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Research

We run to, not from, the world’s biggest health challenges.

The journey to discovery is guided by science – and inspired by patients

We use the power of leading-edge science to save and improve lives around the world. The path to discovery is often unclear, but we are tireless in seeking solutions for some of the world’s most difficult health challenges.

Our work in numbers

~19.2K

people employed in research and development

$13.5B

invested in R&D in 2022

We address the world’s most difficult health challenges, following leading-edge science

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Discovery & development

Step inside Merck Research Laboratories (MRL) where our quest to save and improve lives through research and development begins

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We’re focused on inventing new medicines and vaccines to help more people

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Products

Our focus on breakthrough science is working

Clinical trials

Our progress is due in large part to the important and tough scientific questions we set out to answer with our trials and collaborations. We are grateful to the thousands of volunteers who participate in our clinical trials — making this all possible.

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Our commitment to patients is unwavering

As long as there are still patients in hospitals, doctors and nurses desperate to add years to the lives of their patients, and a world where treatments aren’t accessible to all, we will be here, fighting with all we have to deliver more, sooner.

Discovery starts here

Our scientists are applying the latest groundbreaking research technologies and revolutionizing how we discover and develop medicines and vaccines

View our stories

Our Q4 and full-year 2023 earnings report

Merck’s (NYSE: MRK) Q4 and full-year 2023 results reflect sustained growth across oncology and vaccines. Our company announced Q4 worldwide sales of $14.6 billion, an increase of 6% from Q4 2022. Full-year 2023 worldwide sales were $60.1 billion, an increase of 1% from full-year 2022. ​ “2023 was another very strong year for Merck. I am extremely pleased […]

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Next: Our Q4 and full-year 2023 earnings report

The Wall Street Journal names Merck among top 10 best-managed companies 

We’re proud to be recognized for our strong performance and unwavering commitment to patients

Read more

Next: The Wall Street Journal names Merck among top 10 best-managed companies 

Humans, animals and the environment – our health is all connected

Why the One Health approach is important now more than ever

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Next: Humans, animals and the environment – our health is all connected

Harnessing innovative technology in drug discovery

Merck scientists explain how new technologies can accelerate the drug discovery process as we use the power of leading-edge science to save and improve lives

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Next: Harnessing innovative technology in drug discovery

Breaking new ground in the UK

We’re accelerating our global efforts and capabilities with our new London Discovery Research Centre and U.K. headquarters

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Next: Breaking new ground in the UK

Our Q4 and full-year 2023 earnings report

Merck’s (NYSE: MRK) Q4 and full-year 2023 results reflect sustained growth across oncology and vaccines. Our company announced Q4 worldwide sales of $14.6 billion, an increase of 6% from Q4 2022. Full-year 2023 worldwide sales were $60.1 billion, an increase of 1% from full-year 2022. ​ “2023 was another very strong year for Merck. I am extremely pleased […]

Read more

Next: Our Q4 and full-year 2023 earnings report

The Wall Street Journal names Merck among top 10 best-managed companies 

We’re proud to be recognized for our strong performance and unwavering commitment to patients

Read more

Next: The Wall Street Journal names Merck among top 10 best-managed companies 

Humans, animals and the environment – our health is all connected

Why the One Health approach is important now more than ever

Read more

Next: Humans, animals and the environment – our health is all connected

Harnessing innovative technology in drug discovery

Merck scientists explain how new technologies can accelerate the drug discovery process as we use the power of leading-edge science to save and improve lives

Read more

Next: Harnessing innovative technology in drug discovery

Breaking new ground in the UK

We’re accelerating our global efforts and capabilities with our new London Discovery Research Centre and U.K. headquarters

Read more

Next: Breaking new ground in the UK

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Protecting animal health

Our Animal Health business is dedicated to preserving and improving the health, well-being and performance of animals and the people who care for them.