Changing tomorrow
Where science meets what matters most.
We pursue breakthrough science with a clear purpose: to create meaningful new possibilities for patients and the people who care for them.
01 · Science with purpose
From possibility
to meaningful progress.
We focus our expertise where scientific discovery can make a profound difference in people’s lives.
Research
Transformative science
Exploring new modalities and mechanisms where unmet need remains high.
Primary focusesCollaboration
Progress through partnership
Connecting diverse expertise to move promising ideas forward.
Partner with us02 · Medicines and disease areas
Expertise where
need is greatest.
Our on-market portfolio includes transformative therapies across five established areas of medicine.
01 / 05
Therapeutic area
Oncology
Advancing innovative treatment approaches for some of the most challenging cancers.
Explore oncology4Primary R&D focuses
15Global R&D sites
2,500+R&D employees
≈130Active R&D partnerships
03 · Patient centricity
The patient
perspective changes
the question.
Meaningful innovation begins with understanding real experiences. Patient insight helps shape how we research, develop and deliver solutions.
How we work with patients04 · Our stories
Science is human.
05 · About Astellas
One purpose.
A world of possibility.
Our work connects discovery, development and the patient experience with one shared ambition: changing tomorrow.
countries and areas with Astellas operations
people working around the world
global revenue in FY2025
of FY2025 revenue invested in R&D
06 · Careers
Bring your
boldest idea.
Join people from around the world united by a dedication to brave ideas, ambitious outcomes and patient impact.
Explore careersConnect with Astellas