Leading Pharmaceutical and Biopharmaceutical Company | Pfizer

Our Purpose

New R&D Facility Opens in Chesterfield, Missouri

Read about our new facility and innovative research in the St. Louis area.

Learn more
Our Science

Bringing Gene Therapy to the Clinic

Engaging patients early on has been a critical aspect of developing a successful gene therapy strategy.

Learn More
Our Purpose

A Patient Helped by RxPathways

Now enrolled in Pfizer RxPathways, she’s sharing her story to help others find assistance.

Meet Marjorie
Our Purpose

Helping to Protect Babies in Underserved Communities in the US

Our commitment to ensuring access to health resources, including vaccination, spans from humanitarian aid initiatives in developing nations to innovative commercial efforts in underserved communities.

Read More

Find a Trial

Search for Clinical Trials by condition, keyword or trial number. Share your location or enter your city or zip code to find studies near you.
Advanced Search
Your Health

How Excess Sugar Affects Your Health

According to the 2015-2020 Dietary Recommendations for Americans, fewer than 10 percent of daily calories should come from added sugars.

Learn More
Our Science

Our DNA Dimmer Switches: How Cuddling, Smoking and More Can Affect Gene Expression

Recent research shows that this age-old debate is far too simplistic. Nearly every cell in the body contains complete identical copies of our DNA—the body’s instruction booklet for some 20,000 genes.

Learn More
Latest news
Pfizer to Acquire Array BioPharma

NEW YORK & BOULDER, Colo.--(BUSINESS WIRE)-- Pfizer Inc. (NYSE: PFE) and Array BioPharma Inc. (NASDAQ: ARRY) today announced that they have entered into a definitive merger agreement under which...

Read more