Randomized Study in Children and Adolescents With Migraine: Acute Treatment

A Study to Learn About the Study Medicine Called PF-07799933 in People With Advanced Solid Tumors With BRAF Alterations.

A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata

EPIC-Peds: A Study to Learn About the Study Medicine Called PF-07321332 (Nirmatrelvir)/Ritonavir in Patients Under 18 Years of Age With COVID-19 That Are Not Hospitalized But Are at Risk for Severe Disease

A Study to Learn About How a New Pneumococcal Vaccine Works in Infants

A Study to Learn How Patients With Triple Class Refractory Multiple Myeloma (TCR-MM) Are Treated in Italian Centers for Blood Related Diseases

MagnetisMM-4: Umbrella Study of Elranatamab (PF-06863135) in Combination With Anti-Cancer Treatments in Multiple Myeloma

A Study to Learn About the Study Medicine Elranatamab Alone and With Daratumumab in People With Multiple Myeloma Who Have Received Other Treatments

A Study of Disitamab Vedotin Alone or With Pembrolizumab in Urothelial Cancer That Expresses HER2

A Study to Learn About the Effects of the Combination of Elranatamab (PF-06863135), Daratumumab, Lenalidomide or Elranatamab and Lenalidomide Compared With Daratumumab, Lenalidomide, and Dexamethasone in Patients With Newly Diagnosed Multiple Myeloma Who Are Not Candidates for Transplant