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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
Located in Kendall Square, our Cambridge site interlaces Pfizer’s R&D capability with the densest biomedical community in the world
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
Purpose & Ideals

The Mindfulness of Medicine Development: How Scientists Are Driving the Next Wave of Medical Innovations

For millions of patients around the world, the development of a new treatment or vaccine can be life-changing.
Mindfulness of Medicine Development collage thumbnail
Programs & Initiatives

Bridging Global Gaps in Hemophilia Care

Pfizer is proud of its commitment to advancing hemophilia care for more than 40 years, dating back to the introduction of recombinant therapies.
Nurse tending to patient thumbnail image
Science & Innovation

The Next Era of Decentralized Clinical Trials: The Clinical Trial Anywhere Model

About Pfizer's initiative to make clinical trials more participant-friendly through the decentralized "Clinical Trial Anywhere" model; a suite of solutions like remote sample collection, alternative study conduct locations, home health, and mobile units to reduce the need for in-person visits.
Doctor showing medical data to patient on tablet thumbnail