Our Science Impacts Lives

Science and innovation are the lifeblood of our company. But we’re doing more than developing medicines that perform well in the lab—we’re elevating the current standard of care to bring greater benefits to our patients.

482 million patients living with conditions that our pipeline aims to treat, from cancer and Alzheimer’s disease to chronic immune-mediated conditions


Therapeutic Focus Areas

Researching Areas of Unmet Medical Need

We’re constantly finding new ways to address patients’ most serious health issues. We concentrate our efforts on a core set of therapeutic areas—ones where we’ve proven our expertise, and where we feel we can have an even greater impact on disease and how it is managed.


Where We Operate

Eight State-of-the-Art R&D Centers:

Lake County, Illinois, US
Redwood City, California, US
Sunnyvale, California, US (Pharmacyclics)
South San Francisco, California, US
Cambridge, Massachusetts, US
Worcester, Massachusetts, US
Ludwigshafen, Germany
Tokyo, Japan


More about Oncology Research

For US health care professionals interested in learning more about our oncology research, visit our oncology scientific site.


Drug Development Process

From discovery to clinical trials to regulatory approval, learn more about the journey to bring a new therapy to patients.


Technologies and Platforms

Bringing Better Solutions to Patients

By investing in groundbreaking technologies and platforms, our goal is to drive innovation within our pipeline and deliver better solutions to patients.



Devoted to New Discoveries

Our scientists are advancing a pipeline of specialty medicines with a focus on cancer, immune-mediated conditions, neurodegenerative diseases and more.

20 products with potential for new drug or indication approvals by the end of 2020

15 programs in Phase III under way

6,500+ scientists working globally to make a difference


Clinical Trials

Advancing Medical Knowledge

We have investigational compounds in development within each of our therapeutic areas. A critical component of medicinal product development is clinical research, which involves conducting clinical trials to evaluate the safety and efficacy of potential new therapies.

Discovering and developing therapies that have the potential to transform the standard of care for people battling serious and often life-threatening illnesses is our core mission.

Michael Severino, M.D, Executive Vice President, R&D and Chief Scientific Officer

Our Products

A Portfolio of Medicines

We aim to develop innovative therapies for health conditions where there is significant need. Our medicines are approved in individual countries for different uses around the globe.


Clinical Trials and Me

Make New Medicines Possible

Whether you or a relative are interested in participating in a trial, our Clinical Trials and Me website can help address your questions. It offers information about clinical trials and lists our current clinical trials. You’ll also learn how to prepare for one and what to expect during and after a clinical trial.