Sorry, you need to enable JavaScript to visit this website.

Main Research and Development Centers

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.webp
La Jolla, California

With more than 500,000 square feet of state-of-the-art facilities, this is where our scientists discover and develop cutting-edge cancer therapies using advanced laboratories and equipment.

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

Clinical Trials

Learn more about the process of joining a clinical trial and find a trial near you.

Go to Pfizer Clinical Trials Site Details

Related Articles

Science & Innovation

How Innovative Diagnostics Are Supporting a Potential Approach to C. difficile

When scientists design a new vaccine candidate, they must also identify diagnostic tests that can be used to measure how effective that vaccine is.

BTS Pearl River colleagues thumbnail

Science & Innovation

Behind the Science: A New Path to Tackling Metastatic Breast Cancer

In recent decades, advances in breast cancer treatment have helped to improve health outcomes for many patients, but scientists remain vigilant in their quest to further reduce both the incidence and impact of the disease.

Jennifer, Pfizer thumbnail

Purpose & Ideals

Hiding in Plain Sight: The Racial Toll of Lyme Disease

Lyme disease is the most common vector-borne illness in the United States. New research indicates that people of color are more likely to develop more severe Lyme disease.

Friends walking in forest thumbnail