A Study of the Safety and Effectiveness of Benralizumab to Treat Patients With Severe Uncontrolled Asthma.

Dimethyl Fumarate (DMF) Observational Study

Computerized Cognition Testing in Participants With Mild Alzheimer's Disease (AD) Treated With Donepezil (MK-0000-318)

A Study to Assess the Efficacy and Safety of AXS-05 in Subjects With Treatment Resistant Major Depressive Disorder

Efficacy and Safety of PT001 to Placebo and Open-label Spiriva® Respimat® in Subjects With Persistant Asthma

Efficacy and Safety of PT001 to Placebo and Open-label Spiriva® Respimat® in Subjects With Persistant Asthma

An Efficacy and Safety Trial of Verubecestat (MK-8931) in Mild to Moderate Alzheimer's Disease (P07738)

Efficacy and Safety Study of Squalamine Ophthalmic Solution in Subjects With Neovascular AMD

Efficacy and Safety of MK-7622 as Adjunct Therapy in Participants With Alzheimer's Disease (MK-7622-012)

Efficacy and Safety Trial of Verubecestat (MK-8931) in Participants With Prodromal Alzheimer's Disease (MK-8931-019)

Study to Evaluate Tezepelumab in Adults & Adolescents With Severe Uncontrolled Asthma

Observational Study of Characteristics, Treatment and Outcomes With Severe Asthma in the United States (CHRONICLE)