Research Sites

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

Combining state-of-the-art R&D and Pfizer Global Supply (PGS) facilities with flexible, multi-product manufacturing capabilities, Andover is a key driver of innovation across our biologics discovery, development, and global clinical and commercial supply efforts.

Bothell, WA

Utilizing advanced laboratories and equipment, researchers in Bothell are dedicated to revolutionizing cancer treatment.

Cambridge research site building with orange facades, central courtyard, and glass skybridge

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

Many of the discoveries and innovations that drive the Pfizer pipeline to new potential occur in the world-class research and development laboratories in Groton.

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San Diego, CA

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

As the global hub for Pfizer Vaccine Research and Development, our Pearl River colleagues have developed and manufactured vaccines and other medicines for more than a century.

St. Louis, MO

An expansive laboratory and manufacturing space, our colleagues focus on the development of potential new medicines to help prevent or treat diseases and conditions.

Pipeline Snapshot as of August 4, 2026

Explore the Product Pipeline Download Complete Pipeline PDF

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Clinical Trials

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

Go to Pfizer Clinical Trials Site

How Pfizer Is Rethinking What’s Possible in Cancer Care

For people living with cancer and those who love them, every moment matters. Cancer remains one of the greatest healthcare challenges of our lifetime, and Pfizer is working with urgency to transform scientific advances into potential life-changing medicines.

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Pfizer Learns to Speak AI with Fluency Program

Technology moves fast, and there’s no better example than the rapid growth of artificial intelligence (AI).

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Rewriting the Obesity Narrative

Over millions of years, humans got remarkably good at storing excess energy as fat. To survive perilous stretches of scarcity and famine, our brains evolved to view calorie-dense foods as highly rewarding, and our biology encourages us to eat as much as possible when we encounter them.

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Our Research and Development Centers