Amgen is committed to developing new therapies to treat serious illnesses—a long and careful process. One of the most important steps in this process is the clinical trial where people volunteer to receive an experimental therapy and be observed for its effects.

Horizon Clinical Trials

Amgen completed its acquisition of Horizon Therapeutics plc on October 6, 2023.

For more information about clinical trials involving Horizon medicines, click here.

For questions about Horizon clinical trials call 1-866-479-6742 or email