Randomized Study in Children and Adolescents With Migraine: Acute Treatment

BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies

A Study of How the Medicine Called "Etrasimod" Works in Children With the Gut Disease Called Ulcerative Colitis

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

Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents

A Study in Young People and Adults to Learn About the Medicine Ritlecitinib for Treatment of Patchy Hair Loss, Known by the Medical Term as Moderate Alopecia Areata

A Study to Learn About Ritlecitinib for the Potential Treatment of Chronic Spontaneous Urticaria in Adults.

A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants

A Study to Learn About the Study Medicine Called PF-07328948 in Adults With Heart Failure (BRANCH-HF)

A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate to Severe Chronic Obstructive Pulmonary Disease