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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 50,000 people are participating in our clinical trials. Listen to their stories.

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Considering a research study for you or a loved one?

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

Recruiting
New eczema clinical trial enrolling

Have eczema or atopic dermatitis? Join our new clinical trial for adults.

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Recruiting
The MEVPRO-1 prostate cancer clinical trial

A clinical trial for men with metastatic prostate cancer which isn’t responding to hormone therapy.

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Recruiting
The MEVPRO-2 prostate cancer clinical trial

A clinical trial for men with metastatic prostate cancer who haven’t received treatment (such as chemotherapy or a different hormone therapy) since their cancer was diagnosed as castrate-resistant

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Hispanic couple looking outside | Pfizer clinical trials

Ulcerative Colitis clinical trials

Pfizer has clinical trials for people with ulcerative colitis.

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Hispanic woman looking hopeful | Pfizer clinical trials

Breast Cancer clinical trials

Pfizer has several study medicines in development for people with advanced or metastatic breast cancer.

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