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What’s a clinical trial?
Discover the process that brings new medicines and vaccines to the world.
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Representation matters
Participation in clinical trials by people of all backgrounds helps all people.
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In the community
Looking for clinical trial education or a health fair? Find in-person or virtual events near you.
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Hear from trial volunteers
Over 80,000 people are participating in our clinical trials. Listen to their stories.
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We are committed to equity and access

Join Dr. Pao and Dr. Dawson as they discuss our commitment to diversity in clinical trials and how we are working to advance medicine for everyone

Considering a research study for you or a loved one?

Learn more about studies and use our find a trial search tool.

Recruiting
Advancing breast cancer research

We're researching potential options for advanced and metastatic breast cancer. Explore our clinical trials today

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Recruiting
Introducing a research study for a potential mRNA shingles vaccine

The mRNA Shingles Vaccine Study will help us learn if an investigational vaccine is safe and can help the body produce antibodies which may help prevent shingles (also known as herpes zoster).

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Recruiting
Discover PfizerEstudiosClinicos.com

Find information and search for clinical trials in Spanish.

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      Join PfizerLink — a clinical research registry

      Get notified about Pfizer clinical trials that may be right for you — now and over time.

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