Safety and Efficacy Study of Gantenerumab in Participants With Early Alzheimer's Disease (AD)

An Open-Label Phase 3 Study to Examine the Long-Term Safety, Tolerability and Efficacy of APL-130277 for the Acute Treatment of "OFF" Episodes in Patients With Parkinson's Disease

Trial to Evaluate Safety and Tolerability of GP-2250 in Combination With Gemcitabine

Evaluating the Safety, Pharmacokinetics, and Pharmacodynamics of BIIB054 in Participants With Parkinson's Disease

A Study of LY3154207 in Participants With Parkinson's Disease Dementia

A Study of AP-CD/LD in Fluctuating Parkinson's Disease Patients Who Completed IN 11 004

A Study That Compares the Extent to Which Apomorphine Becomes Available in the Body After Taking Either an Investigational Drug Containing Apomorphine or Apomorphine That is Injected Under the Skin in People With PD Complicated by "OFF" Episodes

BTRX-246040 Study in Subjects With Parkinson's Disease With Motor Fluctuations

Study to Evaluate DNL201 in Subjects With Parkinson's Disease

A Study to Assess the Safety of GRF6021 Infusions in Subjects With Parkinson's Disease and Cognitive Impairment