
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
people employed in research and development
invested in R&D in 2022
We address the world’s most difficult health challenges, following leading-edge science

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

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

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.

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.

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.