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Each of our R&D centers specializes in a different area of scientific exploration. We have several major campuses located throughout the U.S. and U.K.

Andover, Massachusetts Research Site front entrance
Andover, Massachusetts
A 70-acre site that combines state-of-the-art R&D facilities with flexible, multi-product manufacturing capabilities
Cambridge, Massachusetts Research Site building
Cambridge, Massachusetts
Global headquarters for our Center for Therapeutic Innovation (CTI), which has established locations in New York City, San Diego, and San Francisco
Groton, Connecticut Research Site front Pfizer signage
Groton, Connecticut
Where nearly every one of our products are, in part, developed
La Jolla, California Research Site front entrance
La Jolla, California
Powerfully reinforcing the company's presence in the global biotechnology industry
Pearl River, New York Research Site campus aerial view
Pearl River, New York
The primary location for our company’s global Vaccine Research and Development work
Sandwich, UK Research Site building front
Sandwich, UK
Home of the Pharmaceutical Sciences and Global Regulatory Affairs groups
St. Louis, MO Research Site front entrance
St. Louis, MO
A 300,000 sq. ft. facility producing innovative emergency care products that serve unique needs during severe medical crises
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Learn more about the process of joining a clinical trial and find a trial near you.

Go to Pfizer Clinical Trials Site Details
Science & Innovation

Harnessing the Power of AI to Detect ATTR-CM

Artificial intelligence (AI) has quietly become a part of our daily lives – through personalized recommendations, virtual assistants, or smart devices, we barely notice it anymore.
A young African - American doctor works on HUD or graphic display in front of her, we see her from the waist up in a modern laboratory thumbnail
Science & Innovation

In Search of a New Hemophilia Treatment

Despite significant advancements in hemophilia treatments over the past several decades, balancing management of the disorder while maintaining regular day-to-day activities remains a challenge.
Still from hemophilia video 2 thumbnail
Science & Innovation

Viral vs Bacterial Infections: Different Pathogens, Different Approaches

Learn about the key differences between viral and bacterial infections and the innovative prevention and treatment options being worked on for each type.
Woman sneezing into tissue thumbnail