Vision Testing in Patients With Partial Seizures Receiving Either Lyrica or Placebo

Study to Evaluate the Efficacy and Safety of Perampanel as Monotherapy or First Adjunctive Therapy in Subjects With Partial Onset Seizures With or Without Secondarily Generalized Seizures or With Primary Generalized Tonic-Clonic Seizures

Expanded Access Program for Ocrelizumab in Participants With Primary Progressive Multiple Sclerosis

Study to Evaluate the Effectiveness and Safety of Ocrelizumab in Participants With Early Stage Relapsing Remitting Multiple Sclerosis (RRMS)

To Evaluate the Safety and Tolerability of Atogepant 10mg, 30 mg and 60 mg Once a Day for the Prevention of Migraine in Participants With Episodic Migraine