Treat Fatigue in Post-Polio Syndrome Condition: Postpoliomyelitis Syndrome
7.		Recruiting	Brain Imaging and Retreatment Study of Persistent Lyme Disease Conditions: Lyme Disease; Lyme Neuroborreliosis
8.		Not yet recruiting	Induction Therapy with a Single High Dose Bolus of Intravenous Methotrexate with Leucovorin Rescue, Prior to Initiation of AVONEX® Treatment, in Patients Presenting with a First Acute Demyelinating Event. Conditions: Demyelinating Disorders; Multiple Sclerosis; Optic Neuritis; Myelitis; Neuritis
9.		Recruiting	Valacyclovir for longterm therapy of Herpes simplex encephalitis Condition: Encephalitis, Herpes Simplex
10.		Recruiting	Electromyography to Diagnose Neuromuscular Disorders Conditions: Healthy; Neuromuscular Disease; Postpoliomyelitis Syndrome
11.		Recruiting	Evaluation of Patients with HAM/TSP Conditions: HTLV-I Infection; Tropical Spastic Paraparesis
12.		Recruiting	Structure of the Herpes Simplex Virus Receptor Conditions: Encephalitis; Herpes Simplex; Keratitis; Mouth Disease; Skin Disease
13.		Recruiting	Assessment of Patients with Multiple Sclerosis (MS) Conditions: Herpesviridae Infection; HTLV-I Infection; Multiple Sclerosis; Tropical Spastic Paraparesis; Vasculitis