A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

Symbiotic-Lung-10: A Study to Learn About PF-08634404 Alone or in Combination in Early-stage or Locally Advanced NSCLC

Efficacy and Safety Study of Rimegepant for the Preventative Treatment of Migraine in Pediatric Subjects

Symbiotic-Lung-14: A Study to Learn About the Study Medicine Called PF08634404 in Combination With Chemotherapy in Adult Participants With Transformed Small Cell Lung Cancer

Randomized Study in Children and Adolescents With Migraine: Acute Treatment

A Study to Learn How PF-06821497 (Mevrometostat) Works in Men With Metastatic Castration-resistant Prostate Cancer.

Symbiotic-GI-16: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Gastroesophageal Cancer

This Study Will Explore Whether a Combination of the Investigational Drug Mevrometostat (PF-06821497) and Enzalutamide Will Work Better Than Taking Enzalutamide Alone in Participants With mCSPC Who Are ARPI naïve.

A Study to Learn About Study Medicine Called PF-08049820 in People With Eczema

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